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User Guide Version 6.2 - RWTH Aachen University

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1. 3 Delta Gamma conc2 Time 27 5 16 22 0 245x0 001x1 2 Delta Gamma conc1 Time 0 1 22 0 245x0 001x1 5 mir CH 0 0002 Figure 30 Active for editing is dataset 3 as its label is being colored in black part of Group 1 as ists label is colored in blue MICRESS User Guide Volume Il Running MICRESS 34 76 In Figure 4 31 a vertical arranged presentation of two groups is presented Taking the red arrow into account here you can see that the border between the two groups is moveable Group 109 Group 2 X 1 mg3al_2 frac Tim 2 mg3al 4 frac Time 2 5 6 29 0 75x0 0015x0 75 mm 500x1x500 cells Figure 4 31 Changing the view of two side by side arranged grous 3 mg3al 2 frac my Important is the function of dragging and dropping a dataset from one group to another There is no selection field for this tool but instead a dataset can be slided to the group where required This action is accomplished when during the dragging a text box saying Move to group appears 4 2 10 Scripting In Display MICRESS 7 it is possible to automate every user action with scripting This means that every action the user does with the mouse or keyboard is reproducible with a script without human interaction The user is able to write a script within Display MICRESS or in any text editor Additionally it is possible to automatically generate scripts from the user s actions within the program this pr
2. There is a special case regarding the Virtual EDX If a Virtual EDX line is marked it is not restricted to the zoom but can also be out side the zoom This occurs when selecting Zoom in Analogously Figure 4 13 Zoom MICRESS User Guide Volume Il Running MICRESS 24 76 Chapter 4 Running DP MICRESS the Default Line Scan becomes invalid when Repetition or Mirroring are selected 4 2 4 2 Properties By clicking on the Properties rubric statistical characteristics are pointed out such as File Line width Window 15 GG3D kor kom Currently visible region BI Timesteps and display mode Current timestep iz Number of ports 10000 oum of values 1 14802e 06 Average value 114 802 Minimum value 2 Maximum value 200 Figure 4 14 Properties 4 2 4 3 Ratio This application gives the ratio of width to height So it is possible to set this ratio in a different way by entering the data according to an adequate presenta tion This function is especially useful for one dimensional datasets or cell sizes which are not programmed in a 1 1 ratio 4 2 4 4 Operations Window Here the dataset about which statistical in formation are given is defined Region Chosing the visible area of interest So if the whole dataset shell be watched or only a limited ver sion of the dataset In case of zooming there is no difference in the image section because the currently visible region will tal
3. MICRESS User Guide Volume II Running MICRESS 8 76 d Chapter 3 Post P rocessing 3 11 mcr files Three different classes of MICRESS result files mcr can be distinguished e special mcr files e Standard mcr files e ld extension mcr files Special mcr files output Description 0000000 a geometry file being necessary for any post processing It stores information concerning the geometry of the simulation domain e g grid size cell dimensions etc This is file is used by any post processing program for the visualisation of results Me qt a restart file that allows to restart continue a simulation Results for the individual field variables 2D 3D for all output time steps in standard mcr files up emm geoF mcr concN mcr gives information about the concentration of the alloying element N cPhaN mcr similar to concN except for the interface regions where the concentration in a given phase is written out and notthe mixture concentration dGsp mcr used in stress coupled simulations it shows the stress contribution to the driving force diff mcr shows the data provided by Thermo Calc via its TQ interface for the diffusion coefficients driv mcr gives the driving force for the growth of a grain with a higher number into a lower one frac mcr ylelds the fraction of solid fracN mcr shows the fraction of the phase N geoF mcr stores information concerning the geometry I e g
4. n El mr File Line width 200 400 600 B00 1000 distance in um Show Dataset Time Fiom Tox From Y To Y From Z ToZ Copy Copy Close ES Ip ES LES IG VOS Moo CC NU Figure 4 25 The line data value graph The Copy tool creates an exact copy of the present data file The Copy tool works alike except of the possi bility to vary the copy according to a user defining beforehand For a visualization of the possible settings see Figure 4 26 The basic idea of copying comprises creating a copy for each single BA Denacness wings oS 8 value Time 22 If there are not used more than two windows a data file can be pulled From X 158 from one onto another window by moving it s row Despite the fact that To X 153 being empty after pulling away the whole window s data and hence From Y 4 being temporarily empty the window stays and be used again So there can be created several line data windows for the same data file running To Y 1 simultaneously and can be assembled or separated again as needed From Z 963 To Z 1042 Copy 3 Ciose Figure 4 26 The Copy settings The File field enables exporting the data as table If there are several graphs there is created a sequence of columns So the x and y values of each graph are placed behind each other See Figure 4 27 Don t export value contains the opportunity to exclude some values
5. Figure 4 28 Options for grouping Furthermore as shown in Figure 4 29 there are several options available when dealing with groups By right clicking on the information bar of a specified dataset marked in green a dataset can be activated so that it is marked for further editing Analougously it can be deactivated for excluding it from further editing Close dataset removes the dataset from the DP MICRESS window and virtually deletes the files for the present preparation Another option is the Activate Deactivate other datasets field where the other datasets within one group can be controled Group 1 X Group 2 2 mg3al_2 geoF Time 1 4013e 45 0 0 v Active Activate other datasets Deactivate other datasets Close dataset 2 Figure 4 29 Activating deactivating and deleting datasets within a group The marked group s designation on which hot keys are then applied is colored in blue and can thus be identified If one window is marked the entire group is automatically marked as being active Nevertheless a single dataset which is part of a group can still be activated or deactivated independently If a dataset is deactivated its label switches from black into red See Fig 4 30 Display MICRESS 7 1 2 File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scripting Options Help Qo anlag rx meist Le XZ 1 E By E x i m Group 1 Group 2 x
6. MICRESS User Guide Volume Il Running MICRESS 32 76 ad Chapter 4 Running DP_MICRESS Si DPMICRISS int X 1 Delta Gamma conc1 mcr Y 1 Delta Gamma conc1 mcr X 1 Delta Gamma conct mcr T 1 Delta Gamma conct mcer ls 1 0 375102 136271 ll 2 0 374002 2 1 38465 4 3 0 374878 3 16228 1 35911 5 4 0 374761 412311 13 7107 6 509902 0 374646 5 08902 1 37304 7 608276 0 374524 6 08276 1 37502 8 707107 0 374398 T 28011 137959 9 805226 037427 B 24821 1 38153 10 905538 0 37414 821954 1 32835 11 1004899 0 374007 10 198 1 38552 C UsersLilanDesklop AS CRESS 408 Examples Resulis Deta Gamma oufput csv m Value Deng Export all values Dont export value 0 Epot X Close Figure 4 12 Exporting the data file of Figure 4 24 s graph as a table Show Line data over time shows the line data in reference to all time steps where one line symbolizes one time step Show Point data over time works justas Show Line data over time only dealing with points instead of lines Each point belongs to one line So on the graph there is not seen the lines course but the points course over the time This lack of spatial variance is the reason why itis only possible to define one setting for XYZ Show value over time is entering and therefore searching manually a defined value on a line The program responds this request by letting the graph reveal where exactly this value is achieved The search refers
7. TabT txt reports information concerning the setting of the automatic time step when automatic time stepping has been selected TabTQ txt shows the temperature change with progressing simulation time and the corresponding CPU time TOE a Windows specific data file which stores the output of Thermo Calc s interface making it more convenient to exploit the origin of TQ errors It is always created under Windows when Thermo Calc coupling is activated MICRESS User Guide Volume Il Running MICRESS 12 76 C Chapter 3 Post Processing 3 13 vtk files Especially for 3D simulations e g Fig 3 2 there is an option to save simulated data in a special format called vtk This format allows 3D visualisation of the results in freeware software tools like e g paraview www paraview org see chapter 5 This output option can be switched on in the driving file for the simulation As a consequence vtk files are written out instead of mcr files The major difference between these two output formats is that a mcr file contains the results for one field variable for all time steps while each vtk file comprises all field variables for only one time step A conversion of mcr files to vk files is possible using the DP MICRESS tool see chapter 7 Viet ie Ta CH FR Re g ih reir d e E ara xa ER E s i e im x Ay i phi Ae On EE Se WW Die Een Se TER s E am e bes ee j 3322 EE YA
8. 5 2 2 Rotation Translation Pressing the left mouse button and moving the mouse at the same tile leads to free rotation Pressing the right mouse button with moving the mouse simultaneously zooms in and out A rotation around an axis is possible via pressing the shift and the left mouse button with simultaneously moving the mouse For translation press the Shift button and the right mouse one and move the mouse 5 2 3 Colour by different results and attributes Use the button coloured in red Figure 5 4 to switch between different output results The simulation domain will be coloured according to the output file selected in the menu bar see Figure 5 5 Al Kitware ParaView 36 1 Figure 5 4 The ParaView main menu bar the attribute feature Hie Edit View sources Filters Animation Too Help G E LE a ax A G K E MICRESS User Guide Volume II Running MICRESS 56 76 eq Chapter 5 ParaView kom grain number phas phase number rex stored elastic energy Figure 5 5 Colouring the simulation domain according to the different attributes of the output file 5 2 4 Run an animation You can run an animation using the output for a given attribute for all time steps For that purpose use the animation bar in the main menu You can easily switch between previous and next time steps go directly to the very first last time step or perform different loops of visualisation K ARIS Fig
9. Cutting plane down Repetition and Mirroring horizontal disabled horizontal repeat 2x horizontal repeat 3x horizontal mirror 2x horizontal mirror 3x vertical disabled vertical repeat 2x vertical repeat 3x vertical mirror 2x vertical mirror 3x Zoom Properties Ratio Operations Show vectors Vector settings Isoline settings Annotations 34d h4d htr 2 htr 3 h4m 42 h m 3 vd v 2 VH v m 2 vtm 3 d z dAn d d 0 d v dis d Color Scale Show hide annotation coloring 01 Cta c 0 1 MICRESS User Guide Volume Il Running MICRESS 50 76 Chapter 4 Running DP MICRESS coloring 02 coloring 03 coloring 04 coloring 05 coloring 06 coloring 07 coloring 08 coloring 09 coloring 10 coloring 11 Position Right Position Top P osition Left Position Bottom Independent Flip scale Set gap Set range Set size Length Scale Show hide annotation Horizontal MICRESS User Guide Volume II Running MICRESS 51 76 E I ed Chapter 4 Running DP MICRESS Vertical Lu Set size Lis Information box Show hide annotation i a Right i Top LH Left iH Bottom 0 Set content Ke Set size Us Show hide icon i w Animation Start stop animation ats First step att Previous step atp Next step a Last step atl Virtual EDX Pick default line Horizontal e d h Vertical e4d4v Right e4d4r Top e4d4t MICRESS User Guide Volume Il Running MICRESS 52 76
10. User Guide Version 6 2 POST PROCESSING Volume 3 Resolution of partial differential equations is more about art than science Apocryphal quotation from Numerical Recipes in Fortran 2 2 4 except for large values of 2 Anonymous Ag Douglas Adams Edited by MICRESS group MICRESS User Guide Volume II Running MICRESS Contents Contents I Howto USe Mis manuali vx noo nd Verena reno na cann er enun n 5 TL UE 6 3 POStEPIOCESSING sismos nid n cen OK PAGARE ODER EE O VIRUS RIDE ITO 8 3 1 Introduction to MICRESS Post POC C56 1100 EE 8 3 1 1 Output file types iicet dco orc vU ct 8 SaL BO Eeer 9 CMM rou c m 11 EE 13 3 2 Overview of post processing tools for MICRESS results 14 A R nnNODP MICRES ri nani enr Dan On POREVE ERN DNE ODORE DRIVEN DIE 9I OE 15 4 1 Quick start bar ODIT E 16 LL MES PP orian E EAEN EAEN 17 D EIERE 17 4 1 3 MOUSE pointer OR cuoriovtiicisirinondukbsirkDu periret Gron REEF vcr bna dnce Orid 18 AME dci dz do UU CROIRE 19 Za WW e 19 AME D 20 MENO CIUM 24 AAA ODIO a FMI ell 24 NY ie ANOO Nt 20 ALO AMN UO EE 31 A die CB ea E E A E E EE 31 4 2 8 MOUSE ele lr 33 e Oe ln 33 BN FTI CU RR 35 Eh WE pen E 4 2 2 EE ENEE eege 48 E CC 55 5 1 Installing and lauter IA EE 55 AC C 56 5 2 1 Displ
11. oseto for the average and extrema of concentration in each phase when the TabC txt concentration coupling is activated TabD txt gives the diffusion coefficients at the corresponding tab log times when the concentration coupling is activated dTLat txt used for intermediate data relative to the release of latent heat Tape xt for the average fraction of each phase in the whole domain when the concentration coupling is activated TabGD txt contains information about the grain status i e whether a grain increases in dimensions TabK txt contains the number of grains This file is updated by default each time a grain Is set or disappears TabL txt an ASCll monitoring output generated at user defined intervals to check the simulation progress it gives information on the temperature gradient and some additional information depending on the type of coupling activated TabLin txt It gives the temperature at defined time intervals for the temperature at the bottom and at the connecting points when linear flow trend used MICRESS User Guide Volume Il Running MICRESS 11 76 G Chapter 3 Post Processing TabN txt stores data relevant for making Von Neumann Mullins plots TabP txt sums up the simulation time the CPU time the diffusion the seed the enthalpy the stress and the temperature times TabR txt provides information on the recrystallized fraction TabO txt gives orientation information
12. taneously all results of interest See Figure 8 10 right MICRESS User Guide Volume Il Running MICRESS 68 76 eq Chapter 8 Post Processing Exercises m splay MICRESS 7 dE Contem Annotations Anmabon oup 1X e Gals oie conc2 Time 27 15 22 amp A Bin 0 001x 4 Deta Gamma phas Time 27 15 22 m de WEE NL Deka Gamma phas vient a Gamma concz X 4680 181 Y 1 0l 1 7568 i Decem PAA CAPE Y 1061 m 1500 Time 27s 1500 7 Time 27s ES to 340 Time 27s to 310 Time 5 E 8 Figure 8 10 Finding the relevant details Simultaneously zoom in on all displayed results In order to have the three panels in a horizontal line go to Window gt Tile arrangement and enter 3 for column count and 1 for row count Zoom in at all results simultaneously with Mouse pointer gt Zoom and move You only need to select the zoom range on one of the plots and you will automatically zoom in the rest of them Next try to navigate the three plots independent of each other For that purpose fix the phase picture at 25 s This can be done by using the time field to time step specified by its number So the activating options can be selected by right clicking on the topline of one dataset Here you can select which result files to modify and to which time step to go See Figure 8 11 To display the difference between two of the results you need to have only two results pl
13. Repe tition function The Mirroring tool works alike The same dataset is mirrored in a series twice or three times This form of expression can be revised by pressing the disabled button All the options are visualized in Figure 4 12 E Display een 20405 7 i zm File Window Seog Annotations Animation Virtual EDX Mouse pointer Grouping Scri bon 4 WD SIR kk x x Group 1 x E Repetition and mirroring SE LLL disabled h d 11 GG3D kom gt Zoom d z Ver ca repeat2x h r 2 e o Properties ii repeat3x h r 3 ar o Ratio A mirror 2x h m 2 Operations A miror3x Irma 121 GG3D Kor PNW vecors 2 5 Vector settings h SJE l Isoline settings A Figure 4 12 Repetition and Mirroring 4 2 4 1 Zoom es ey a Principally the Zoom tool serves the same purpose as the zoom Datapoint rectangle to show ing by opening a rectangle It just differs from the rectangle zoom Honzontal 2 to 100 ing in the manually setting Figure 4 13 shows the possible ad Vertical 1 to 100 justments The unit of reference are cells When zooming the rest Hide outside datapoints of the dataset is normally cut Here DP MICRESS makes use of a special function If there is still space for the cut area after zoom OK o Preview 3X Close ing this area is kept on showing until the hide outside data points field is activated
14. Running MICRESS 41 76 2 o export Chapter 4 Running DP MICRESS Export windows content as dataset file It is possible to export the current time step all time steps or a list of time steps The file format can be the MICRESS geoF based data format or a binary or ASCII vtk file For vtk files it is possible to embed multiple datasets in one file Additional datasets can be specified by adding one or multiple pairs of additional window IDs and data types The output files can be compressed whether or not compression is enabled by default depends on the chosen file format If geometry values are defined the dataset will be transformed to fit the new geometry The default transformation algorithm is nearest neighbor but a trilinear algorithm can be enabled For more information about the algorithms see chapter muss noch geschrieben werden vermutlich KE Color scale commands 0 Window ID File name optional Default is based on first dataset in window Time step optional cur all or a list default Is all File format optional One of geof vtk vtkascii default is geof Compress file optional true or false de fault is true for geof and false for both vtks Data type optional Default is data type of first dataset in window Current region optional true or false de fault is false Geometry X optional Geometry Y optional Geometry Z optional Trilinear optional true or false de
15. Steinbach Multiphase Field approach for multicomponent alloys with extrapolation scheme for numerical application Phys Rev E 73 066122 2006 17 Steinbach F Pezzolla B Nestler M Seefselberg R Prieler G J Schmitz J L L Rezende A phase field concept for multiphase systems Physica D 94 1996 p 135 147 18 Eiken Numerical solution of the phase field equation with minimized discretization error IOP Conf Ser Mater Sci Eng 33 012105 doi 10 1088 1757 899X 33 1 012105 19 Eiken The Finite Phase Field Method A Numerical Diffuse Interface Approach for Microstructure Simulation with Minimized Discretization Error MRS Proceedings 2012 1369 mrss11 1369 xx05 05 MICRESS User Guide Volume Il Running MICRESS 13 76 Chapter 11 Literature DOI 10 1557 opl 2012 510 20 S G Fries B B ttger J Eiken Steinbach S G Fries B Bottger J Eiken I Steinbach Upgrading CALPHAD to Microstructure Simulation the P hase field Method Int J Mat Res 2002 Vols 100 2 21 F J Humphreys A unified theoy of recovery recrystallization and grain growth based on the stability and growth of cellular microstructures the basic model Acta Mater vol 45 n 10 1997 pp 4231 4240 MICRESS User Guide Volume II Running MICRESS 76 76
16. There are four ways of execution Execute current line meaning the line where the text curser is located Execute all lines from top to bottom Execute all lines from the top to the current line including the current line Execute all lines from the current line to the bottom including the current line The executions can be inherited via the Run script menu or via hotkeys see run script menu During execution the background color in the line number area left to the editor area will indicate a line s execu tion status Gray lines are pending blue lines are currently executing green lines have been executed success fully and red lines have executed with errors If a line executed with errors the execution of all other lines will be stopped Lines will be executed one after another and it is guaranteed that the previous command s result is available to the next command For example a newly opened file can be safely referenced to in the next com mand line The Scripting menu includes several slots to hold scipts and exe Options Help cute it especially a startup script slot which will be executed at each Show scripting console sc DP MICRESS startup see figure 4 33 These slots and the contain Execute startup script sts ing Scripts can be modified by Edit custom scripts Do not save these dedicated scripts with another file name because otherwise the connection to the execution slots will be lo
17. a line w with line and the line width Iw shall be 2 As soon as the last command is entered the plot shown in Fig 6 4 will appear If you wish to fit the curve e g by a least squares fit specify an analytical function describing the curve A function of the form f x 2 RO k x m has been used as an example here Fig 6 2 second part of the gnuplot commands MICRESS User Guide Volume Il Running MICRESS 60 76 G Chapter 6 gnuplot JI Grain Growth TabK txt WordPad 27 Dater Bearbeiten Anescht Emf gen Format 7 f Simulation Avg radius Gr density Grain Liquid Phase 1 time 3 micrometer micrometer z Number present amp radii are calculated from the average fractions 1 B4072BE 04 53 No Liquid 1 B0556E O04 A3 No Liquid 1 77083E 04 51 No Liquid 1 73611E 04 BO Ho Liquid 1 70135 04 45 No Liguid Figure 6 3 The Grain Growth TabK txt output file the average radius column 2 is plotted over the simulation time column 1 Initial values for the parameters RO k and m have to be specified which will be used as Initial guesses during the fitting procedure Type in fit f x Grain Growth TabK txt u 1 2 via R0 k m to start the fitting procedure After the optimal fit has been found the number of iterations that have been necessary for convergence will be shown along with the final sum of squares of the residuals as well as the fitted values for the parameters RO k and m If
18. disk space than raw binary data When exporting window contents as dataset there are several options available e Region specifies the selected area s scope Choosing the entire revealed area or limiting the export is correspondingly possible The limitation can for example derive from the zooming function or from turn ing a 3d file into a 2d file by selecting only two of the XY Z coordinates e Geometry specifies the file s size with the unit cells in grid cells The data file has default settings which can thus be converted into custom settings Only when using the geometry variation the tool ge ometry conversion is applied additionally MICRESS User Guide Volume Il Running MICRESS 19 76 Chapter 4 Running DP MICRESS When exporting group as image only the image resolution and not the content itself is changed when select ing anything else than current To improve the image resolution is useful especially when dealing with big data sets To export the currently visible window the file must be renamed to assure not overwriting the original file Modifying more than the current settings in relation to both timestep and 3d leads to some obligatory variations In case of multiple time steps a star in the output file name will be taken as a place holder for the time step Respectively a question mark for multiple 3D planes should be added Usually these variations are set auto matically When c
19. existing MICRESS results please refer to chapter 7 of this handbook on Data conversion There are also options to directly specify create vtk output from MICRESS simulations Please note that within this manual only a very basic introduction can be given as there are many many options for the use of ParaView To open an existing vtk file in ParaView run the program In the main menu bar go to File Open Choose the file to be opened It will usually appear as filename vtk The selected file appears in the tree of built in objects in the left side of the ParaView window Click on apply under object inspector Properties the sub window below the built in objects tree Then the calculation domain similar to Figure 5 1 of your simulation will appear in the window on the right Figure 5 1 A MICRESS 3D result output displayed using ParaView Figure 5 2 Opening a vtk file in ParaView left and the simulation domain right MICRESS User Guide Volume II Running MICRESS 23 16 G Chapter 5 ParaView 5 2 Using ParaView 5 2 1 Display surface or volume Once having loaded the result file use the button shown in fig 5 3 marked in red to switch among outline Surface volume and slice Observe how the simulation domain changes its appearance Lj Kitware ParaView 3511 Figure 5 3 The ParaView main menu bar the Volume feature Fe Edit View Sources fiter Animation Took Help
20. gnuplot Additional information to exploit all features of gnuplot can be found on www gnuplot info MICRESS User Guide Volume Il Running MICRESS 62 16 A Chapter 7 Data conversion mcr to vtk 7 Data conversion mcr to vtk As far as the post processing of MICRESS 6 results is concerned the main characteristic feature of the ParaView software is that it requires a vtk format of the files to be read If you want to post process already existing result files you need to convert them into a vtk format which can be done using DP MICRESS For that purpose start DP MICRESS go to File in the main menu bar and from there select the result file to be converted see Figure 7 2 Export window as dataset Windows s and datatype s 3 Delta Gamma conc2 E conc2 File es iDP MICRESS DP7 Manual Exchange Results Delta Gamma Delta Gamma B3 Format ei eT Compress output file W Timestep s current all 5 multiple 1 2 3 4 Region complete dataset visible region Geometry amp current custom X Y Z 245 Geometry conversion nearest neighbour trilinear Export 9 Close Figure 7 2 The Export window as dataset tool In the rubric Format there can be defined in which format the prospective dataset shall be converted Besides the MICRESS binary format the following options are available VTK binary and VTK ascii As Figure 7 3 shows there are further settings which can be select
21. i IE ed Chapter 4 Running DP MICRESS Left e4d4H Bottom e d b Ascending diagonal e d a Descending diagonal e d d Pick points lines with mouse e m Pick points lines with coordinates etc Show line data e Show line data over time e t Show point data over time e p Show value on line over time e Show non zero values on line over e n time Mouse pointer Zoom and move m4z Color scale min max rectangle m Points and lines Virtual EDX m p Anchor label m a Grouping Create new group g4c Side by side direction horizontal gth vertical gH Scripting MICRESS User Guide Volume Il Running MICRESS 53 76 F E TIT ed Chapter 4 Running DP MICRESS Show scripting console S4C Execute startup script S45 Execute script 1 Stl Execute script 2 S42 Execute script 3 S13 Execute script 4 SH Execute script 5 S Execute script 6 S46 Execute script 7 St Execute script 8 S48 Execute script 9 S49 Execute script 10 S40 Edit custom scripts Ste Options Edit settings ote Restore default settings da Display Micress Handbook F1 About Display Micress F2 MICRESS User Guide Volume Il Running MICRESS 54 16 5 ParaView 5 1 Installing and running ParaView The freeware ParaView is especially useful for post processing of 3D MICRESS output data The software can be downloaded for free from www paraview org ParaView requires a vtk format of the files to be read To exploit how to create a vtk file from
22. line combination All created points are deleted by a second click on the points and lines tool The selected points and lines can be used as input for the virtual EDX functions for more detail see chapter 4 7 In spite of zooming the select ed points keep constantly their position The anchor gives a reference d value to another point One click Mec places the anchor and to define mn the anchors position it can be moved to a desired point Beyond by clicking on the arrowhead the anchor s target position can still be Draw border changed A double clicking on the ener arrowhead activates a popping up Foreground coloropacty ff 100 window which comprises several eenegen Je designing opportunities and more over the possibility of deleting the ds eege cna arrow Even after zooming the selected anchors keep constantly their positions Figure 4 5 The mouse pointer tools MICRESS User Guide Volume II Running MICRESS 18 76 Chapter 4 Running DP MICRESS 4 2 The task bar options 4 2 1 File A MICRESS results file see Chapter 3 1 1 can be opened with DP MICRESS which can be both a new data file by Open solution or a beforehand used one by Load recent Several files can be bundled into a group so that commands are done for all the windows belonging to the group This tool facilitates working with DP MI CRESS The simulation results can be saved in several data formats for other u
23. of possible calculations which can be realized using DP MICRESS It is important to know that these applications do not only consist of simple mathematical modules but also of mathematical functions like sine function or like connections from epee the field of logics Compare datasets The letters x y z and t are not part of a possible parameter selection since they are already unambiguously defined variable names for the cell s coordinates millimeter and time s GG3D kom kom Window name G AM kon kom Utiized datasets a 1 GG3D kom kom n D File Help On the field File the created opera a tions can be exported by selecting Save or imported into another data file by selecting Load It is possible to watch the same data file from different time step perspec tives So the past in respect of the current window all windows f Current time step are negative val Compare grid Cell based Cellbased ues the future is revealed hence by Enable subpixel rendering positive values v OK Preview sf Close Different datasets can be compared using several parameters either on a Cell base or a Scale base This comparison works on the level of Figure 4 16 Operations choosing all the group s windows and just some of them depending on individual demands The standard operation for calculating a comparison between two datasets is a simple sub traction such as
24. on the distance to the first point of a line Show non zero values monitors every value above or beyond zero This tool is convenient for data sets which consist especially of zero values to point out the deviating values 4 2 8 Mouse pointer This tool has gotthe same application as the so called task bar option the rubric 4 2 1 3 Mouse pointer tools 4 2 9 Grouping Grouping enables moving the tabs in order to hide a group or to present the groups next to each other The boundary between tabs can be moved to vary an extract Creating a group which contains several datasets entails a central benefit Using the DP MICRESS tools affects all the files of one group So an effective compari son between datasets of the same status is realized Concerning moving and arranging of a group the handling is improved by the Drag amp Drop tool A practical application is the double clicking on the datasets labeling The selected dataset is enlarged and its window opens full screen MICRESS User Guide Volume Il Running MICRESS 33 76 Chapter 4 Running DP MICRESS ETT Scripting Options Hep Starting up with creating a group they can be arranged in many ways See Figure 4 28 Create new group g c The boundary between tabs can be moved to vary an extract Side by side direction changes the way of presenting a group in way of either being horizontally or vertically arranged Side by side direction d
25. percentage is increased the gap between color scale and window boundary is enhanced likewise As a consequence the color scale s width decreases By clicking on Set range the color scale s spectrum with minimum and maximum value can be chosen Refer ring on the current timestep the current region or all timesteps can be selected By clicking on Set size the color scale can be widened or narrowed R Display Micress 20 405 PE o File Window Content SCC Animation Virtual EDX Mouse pointer Grq Q oa a km IR Color Scale show hide annotation c a Length scale E ux t gt Colors Group 1 x G E LU i 1 GG3D korn korn Tam e EI Position Set gap 4 Sel range Figure 4 20 Color Scale options 4 2 5 2 Length Scale The Length Scale rubric contains settings concerning the unit showing the datasets See Figure 4 21 By using the tool Show hide annotation can be chosen wether the length scale monitored on the right hand side lower corner in the simulation is revealed or not See Figure 4 22 This annotation can be horizontally or vertically aligned by using the clicking on Horizontal or Vertical MICRESS User Guide Volume Il Running MICRESS 29 76 ed Chapter 4 Running DP MICRESS ER Display Micress 20 414 Ri Display Micress 20 414 Leg z File Window Content Annotations Animation Virtual EDX Mouse pointer 9 9 c m nmes y26 dd ESA Nx 5 CorusF 12L 12 grossG con
26. starting post processing make sure that the files to be analysed are the most recent es Results Delta Gamma ones you created It is often useful to check x eme whether MICRESS has really started creating Delta Gamma 1DExt conci mcr the output immediately after starting the simu E Delta Gamma 1DExt conc2 mcr lation For this purpose it is often wise to com E Delta Gamma 1DExt genF mcr pare the computer time and the time of file E Delta Gamma conci mcr creation update in the results directory E Delta Gamma conc2 mcr KE Delta Gamma driv mcr Once you have verified the right output files E Delta Gamma geoF mcr you should decide about the best of post E Delta Gamma If mc processing the individual files according to their E Delta Gamma orie mcr contents ES Delta Gamma phas mcr Delta Gamma rest mcr The different output file types are shortly high Delta Gamma in txt lighted in the following E uda camis log bd Delta Gamma scr txt Delta Gamma TabD txt ES Delta Gamma TabF txt E Delta Gamma TabL txt El Delta Gamma TabP txt El Delta Gamma TabT txt E Delta Gamma TabTQ txt El Delta Gamma TQ txt Figure 3 1 An example of MICRESS output files 3 1 1 Output file types MICRESS generates the following categories of result files e files containing field values the mcr files e ASCII txt files containing statistical information e optional vtk files especially for 3 D results
27. 4 is 10498401 7 Distance to previous 64 0384 9 nl a ee rur pe amp Timestepranimation actions Figure 8 8 Extracting numbers with the Mouse pointer Coordinates field values angles distances extremata and average values Respective values are displayed in the operating window left 8 3 Read and handle a single result file for multiple time steps When dealing with multiple time steps one is usually interested in generating different outputs for all time steps This exercise gives an example how to handle a single output file with multiple time steps For the purpose read again the result file for conc2 from the Results Delta Gamma folder in your MICRESS installation directory Be fore creating the scan some points should be selected Then the scan is generated via Virtual EDX gt Show line data over time and consequently the line scan outputs for the selected line are caluclated for all time steps See Figure 8 9 If you need virtual EDX outputs for certain time steps several display scans for specific outputs are selected by clicking on them Thereby only the curves for the time steps of interest are displayedTo save them go to File gt Export as table MICRESS User Guide Volume Il Running MICRESS 67 16 Chapter 8 Post Processing Exercises S Rd Value graph GL 5 ce 200 250 ce e ce b c ce ech distance in um To X To Y From Z To Copy Copy Close
28. 4 9 Cascade Windows 4 2 2 4 Window sizes There are three possibilities for manipulating the window size also D Set eh et e for all the windows in one group Set window sizes enables a wean 735 a n manual input in height and width in the unit pixel This function is Height 428 Z not applied for the whole window but for every dataset separately So a dataset in one active group needs to be chosen first and then can be varied See Figure 4 9 Figure 4 10 Set window sizes Fit window sizes automatically takes the geometric form of a dataset into account by adjusting the appropriate format The superior aim is minimizing the space to take a look at the whole active data set See Figure 4 10 Fit main window size modifies the size of the MICRESS main window in a way to make the currently active group as clearly visible as possible hence minimizing the background space as possible See Figure 4 11 MICRESS User Guide Volume Il Running MICRESS 22 76 C Chapter 4 Running DP_MICRESS EN Display Micress 20 414 e g File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scripting Options Help EE IX 8 ARS X 1 CorusF12L 12 grossG conc2 Time 2 2 mg3al 2 frac Time 0 1 29 2x0 002x2 wc 20414 ENT p File Window Content Animation Virtual EDX Mouse pointer o6 e o e eet ze s xz el amp ERIS x Tu 1 CorusF12L 12 grossG c
29. D 3D case sxyCV sxzCV syzCV are off diagonal terms torsion respectively This is true if the stress coupling is activated gives out the von Mises stress when stress coupling is activated Results for individual field variables calculated in extended 1D fields 1DE xt BEST IDExt_concl mcr shows the concentration of alloy element 1 as specified in the MICRESS driving file when a 1D external field has been used in the simulation IDExt_conc2 mcr shows the concentration of alloy element 2 as specified in the MICRESS driving file when a 1D external field has been used in the simulation 1DTemp_Temp mcr gives the temperature when a 1D temperature field is used 1DTemp_enth mcr shows the enthalpy when a 1D temperature field is used MICRESS User Guide Volume Il Running MICRESS 10 76 ed Chapter 3 Post Processing 3 1 2 ASCII txt files Two different classes of MICRESS ASCII result files txt can be distinguished e special txt files e standard txt files The meaning and content of these files is described in the following tables Special txt output files output Description ooo ua byt the input file corresponds to the driving file as understood by MICRESS log txt gives information about the input data initial relinearisation output at initialisation or before the first nucleation CPU time and intermediate output at defined time steps txt files containing dedicated data opa
30. Distance te previous 268 896 um L c E E 1 m w 63D Group 1 Xi 3 Repetition and mirroring E Zoom d 9 Properties d p F Ratio Operations anas Save contours Vector settings Isoline settings l P 1 04834 soline values colors m Nomadz JW Window dataset relation 1 Delta Gamma conc2 D uses window contents Line width Preserve timesteps Background transparency s Preview 9 Close Delta Gamma conc2 X 1 to 245 Y 1 of 1 Z 1 to 1500 Time 35s m e a Figure 8 7 Displaying isolines MICRESS User Guide Volume Il Running MICRESS 66 76 C Chapter 8 Post Processing Exercises You can use the option Mouse pointer gt Pick points and lines Virtual EDX to measure the distance and the angle between two points to determine the coordinates or the field values of a selected point as well as to obtain extrema and average values in the operating window see Figure 8 3 B iplay MICRESS 7 12 File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scnpting Opbons Help P a a tr we Timen xb zB ERAI Group 4 x i a MM M T Delta Gamma conc2 Time 35 18 22 0 245x0 001 1 5 mm 245x1x150 B Delta Gamma conc2 Time 35 19 22 0 245x0 001x1 5 mm 245x1x150 9 Deta Gamma conc2 Time 35 19 22 0 24500 001 1 5 mm 2451x150 m D B 5 0 85044 had o Se 00 00900 LS 9L jis 1214849 falue at 128 755 Cell 18651
31. IX all windows of the current group will be affected Active true or false default is true others Set active state of all windows of the current group but the Window ID Active true or false default is true group Move a window to a specific group Window ID duplicate Duplicate a window creating an exact but independent Window ID optional copy If no window ID is given all active windows of the current group will be duplicated name Rename a window Window ID Window name remove Close a window All unsaved changes will be lost The Window ID window ID is non optional To close all windows of the current group use group clear e Group commands Sub com Explanation Arguments mand add Create and show an empty group show Show a group Group ID remove Close a group including Group ID optional default is the current group all of the windows in the group clear Close all windows in a Group ID optional default is the current group group export Generate an image from File name optional The default file name depends on the dataset in the current group s active the first window The file name s extension specifies the file format windows Time step optional Can be cur all or a custom list Default is the current time step 3rd dimension depth optional Can be cur all or a custom list Default is the current depth Resolution 96 optional Scales the image to use a finer r
32. Scope of this chapter is only giving a basic introduction to gnuplot using some MICRESS results as examples For detailed information the reader is referred to the gnuplot manuals 6 1 Installing gnuplot rile Plot Expressions Functions General Axes Chart Styles 3D Help Replot Open Save Chbir Print Prisc Prev Next BHUPLUT Version 4 4 patchlevel D last modified Harch 2000 systen H5 Hindous 32 bit Copyright C 19956 1993 1938 2004 2007 2010 Thomas Hilliams Colin Kelley and many others gnuplot hone http uunu gnuplot info faq bugs etc type help zeeking aszistance inmediate help type help plot uindou hit h erninal type set to wi gnuplot Figure 6 1 The gnuplot command line after installing gnuplot In order to install gnuplot first download the installation package from the World Wide Web and then unzip it into an appropriate directory After having read the Readme files and installation instructions you can run the wgnuplot exe Fehler Verweisquelle konnte nicht gefunden werden see Figure 6 1 Using the command line you can proceed to visualize and post process MICRESS output files MICRESS User Guide Volume II Running MICRESS 59 76 bl Chapter 6 gnuplot 6 2 Plotting data and fitting curves The possibilities of plotting MICRESS data and fitting curves will be explained with the help of the Grain Growth example This example is stored in th
33. T d j A n JEN E Y t y Ah e i Dm 3 a i K a C T Wat 3 AN yE d Mr LLLA LL ut Lob eischter DL e ES ec Vhs Arg ET FT E AAA V TE mm bh ak i Zeg ad Figure 3 2 3D Simulation of a an array of Mg dendrites with the results being saved and displayed in the vtk format MICRESS User Guide Volume Il Running MICRESS 13 76 bl Chapter 3 Post Processing 3 2 Overview of post processing tools for MICRESS results Currently available freeware frequently used for post processing different MICRESS result files comprises e DP MICRESS This is a 2D partially 3D evaluation tool the graphical user interface to Display MICRESS This tool is provided along with your MICRESS installation CD e ParaView This is a freely available 3D post processor from ParaView www paraview org e gnuplot This command line driven plotting utility can be used for post processing of text and ASCII files It can be downloaded from www gnuplot info The ASCII and txt result files can be also post processed with any type of ASCII post processing e g MS Editor Excel etc SBINGIG 2D 3D text ASCII DP MICRESS O gnuplot C L ParaView C Figure 3 3 Categorisation of the currently available freeware for post processing of MICRESS results These tools and their basic operation will be shortly introduced in the following chapters MICRESS User Guide Vo
34. Volume Il Running MICRESS 64 76 ad Chapter 8 Post Processing Exercises mi Display MICRESS 7 1 2 E EN lt lo File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scripting P m a r m nme E oz e 7 ATA Group 1 1 Delta Gamma conc2 Time 25 13 22 0 245x0 001x1 5 mm 245x1x1500 cells A P l N D e cee o Delta Gamma conc2 X 1 to 245 Y 1 of 1 Z 1 to 1500 Time 25s amp rimestep animation actions e g Figure 8 2 Moving ahead to time step 25 EN Display MICRESS 7 12 4 Time s 25 i xz elt LIA 2 Ba EX S Group 1 x 1 Deita Gamma conc2 Time 25 13 22 0 245x0 001x1 5 mm 245x1x1500 cells Size pixel s OK s Preview XX Close Delta Gamma conc2 X 1 to 245 Y 1 of 1 Z 1 to 1500 Time 25s amp iTimestep animation actions e ge Figure 8 4 Increasing the colour bar thickness Ei pape MOCRESS aa z gt cd File Window Content ESTIS EB Animation Virtual EDX Mouse panier Grouping Scripting Options Help t e macoxsSae eF RAT Group 1 amp Pages emeng how Tace annot isa dl Deia Garnma concz S E H Top E Len x Set content Set size 12 ER Showhide icon Figure 8 3 Removing the annotations EN Display MICRESS 7 1 2 E File Window Content BEER Animation Virtual EDX Mouse pointer Grouping Scripting Qe a Je vg mm Color Scale fij amp ay a P Le
35. a b Sub pixel rendering is a tool which refers on the showed pixels When it is activated all dataset s pixels with their underlying pixels are shown which enables sharper borders and clearer shapes When the tool is deactivat ed only the pixel in the left upper corner is shown including all underlying ones 4 2 4 5 Show vectors This tool is especially appied when working with vector files So the arrows stand for velocities in x or z direction Negative values go to the left hence positive values to the right The z coordinate influences the way an arrow is pointing up or down Moreover an arrow s length indicates its strength The longer the arrow the stronger is the current The line mode deals with flow patterns by simulating a single particle s movements MICRESS User Guide Volume Il Running MICRESS 26 76 C Chapter 4 Running DP_MICRESS 3 GG3D korn korn Time 0 1 6 0 2x0 2x0 2 mm 100x100x100 cells e y S t 4 e e Dataset for X component 1 GG3D kom kom Dataset for Z component 1 GG3D kom kom 100 X 1 to 100 Y 50 of 100 Z 1 to 100 Time 0 s Figure 4 9 Show vectors 4 2 4 6 Vector settings When setting the Cutoff for absolute minimum length tool there is chosen a minimum length which is pre sented Every vector being shorter than this length is filtered out When setting the Cutoff for absolute maximum length tool there is chosen consequently a ma
36. all line The coloring of each line can be set by the squared buttons beside the iso value The left one defines the inner color of the line the right the color of a thin border of the line Preserve timesteps enables a multiline plot over time i e while stepping through the time steps already drawn lines will be preserved Edit values for isoline contours 05 WE Isoline values colors Normalize Window dataset relation 1 Delta Gamma conc2 I uses window contents E Line width 3 Preserve timesteps Background transparency s OK s Preview 3 Close Figure 4 8 Isoline settings MICRESS User Guide Volume Il Running MICRESS 28 76 Chapter 4 Running DP MICRESS 4 25 Annotations 4 2 5 1 ColorScale The color scale can be setted in several ways It can be hidden the color presenting can be changed and by clicking on Position it can be moved to a fixed position on the top to the left right and on the bottom Inde pendent stands for the moving of the color scale to a separately variable dataset Flip scale defines whether the coordination system s scale is located on the right or on the left of the color scale itself The distance between color scale and window boundary can be varied by using the tool Set gap There a win dow pops up asking to insert a number in percent which stands for the portion of actually used space in refer ence on the window s boundary So if this
37. ay surface Te EE 56 SR Rotation NT en Em 56 5 55 Colour by different results and abriDUlBS susce cams nti tive brit kd vu DRE PP DNE 56 5 2 4 Runan animation EE 57 MICRESS User Guide Volume II Running MICRESS 3 76 10 11 Contents 5 2 5 Applying filters setting thresholds making sections eene 57 spun aS 59 b MANNI GUN ODOT EE 59 6 2 Plotting data and fitting e areas tcuseesntdararautycenntiarinacstnstanerdaerianstiac pnioeetiape aodeedscsasenes daceaeecnnasmianion 60 6 3 erneiere EE 62 Data conversion mer to Vik TT 63 Post Proc ssing e E 64 8 1 Introduction to post processing exercises with DP MICRESS NENNEN 64 8 2 Read and handle a single result file for a single time step 64 8 3 Read and handle a single result file for multiple time steps eene 67 8 4 Read PUI DHSS gll 68 Useful Information and FAQS nnn 72 9 1 Why can I notopen a certain 3D output file by DP MICRESS sss 12 92 let rores Eechen E MI Ern EE 12 9 3 How to combine phase boundaries and concentration in DP MICRESS wetness 13 9 4 How to save an animation as a direct output in DP MICRESS veces 13 R lefen 6S animi iR UE USE E EY CUIRE BERE ERREUR EE EEUU ERN ERNEUT RORIS 74 Liferabule eege 15 MICRESS User Guide Volume II Running MICRESS 4 76 1 How to use this manual 1 How to use this manual The Introduction shortly presents the
38. bold Right Top Left or Bottom Set content The information line which will be displayed in the information box can be edited Several dynamic keywords are available e g w for the current window name MICRESS User Guide Volume Il Running MICRESS 30 76 Chapter 4 Running DP MICRESS Set size can analogously E Display Micress 20414 to the length scale options File Window Content Eust Animation Virtual EDX Mouse pointer reduce or enlarge the field 9 me 4 mi ColorScale n SER t ix in which the information are Group 1 X Group 2 x RUDI A x1 Groun x provided The MICRESS 5 CorusFT2L 12 gross LA AC ee EE logo can be hidden or shown as required en 2 Right rer Top it 3 Left i reb 9 Set content i c i Setsize i s Show hide icon i w Figure 4 24 The information box content 4 2 6 Animation The animation tool has got the same application as the task bar option 4 1 Time settings and is just a second way of dealing with different time steps 4 2 7 Virtual EDX The energy of X ray lines are indicators for classifying elements therefore also an alloy s composition These lines can be simulated by DP MICRESS e Pick default line lines can be added by a simple clicking e Pick points lines with mouse This tool has got the same application as the task bar option points and lines tool in the rubric 4 1 3 Mouse poi
39. c2 Time 2 65 1 1 1 66665x0 00033333x3 3533 mn File Window Content ec Animation Virtual EDX Mouse pointer i m ilii Color Scale E pe Length scale Show hide annotation l a UZTERA TE Information box Horizontal Le 1 Vertical Il i Set size s Figure 4 21 Length scale settings Figure 4 22 The length scale is active Display Micress 2 0 414 e x Th e it length le siz tion File Window Content Annotations Animation Virtual EDX Mouse pointer e d e Ig Sede e op M e e e 2s vi EE z A enables besides the automatically M SE 2 CG setted selecting a different scale within 5 CorusF12L_ 12 grossG conc2 Time 2 65 1 1 1 66665x0 00033333x3 3533 mn the data file The observable file segment itself stays the same only the length scale s extension is varied Additionally B Edit length scole size the length scale s unit can be chosen Length automatic between micro and nanometers fixed 600 Furthermore in the Side field the space Size pixel 27 the length scale comprises can be reduced or enlarged See Figure 4 23 Figure 4 23 Edit length scale size 4 2 5 3 Information Box The information box generates or hides the data file s properties and its status There are several options such as the location for these specific information So the position of the information box can be defined by simply clicking on the field where the bar is marked in
40. capabilities of the software as well as its wide range of applications It also introduces the recent developments and improvements of MICRESS 9 The chapter Post Processing offers an overview of the MICRESS result files and presents the freeware that can be used for processing analyzing and visualisation of MICRESS output The capabilities of the programs DP MICRESS ParaView and gnuplot are discussed in the subsequent chap ters Information is given about how to install these software tools and how to use their graphical interface The chapters also provide some examples of possible evaluation and visualisation that may be helpful when post processing MICRESS results Some Post processing exercises may be helpful to get better acquainted with the evaluation of MICRESS results You may find further useful hints for generating specific output and troubleshooting in Useful Infor mation and FAQ Any suggestions or comments for improvements on the MICRESS manual and documentation are highly ap preciated and welcome Please send an e mail to documentation micress de MICRESS User Guide Volume II Running MICRESS 5 76 2 Introduction The software MICRESS MiCRostructure Evolution Simulation Software is developed for time and space resolved numerical simulations of solidification grain growth recrystallisation or solid state transformations in metallic alloys MICRESS covers phase evolution solutal and thermal
41. complete dataset and for the current time step Mode single one value for all time steps Mode complete or as one value for every time step Mode list Set operation of a window If no dataset ID is specified the old datasets will be kept The pair of dataset ID and time step modi fication can be repeated up to 22 times to define multiple datasets as variables a to w excluding t Set comparison grid mode for operations to cell based or scale based Enable or disable sub pixel rendering Create a new window and compare two datasets in it First dataset will be a se cond will be b Arguments Window ID optional Horizontal minimum cells optional Horizontal maximum cells optional Vertical minimum cells optional Vertical maximum cells optional Hide outside cells optional true or false default is false Window ID optional Width ratio Height ratio Window ID Region optional current or global default iS current Mode optional One of single complete list default is single File name optional If non name is given the output will be written to the console Window ID Operation Dataset ID optional Time step modification optional Window ID optional Grid mode cell or scale Window ID optional Sub pixel rendering true or false First dataset ID Second dataset ID Operation optional Default is a b Time step modification optional Default is MICRESS User Guide Volume Il
42. default is cur rectangle Set color scale range to a fixed minimum and maximum based on the values in a specific region If one of the rectangles coordinates is left blank it will be set to one min or the maximum possible value max e Length scale commands All following sub commands need to be prefixed with the lengthscale command All commands are applied on all active windows of the current group Sub command show position size length Explanation Window ID optional Default is all active windows Horizontal minimum cells optional Horizontal maximum cells optional Vertical minimum cells optional Vertical maximum cells optional Arguments Show or hide length scale Visible true or false Setthe length scale to a certain position Position One of horizontal vertical Set length scale size Set length scale length No length means automatic mode Length is an integer value in micrometer or nanometer depending on Nanometer e Information box commands Size pixel Length optional Nanometer optional true or false default is false All following sub commands need to be prefixed with the infobox command All commands are applied on all active windows of the current group Sub command show position size content icon Explanation Arguments Show or hide information box Visible true or false Set the information box to a certain posi Position One of left rig
43. diffusion and transformation strain in the solid state It enables the calculation of microstructure formation in time and space by solving the free boundary problem of moving phase boundaries Microstructure evolution is governed essentially by thermodynamic driving forces diffusion and curvature In case of multicomponent alloys the required thermodynamic data can either be provided to MICRESS in the form of locally linearised phase diagrams or by direct coupling to thermodynamic data sets via a special TQ interface developed in collaboration with Thermo Calc AB Stockholm MICRESS is based on the multiphase field method which defines a phase field parameter for each phase in volved The phase field parameter describes the fraction of each phase as a continuous function of space and time Each single grain is mapped to a distinct phase field parameter and is treated as an individual phase A set of coupled partial differential equations is formed which describes the evolution of the phase field parameter together with concentration temperature stress and flow fields The total set of equations is solved explicitly by the finite difference method on a cubic grid 2D and 3D simulations are possible The size of the simulation domain the number of grains phases and com ponents is restricted mainly by the available memory size and CPU speed Telling us suggestions for improvements on the manual or commenting on the manual is possible by writ
44. dimension the last available depth will be shown e Repetition and mirroring commands All following sub commands need to be prefixed with the repeat command All commands are applied on all active windows of the current group Sub command Explanation Arguments horizontal Set amount of horizontal repetitions with or Amount me mirroring allowed values are 1 2 and Mirrored optional true or false default is false MICRESS User Guide Volume Il Running MICRESS 40 76 4 Chapter 4 Running DP MICRESS vertical Content commands Set amount of vertical repetitions with or with out mirroring allowed values are 1 2 and 3 Amount Mirrored optional true or false default Is false All following sub commands need to be prefixed with the content command Most commands are applied on all active windows of the current group if the window ID is optional and ignored The window ID argument follows the same rules as described in chapter X 4 1 Sub command zoom ratio info operation grid subpixel compare Explanation Zoom to a certain area by specifying its borders including If one of the border values is left blank the current value will be kept Modify pixel ratio The ratio pixel width pixel height will be width ra tio height ratio Show statistical properties of a window on the console or store it in a file The proper ties can be calculated for the current region or the
45. e MICRESS 6 installation directory Let s consider that you would like to plot the average grain radius over time This information can be found in the Grain Growth TabK file see Figure 6 3 in the Grain Growth result directory The details for this procedure are explained in Fig 6 2 gnuplot Command Line gnuplot gt cd C Desktopihesults Grain Growth gnuplot set nokey gnuplot gt set ylabel Him gnuplot plot Grain Growth TabK tx u 1 2 w lw gnuplot fix AO k x m gnuplot RO 1 gnuplot gt k gnuplot gt m gnuplot gt fit x Grain Growth TabK txt u 1 2 via RO km gnuplot gt replot f x w lines gnuplot print R0 RO um gnuplot print k k gnuplot print m m gnuplot pause 1 Figure 6 2 Command line input for plotting data and fitting curves First specify the path of the respective result file Then label the axes of the desired plot If you do not wish to have a legend use the command set nokey Since this is a 2D plot only labels for the X and the Y axis are necessary This is done with the commands set xlabel and set ylabel resp The time t for microstructure evolution will be plotted along the X axis and the grain radius in micrometers will be plotted along the Y axis The columns of the data to be plotted are specified by typing e g plot Grain Growth TabK txt u 1 2 w lw 2 where u 1 2 indicates that column 2 of the table see Fig 6 2 shall be plotted over column 1 by using
46. e time steps and iii multiple result files simulta neously 0 2 Read and handle a single result file for a single time step To begin with read the result file for conc2 from the Results Delta Gamma folder in your MICRESS installation directory ILI After the data file has been loaded in Sm rh WR Som TR DP MICRESS go to the result at the time of 25 Hien Gamma cone Ieper 0 122 0 2450 DOT 5 mm 245x1x154X0 edis t seconds either Dy using the Next button Or the J ump S function See Figure 8 2 Then remove all text annotations from the figure View Annotations See Figure 8 3 Next increase the thickness of your colour scale by going to View Increase 96 08 S thickness of colour scale See Figure 8 4 Set ls three fold symmetry to make it look like a dendrite E This can be done using the function Display gt li Three fold Symmetry See Fig 8 5 i too Deka Gamma conc2 X 110245 1 of 1 Z 110 1500 Time Os zd Sick Deae PRaceimmewe HOT RL Snap to c Up Prey timestep Down Best timestep ExiCck Virimdaw mese and geoup mena Figure 8 1 The Delta Gamma conc2 result file You can toggle on and off the scale bar with the function View Annotations Click several times on Annotations until you toggle it off Repeat this action to toggle it on again Set the scale bar to a typical value e g 100 mi crons For that purpose go to scale gt set range MICRESS User Guide
47. ed for an optimal configurating It does not matter which mcr file you will select Once you have selected one and given it a respective name to which it shall be converted click on the Export option at the bottom of the window To get a VTK format from a new MICRESS simulation choose overwrite vtk binary zip in the driving file sec tion Name of output files The VTK format results for all field variables especially 3D for the output time steps The time step number will be inserted before the extension vtk To see how to open an existing VTK file in ParaView please refer to chapter ParaView MICRESS User Guide Volume Il Running MICRESS 63 76 Chapter 8 Post Processing Exercises 0 Post Processing Exercises 8 1 Introduction to post processing exercises with DP MICRESS This chapter presents a few examples of post processing using DP MICRESS All exercises on post processing are based on the Delta Gamma example available in the MICRESS installation directory Not everything simulat ed here may be meaningful in terms of metallurgy The same example is however used for didactic reasons with the aim to demonstrate the general approach when post processing MICRESS results The given exercises should be performed interactively Three exercises will be presented separately within the next sections starting from post processing of i a single result file for a single time step ii a single result file with multipl
48. een frames in animation seconds 0 5 Figure 4 35 Useful settings 4 3 Hotkey chains As presented in Figure 4 36d DP MICRESS always informs the user about the currently possible shortcuts to modificate an active result file The shortcuts are organized in way that they are combined out of a sum of the first letter of the superordinated window rubric plus another fitting letter Since there are collosions in Animation and Annotations Annotations is supplied with another nomenclature Correspondingly Table 4 3 sums up all the available shortcuts Gamma Alpha conci mcr X 1 to 250 Y 1 of 1 Z 110 250 Time 11s fi Drag Move window D click Maximize restore Figure 4 36 The usable shortcuts for further working on the active result file MICRESS User Guide Volume II Running MICRESS 43 76 E ed Chapter 4 Running DP MICRESS Table 4 3 The shortcuts being available for DP MICRESS amp Rubric Function Hotkey File Open solution f40 Reload all solutions f Export window contents as dataset f d Export group as image f Quit f4q Window Tile arrangement wa Tile windows wt Cascade windows WE Set window sizes W Fit window sizes w Fit main window size wm Duplicate all windows w d Close all windows wt Content 3D XY cutting plane 34 XZ cutting plane 34y YZ cutting plane aep Cutting plane up 3 U MICRESS User Guide Volume Il Running MICRESS 49 16 U G Chapter 4 Running DP MICRESS
49. ent phases is much bigger than the variance inside each phase In order to draw the isolines select Content Isoline settings and configure the desired isoline parameters in DP MICRESS shortcut d A completely different approach would be to use the content operations see chapter 4 2 3 to create a new result file by combining various MICRESS outputs You can e g use the fact that phase and grain boundaries are marked as 1 in the phas output and combine this information with a concentration output For that purpose use the following approach e specifiy a new result window e select the inputs phas as a and concl as bh e Specify an operation in Muparser syntax such as a 2 1 0 b e preview or confirm the operation e exportthe new dataset as data or image The new result will be like the original concentration output but with the concentration value 0 along all grain and phase boundaries Combining different MICRESS 8 outputs in general you could obtain any type of graphical visualisation you need For example if you would like to have only phase boundaries marked you can use the phase fraction outputs 9 4 How to save an animation as a direct output in DP MICRESS There is no direct way to create animations from DP MICRESS What you could do is to export all time steps as a series of images png tif jog bmp If you import all these images at once in PowerPoint they are ordered automatically with respect to t
50. esolution while showing the same content 200 means double width and height and thus four times as many pixels Foreground color optional Color for text and lines format must be a MICRESS User Guide Volume Il Running MICRESS 39 76 4 Chapter 4 Running DP MICRESS hex code like OXRRGGBB default is what was last used in an export from within the program Background color optional see foreground color e ime step commands All following sub commands need to be prefixed with the timestep command All commands are applied on all active windows of the current group Sub command Explanation Arguments next Show next time step previous Show previous time step first Show first time step last Show last time step set Set time step to a specific number If the number is larger than Time step number the amount of available time steps the last available time step will be shown e 34 dimension commands All following sub commands need to be prefixed with the 3d command All commands are applied on all active windows of the current group Sub command Explanation Arguments plane Define which two axes should be displayed and thus which di Orientation xy xz mension should be constant or yz next Move the constant dimension one cell up previous Move the constant dimension one cell down set Set the constant dimension to a specific number If the number Depth cells is larger than the size of the
51. fault is false Additional window ID optional Additional datatype optional All following sub commands need to be prefixed with the colorscale command Most commands are applied on all active windows of the current group The window and dataset ID arguments follow the same rules as de scribed in 4 2 5 1 Sub command show color load position flip gap size range Explanation Show or hide color scale Set color scheme to one of the predefined schemes Valid values are integer values from 1 to 11 Load and use a color scheme from a file File name Set the color scale to a certain position Flip color scale Arguments Visible true or false Color scheme Position One of left right top bottom independent Set color scale gap Gap pixel Set color scale size Size pixel Set color scale range to a fixed minimum and maximum This command can be Window ID optional Default is all active windows MICRESS User Guide Volume II Running MICRESS 42 76 2 o Chapter 4 Running DP MICRESS applied to all or one color scale s No minimum or maximum value will enable automatic mode Mixing automatic mode and fixed values is possible The minimum and maximum values will be calculated from the specified region Minimum value optional Default is auto matic mode Maximum value optional Default is auto matic mode Region optional One of cur timestep or all
52. hanging one s mind after putting this variation into execution and hence going back to current the star or question mark have to be removed manually when considered disturbing Resolution varies the presenting of the group s size Background color and Foreground color change the background an text color of the exported image 4 2 Window This section deals with the arrangement of the windows which are active datasets opened as one group by DP MICRESS There can be created several groups which is described in section Grouping 4 2 9 The selection can be removed by pressing Close all windows Right clicking on the window bar opens an context menu which provides additional action e g closing a dat set window Double clicking maximizes resp minimizes the data set window 4 2 2 1 Tile arrangement This tool refers to the field in which an Bl Display Micress 20414 active dataset can be revealed So DP MICRESS makes use of a grid lay 9 amp A A A neie ez EDEN t tx out This grid s size can be varied by the Group 1 i Tile arrangement tool Either width or 1 mg3al_2 frac Time 2 5 29 2x0 002x2 mm 1000x1x1000 cells height are varied the other values are adjusted automatically according to the fitting window size Applying this is done by Tile windows See the next passage cs ETC fixed column count 1 SN Set custom tile arrangement Tile arrangement settings become es peciall
53. he following or previously time step 3 see Figure 4 3 Likewise it is also possible to choose a certain time s manually see Figure 4 2 1 Figure 4 2 The animation s different time step options Figure 4 3 Manual time setting Bd Display Micress 2 0 414 File Window Content Annotations Si we o re Time s 2 5 0 Group 1 05 1 mg3al 2 frac Time 2 5 6 2 k Animation Virtual EDX Mouse pointer xz j1 ANR x x mm 1000x1x1000 cells 4 1 2 Coordinate system choice 3D data sets can only be displayed in 2D axis parallel slides whereas XZ XY YZ define the visible dimensions and the reference unit the position in the 3 dimen sion The 2D can be done by selecting the coordinate system together with its reference unit So the reference value can be a number from 1 to 75 moving virtually through the datasets volume As Figure 4 4 reveals the mid Y location of the XZ plane takes the value 50 in a 100x100x100 dataset A more detailed de scription of this principle can be found in the introductory passage of Section 4 4 Content Figure 4 4 Coordinate system MICRESS User Guide Volume II Running MICRESS 17 76 4 Chapter 4 Running DP MICRESS 4 1 3 Mouse pointer tools There are a few functions highlighted for quickly using these in a handy manner see Figure 4 4 Apart from highlighting these tools in the task bar the same tools can be found in the rubric Mouse poin
54. he output time After aligning them all together e g top and right you can create an animation This is quite straightforward and fast Alternatively you could use a Linux tool like convert to make an animated gif from the individual images MICRESS User Guide Volume II Running MICRESS 73 76 Chapter 10 References 10 References Further information and additional reading can be done at the web sites of the corresponding freeware for MI CRESS post processing e forDP MICRESS www micress de e for ParaView www paraview org e for gnuplot www gnuplot info MICRESS User Guide Volume II Running MICRESS 14 16 Chapter 11 Literature 11 Literature 1 B B ttger J Eiken Steinbach Phase field simulation of equiaxed solidification in technical alloys AC ta materialia 2006 Vol 54 pp 2697 2704 2 B B ttger J Eiken M Apel Phase field simulation of microstructure formation in technical castings A self consistent homoenthalpic approach to the micro macro problem J Comput Phys 2009 pp 6784 6795 3 W T Read W Shockley Dislocation models of crystal grain boundaries Phys Rev vol 78 n 3 1950 pp 275 289 Gonz lez G M A phase field model study of two dimensional dendritic growth in thermal solidification processes s l Master Thesis Supervisor R G Cinca Departament de F sica 4 i 5 cl Gupta S G The classical Stefan problem basic concep
55. hows the result for the first time step Use the buttons next and last to view the results for the next time steps The graphical user interface is explained in detail in the following chapters starting up with a brief visual summary explaining the start window See Fig 4 1 The quick start bar is described followed by a more detailed perspective explaining the entire spectrum of the available functions MICRESS User Guide Volume II Running MICRESS 15 76 eq Chapter 4 Running DP_MICRESS 4 4 E Di DI o ETE 1 BI ie 9 d Group 1 X Group2 X i eE 4 Gamma Alpha conc1 mgf Time 11 22 36 0 0885x0 00025x0 0625 mm 250 DN Gamma Alpha conc2 mcr Time 11 22 36 0 0625x0 00025x0 0625 mm 250 Ar fna Alpha conc1 mcr X 1 to Mes Of 1 Z 1 to 250 Time 11s Gamma Alpha conc2 mcr X 1 to 250 Y 1 of 1 Z 1 to 250 Time 11s e Vila Move window D click Maximize restore amp xClick Active menu Figure 4 1 The DP MICRESS start window 1 The taskbar enables all the functions to modificate the active result files The quick start bar contains some central frequently used applications of the taskbar 2 3 Several groups can be created and though selected as being active So different result files are ob servable 4 The proceeded hotkeys are shown 5 Presenting a data file with it s characteristics and current classifications above and below the simula tion
56. ht top bottom tion Set information box size Size pixel Set information box text content Content String Show or hide MICRESS icon Show true or false MICRESS User Guide Volume Il Running MICRESS 43 76 4 Chapter 4 Running DP MICRESS e Vector commands All following sub commands need to be prefixed with the vector command Most commands are applied on all active windows of the current group The window and dataset ID arguments follows the same rules as described in chapter X 4 1 Sub command Explanation Arguments show Create a new window and show a vector Background window ID dataset Horizontal dataset ID Vertical dataset ID grid Set vector grid size Grid size pixel cutoff Set threshold for minimum and maximum Minimum value optional 2 length No value means no thresh Maximum value optional type Set visualization type to arrows or lines Visualization One of arrows lines color Set visualization color Color Hex code like OXRRGGBB e soline commands All following sub commands need to be prefixed with the isoline command Most commands are applied on all active windows of the current group The window and dataset ID arguments follows the same rules as described in chapter 4 4 1 Sub command Explanation Arguments set Set values for isoline generation Value s Infinite value arguments possible norm Set values for isoline generation to n uni Value count formly distributed value
57. in DP_MICRESS The left dataset Shows the concentrations of C and Mn at the time step of 27 s while the figure right shows the zoomed in phase distribution at 30s MICRESS User Guide Volume Il Running MICRESS 10 76 RE Chapter 8 Post Processing Exercises E EN Display MICRESS 7 1 2 Lola x File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scripting Options Help Group 1 XJ 7 Delta Gamma conc1 Time 27 15 22 0 245x0 001x1 5 r 8 Delta Gamma conc2 Time 27 15 22 0 245x0 001x1 Mouse pointer selection Figure 8 13 Delta Gamma conc1 and Delta Gamma conc2 at the same time step MICRESS User Guide Volume Il Running MICRESS 11 16 Chapter 9 Useful Information and FAQs 9 Useful Information and FAQs 9 1 Why can I not open a certain 3D output file by DP MICRESS The important question whether you can open a MICRESS result file with DP MICRESS is the size of the ge ometry As the result files are compressed the shown file size is not relevant First the files have to be decom pressed before being loaded into the memory Normally if MICRESS amp is able to calculate and write the results DP MICRESS should be able to open them even it if may take quite a long time If you are facing problems with opening a MICRESS result file with DP MICRESS you should first check whether there is any other reason why the file cannot be opened Such reasons ca
58. ine linetime point value Time step from optional Integer number or cur for current default is cur Time step to optional Integer number or cur for current default is cur Mode One of line linetime point value Time step from optional Integer number or cur for current default is cur Time step to optional Integer number or cur for current default is cur Filter value optinal If a x value equals this MICRESS User Guide Volume II Running MICRESS 45 76 Chapter 4 Running DP MICRESS value the corresponding cell will not be included in the export Search value optional e Anchor commands All following sub commands need to be prefixed with the anchor command The window and anchor ID argu ments follows the same rules as described in chapter X 4 1 Sub command Explanation Arguments add Add new anchor to a window If no label Window ID coordinates are given the label will be Haad x placed close to the head Head Y Label X optional Label Y optional Move an anchor and its label If values are Anchor ID unspecified they will not be changed move Head X optional Head Y optional Label X optional Label Y optional text Setan anchor s text Anchor ID head Specify an anchor s head appearance Anchor ID Mid Head One of arrow point plain foreground Set foreground color text and lines and Anchor ID opacity If only one value is specified the other will s
59. ing an e mail to documentation micress de MICRESS handles e 1 2 and 3 dimensional calculation domains e arbitrary number of components phases and grains e Solid solid and solid liquid interactions e anisotropy of grain boundaries mobility and energy MICRESS supports e coupling to thermodynamic databases via the TQ interface of Thermo Calc Chapter 2 Introduction In the present MICRESS 6 Vol 3 post processing you will find e anoverview of the different MICRESS result files e anoverview of the available software for post processing of MICRESS result files e a short overview of the functions of DP MICRESS ParaView and gnuplot e examples of possible data post processing e some useful information troubleshooting and frequently asked questions A description of the phase field phenomenology and theoretical background can be found in MICRESS Vol 0 Phenomenological Background MICRESS Vol MICRESS Installation provides information about the installa tion of the software and explains how to use the software with the help of an example MICRESS Part Ill Post processing explains the possibilities the user has while treating output results MICRESS Part IV Examples con tains a collection of examples for simulations performed on various topics MICRESS User Guide Volume II Running MICRESS 7 16 Chapter 3 Post P rocessing 3 Post Processing 3 1 Introduction to MICRESS Post Processing Before
60. lt Show Dataset Time NO e CO Wu C DA a EI W a Gamma concZ co fF com co MC cC c MCI gt Je c BN na Om c Cc a RR Fb E P t ER gt me 4 Di io NO NO NO NO e e e e J J J J 41b 41b ER 41b sul mb uli mb SE mih mE mb web S 3 KR ER 41b 41b KR 41b 41b KR KR 41b lt C iGamma concZz N e N N e y R CO Cen e 4I Di NO e J co en e N N N c c ta Fa Fa DR DP DE i di Er ES EN SS TI e e e e E e e e e e o 3 KER ER 41b 41b 41b 41b ER KER KER 41b 2E N e H N Cn ges Co N ce ER 41b ER 41b ER 41b ER UN M 850 764 UNE co CO oo dir air y C c A opo LX 207 Figure 8 9 Generating virtual EDX output for selected time steps 8 4 Read multiple result files This example demonstrates how to treat multiple result files at a time First read simultaneously the result files for the concentration fields of C and Mn and the phase distribution Delta Gamma concl mcr Del ta Gamma conc2 mcr and Delta Gamma phas mcr For that purpose select the three files in the DP MICRESS window when starting DP MICRESS The three result files will be displayed in the same graphic window see Figure 8 10 left Hence zooming in simultaneously on all displayed results can be accomplished as well For that purpose use the option Mouse pointer gt Zoom and move to zoom in after having plotted simul
61. lume II Running MICRESS 14 76 Chapter 4 Running DP MICRESS 4 Running DP MICRESS Display MICRESS short name DP MICRESS is a post processing tool with a wide span of possibilities ranging from basic display and image output to advanced features such as zooming multiple display build in symmetry options animations and virtual EDX analysis It can handle several files simultaneously DP MICRESS is prefer entially used for reading and post processing 2D and3D MICRESS 6 output files Nearly all of the functionality of the graphical user interface is scriptable for batch processing It reads result files in binary single and double precision native or not and ASCII format both compressed and not compressed Moreover it performs conversions between these formats This post processing tool can be freely downloaded from the download area at www micress de Display MICRESS can also be called from a shell providing the name of the result file s to be displayed It can be called by entering e g DP MICRESS Delta Gamma intf mcr in the command line where the name DP MICRESS serves here as a place holder for the name of the current binary for the software e g DP MICRESS 7 1 2 x64 The software also takes a DP MICRESS script as a command line argument see chapter 4 2 10 for scripting Windows user can simply drag and drop result files to the DP MICRESS icon or double click on the result files to open them DP MICRESS always initially s
62. ly with the zooming region Timesteps and display mode whether the actual timesteps or all timesteps can be selected Conse quently a window is popping up revealing a visualiza tion as graph or table This graph can be varified by setting several characterictics in a desired format For example the lines can be set differently in their color or thickness Exporting the results as table is only possi ble when visualizing the graph and not as table before hand E Edit ratio Ratio width height 1 wv OR Preview Close Figure 4 15 Ratio As a prerequisite for the practical Operations tool there has to be selected or also created a window on which the operations are applied Here also more than one dataset can be selected by pressing the Plus button In this way the number of utilized datasets will be increased The dataset which should be manipulated needs then to be specified by selecting the utilized datasets explicitly The maximum number of possible datasets is 22 MICRESS User Guide Volume Il Running MICRESS 25 76 Chapter 4 Running DP MICRESS Basically this function comprises a mathematical variation of a dataset To each dataset belongs a parameter appearing as a letter This parameter serves for a comparison between several datasets and is used entering mathematical commands For example it can be squared Clicking on Help and then on Command reference leads to an online list
63. n be limited disk space limited memory of the computer or too slow operation via a network If the 32 bit address space is limiting you should get a corresponding error message With DP MICRESS 7 x you have the possibility to influence the memory usage of DP MICRESS see chapter 4 2 11 Options gt Edit settings gt Memory First method to try is to raise the maximum memory usage for timestep caching to make minimally one timestep fitting in the memory Second method is to raise the size limit for caching files at all and make DP MICRESS to read the file each time for disk This would only be some kind of performant for uncompressed files Uncompressing can be done easily with every Zip program If this is not the case make a backup of your result files and use DP MICRESS 6 1 to reduce the size of the file You can try the following options e Use DP MICRESS 6 1 to transfer the files to vtk format without displaying them You can do this either from the graphical interface of DP MICRESS or in the command line by entering DP MICRESS VTK new file vtk source phas Several source files can be specified e g concl and phas Even if you may get the feeling that the procedure does not work it should produce a correct output You will probably need a 64bit ParaView version to display the vtk results e Use DP MICRESS 6 1 to reduce the resolution of the outputs by a factor of 2 Typically you do not need full resolution for viewing the resul
64. ng DP MICRESS Some arguments are optional All optional arguments can be replaced by the sign which means that the de fault value of the argument will be used If a command ends with optional arguments the trailing signs can be omitted Some arguments expect a list of integer numbers This list must contain comma separated numbers without spaces Dashes can be used to express series of numbers An example list is 1 2 3 5 meaning 1 2 3 4 and 5 e Window commands All following sub commands need to be prefixed with the window command and apply on all active windows of the current group if not specified differently Some sub commands require window IDs These can be specified directly by referencing the number shown at the beginning of the header of a window Another way is to use nega tive IDs to reference the newest windows For example 1 would be the newest window 2 the second newest window and so on A window is newer than another if its ID is larger The same holds for group IDs Sub com Explanation Arguments mand add Open a dataset and display it in a new window If one File name A relative or absolute dataset is opened it will be added to the current group for path to a dataset file multiple datasets a new group will be created The file name argument can be repeated to open multiple files tile Tile windows With arguments it is possible to sort the Sorted optional true or false to windows accordi
65. ng to their windows ID If not all windows enable or disable sorting Default is IDs are given the rest will be sorted from low to high false numbers Window ID optional Specify which windows should be at the first posi tion This argument can be repeat ed to specify the ID for the second third position cascade Cascade windows fit Fit the windows sizes to their contents reducing the amount of unused space maintit Fit the main windows to the current group s content such that all windows are visible and no empty space is visible Size Set window sizes to a specific size in pixel The specified Width pixel size will apply on the rendered dataset meaning that with Height pixel annotations the actual window size will be larger Jaap move Move a window to a certain position inside the group The Window ID position is relative to the upper left corner of the group Horizontal position pixel Vertical position pixel arrange Specify how tile should arrange the windows Itis possi Mode auto rows or columns ble to specify a fixed row count a fixed column count or use automatic mode Count has to be specified for rows Count optional MICRESS User Guide Volume Il Running MICRESS 38 76 4 Chapter 4 Running DP MICRESS and columns for auto the count will be ignored active Set active state of windows Window ID optional If specified only one window will be affected otherwise
66. ngthscale i Bottom Set content Setsize EN Show hide icon Figure 8 5 Changing to three fold symmetry Generate a virtual EDX using the function VirtualEDX gt Pick points lines with mouse gt Show line data See Figure 8 6 With the virtual EDX you can e g determine the concentration profile ahead of the dendrite tip scan concentration across a number of secondary dendrite arms or determine the liquid composition at a point close to the upper boundary Furthermore you could add an isoline at a suitable composition in a small distance in front of the dendrites This can be done using the menu Content Isoline settings To display the contours of the isoline select Normalize and click on OK Repeat the action to toggle off the isolines and go back to coloured view See Figure 8 7 MICRESS User Guide Volume Il Running MICRESS 65 76 Chapter 8 Post Processing Exercises Hoen 0 eng File Window Conten Annotations Animation Virtual EDX Mouse pointer Grouping Scripting Boo c m ime is xz eli E Be aly Rl Value graph 7 sie es Group 1 Let 1 Geta Gamma concz Time 25 13 22 0 245x0 00131 5 rmm 245x 131500 celis e np rre uL 1 05 mE 1 m 5 305 gt 0 9 CH S 0 85 sai aee 0 75 2 We 0 50 100 150 200 250 300 distance in um Show Dataset Time FronX ToX FromY Toy From Z ToZ Copy Copy Close mE ahe al 245 5806 Cet 147450 is 1 068451
67. nter tools e Pick points and lines with coordinates an exact indicating of the coordinates where points and lines shall be created is possible The lines and points can be removed alike the taskbar options Field cell This tool comprises the same application as the MICRESS cell pointer where 3d coordinates are transformed into 1d coordinates Show line data makes it possible to take a look at the pathway of the values on the line going from the starting point to the line s end point In the popping up default window the line width can be modified manually which is then valid for all selected graphs This window is applicated in all edx functions and can be enlarged or decreased by sliding it Conveniently there can be zoomed in the graphics and zooming out is done consequently by click ing One row represents a line and when having selected a row this is verified by a tick Removing a specific line from the graph presentation can be simply managed by unchecking the corresponding row hence this is reversed by clicking on the row a second time By double clicking on the file s designation manipulating the graph s color is possible In the field Time a specific time step can be selected In contrast to the tool of unchecking a row a removing of a graph by clicking on the x is definite Reactivating the graph requires a second file loading MICRESS User Guide Volume Il Running MICRESS 31 76 Chapter 4 Running DP MICRESS
68. ocess is called recording Scripts can be exe cuted from the internal script editor via hotkeys or at the startup of Display MICRESS 4 2 10 1 Wnting scripts TET As script files are plain text files FC DP Micress zcnpting console bal Command 1 Figure 4 32 The scripting console colorscale content edx group infobox isoline lengthscale quit repeat reset 3d anchor they can be written in any text editor However it is recom mended to use the internal edi tor within Display MICRESS to benefit from syntax highlighting and command references The editor called scripting console can be invoked via Show script ing console in the Scripting menu The editor consists of three sections The lower left section is the editor area where the user IS able to write text The area above the editor area called information area is used to display information about the current command Every command is defined in a single line and consists of a main command a sub command and command arguments While the user enters his commands the information area will display what the user MICRESS User Guide Volume Il Running MICRESS 35 76 Chapter 4 Running DP MICRESS has to enter to get a valid command In practice this means that as soon as the command and sub command have been entered a list of expected arguments will be shown Some arguments are optional they will be written in n
69. onc2 Time 2 2 mg3al 2 frac Time 0 1 29 2x0 002x2 Figure 4 11 Fit window sizes above and fit main window below MICRESS User Guide Volume Il Running MICRESS 23 16 Chapter 4 Running DP MICRESS 4 2 2 5 Duplicate This tool creates an exact copy of the dataset s current time step and in general of the current settings in the same group 4 2 3 Content These tools change the perspective from which the simulation is observed Moreover they enable a manipulation of several parameters depending on the user s needs Based on all applications is the idea of watching a certain unit for example a cell Moving between e g 1 and 75 depending on data set where every number is a layer of a cross section This works by moving virtually through the cell s volume When entering 1 the front is revealed the higher the numbers become the distance to the front gets bigger Finally the number 75 stands for the backside of the cell A coordination system can be chosen here Cutting plane up and Cutting plane down enables a scrolling through the several layers 4 2 4 Repition and mirroring This tool refers on one chosen active dataset and duplicates the dataset in a specific manner So firstly there has to be decided whether this tool is applied horizontally or vertically For both the same operations can be execut ed Then the dataset can be repeated by stringing the same files together twice or three times This is the
70. ormal text style whereas required arguments will be written in bold The yellow background shows in which command argument the text cursor is currently located To the right side of the editor area the choice area is located In this area all possible keyword which the user can currently write are displayed These keywords can be inserted into the text by double clicking them or by pressing the tab key during editing in the editor area If multiple keywords are available while pressing the tab key only the leading characters which are equal in all possible keywords will be inserted All valid keywords are written in lower cases If a keyword begins with an upper case character this indicates that the user has to replace this keyword by its meaning An example would be Integer where the user has to enter an integer number Commands are separated by newlines and command arguments are separated by spaces If an argument needs to contain spaces it can be enclosed by quotation marks If the first character in a line is the line is considered to be a comment and is thus ignored during execution For easier reading of the command lines they are highlighted according to their syntax Valid commands will be written in blue valid arguments in green and invalid text will be written in black If a command line is invalid its background color will be red valid commands will have a white background color As soon as a command line is valid it can be executed
71. otted For that purpose exit the present plot with the three figures and re plot only the files Delta Gamma concl mcr Del ta Gamma conc2 mcr Set the time step for both to be equal e g 27 s Then run DP_MICRESS script in slot 1 Scripting gt Execute script 1 diff The difference between the two plots will be displayed in the same graphics window To display the evolution of a quantity e g the carbon concentration in time copy e g Del ta Gamma concl mcr to Delta Gamma_conclb mcr and then read these two files original and copy navigate them in dissociated mode and generate the difference between two different time steps MICRESS User Guide Volume Il Running MICRESS 69 76 ed Chapter 8 Post Processing Exercises E Display MICRESS 7 1 2 v egen a File Window Content Annotations Animation Virtual EDX Mouse pointer Grouping Scripting Options Help me ia r o Time s 30 I xz 1 E AR E de Group 1 XJ 1 Delta Gamma conc2 Time 27 15 2 5 Delta Gamma phas Time 30 17 22 6 Delta Gamma phas Time 30 17 22 Delta Gamma conc2 X 5 to 7 Ed Deta Gamma phas X 55 to T d Delta Gamma phas X 55 to 171 Y 1 of 1 Z 3 to 530 Time 27s Y 1 of 1 Z 39 to 368 Time 30s IQ Y 1 of 1 Z 39 to 368 Time 30s L e ds i dee 15 1 1 14 0 5 0 5 1 0 0 0 9 0 5 0 8 Figure 8 11 Dissociated navigation of multiple result files plotted simultaneously
72. rid size cell dimension hStr mcr provides information about the hydrostatic stress when the stress coupling is activated intf mcr provides data fro tracking the interface korn mcr a graphical output for the grain field containing the numbers assigned to grains in a consecutive manner during their definition in the initial grain structure or their nucleation during runtime krum mcr gives information about the interface curvature MICRESS User Guide Volume II Running MICRESS 9 76 G Chapter 3 Post Processing nile ZE rest mcr contains data necessary to restart a simulation this binary file is for internal use by MICRESS and cannot be post processed rex mcr lists the stored energy SXXCV mcr also sxyCV sxzCV syyCV syzCV and szzCV components of the stress tensor xxCV yyCV zzCV are the diagonal elements in the 2D 3D case sxyCV sxzCV syzCV are off diagonal terms torsion respectively The output is available when stress coupling is activated temp mcr For the temperature in Kelvin when temperature coupling is activated It can be also used for plotting temperature distance profiles uxCV mcr also uyCV and uzCV They record the normal displacements when the stress coupling Is activated vel mcr gives outthe interface velocity yxCV mcr also vyCV vzCV syyCV syzCV and szzCV components of the stress tensor XxCV yyCV zzCV are the diagonal elements in the 2
73. s reaching from the minimum to the maximum values of the current region color Set color for isoline visualization It is pos Inner color Hex code like OXRRGGBB sible to specify multiple color pairs up to Outer color Hex code like OXRRGGBB one for every isoline value If fewer colors are specified the first lines will have cus tom colors and the last lines will have the color of the last specified color width Setthe width of the isoline visualization Width pixel timestep Enable or disable preservation of isolines Preserve true or false of different time steps on time step change transparency Set background transparency Transparency 96 source Define which dataset should be used for Window ID isoline generation in a specific window If no dataset is specified the visible content including operations will be used for gen Dataset ID optional MICRESS User Guide Volume II Running MICRESS 44 76 4 Chapter 4 Running DP MICRESS eration Save isoline contour values in an ASCII file The export can be done for all or the current time step and for the current region or the complete dataset geometry export All time steps true or false Complete dataset true or false File name e EDX commands All following sub commands need to be prefixed with the edx command Most commands are applied on all active windows of the current group The window and dataset ID arguments follows
74. sages p e by the Export group as im age application See Fig 4 6 More detailed information on the Export window contents as dataset applica tion you will find in Chapter 7 Data conversion mcr to vtk In Figure 4 6 the settings for an image export are presented There are several image formats available The tif format is especially recommendable when dealing with uncompressed files but consumes also a lot of storage space because of the high quality standard Also the selection can be restricted to the actual needs This means the numer of used timesteps or the 3 dimension Moreover the picture quality can be changed in general by modifying the resolution Export image IEEE 2 all multiple 1 2 3 4 3rd dimension e at all multiple 1 2 3 4 Dmp Resolution S c rrent custom size 100 Background color Foreground color daB e Export 3 Close Figure 4 6 The formats and options for saving the result files as images The format of which is made use for a MICRESS data file is the MICRESS standard format VTK is a format used by Kitware s visualisation toolkit VTK and is very common in scientific image processing and visualisation There are two versions available On the one hand binary is a compact non human readable data format On the other hand exporting results as ASCII data can be used for small data sets to check the results manually An uncompressed ASCII data files consumes much more
75. st see also section 4 2 10 3 Grouping Execute script 1 Execute script 2 Execute script 3 Execute script 4 Execute script 5 Execute script 6 Execute script 7 Execute script 8 Execute script 9 Execute script 10 71 Time 0 Fal Edit custom scripts Figure 4 33 Executing several scripts and Edit custom scripts MICRESS User Guide Volume Il Running MICRESS 36 76 Yal Chapter 4 Running DP MICRESS 4 2 10 2 Recording scripts It can be very helpful to not write every single command of a longer command chain but just let the scripting console record what the user does To enable this feature recording has to be started via the Record script menu in the scripting console Once recording was started the scripting console will be appended with command lines as soon as the user performs an action within Display MICRESS Generated scripts should always be read and corrected prior to using them because some generated command lines can be needless For example if three EDX points are placed with the mouse three commands will be generated where only the last one would be needed Some of the actions are not plotted for example the line scan export as a table After recording the script be sure to stop recording via the Record script menu Running a script during record ing can potentially produce infinite loops because the executed commands will be added to the script again 4 2 10 3 Default sc np
76. tay unmodified Opacity doesn t EE influence the text Opacity 96 optional background Set background color and opacity If only Anchor ID one value is specified the other will stay i Color optional Hex code like OXRRGGBB unmodified Opacity 96 optional arrow Show or hide anchor arrow including arrow Anchor ID head Visible true or false border Show or hide anchor border Anchor ID Visible true or false remove Remove an anchor Anchor ID MICRESS User Guide Volume II Running MICRESS 46 76 4 2 11 Options In the three superordinated categories Appearance Memory and Miscellaneous there are several basic settings selectable Firstly in Appearance the font its size and the window colors of the DP MICRESS layout can be chosen Secondly Memory contains important features providing a smooth operation See Figure 4 34 Maximum memory usage for timestep caching limits the amount of memory which will be used for caching time steps in main memory which are shown before Raising this limit will smooth the stepping through time steps esp for large datasets Don t cache timesteps which are larger than 9o of cache memory This parameter allows to control the granularity of the time step cache It depends on the size of the data which percentage of cache memory is a useful setting The pretty small default value is chosen to hinder few large time steps taking the whole cache memor
77. ter The zooming tool allows a closer observation of certain areas by just moving the E cursor in any direction and hence opening an extract of a certain area The prerequi Site is here to zoom within the open simulation It is possible to move the visible area on the same zoom level by holding the ctrl key while dragging The zoomed in region can be cancelled out by clicking once If having moved as well a simple clicking switches back to the originally zoomed in area again By clicking a second time the Zooming is reversed too The rectangle drawer enables a change in scaling and also makes use of these as values for the color scale s minimum and maximum values A simple clickling reac tivates the automatic settings of the color scale The points and lines tool reveals the properties of one single point in a label When e adding another point the two points are automatically connected by a line This line X generates a direct comparison by seeing the distance and the angle between the two points By clicking twice on a certain point it will be removed The transparency of the labels depends on the cursor s position just when clicking on a point the label is read able So when creating a new point the other points become transparent Lines and points can be moved by dragging them When removing a line the two related lines at the two ends are connected to each other automatically A double clicking on a line removes the point
78. the same rules as described in chapter X 4 1 Sub command points cells line show export Explanation Set X Y Z coordinates of EDX points It is possible to specify an infinite amount of coordinate triples Invoking this command will delete all previously existing EDX points Set cell pointer coordinates of EDX points It is possible to specify an infinite amount of cell pointers Invoking this command will delete all previously existing EDX points Select a default EDX line Invoking this command will delete all previously existing EDX points Show EDX analysis in a graph window The five available modes are Show line data line Show line data over time linetime Show point data over time point Show value on line over time value and Show non zero values on line over time nonzero The time step values can be adjusted in the script all other val ues have to be adjusted in the graph win dow Export EDX analysis values as table For available modes see edx show The time step values can be adjusted For the mode value the value can be set with the Search value attribute Arguments Window ID optional No ID means all ac tive windows X Coordinate cell Y Coordinate cell Z Coordinate cell Window ID optional No ID means all ac tive windows Cell pointer Position One of left right top bottom horizontal vertical ascending descending Mode One of l
79. ts For that purpose enter DP MICRESS Rescale 1 2 w newfile source in the command line Alternatively you can use the Graphical Interface Transfer Then you should be able to view the new result files with lower resolution in DP MICRESS If neither of this helps you can still rerun the MICRESS 8 simulation and write the outputs directly with smaller resolution The resolution can be specified in the geometry input of the driving file as a second optional parameter to the grid spacing 9 2 How to calculate the intf output The intf is an integer output According to the number of combinations of pair wise phase grain interactions it is equal to e 1 in dual interfaces e 3 in triple junctions e 6 in quadruple junctions MICRESS User Guide Volume Il Running MICRESS 72 16 Chapter 9 Useful Information and FAQs e 10 in quintuple junctions It is defined in all regions where the fractions are between phMin and 1 phMin together with the direct neighbour grid cells where one of the fractions is 0 or 1 In the remaining region the value of intf is 0 9 3 How to combine phase boundaries and concentration in DP MICRESS The simplest way to combine phase boundaries and concentration outputs in DP MICRESS would be to draw isolines at a given composition which approximately corresponds to the value in the middle of the phase bounda ry This works sufficiently well only if the difference between the concentrations of the pres
80. ts modelling and analysis s l Elsevier Sci ence B N 2003 0 444 51085 H Kasajima E Nagano T Suzuki S G Kim W T Kim Phase field Modelling for Faceted Crystal Growth of Silicon Science and Technology of Advanced Materials 2003 Vol 4 pp 553 57 6 cl 7 H Meekes S X M Boerrigter F F A Hollander P Bennema Needle Crystal Morphology Explained Chem Eng Technol 2003 Vol 26 p 3 8 Meirmanov A M The Stefan Problem De Gruyter Expositions in Math 3 1992 9 EL LL G Muller TJ Metois and P Rudolph Crystal Growth from Fundamentals to Technology s l Elsevier B V 2004 0 444 51386 8 10 Reed Hill R E Physical Metallurgy Principles s l PWS Publishing Company Boston 1994 0 534 98236 0 11 Y Saito G Goldbeck Wood H M ller Krumbhaar Numerical Simulation of Dendritic Growth Physical Review A 1988 Vol 38 p 2148 12 Schmidt A Approximation of Crystalline Dendrite Growth in Two Space Dimensions Acta Math Univ Comenianae 1998 Vol LXVII pp 57 68 13 Stefanescu D M Science and Engineering of casting solidification s l Kluwer Academic 2002 0 306 46750 14 Steinbach Phase field Models in Materials Science Modelling Simul Mater Sci Eng 2009 Vol 17 15 Y Zhang D Li Y Li Numerical Simulations of Equiaxed Dendrite Growth Using Phase field Method J Mater Sci Technol 2002 Vol 18 p 51 16 Eiken B Bottger
81. ts startup script and command line use One way of executing a script is to load it in the scripting console and execute it For scripts which are used very often there is a more convenient method Custom scripts There are ten custom scripts which can be executed via the Display MICRESS Scripting menu or by a simple hotkey combination To edit these scripts use Edit custom scripts in the Scripting menu and select one of the custom scripts This essentially opens a scripting console with an opened file which can be edited and saved Please don t use the Save as feature because this would save the custom script as a new and unrelated script The custom scripts will automatically be saved in the user s home directory and are thus personalized for every user The first line of the script file contains a comment where the user can enter a name for the script this name will appear in the Scripting menu There is an eleventh custom scripted called Startup script The startup script behaves like any other custom script with the addition that it will be run automatically after every startup of Display MICRESS 2 If the user passed filenames to Display MICRESS at startup it is guaranteed that the files will be loaded before the startup script is executed The last two ways of running a script file are command line arguments When starting Display MICRESS 2 the user can add the keyword script followed by the filename of a script file This will res
82. ult in the script being load ed and run after all data files have been loaded and after the startup script was executed The script keyword cannot be followed by multiple script files but it is possible to use the keyword multiple times If this is done the scripts will be executed in the order in which they were specified The second command line argument for script execution is console This argument behaves like script with the exception that the graphical user interface will be created but will stay minimized and thus in the background It is recommended to end scripts with the quit command if they are invoked with console as this will create a behavior where Display MICRESS 2 starts up executes a script and then closes itself without any user interference 4 2 10 4 Sc npt language definition Most of the scripting commands consist of a main command a sub command and some arguments All perform able actions can be grouped in multiple groups which are defined by the main command meaning that actions which are related will share a main command This grouping was adapted for the following sub chapters There exist two commands which don t need any sub command or argument Command Explanation reset Reset the application as if it was closed and opened again All open files and groups will be closed quit Quit the application All unsaved data will be lost MICRESS User Guide Volume Il Running MICRESS 37 76 Yil Chapter 4 Runni
83. ure 5 6 The ParaView animation bar 5 2 5 Applying filters setting thresholds making sections The clip filter cuts away a portion of the input data set using an implicit plane It returns unstructured grid data on output Some of the possible options here are a slice filter a contour filter a clip filter and others With their help one can easily generate different sections Kitware ParaView 3 6 1 through the calculation aioe TT SS domain BCE Ke SC ES EN ve IS uu MI ee SE 57 16 Figure 5 7 The ParaView bar for creating clips and thresholds Chapter 5 ParaView More detailed information about that and all other features of ParaView can be found in the ParaView user s manual F urther information is available at www paraview org MICRESS User Guide Volume II Running MICRESS 58 76 6 gnuplot gnuplot is a command line driven interactive function plotting utility for both Windows and Linux platforms The software is distributed freely and can be downloaded from the internet along with tutorials and user manuals Gnuplot handles both curves 2D and surfaces 3D Surfaces can be plotted as a mesh fitting the specified function floating in the 3D coordinate space or as a contour plot in the X Y plane For 2D plots there are also many plot styles including lines points boxes heat maps stacked histograms and contoured projections of 3D data The interface includes command line editing and history in most platforms
84. window provides a clear overview on the simulating status quo 4 1 Quick start bar options All taskbar options are applied to the active windows of the actual group By right clickling on the window bar a group member can be either activated or deactivated Beyond there are the options controlling the activating of other groups or the deleting the currently chosen dataset When moving the curser over several fields infor mation about the possible actions and applications in relation to the field on which one is moving are monitored in a special information bar This information bar can be seen at the window s botton MICRESS User Guide Volume II Running MICRESS 16 76 j Chapter 4 Running DP MICRESS 4 1 1 Time settings There are several tools to take a look at the specifically desired animation s time steps By using the field on the left the whole simulation can be watched fluently from the first step to the last step of the animation 1 Moreo ver it is possible to move forward and backwards in time 3 and to switch to the start or end of the simulation 2 The ey program can move to the first or last time step 2 In case of File Window Dalasi 2 putting the some files of the same calculations into execution the last time step is replaced by the latest common time step For instance R1 1 5 and R2 1 10 output on a first click the i 54 and on a second click a 10 step And consequently there Is also a step to t
85. ximum length E very vector being longer than this length is presented as the maximum length Grid size expresses the distance between two arrow centers in the unit image pixels Grid size pixel 25 Cutoff for absolute maximum length 9 automatic fixed 0 Cutoff for absolute minimum length automatic O fixed 0 Vector visualization Arrows Iz Visualization color B8 Figure 4 10 Vector settings MICRESS User Guide Volume Il Running MICRESS 21 16 Chapter 4 Running DP MICRESS 4 2 4 7 soline settings Isolines refer on areas in which the same values prevail So in DP MICRESS they reveal for example consistent concentration values or 0 5 phase fraction line as a representative of the diffuse interface Itis possible to draw multiple isolines in one data set window The respective iso value for each line can be cho sen manually or by calculating an aquidistant value for the currently displayed area of the data set by normalize The Window dataset relation allows to define in which window an isoline of the used dataset should be drawn A variation in this relation enables for example a 0 5 phase fraction isoline in a concentration filed In Figure 4 8 a 0 5 percent isoline will be drawn in the first window Delta Gamm conc2 using the dataset of the second concen tration because this is the content of the current window Line width and Background transparency define common properties for
86. y Temporarily uncompress files which are larger than MB For large compressed data files it is more efficient to uncompress them once before showing them All following read operations will access the uncompressed file and will be faster However disk space for the set temporary directory might be limiting Appearance Miscellaneous Maximum memory usage for timestep caching MB 312 Don t cache timesteps which are larger than of cache memory 12 5 Temporarily uncompress files which are larger than MB 128 Directory for temporary uncompression pData Local Temp Es Figure 4 34 The DP MICRESS memory settings Thirdly the Miscellaneous settings contain the option to hide confirmation requests such as Do you really want to exit Display Micress This rubric is also handy in terms of hotkeys presented in chapter 4 3 Once a part of a hotkey is entered it can be complemented for 2 seconds The Time between frames in animation seconds refers on the possibility to make a video out of the simulation When filming the on going simulation the time space between two simulation steps is fixed So the video seems more fluent or rather slowly for a detailed ob serving See Figure 4 35 MICRESS User Guide Volume II Running MICRESS 47 16 eq Chapter 4 Running DP MICRESS Sg DPMICRESS wi Appearance Memory Miscellaneous Hide and affirm confirmation dialogs Time a hotkey chain is retained seconds 2 Time betw
87. y useful when needing to arrange a group of several datasets because a group s windows can be manually posi tioned For the application by default a grid layout is used but with the Tile ar rangement the grid dimensions can be set Figure 4 7 Tile arrangement individually fixed row count 1 MICRESS User Guide Volume Il Running MICRESS 20 76 ed Chapter 4 Running DP MICRESS 4 2 2 2 Tile windows Figure 4 8 Tile windows The data sets are organized in a way that the available space is fully utilized and con sequently the back ground is avoided So in order to set DP MICRESS in terms of individual needs it is possible to arrange the windows by the Tile windows tool applying the selected grid lay out The window size is calculated depending on the main window s size See Figure 4 8 MICRESS User Guide Volume Il Running MICRESS 21 76 4 2 2 3 Cascade windows Bi Display Micress 20 405 1 e an Cascade windows also refers on one active group like all tools exept of Fit main windows size The size of the active group is reduced and P o om Time s the active datasets are at the same time ordered in a way that the file s tiles can be seen but only one dataset can be seen completely as top indt t um int 2 on the file s properties switches to another top window ga GG3D kom korn 13 GG3D korn kort To A iml Bim i Figure
88. you wish to plot the value of each of the parameters individually use the command print and type in the parame ter and its unit To plot both the original and the fitted curve use the command replot as replot f x w lines The plot shown in Fig 6 5 will be displayed R rmm 40 0 100 200 300 400 500 600 700 800 t D 100 200 300 400 500 600 700 800 t Figure 6 4 A plot of the grain radius over time Figure 6 5 The original data red and the fitted curve green MICRESS User Guide Volume Il Running MICRESS 61 76 Chapter 6 gnuplot 6 3 Comparing different data For plotting two different curves in the same figure use the commands plot and replot First set labels for the x and the y axes Then use the command plot to plot the first curve see figure 6 6 for syntax In that way differ ent curves can be compared to each other Figure 6 7 gnuplot Command Line gnuplot cd C DesktopResults Gamma Alpha gnuplot set xlabal t gnuplot setylabel cumulated CPU time gnuplot plot Gamma Alpha TabPtxt u 1 2 wl gnuplot replot Gamma Alpha TQ labPtxtu 1 2 wl Figure 6 6 Command line input for plotting and comparing data Gamma Alpha TabP txt u 1 2 Gamma Alpha TQ TabP txt ui T a cumulated CPU tira Figure 6 7 Comparing different output files by simultaneous plotting This chapter has provided some very simple examples of MICRESS amp data evaluation using

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