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MCAM User Manual
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1. Center of base circle X ari 1 0 Oo a Y axis n Fais gp E Zo axi T fas 30 Eadms of base circle 1n e Parameters The center coordinate of the base circle The peak point of the base circle The radius of the base circle e Torus Create a torus by specifying the center torus radius and tube radius The axis of the torus is parallel to the z axis of the active working coordinate system e Menu Modeling Torus Toolbar O Og ae e Dialog FDS Team China 39 Center AAR Center ME Minar e Parameters The center coordinate of the torus The minor radius of the torus The major radius of the torus e EllipseTorus e Create an ellipse torus by specifying the center minor radius normal and major radius and torus radius e Menu Modeling EllopseTorus Toolbar AGOA e Dialog Ellipselorus Parameter Of Rotation Rotate Center Rotate Axis Mormal A oc t p z dp Hormal fg Rotate R Minor Parameter of profile ellipse major radms 10 Stee s le majoraxi munor axis which axis parallels normal e Parameters The rotate center coordinate of the ellipse torus The rotate Axis Normal of the ellipse torus FDS Team China 40 The minor radius of the ellipse torus The major radius of the ellipse torus e Hexagon Create and hexagonal prism by specifying the radius and height The axis of the prism is parallel to the z axis of the active
2. Calculate and display the volume of the selected entity or entities e Remark Add remark information in the cell description behind the symbol 5 e Additory MCNP Property Add additional information after the importance information in the cell description 3 5 4 Material Card Edit By the material editing function the users can edit the material properties for MCNP calculation Click Edit Material Card button the material editing dialog box is displayed The FDS Team China 21 main flow of generating material card 1s shown as follows 1 Click Add button add new material name whose format is lt Mxxx gt and xxx is a positive integer less than 5000 Double click the item can modify the name Click Delete button to delete the selected material name 2 User can edit the material card manually Select a material in left list box the Material Card Box will be editable Input the material information and then click the material name in left list box again the material card will be generated and saved Or user can edit the material card using the Material Information Process System of MCAM Select a material in left list box the Edit Material button will be editable Click it and the material choosing dialog box will be pop up e Material Card Material ID i x m Composition Nuclide Mz EJ mais Syabel Density Percent 20040 Ca4 2 35T5 0 2 ab 86 941005 20042 Cat 1 5735e 004 ab 0 B4700 20043 O C
3. Show hide Cutting Planes each button shows a locatable cutting plane in one of the three major axis directions and show it in the scene Show hide each toolbar on the framework Preprocess Implement the healing function to fix the imported models which are created in other modeling systems in order to eliminate the geometry error and make them usable for conversion Enlarge or reduce selected entities proportionally Decompose the complex entity into several simpler and smaller ones by Decompose E adding auxiliary surfaces Reconstruct the model in order to eliminate the tiny gaps and overlaps Reconstruct between the neighbouring entities The original model will be decomposed into compound of several convex entities which could be exploded into FDS Team China 3 oe several component entities Check and fix the interferences between entities Explode Break a compound entity into several component entities GI Combine several entities together as an integrated entity which is opposite to ue explode function Split Split a solid using a selected surface of its nature surfaces Draw the trace of a particle that could help to find the position of lost Lost Particle l particles according to the MCNP calculation result file Count Surface Count the number of surfaces of the selected entities Convert Launch the CAD MCNP conversion module and convert the current CAD Write MCNP model into a MCN
4. then click OK button to return back the Material Information Process System and the material information will be selected in the Selected list box Meanwhile new material can be added by Add button see introduction of Add Material Dialog Box as following FDS Team China 28 Add new Material Reselect Material Saterainl Inforsation Process Syxtee Fs Fw t I D I 1 ajos 4 228 PHI 7H rYyln FHI93 T Fig 3 5 4 2 Material Information Process System 4 In addition the composition of material and isotopes of element have been determined if users want to check and edit the compositions of the material or isotope ratios of elements Click button to check and edit the relevant elements and ratios Haterial Information Ration of 100 Composition Mass Density fi gemi Delete TM 495 1324 2 sieh Edit Melting Point 29999 E TE eer TEES UEM Information Cancel Fig 3 5 4 3 Material Information Dialog Box FDS Team China 20 Composition Fig 3 5 4 4 Composition Dialog Box 5 Well when o aa button has been clicked new materials Compound Elements and Mixture can be added and edited in this Dialog Box When users choose item Add Compound Elements gt element and isotope can be selected and Compound Elements amp Mixture can be selected when users choose item Add Mixture gt Meanwhile other information of the new material
5. e Copy e Duplicate entities SES amp ds dh E at e Menu Modify Copy Toolbar e Dialog Arr ay F Slice Mirror Revolve Extrude Move Rotation Copy Array R Base Foint Destination p A io T n T fio i CS th jo 8 e Parameters The base point and the destination define a vector and a position where the new entities FDS Team China 44 are located in e Rectangle Array e Create multiple copies of the selected entities in a rectangle pattern e Menu OS e Parameters Modify Rectangle Array Toolbar Saye dh gt Arr ay F Slice Mirror Revolve Extrude Move Rotation Copy Array RJ r V Direction rW Direction n D E ES 0 I Humber Column Distance between Row Distance between Col Specify the direction vector entity number and distance between entities of vertical and horizontal direction The result of array will form a rectangle e Polar Array e Create multiple copies of entities in a polar pattern Menu Modify Polar Array Toolbar e Dialog FDS Team China FEED dh amp at _ 45 Move Rotation Copy Array El Array FJ Slice Mirror Revolve Extrude Center Point Axis Normal Angle to fill 360 Totel number of items i W Rotate items as copied e Parameters Specify the center point of the arc of circle and the axis normal the angle of
6. 21e 3 8675e 004 C12 ab 98 8900095 amp 013 42ce 4 3409e 0n5 C13 ab 1 11000 4 Load Save all Cancel Fig 3 5 4 6 lt Material Composition Table gt contains Composition ID Composition Name Symbol Density and Percent FDS Team China 3l Haterial Card Composition Muchde II Huclide 20040 20042 20043 20044 20046 20045 1001 1002 Density Percent 35 T5e Dz ab 96 94100 5735e 004 ab 0 BATOO 2031 e 005 ab 0 13500 0T30e 004 ab 2 O8600 T2TTe O0T ab 0 00400 54TTe 005 ab 0 18700 5631 e 002 ab 99 35500 2956e 006 ab 0 015005 _ add Delete Save Edit Material Screen Huclide Generate Material Card Density 0 072958 CE oe epo peo eoe oe oe e eoe eoe ee oe oe opo eoe eoe oe eee ee ee e C 100 00 CaH2 Mass Density 1 7000e 000 C Total Atom Density 7 29522 002 Reo oe oe peo poe A oe oe eee eoe EO ee eoe e MZ 20040 00c 20042 00c 20043 00c 20044 00c 20046 00 20048 00 2 3575e 002 1 5735e 004 3 2831e 005 50730 004 4 7271e 007 4 5471e 005 Ca40 Cade Ca43 fCad4 fCade fCads ab 96 944100 ab 0 647007 ab 0 13500 ab 2 086007 ab 0 004007 ab O 18 700 1001 le 1002 21c 4 8631e 002 T 289 582 UL6 HI ab 99 9850055 HZ ab 0 01500 Load Save all Cancel Fig 3 5 4 7 Nuclide Table contains Nuclide ID Nuclide Number in MCNP Lib Density and Percent a There are four modes to show the densi
7. Entity Property Fig 2 3 5 Pop up menus in main window Cancel the selection and exit the selection mode Pa Use the mouse to interactively pan the camera in the active view Use the mouse to interactively orbit the camera Select Body Set the selection mode of solid Set the selection mode of surface Chooses a surface and obtain the Select Face l equation and parameter in the information view Select Edge Set the selection mode of edge Zoom Select Reset the camera to view the selected entities Use the mouse to define a new camera view field Set the visibility of objects in the main view including vertices edges Visibility faces lights Select to display the capping plane or the capping line when using Cutting Plane Set the rendering modes such as Shaded Triangulated Hidden Line and Rendering mode Wireframe Show Hide the X Y Z direction cutting planes FDS Team China 13 Export Entity Export the selected entities into a CAD file Hidden Hide the selected entities Delete the selected entities Open up the property dialog box Display the properties of the selected Property EUH 2 5 Information view The information view is in the bottom of frame It is used to display the basic information e g the equation and parameter of surface executive outcomes of functions Type of the surface is CYLINDER The description of the surface is CZ 10 o0000000 Ihe area of the
8. Line Float Format 615 81 Science Format xb Setting OF Convertion Config N mee e005 Minimal v alume Maxima Abs 100000000 Max BoundBaos Size NN Position Delta pam o Box Enlarge Scale CS Direction Delta e005 Reset coed Setting of MCNP files format e Width of cell The length of cell number in the MCNP input file e Width of Blanket The length of the blank between cell number material number material density and cells description e Width of Material The length of material number in the MCNP input file e Width of line The limit length of line in the MCNP input file e Float Format The format of the float value in MCNP file e Science Format The format of the science value in the MCNP file e Minimal abs amp Maxima abs The values between the Minimal abs and Maxima abs that will be defined with float format the others will use science format Setting of conversion e Minimal Volume The limit minimal volume of model If the volumes of entities are less than this value which will not be processed by MCAM The unit of minimal volume is cm3 and the default value 1s 10 6 e Max recursion This value defines the recursive depth of decomposition during the conversion The default value 1s 5 However if the users want to convert some models with complex geometry they should increase the value of max recursion e Max Bound Box This value defines the dimension of outer space For example if the v
9. MCNP input file generated Parameter edit Source Card Definition Index Parameter Valid Value m n 2 FAR E ME 3 E ain w NE EY D ME JE SN E H MH C y IT me oy T el s ym T me sagas LC RE we Ye T ME ul Y T ME l3 oP E ME dl ft adel 5 FP E ME 16 ARA E all Ww DIR ui IB 18 B c3 vec a EHI Seurce Card Text Generate Farze Fig 3 5 5 2 Source edit dialog box Tally property Click button to add a new tally and select Value node in the tree view on the lower left to define the parameters Click Generate the parameters edited is displayed in the lower right text box Besides users can edit the tally card direct and then click Save button to save the tally card as an independent file which can be added in the MCNP input file generated FDS Team China 35 Tally Card Definition Hormal weight tally Energy tones weighted tally Energy deposition tally ihe E imm mm Emm um Particle Designator Neutron Fig 3 5 5 4 Tally parameter editing FDS Team China 36 Tally Card Definition x Fi Callous Humber LE st m i a 3 4 5 7 8 S L I f a E T C FQ TM DE DF EM E Type Fi Valse Open rave Cancel Fig 3 5 5 5 Parameter editing box 3 6 Geometry Modeling Similar as the general CAD systems MCAM provide the geometry modeling function Users can firstly create primitiv
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11. curve surfaces MCNP limits the length of cell description So an entity with complex geometry has to be decomposed into several small simple entities This function helps to add auxiliary surfaces to decompose the model into smaller ones Decompose Parameter setting Of Decomposition Option Objects iw Auto Split f Decompose Whole Model Iv Recursively Decompose Selected Cells Max Decompose Level 10 Auto Split Decomposed the entity choose to explode its component lumps into independent entities or glue them together as an integrated entity Recursively Choose whether to decompose the entities recursively or not Max Decompose Level The depth of recursive decomposition Decompose whole model Decompose the whole model in the current view Decompose selected model Decompose the entities in selection 3 2 5 Reconstruct pi e Preprocess Toolbar z e Menu Preprocess Reconstruct The reconstruct function is developed for two purposes The first one is to eliminate the tiny gap and overlap between the adjacent entities that should have same boundary surface The second one is to decompose the entity by using of the surfaces on entities The reconstruction decomposes the entity into set of convex entities Then explode function could be used to break the compound entity into its component entities A Message box will be displayed when select to reconstruct the model User can select to reconstruct all the entities in
12. input model from the CAD engineering model before converting it into a MCNP input file 3 2 1 Scale a e Preprocess Toolbar e Menu Preprocess Scale The engineering CAD models usually use mm as the unit of dimension But many Monte Carlo calculations models use cm instead So when the engineering CAD model is read by MCAM the users should enlarge or reduce the model The maximum dimension of the model which can be smoothly converted by MCAM is 10000 cm i e The X Y Z of the model should be inside the range from 5000 to 5000 If the model cannot be converted successfully please check the size of the model and use the scale function to reduce the size of it Scale Hodel Dialog x petting Of Scale Scale Whole Model orale Ratio r Scale Selected Cells a value between 0 001 and 1000 A dialog box appears when users use scale function e Scale Whole Model All the entities in the model will be scaled e Scale Selected Cells Only the selected entities will be scaled e Scale Ratio The dimension unit ratio of the engineering CAD model to Monte Carlo FDS Team China 16 calculations model 3 2 2 Heal j e Preprocess Toolbar e Menu Preprocess Heal When a geometry model is created in some other modeling system and translated into MCAM such a model may be imprecise due to the inherent limitations of their parent systems or due to limitations of data transfer through neutral file formats su
13. like Name Mass Melting etc can be setting in this Dialog Then users can click the add button to add the new material to the material database Of course users can also reselect new material by using the lt Reselect gt button and cancel the operation by using the lt Exit gt button Add Katerial Fig 3 5 4 5 Add Material Dialog Box FDS Team China 30 6 When finish the material editing Click OK to return to Material Card Editing Dialog Box Relevant material information is displayed in the material composition table and nuclide information is displayed in the nuclide table Users can edit some detail information for calculation with these two tables Haterial Card Composition Huctide ID Composition Density Percent 1 CLAM T 8000e 000 100 O0 bul Add Delete Save Edit Material Screen Muclide Generate Material Card Density 0 084144 Coke peo peo poe pee oe oe e pee eoe pee oe oe pope oe A oe obese e ee eoe OK C 100 00 CLAM Mass Density 2000e 000 C Total Atom Density 2 41442 002 T okoko M1 a56054 21c 4 3223e 003 Fe54 ab 5 80000 26056 21le amp 8412e D02 Fe56 ab 91 S0000 26057 21le 1 5650e D03 Fe57 ab 21000055 26058 21c 2 2357e 004 Fe58 ab O 50000 a4050 21e 3 5387e D04 Cr50 ab 4 3500055 24052 21c amp 8124e D03 Cr52 ab 83 790004 24053 21e 7 7238 amp D04 Cr53 ab 95000055 2a4054 21c 1 9188 amp D04 Cr54 ab 2 3600055 amp 012
14. lited fds Root Node 4 0 C 1 4 Grop Node C 10 g 746 765 G 749 766 Entity Node di 750 767 769 786 771 738 il 772 789 d 774 791 g T75 792 di 777 794 778 795 780 797 g 751 798 783 600 eM 754 801 786 803 787 804 g 789 806 dd 790 807 s 792 509 ed 733 510 795 812 512 627 R Fig 2 3 1 Feature of tree view Icons of tree node The icon of root tree node and group tree node which is in folded state The icon of root tree node and group tree node which is unfolded state Ea All the entities under the group tree node are hidden The entity in Shown state The entity is selected a The entity in lt Hidden gt state The entity has been successfully converted into cell description of MCNP The entity has not been converted into cell description of MCNP successfully The format of the entity node in the tree view is lt xxx yyy gt xxx is the serial number of entity list If the model is reverted from MCNP file lt yyy gt has meaning that represent the cell number in MCNP file FDS Team China 8 Pop up menus of root tree node CT ECAN 4 8 Beta Version Eca CH File Edit View Freprocess Convert D Gm Rl e cg ce en AE dE O amp 3 B a qo Bj x L A Add Hew Group Import Entities Export Entities d Hi de Redisplay Expand Fo
15. manually then import to MCAM e When using MCNP program to calculate some MCNP input files obtained by conversion function of MCAM4 8 the MCNP calculation result file showed that some particles were lost Solutions Firstly check that all the entities were converted successfully no fail characters in the generated MCNP input file Check whether there 1s tangent of plane and cylinder in the original CAD models which is suggested to be manual decomposed If you still have any questions please contact to fds ipp ac cn 3 4 Inversion MCNP CAD 3 4 1 User Interface e Toolbar e e Menu Tool Read MCNP Opposite to conversion function the inverter of MCAM realizes the conversion from a MCNP input file to a CAD model and visualized it The current version of MCAM supports the cell card surface card material card and the description of repeated structure is also available for example the U card Fill card TR card Like m But card etc The current version of MCAM can not check and fix the errors in the input file so please make sure that the file does not have any errors When a MCNP input file is chosen a dialog box for parameter setting will be displayed FDS Team China 24 Invertor Setting M Show inverted cells m new model Invert void cells no material e Show inverted cells in new model MCAM will create a new model and show the inverted cells in a new view e Invert void cells no mater
16. the arc to fill and the total number of entities to be filled e Slice Slice entities with a plane cylinder face or sphere face a Ow OO aoc e Menu Modify Slice Toolbar o O0 Jh tt e Dialog Move Rotation Copy Ary ay E Array F Slice Mirror Revolve Extrude Point Normal 2 x hh it n EM Radius EN Preview Slicing Face Slicing Face r Eeep Solid f Plane Positive f Cylinder Negative e Parameters Choose the radio box on the left to determine shape of the cutting face FDS Team China 46 Plane Specify a point and normal vector to define a plane Cylinder Sphere Specify a point normal vector and radius to define a cylinder or a sphere Click Preview Slicing Plane button to preview the face defined Choose the radio box on the right to determine which part of solid should be keep e Mirror e Create a mirror image copy of entities e Menu Modify Mirror Toolbar e Dialog Move Rotation Copy rray R Array P Slice Mirror Revolve Extrude Point Normal E lo Zi io se lo f io Z lo us fi Preview Mirror Plane e Parameters Specify a point and normal vector to define a plane Click Preview Mirror Plane button to preview the plane defined 3 6 4 Void modeling MCAM can automatic create the inner void model of the cell contain inner space such as the inner space of pipe models Click th
17. the current view or reconstruct the selected entities ECANY x os 1 1 Reconstruct the whole model es or just the selected cell Hol Ho Cancel FDS Team China 18 3 2 6 Explode e Preprocess Toolbar E e Menu Preprocess Explode After process of decomposition or reconstruction an entity is composed of several entities The explode function can help to break it into component entities This function is designed only to explode the selected entities 3 2 7 Glue e Preprocess Toolbar Fa e Menu Preprocess Glue Glue is opposite to Explode which is to compose the selected entities as a whole one 3 2 8 Split e Menu Preprocess Split This function is designed to split an entity using one of its decomposing surfaces First change to FACE select mode and select a face Then click Split and the entity will be split into two parts 3 2 9 Count Surfaces e Menu Preprocess Count Surfaces This function is developed to count the surfaces of selected or whole entities A Message box will be displayed when select to count the surfaces User can select to count the surfaces of all the entities in the current view or just the selected entities 4 Count the surface of the whole model Yes or just the selected cell Hol T D RB 3 3 Conversion CAD MCNP 3 3 1 User Interface e Toolbar MS e Menu Convert Write MCNP This function realizes the conversion from a CAD model to a MCNP
18. with a plane cylinder or sphere FDS Team China de Mirror Create a mirror image copy of entities Tools Ont Modify application settings including the display effect appearance file ions P format and interaction Setti Modify the important parameters for model conversion Such as the ettings D precision used by conversion and the format of output file Windows Arrange windows in horizontal non overlapping tiles Help About Display the licenses information of MCAM Display the version information of MCAM Hep Launch the MCAM user manual file 2 2 Toolbar File Deh Sag e File New Create a new empty window Files can then be imported into the new scene via the File Import button on menu e File Open Locate and open a FDS format CAD File e File Save Save the model under the current file name e Print Print the contents of the current view e Import Import CAD models into the current window The STP STEP SAT and IGES format are supported e Export Export the selected entities to a model file in SAT STP or IGES format Display Model emo m o G e Shaded Set the rendering mode to Shaded e Triangulated Set the rendering mode to Triangulated e Hidden line Set the rendering mode to Hidden line e Wireframe Set the rendering mode to Wireframe e Select by Solid Use the mouse to select solid entities e Select by Surface Use the mouse to select a surface e Select by Edge
19. MCAM 4 8 User Manual FDS Team Copyright FDS Team China Al right reserved FDS Team Content MCAM 4 8 User Manual iii 1 SIDE Q 2 UR laligele S eji o a pen T TET 1 VEB EEr OU REN 1 1 2 Marmi PUNCH ONS 5 o oet ENNS EH EH D ER EN ae iod 1 e U OPINO E D 1 PANNI dM Em 2 M aries alas aes eta rM 2 no EE D TO 3 MA NN A A M A M ice i au 3 PECDLOCESS odas eredi toa fadt asa odi eee aad itunes tav onec didnt dn 3 CONVERSE dio eie odd eda a d Mt ae 4 VO HS RIN um E EM T NU T ETE EU ES 4 Mody EEE 4 TOOS ec A m 5 banno eme nan 5 ra Ke erase otc M r H 5 2 2 MOO MAL NP TT Pn TTE 5 Plessis cn 5 Jerem REI 5 Siem AI e EE 5 SEC OM VION p EE 6 Mode ns aiid Mod Vere PTT 6 Preptocess and Cony Thyra a et aote tede ides tap ee nda desc 7 DCS VLC WY RE NE T ET T E T 7 IconsoL tree OCC cena ea a a cR m doct 8 Pop up menus OF TOOL ES TOU udo toro eet atm deti Coa D E dE 9 Pop up iiienus oF group tree flOde uo Hp HH o Hiis pe pde bu ius 10 Popp menis oL entity Ce TIOdO o oe OLI I dta o D e ac eee aa 11 POD Up THCOUS IO tree VIC Voc ient oth rere e beoe intel Do orate besos Dh Led Lad 11 LANA NVE rc 12 Popup meno mman WIndows nn nn 13 2 Sc IBEOETOLLOTIC V IO Moro eoeos to Pe er P tats de pate udo oes p
20. P input file Launch the MCNP CAD conversion module Read the selected MCNP input Read MCNP ben u file invert it into a CAD model and display it Modeling Create a straight line by specifying two coordinates Rectangle Create a rectangular polyline by specifying two corner coordinates Create an arc by specifying three coordinates Create a block by specifying the two diagonal coordinates Cvlind Create a solid cylinder by specifying the center point for base and other end inder y and the radius for base Create a sphere by specifying the center coordinate and radius C Create a solid cone by specifying the center point for base peak point and one radius for base Create a torus by specifying the center torus radius and tube radius Create an ellipse torus by specifying the center minor radius normal and Ellipse Torus major radius and torus radius Create and hexagonal prism by specifying the radius and height Modify Combine selected solids by Boolean union operation Combine selected solids by subtraction namely subtract solids from other Subtraction lid solids Create composite solids from the intersection of two or more solids Displace entities a specified distance in the specified direction Rotate entities around a base point Rectangle Array Create multiple copies of entities in a rectangle pattern Polar Array Create multiple copies of entities in a polar pattern Slice entities
21. U aucta ans ted Rund ie 26 2 5 I MCINE PEODO O eee dette 24 ER Material asm rT 27 309 9 DOUTCE TAN PEODOLDVS ee tai ee aaah eke ew ees aede 34 2 0 Gieomielr y Modeni sad terat tot or n ren Fee ee ta to e dul eA Pol eut du ooo ada S bu eda 37 2 9 T Create Prin ey CW Wit oe n e a E ER D aU cH mA UR UID LU LE tenes 37 3 6 2 Boolean Operation Modelno ao eti da MN NM MIS 4 23 06 93 Mode EMOGTEICOUIOTE 2 cts uua o cato qud P quine pa oe RE Eau D ce tue do aU E cet 42 DOA VOC EROGO HIDE ei deett ie bu vti dett deti da dte es lE ne 47 A M cs NANO Corte aaa D E 48 4 Load the C AD THOdOls iei de ibo Ui ho DIR Ote astu d bein Some nie 48 4 2 Preprocess the C ADUmoUel sue Mers ah interim 49 2 5 Bait tlie PEOPCTUCS TO ne i n NM Ma D MD ILU DIN S MM M MD LI DC LUUDE 51 2 4 Convert the INOGEL sonia eni o opt Hon nn MM 51 A nvertahe eenerated IVICINP DG sean a bete o fetu cass tue oda utero puo E tuu 52 4 6 lnvertthe installed MCNP file o RES eap oes pe a RES M be ERA RR Co cede 53 S BMICBSId SUDO lal atenta amate nu bUEvM E ERU ae 56 1 Introduction 1 1 Background Welcome using MCAM MCAM Mult Physics Coupling Analysis Modeling Program is developed by FDS Team China As an integrated interface program between modern CAD systems and Monte Carlo radiation transport simulation codes SuperMC MCNP TRIPOLI Geant4 FLUKA PHITS etc MCAM not only realizes the bi directional conversion between CAD models and Monte Car
22. Use the mouse to select an edge e Select by Window Define a window to select entities Standard View D E D ED CD CD olaga ss FDS Team China 5 Top Set the camera in the active view to the top of the object Bottom Set the camera in the active view to the bottom Left Set the camera in the active view to the left Right Set the camera in the active view to the right Front Set the camera in the active view to the front Back Set the camera in the active view to the back Isometric Set the camera in the active view to show the object in isometric position Zoom Use the mouse to interactively change the camera field Zoom in or out Zoom to Extents Reset the camera to view the entire scene Zoom to Window Use the mouse to define a new camera view field Orbit Use the mouse to interactively orbit the camera Pan Use the mouse to interactively pan the camera in the active view Test Performance Animate the model in the scene to test the performance Display the information about the performance in frames second achieved Section View LET LIT LIT Frog Frog HE go Lr dae Create Cutting Plane Each button shows a locatable cutting plane in one of the three major axis directions and inserts it into the scene A reference range of the whole entities is given in a dialog At the same time an edit box is given below with a default value which can be changed before clicking the lt ok gt button Clicki
23. a43 3 2831 005 ab 0 13500 20044 Caid S 0730e 004 ab 2 08800 20048 Ca4 amp 9 727Te 007 ab 0 00400 20048 Ca48 4 54TTe 005 ab 0 18700 dlete Save Material 1001 Hi 4 8631e 007 ab 99 96500 1002 H T 2958 006 ab 01500X F 2 _A amp Det Save Edit Material Screen Nuc ide Generate Material Card Density 0 072958 C DETE ETE ET ETE LL LL TE LELL LL E E E EE E ieee ha a ehh C 10000 CaHz2 Mass Density 7000e 000 C Total Atom Density 2 7 29 58e 002 T AA ooo A OO M2 200M0 00e 23575002 Ca40 ab 96 941004 20042 00e 1 5735e 004 Cad2 be 0 647004 20043 00e 3 2831e 005 Ca43 ab 0135004 20044 00c 5 0730 004 Cad4 a 20085004 20046 0e 9 7277e 007 Ca46 ab 0004004 20048 00c 4 5477e 005 Cat ab 0 18700 1001 21e 48631e 002 Hl abe 99 98500 Cour aterial d rrr 1002 21c 7295 e 006 H2 ab 001500 NEN ENS Screening library Generate Material Card Fig 3 5 4 Material Card Editing Dialog Box 3 Compound Elements and Mixture are supplied to generate material Users can click elements button to check related information of certain elements click items in Compound Elements and Mixture list box to check or edit the related information of certain compound and mixture see introduction of Material Information Process System as following When users have selected certain Compound Elements or Mixture items with inputting the right ratios of each compositions volume from 0 to 100
24. alue is 3000 it means the outer space is from 1500 to 1500 in the direction of X Y Z axis The default value is 0 which means MCAM will calculate the dimension of outer space according to the CAD model automatically e Box Enlarge scale The value is used to calculate the dimension of outer space automatically The default value is 4 e Position Delta amp Direction Delta If the position and direction distance of two similar faces is less than the tolerance The two surfaces will be merged during the conversion FDS Team China 23 3 3 4 Note Problem of Spline Surfaces This function reminds users if there are spline surfaces in the models to be converted A Message box will be displayed to prompt users whether to continue User can press Yes to continue or press No to cancel the conversion It is suggested that the conversion be cancelled and some operations be done to treat these spline surfaces depending on manual implementation as MCAM4 8 cannot deal with spline surfaces and errors may occur in MCNP file obtained AN Some cells contain spline surfaces which will not be converted do you want to continue Mes or cancel Hol 3 3 5 Typical problems and solutions e Conversion cannot be finished correctly for some complex models Solutions It is suggested that the automatic decompose function of MCAMA 8 for the complex models be done firstly As user like you can use the commercial CAD software to decompose
25. ch as STEP This leads to problems such as gaps between entities and the absence of topology connectivity information The Heal function can be used to detect and correct the error in CAD models in order to make them usable Heal function may not be able to correct all of the problems that may exist in a model but it will detect and correct a large percentage of them A Message box appears when users select to heal CAD models Users can choose to heal all the entities in the model Yes or just heal the selected entities No ECAN x 4 Heal the Whole Model Yes or the Selected Cells Hol Ha Cancel 3 2 3 Check e Preprocess Toolbar ej e Menu Preprocess Check Interferences may exist between neighboring entities in the engineering CAD model but are forbidden by MC particle transport codes such as MCNP The interferences will cause the particle loss The check function will detect and eliminate this kind of errors in CAD engineering models The user can choose whether to fix the overlaps automatically or only show them The numbers of neighboring entities that have overlaps will be printed in the information window 5 bre you sure to fix the interfere in the model ep Yes for check and fix No for check only Ho Cancel 3 2 4 Decompose e Preprocess Toolbar OO e Menu Preprocess Decompose FDS Team China 17 The engineering CAD model always has complex geometry and contains many
26. ct the hidden entities Export Entities G Export the entities under the group node into a CAD file The group name is rou P used as CAD file name es 0 Sinol Export each entity under the group node into CAD file respectively which ingle are saved in a folder whose name is the group s Import Entities Import a CAD file into the selected group Rename the selected group Delete all the entities under the selected group including the group tree Delete Group d node Hide Group Hide all the entities under the group Display Group Display all the entities under the group Display Singly Display only the selected group and hide the other groups Note If the selected group is in hidden state only Display Group and Display Singly gt items are available FDS Team China 10 Pop up menus of entity tree node cu uu 4 8 Beta Fersion CH File Edit View Freprocess Cc nSHsas ls g900 cGcgG8 oc nj x y Unname d d es Property Export Entity Delete Entity Hide Entity ReHame Move to Group Fig 2 3 4 Pop up menus of entity tree node Display the property dialog box that supports editing of graphic and MCNP related properties Export Entity Export the selected entity into a CAD file Delete Entity Delete the selected entity Property Hide Entity Hide the selected entity Display Entity Display the selected entity Rename the selected entity Move To Group Move the se
27. ctions including primitive shapes creation Boolean operation and geometry transformations etc 2 User Interface Fig 2 1 shows the organization of the main window elements which include Menu Toolbar Tree View 3D Graphic View Information Window and Property dialog FDS Team China D 4 8 Deta Versiot ITER A lited sat opencl Fale Edit View Prep Couvert Bodaling Bedify els Pindews Maly DSA SSS 69 OS 4822 096096969 QAQA Or Han 0008068000 075880 BASH POPs HRD M 4 rJ nene 3 SOR sew Tally al Information at G t i uu 2m Edit Material Cord Lom apert aJ to Q dau ms an muros Ime 0 M2 n Volume im a uc uoo beh oom x e E Midi tory SOR Property 2 iL 3 Information Window GET Coll Peer 13 a er 12 MO 0 CAR in Model talitet 2010 12 2 2 000140 FRE seccensfally reed 3D Graphic View Reedy xw Fig 2 1 MCAM User Interface 2 1 Menu File Create a new empty window CAD models can then be imported into the new New scene via the File Import button and the MCNP input files can be read via the Tool Read MCNP Launch the file browser Use this to find and open a FDS format CAD model LEN RR Close the current window If the model is modified MCAM prompts to save or discard the changes Save the model under the current file name S Save the current model under a new file name or save the graphic view as a a
28. d into the list box of MCNP property dialog box Users can choose and assign material properties onto relevant entities Graph MCHP Source Tally Material Information Humber Mi eee Edit Material Card Fig 3 5 4 11 Material list box in MCNP property dialog box 9 When open or import models with material properties MCAM can parse material and density information included Besides it can read material card direct in standard format shown above 3 5 5 Source Tally Property Special Target Some special cells or surfaces are selected for generating source and tally description of MCNP input file Users specify cells or surfaces in the model as special targets with sign for cell or for surface Graph MCNP Source Tally Model Information Cell Volume Surface rea CELL SURFACE Setting Target Type fe CELL SURFACE Target set and clear Source Specification Tally Specification OtherCards Other Cards MCNP needed Fig 3 5 5 1 Source Tally property FDS Team China 34 Source property Parameter definition dialog box supplies the main parameters editing function for source card generation Fill in the data grid click button the source card edited are shown in the Source Card Text box below Besides users can edit the source card in Source Card Text box direct Click button to save the source card edited as an independent file which can be added in the
29. db iD 122 1303 14 14 15 15 16 15 17117 1918 199 g 20 20 S 91 01 Fig 4 5 1 The CAD model inverted and displayed by MCAM The model will be generated and displayed Users can not only observe and check the inverted model but also can save or export it into a CAD file and read or modified it in other CAD systems 4 6 Invert the installed MCNP file MCAM provides several MCNP input files for demonstration Chick the Tool Read MCNP button on menu or e icon on toolbar Select the lt FusionReactorConceptualDesign txt gt under the Examples folder of MCAM installation directory The inverter setting dialog box appears keep the default setting and click the OK button FDS Team China 53 Invertor Setting vM Fun in stand alone process vM Show inverted cells in new model Du E ux wuogpgpmgggugoGgOe maa estt Dodo OCTO D SES RAE m e E gg s PE Gs Ms eM 4 TS 01 Bs 1 a 11 mg 12 E 15 B 2 H 21 H 3 BE 4 HAs ECT BE T H E 8 H E 9 SELL Fig 4 6 1 The CAD model inverted and displayed by MCAM This MCNP file contains the outer space definition so there is a cube in the view Click the Select by Solid toolbar button E to change to the solid selecting mode Click the cube and it will change to yellow color indicating that it is selected Right click the mouse button a popup menu will appear choose the Hide gt item The cube s
30. e menu void modeling and MCAM will automatically fill the inner void space part of the cells which can be processed A simple example is shown in the following figure FDS Team China 47 Fig 3 6 4 1 A simple example 4 Example CAD model requirement In the current version of MCAM the plane cylinder sphere cone torus and ellipse torus are supported If a CAD model contains spline surface it should be simplified first CAD file format The lt STP gt and SAT file format are supported If a CAD model is created in other CAD systems It should be saved under the format of lt STP gt or SAT 4 1 Load the CAD model Model name install path Examples CST stp 1 Create a new document Click the button L on the File Toolbar or File New on menu 2 Import the CAD file Click File Import on main menu or Import item on popup menu in the tree view A file open dialogue box appears go to the MCAM install path C Program Files FDS Team MCAMX open the fold Example change the file type to STEP Format and then choose the file CST stp 3 Choose whether to keep the group information A message box appears Click YES button Because the lt STP gt file does not include any information except for geometry information CANE x 4 Io you want to use filename as the Group name for imported CELLs Mes or keep the original Group information Mo A group node lt ST gt will be added in the tree v
31. e node in the tree view control add all the entities of this CAD file into the group and use the file name as the group name No Keep the group information in the CAD file that has been grouped and edited Create several group tree nodes according to the group information in it Add the entities into the groups respectively base on their group attributes 3 1 3 Save e File Toolbar e Menu File Save or File Save as Save the CAD model in the current view to the appointed location Under the current file name or a new file name Only FDS file format is supported Or use Save as menu to save the graphic view as a tiff image file FDS Team China 15 3 1 4 Export e Menu File Export e Tree View Root tree node Popup menu Export Group tree node Popup menu Export Group tree node Popup menu ExportEach e Main View Popup menu Export Entity A file save dialogue box is displayed to export the CAD model in the current view into the selected model file The SAT STEP tile format are both supported The SAT format will keep the necessary information such as the group attribute color material neutron photon importance etc As for the STEP format only the geometry information will be kept the group attribute color and other properties will be lost 3 2 Preprocess The preprocess functions include Scale Heal Overlap Check Decompose Explode Glue and Reconstruct The purpose of preprocessing is to prepare an available CAD
32. e units and then use bool operations and modification function to create more complex geometry models 3 6 1 Create Primitive Unit Users can create some primitive units like block cylinder sphere cone torus and hexagonal prism e Block e Create a block by specifying the two diagonal coordinates e Menu Modeling Block Toolbar Oc O48 EN e Dialog Start Point End Point uc n x 10 Y 10 A 10 a FDS Team China 37 e Parameters Start Point the first coordinate End Point the second diagonally opposite the first coordinate e Cylinder Create a solid cylinder by specifying the center point for base and other end and the radius for base e Menu Modeling Cylinder Toolbar r o gi e Dialog Cylinder Center of bottom circle Center of top circle X axi x axis p Y axis mM Y axis Em Z axis Z axis 3 Eadms of base circle 10 e Parameters The center coordinate of the bottom circle The center coordinate of the top circle The radius of the base circle e Sphere e Create a sphere by specifying the center coordinate and radius e Menu Modeling Sphere Toolbar O 0 Os e ER e Dialog FDS Team China 38 e Parameters The center coordinate of the sphere The radius of the sphere e Cone Create a solid cone by specifying the center point for base peak point and radius for base e Menu Modeling Cone Toolbar YOO a e Dialog
33. ep b BuU Mee per doo stet batir I o satel Pa uoo edo meE Ed 14 SO RNC HOI cer T M 15 Sul DC FUCHS eesse nn tet otov node olet Hat ated Or eds 15 ERN QUT NR UT UU M MUT 15 21 2 TMPO a eode tee dolut na dete oC doce update ot 15 EN Ns qo eu anal cs 16 EP ECD OCC SS anth dd ut E tad A na M d dE I 16 LS CAS UN NORUNT OE D ac nn P En IC MH UP ERE atone 16 Oe NA AM E EE EAEE EE P 17 Die ONE Cis chases 17 3 2 4 IDE COMPOSE as xterra rete toast EA EA E nn tannins 17 2 2 5 RECORS C Dux aee Me o ande aui cadet unen dtes a c ete 18 sf EOL comer e TE 19 CRUS ERE 19 Dobis i gc sea cc acted as aT sn bee cee seacoast aa tech PEE 19 22 E COUMES UT ACES T 19 3 5 Conversion CAD MONDE RR Pas cairn ee tanins 19 2 3 l US Interia eea Rm ER 19 2 19 2 COBDVerstol Dararetet SeEUflO s couscous r EE en 21 3 2 9 GIODAL CONTE SCUING aot Loki deg bti bett o iud da dtt Ania sn nie 22 3A Note Problem of Spline SUCEICES uid oar Io tI C ati Coa e betont 24 3 3 5 Typical problems and solutions ph oH o nn eas 24 SA Inversion CMOCNDP SC AD eie decia p eS ea Re PIGH Ds I pa 24 E MM MIHI EE OO M 24 342 Typical problems and SoLDUO Oils i pi meet REA MD coL E La ERA RES 25 Did PrOpP rHeS sime m 7770 25 BEERS E e A na reed cula eie eee uoo Bot note ot ne 25 2 52 Grapho Property Se COME a E C
34. ess Call an independent background application to complete the conversion Whole model amp selected cells Convert the whole model in current view or just the selected entities Set cell No from Assign the starting number of cells in the MCNP input file Start surface No Assign the starting number of surface equations in the MCNP input file Output File The location and name of the generated MCNP input file Users can change them by the browser button on right side With Material The location and name of the material specification file Users can change them by the browser button on right side This file may be generated by the Material Card Edit function of MCAM With SDEF The location and name of the source specification file Users can change them by the browser button on right side This file may be generated by the Source Card Edit function of MCAM With TALLY The location and name of the tally specification file Users can change them FDS Team China 21 by the browser button on right side This file may be generated by the Tally Card Edit function of MCAM Output volume card Whether to generate the volume card Floating format The format of the float value expression in the MCNP file Scientific format The format of the scientific value expression in the MCNP file Generate void space Whether to generate the void space descriptions If the CAD model already contains the void space entities This option need not to be c
35. hecked Generate reflect surface Add two reflecting surface numbers in the void space descriptions to describe the model with reflect surfaces Input the surface equations of two reflecting surfaces The equation description of a surface can be obtained using Face Selection function Void Type CellNo Use boxes to bool subtract the cell no CellDesc Use boxes to bool subtract the cell description Complement Eliminate the lt gt character in the void cell description This type is recommended Optimized The optimized description of the lt complement gt type This type usually does not work for complex geometry Cell Limit Change the cell limit and surface limit to adjust the length of void cell description to avoid that the length of void cell description exceed 1000 which is the limit of MCNP The length will increase if the value is enlarged Surface Limit Change the cell limit and surface limit to adjust the length of void cell description to avoid that the length of void cell description exceed 1000 which is the limit of MCNP The length will increase if the value is enlarged Min Cell Size The minimum size of void cell 3 3 3 Global Config Setting Menu Tools Setting The configurations contain the format of the MCNP files and related parameters for conversion FDS Team China 22 Setting Dialog Dialog Setting OF MENFP Files Format Width OF Cell 3 Width OF Blank width OF Material 3 Width OF
36. ial Whether invert the void space cells Material No is Zero 3 4 2 Typical problems and solutions e When a MCNP input file is very complex for example thousands of repeated structure contained in it with lt lat gt and lt u gt card the inversion process of MCAM may collapse in the process of inverting as the memory consumption of MCAM more than 2G Solutions The reason 1s that the memory consumption of 32bit application is allowed at most 2G in the Microsoft operating system It is suggested that manual splitting of the MCNP input file be done firstly 3 5 Properties Edit 3 5 1 Summarize e Menu View Property e When an entity is selected click the property item in right click pop up menu is enabled e When a entity node in tree view is selected click the property item in right click pop up menu e When choose the properties edit function the property dialog box will be displayed on the right side of the framework The properties include the graphic property MCNP property and Source Tally property User can display edit and change the related properties of models FDS Team China 25 3 5 2 Graphic Property Graph MCNF Source Tally Entity Information Entity Type Body x 0 000 10 0003 Y 0 000 10 0003 2 0 000 10 000 Group Information Entity l Group Hame li splay Cola DE Transparence T E Apply Close Fig 3 5 2 1 Graphic property e Entity Information Dis
37. iew and each entity of this model also will be added under the group tree node The CAD model will be displayed in the main view Users can observe and check the model using different view functions such as the cross section camera view and transparence view In practice if a CAD model consists of different components with different physicals properties It is suggested that the model should be divided into several models at first and then FDS Team China 48 import them into MCAM in order Several relative group nodes will be added in the tree view It is convenient for Users to assign the properties in batches E ECAN 4 8 Beta Version Ecami opengl cm File Edit View Preprocess Convert Modeling Modify Tools Windows Help DcH amp uuasdg odopogusquogo uaGege dupul DOG OOH d ES RADA 9 Poire C Gy M 4 Fig 4 1 1 Load the CAD model 4 2 Preprocess the CAD model 1 Heal the model Click the g button on Toolbar or Preprocess Heal item on main menu Then a message box appears choose lt YES gt button to fix the whole model NCANX x A Heal the Whole Model Yes or the Selected Cells Hol Ho Cancel Note If the CAD model is created in other CAD system except for ACIS it should be fixed to eliminate the geometry error occurred during CAD file format conversion t 2 Scale the model Click the im button on Toolbar or Preprocess Scale item on main menu The dimens
38. input file The CAD model has to be preprocessed according to the actual state of model before conversion FDS Team China 9 A dialog box will be displayed helping users to set the parameters before conversion Converter Setting We Eun in stand alone process fe Whole model Selected cells lw Set cell Ha from Start surtace Ho Chitpat file C Program FilesASIPPIMC AME v With Material CAPzogram FlesASIPPMCAM if With SDEF CAPzogram FilesASIPPIMCAMS zl vM With TALLY C Program Files ASIPP MCAME zu Iw Chitput volume card OK Cancel Click More button to see more settings shown in below figure FDS Team China 20 Converter Setting E M Fun in stand alone process Whole model Selected cells Iv Set cell No from 1 Start surface No REED Output file C Program Files ASIPP MCAME v With Material C Program Files ASIPPIMCAM M WithSDEF C Program FilesASIPPIMCAM FN With TALLY CiProgram Files ASIPPIMCAM Output volume card OK Cancel More MCNP Files Format Setting Float format 615 8 Science format val 5 8e V Generat void space Reflecting surfaces 40001 40002 40001 P 08 06 00 00 40002 P 08 06 00 00 Void Setting Void Type ho CellNo Cell Linut 4 G f CellDesc Face Limit 200 Complement Optimized Min Cell Size 1C 3 3 2 Conversion parameter setting Run in stand alone proc
39. ion unit of CST model is mm but MCNP uses cm as dimension unit So set the scale ratio 0 1 and check the option Scale Whole model to scale the whole model FDS Team China 49 Scale Model Dialog Setting Of Scale Scale Whole Model Scale Ratio 0 Scale Selected Cells a value between 0 001 and 1000 3 Decompose the model Click the Ui button on Toolbar or Preprocess Decompose item on main menu Then a dialog box appears Keep the default setting click the OK button Decompose Parameter setting OF Decomposition Option Objects v Auto Split Decompose Whole Model Iv Recursively Decompose Selected Cells Max Decompose Level 1n 4 Check the overlaps in model Click the z button on Toolbar or the Preprocess Decompose item on main menu Click lt YES gt button to check and fix the overlaps ECARE x Are you sure to fix the interfere in the model t Yes for check and fix Ho for check only Ho Cancel n 5 Reconstruct the model Click the button on Toolbar or Preprocess Decompose item on main menu Click YES button to reconstruct the whole CAD model NCANX e LL Reconstruct the whole model Yes or just the selected cel
40. l Hol Ho Cancel FDS Team China 50 4 3 Edit the properties Click the View Property button on the menu or Property item on the popup menu in the tree view And then the property dialog box appears Edit the material card source card and tally card and save them as independent txt files in order to be added in the MCNP input file generated by conversion Assign the relative properties on the entities selected according to the requirement of calculation Click the Apply button to confirm the property edit 4 4 Convert the model After preprocessing property editing a complete model for calculation is prepared Chick the Convert Write MCNP button on menu or ME icon on toolbar The conversion dialog box appears Choose the location and name of the material card txt file source card txt file and tally card txt file which have been edited and saved in the properties edit step Use the default parameters as shown in the following figure Push the OK button The conversion function will be called When the conversion is finished the input file will be displayed FDS Team China 51 Converter Setting V Run in stand alone process Whole model C Selected cells Iw Set cell No from Start surface No Output file PPIMCAMA 8 ExamplesiCST txt 5c M With Material 14 8 Examples MaterialCard txt ES lv With SDEF AM4 Examples SourceCard txt ES V With TALLY AMA SIExamplesiTal
41. ld Select ALL Entities Select Entities in View Reset Cell Humber Fig 2 3 2 Pop up menus of root tree node Add New Group Add a new group node under the root tree node Import Entities Import the entities under the root tree node Export Entities ee Whole model Export all the entities under the root tree node into CAD file Export the entities under the group node into CAD file Group respectively The name of the CAD file is same as the group s Sinel Export each entity under the root tree node into a CAD file ingle j respectively Select all the entities under the root tree node including the Select All Entities se entities in hidden state ee Select the entities under the root tree node which are not in Select Entities in View hidden state Re sort the sequence number of entities under the root tree node Reset cell Number The number begins from 1 FDS Team China 9 Pop up menus of group tree node ETNCAE 4 8 Beta Version CH File Edit View Freprocess Cr D k mT oce oda rp e amp MAE O4 SGE 3 Mean 2 23 e Select Group Export Entities Import Entities EsName Delete Group Hide Group Display Group Display Singly Fig 2 3 3 Pop up menus of group tree node Select all the entities under the group tree node When there are hidden Select Group a entities included a dialogue box will be displayed Display and select the hidden entities Do not display and sele
42. lected entity into another group Note If the entity is in the hidden state only display item is available Pop up menus of tree view The menu will display when click mouse right button in the tree view but not on tree node FDS Team China 1 uu ECAN 4 8 Beta VFersio Mi File Edit View Freproces DH Em ou ee AGO GGEIT Bj x C3 Mceami E Unnamed E IC DeSelectAll Refresh Item Show State Back Ground Color Fig 2 3 4 Pop up menus of tree view Deselect All Deselect all the entities Refresh Item Refresh the entity to the original state Show that the entity can be converted into cell description Show State successfully The state is saved as a property of entity which can be checked when the entity is loaded again Back Ground Color Set the background color 2 4 Main View The CAD model will be displayed in the main view Users can observe manipulate and modify the CAD model with different display mode The entities in the model could be selected by mouse click and the selected entities will be highlighted The user could launch the popup menu by right clicking mouse button in the main view FDS Team China 12 Pop up menus in main window Exit Fan Orbit w Select Body select Face Select Edge Loom Select Loom Windows Visibility d Render Made d Standard View ii Section 12 Section AA Section Import entity Export Entity lide Entity Delete
43. lo calculation files but also integrates the functions of creation pre processing analysis and edition for CAD models With MCAM users are free to use the CAD models created by commercial CAD systems that support neutral CAD file formats such as STEP With the help of MCAM users are able to load the existing CAD models created by commercial CAD systems or create simple CAD models directly then convert them into MCNP calculation files Contrarily users also can invert the existing MCNP calculation files into CAD models then check or modify the models in MCAM More information please visits the website of FDS Team www fds org cn en 1 2 Main Functions MCAM includes five basic function modules Some extended modules for special use have been developed such as reconstruction of the human body model based on 2D CT images and the visualization of MCNP and TRIPOLI calculation results These extended modules are integrated in special editions of MCAM 1 Preprocessor Include the necessary functions for CAD engineering model pre processing 2 Converter Implement the converting function from CAD models into MCNP completed calculation files 3 Inverter Implement the reverse converting function from MCNP calculation files into CAD models 4 Analyzer Implement the visualization and interactive editing of CAD models including geometry information and neutronics properties 5 Creator Implement the CAD model geometry constructing fun
44. lyCard txt Ed M Output volume card Ce Mone MCHP Files Format Setting Float format 615 8f Science format 415 Be M Generat void space Reflecting surfaces 40001 40002 Void Setting Void Type C sCellNo Cell Limit 40 amp CellDesc Face Limit 250 Complement C Optimized Min Cell Size 10 If some cells of the model failed after conversion please verify that if the size of the model exceeded 5000 5000 if the model use the correct dimension unit i e cm MCAM currently supports model within in 100 meter i e From 5000 cm to 5000 cm 4 5 Invert the generated MCNP file After the conversion is finished use inversion function to read the input file and visualize the CAD model generated from the input file Chick the Tool Read MCNP button on menu or onl icon on toolbar Select the generated MCNP input file named CST txt The inverter setting dialog box appears keep the default setting and click the lt OK gt button FDS Team China 52 Invertor Setting vM Fun in stand alone process vM Show inverted cells in new model El ECAN 4 8 Beta Version KEcani opengl SEE Gd File Edit View Preprocess Convert Modeling Modify Tools Windows Help Deus eS OS 8I4 om aa aa et HAA OG804GOO082 Oc o FPOCHES RE 59 005 55 M e J Meani 3 Unnamed 101 di 2c 2 s 4 4 56 66 T o o 10110
45. nally Decompose Decompose the complex entity into several simply ones Reconstruct Reconstruct the model in order to eliminate the tiny gaps and overlaps between the neighbouring entities The original model will be decomposed into compound of several convex entities which could be exploded into several component entities Check Check the interference among the entities Explode Break a compound entity into several component entities Glue Combine several entities together as an integrated entity Write MCNP Convert the CAD model in the active view into a MCNP input file Read MCNP Load a MCNP input file convert it into a CAD model and display the model in the active view 2 3 ree View Click the View Topology Tree button on the menu will display the tree view in the left side of the main frame Each node on the tree represents a group of entities or one entity in the main view If a node is selected corresponding entities will be highlighted in the main view Different node icons represent different states of the group and entity for example Hidden or Shown The nodes in the tree view include root node group node and entity node When click the right button of mouse on nodes different pop up menus will appear and the relevant processing functions will be supplied Three kinds of pop up menus corresponding to three kinds of nodes will be introduced in the following FDS Team China 7 2 J 12 30A
46. ng again removes the cutting plane Holding Down SHIFT and clicking on the button while the cutting plane is active removes the handles from the plane Use the mouse to interactively rotate pan the cutting plane to see the sections of models in various planes Modeling and Modify G904 G08 OO 0 FO GES amp Ab Blocks Create a block Cylinder Create a cylinder Sphere Create a sphere Cone Create a cone Torus Create a torus Ellipse Torus Create an ellipse torus Hexa Create a hexagonal prism Union Combine the selected solids by addition Subtraction Combine selected solids by subtraction namely subtract solids from other solids Intersection Create composite solids from the intersection of two or more solids and remove the areas outside of the intersection Move Displace entities by a specified distance in a specified direction Rotate Rotate entities round a base point and an axis Copy Duplicate entities Rectangle Array Create multiple copies of the selected entities in a rectangle pattern FDS Team China 6 e Polar Array Create multiple copies of entities in a polar pattern e Slice Slice entities with a plane cylinder or sphere e Mirror Create a mirror image copy of entities Preprocess and Convert 00 g Hah Me M e Heal Heal the imported models created in other modeling systems into MCAM in order to make them usable Scale Enlarge or reduce selected entities proportio
47. olid will be hidden The corresponding D radon solid node in the tree view will change to hidden state gray T5 101 Similarly hidden the sphere void cell Click the Zoom to Window button a on the toolbar the model will be zoomed to fit the window as shown in the following figure FDS Team China 54 ET CAN 4 8 Beta Version FusionKeactorConceptualDesign 2010 12 14 16 32 20 U0U0 0359 FDS ope i File Edit View Freprocess Convert Modeling Modify Tools Windows Help B E B E B E E 2E B E E E Fig 4 6 2 The CAD model received by the above operation In this way the Users can hide the outer solids gradually to see the inner structures of the LLL HE Jun model Or use section view e g click the lt Z Section toolbar button to show the Z cutting plane as shown in the following figure FDS Team China 55 El ECAR 4 8 Beta Version cami opengl Selle M File Edit View Preprocess Convert Modeling Kodi fy Tools Windows Help B Bx DcHSumgdg uopogemqudcCmoo0Gmage e tus 60040Q98 m7a 40O0 889 2x AS mL 19 gia g E 85 5 M a Ready mm E Fig 4 6 3 The Z section view of the CAD model 5 Service and Support If you need more information or have any problem please contact FDS Team Professor Yican Wu P O Box 1135 Hefei Anhui China Post Code 230031 Tel Fax 86 551 6559 3681 Email software fds org cn Web Site http www fds org cn en FDS
48. play the type of selection such as body surface and edge When a group node in the tree view is selected the number of entities in this group will be displayed Display the bound box of selection if the selection is body When a group node in the tree view is selected the bound box of entities in this group will be displayed e Group Information Display the group and entity name when the group node or entity node in the tree view is selected e Color Display and assign the color information of the selected entities Users must click lt Apply gt button to change the assignment e Transparence Change the transparence of the selected entities Users can use the slide control to modify the value of transparence FDS Team China 26 3 5 3 MCNP Property Graph MCHP Source Tally Material Information Humber Density Edit Material Card Importance IMP H l IMF F l IMP e T Volume 1000 CM 3 Remark Additory MCHP Property EET sas Fig 3 5 3 1 MCNP property e Material Information Material Number Assign the material number on the selected entities or groups This assignment can be automatically entered into force without clicking Apply button Density Assign the density on the selected entities or group Do not forget to click Apply button to activate the assignment e Importance IMP P The photon importance IMP N The neutron importance IMP e The electron importance e Volume
49. surface is 1864 955992 2Radius 10 000000 Axis Normal 0 000000 0 000000 1 000000 Root Point 0 000000 0 000000 0 000000 Type of the surface is EllipseTorus The description of the surface is TE O lt 0 0 0 O 0 20 00000000 10 09000000 5 OOOOO000 Ihe area of the surface is B BT 431551 Fig 2 5 1 Information view FDS Team China 4 3 Functions 3 1 I O Functions MCAM is capable of loading and displaying the CAD file The following file formats are available FDS MCAM solid file SAT ACIS object solid file STEP ISO standard exchange file User can open the FDS format CAD file or import the CAD model directly into the current view 3 1 1 Open Tu e File Toolbar e Menu File Open Open and load an existing FDS format CAD file A new window will be created and the model will be loaded and displayed in the new window Only FDS format CAD file is supported User can load several CAD files at one time 3 1 2 Import e Menu File Import e Tree View Root tree node Popup menu Import Group tree node Popup menu Import e Main View Popup menu Import Entity Import the CAD model into the current active view and then a message box appears User can choose whether to keep the group information of the imported entities ECAN x A Do you want to use filename as the Group name for imported CELLs Yes or keep the original Group information lHo E Ho Cancel Yes Create a new group tre
50. the solids left clicking the mouse Then click the menu Modify Intersection or the toolbar D the selected solids will be intersected to one solid 3 6 3 Model Modification MCAM provides many way to modify CAD geometry models Users can use modification function Move Rotate Copy Array Slice and Mirror to create complex geometry models The array slice and mirror functions are shown in the next figure FDS Team China 42 Array Slice Mirror Select the entities to be modified and choose the modification function input the needed parameters and click OK button to apply the modification e Move Displace entities a specified distance in the specified direction O 8B amp ax dh S3 ot Menu Modify Move Toolbar Dialog Array P Slice Mirror Revolve Extrude Move Rotation Copy Array R Base Point Destination Parameters The base point and the destination define a translation vector e Rotate Rotate entities around a base point S 55 amp dh S gi Menu Modify Rotate Toolbar Dialog FDS Team China 43 Array P Slice Mirror Revolve Extrude Bios Rotation Copy Array R Center Point Axis t Ea lI DENEN Y pi T TE Z lo Z fi Rotation angle Clockwise lo C Anti Clockwise e Parameters The center point and the rotation axis The rotation angle is represented as degree measure
51. ty include nuclide density nuclide density percent nuclide mass and nuclide mass percent Users double clicks item pull down menu will be supply four options Composition Huchde ID Huclide Lib Sym bol Percent a 1 B 12 Plc cie REG 96 84000 6013 35e Cis dd eae 1 11000 3 1001 Plc jr Masc rerccot ga 966008 4 1002 Ble H2 1 82442 0068 ab 0 01500 5 8018 2le O16 6 0666e 003 ab 99 T6000 B 8017 Ble D1T 2 4325 006 ab 0 04000 T T014 Plc Wi4 2 423Te 003 ab 99 64000 8 TO15 Ble N15 8 TS69e 006 ab 0 36000 Fig 3 5 4 8 Edit material density in union b Choose material libs and user can edit them in union or individually FDS Team China 32 Composition Huchde II Huclide Symbol Density Percent 4 1 Bole Cle 2 6460e 002 ab 96 S9000 la Cls 2 9101e 004 ab 1 11000 3 1001 Hi 1 2161 e 002 ab 99 0850091 4 1002 HZ 1 8244e 0B ab 0 01500 2 Bu18 016 6 OBB6e 005 ab 99 TBODO0 B B01T c D1T 2 43252 0068 ab 0 04000 T TO14 lec Hl4 2 423Te 03 ab 99 B4000 B TO015 lec W15 8 T569e 006 ab 0 36000 i Fig 3 5 4 9 Edit material libs in union screen Huchde It is worth noting that when user choose the function to edit libs in union button is needed to be clicked after choosing the lib wanted MCAM would read lib files to screen nuclides needed automatically the nuclides not contained in the lib would be chosen in other libs automaticall
52. ve as tiff image file i Import CAD models into the current window The STP STEP and SAT mpor P IGES format are supported Export the selected entities to a model file in SAT STP or IGES format Print the contents in the current window Preview the printing effect Print Setup Setup the printing parameters FDS Team China 2 Edit Undo Undo the operation of geometry modify Redo Redo the operation of geometry modify Select Solid Set the selection mode of solid Set the selection mode of surface Choose a surface on an entity the Select Face l information will be calculated and displayed in the information view Select Edge Set the selection mode of edge Select By Single ne T Select entities by clicking left button of mouse Click Select By m Use mouse to drag a rectangle The entities in the rectangle will be selected Windows Delete Selection Delete the selected entities View Set the rendering modes such as Shaded Triangulated Hidden Line and Display Model Wireframe The camera operations include Orbit Pan and Zoom in out Information i Show hide the information windows at the bottom of MCAM Windows Status Bar Show hide the status bar Property Show hide the property dialog box on the right side Orthographic Use Orthographic mode to display the model Use Perspective mode to display the model Show hide the shadow of model
53. working coordinate system The center point of the prism is the zero crossing e Menu Modeling Hexagon Toolbar 80024 OG e Dialog Radius m O 0 e Parameters The inner radius of the prism The height of the prism 3 6 2 Boolean Operation Modeling Booleans are used to unite or intersect two or more solid bodies or to subtract one or more solid body from the other solid After creating some primitive units users can use boolean operations union subtract and intersect to create complex geometry models The boolean operations between two bodies are shown in the next figure FDS Team China 41 Original Intersect Fig 3 6 2 1 Boolean Operation Modeling Union e Combine selected solids by Boolean union operation Pressing control or shift key in the keyboard select the solids left clicking the mouse Then click the menu Modify Union or the toolbar qo Q the selected solids will be united to one solid e Subtraction e Combine selected solids by subtraction namely subtract solids from other solids Pressing control or shift key in the keyboard select the solids left clicking the mouse Then click the menu Modify Subtraction or the toolbar CD 0 Then the selected solids except the first solid will be subtracted from the first solid e Intersection Create composite solids from the intersection of two or more solids Pressing control or shift key in the keyboard select
54. y by MCAM but user can edit libs individually after that Composition Muchde ID Huclide Lib oymbal Density Percent a l 2003 Het 1 04712 0068 ab 0 00013 2004 Het 8 05462 0035 ab GO 999TTH 3 29063 Cubs 2 3505e 002 ab 69 200008 4 29065 Cubs 1 0462 002 ab 30 80000 6054 Fe54 1 59856 0004 ab 5 GO000 B 6056 Fe56 2 5300e 003 ab 91 50000 T 2B0ST Fest 5 T8T6e 005 ab 2 10000 B 26058 Fes 5 2660 006 ab 0 30000 J piz le Cl2 3 433Te 003 ab 95 59000 Fig 3 5 4 10 Edit material libs individually 7 Generate material card using Generate Material Card button The format is shown as follows Coke eoo p eoe p eoe eee eee e ee peo pee pe ee e eee e pee C 100 00 CICC Mass Density 5 1036e 000 C Total Atom Density 6 007732 002 C ekek espe pde epe e pedes pee eene M2 2003 2le 1 047leO08 He3 ab 0 00013 2004 350 8 0546e 003 Hed ab 99 9997755 29063 2le 2 3505e 002 Cu63 ab 69 2000074 29065 21e 1 04622 002 Cu55 ab 30 20000 26054 21le 1 5985e 004 FeSd ab 5 80000 26056 21le 25300e 003 Fe56 ab 91 20000 26057 21le 5 7876e 005 Fe57 ab 2 10000 26058 2le 8 2680e 006 Fe58 ab 0 30000 AOl22 le 3 4357e003 C12 ab 98 89000 amp 013 35e 3 8542e005 C13 ab 1 11000 FDS Team China 33 8 Click OK and Save buttons on lt Material Card Editing Dialog Box gt can save the material information generated as material card Material name and density are adde
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