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1. hona e cUus Monte Carlo dose diagrams ModeDW 1 4 Dose one sided Dose two sided on wo o O 2 a 3 gt D to T a 5 o oo Center Boundary MI T _ ma oo a eee ee Plot view 2D 3D Plot image to clipboard Plot data to clipboard 02 04 O06 O86 1 o o gkg de l Scaled energy deposition dose 0 02 04 O06 O86 1 i Scaled depth Scaled depth Scaling Dose 126 3 kGy Scaling X 3 cm Scaling Dose 131 1 kGy Scaling X 3 em Depth om Dose ao a Averaye dose oy Depth om base aay Average dose oy 2 856 56 24 0 82 69 al 29 26 ahe z Deviation Max eee soos Deviation Max 2 916 o ve 0 0595 49 71 pa 2 975 T 0 119 49 71 Deviation Min Deviation Min 2 975 o a px 0 119 51 59 _ pE M 0 1785 51 59 l Dose 3D Fig 16 The window Plot view 2D 3D Plot image to clipboard Plot data to clipboard 16 5 2 Analytic module After download all input data for EB radiation facility and irradiated target in the Analytic module e Click the button Calculation After finish Calculation Click the button View results after analytic calculation See Fig 1 The form Analytics dose plots for analysis of the 2D absorbed dose distributions of one two sided irradiated film located into wedge in graphical and tabular forms will be opened see Figs 17 a b Ei Analyt
2. You work with this table by analogy with the table of EB energy spectrum e Enter data of space spread to work with the frame Space spread e Click the field Point beam by a tick to work with Point beam mode e Click the field Distributive beam by a tick to work with space spread mode e Enter data of Beam diameter in cm and Full width on half maximum in cm e Click the button Save data and close this window Image of Source in the Scheme of Monte Carlo Module change into blue color 2 2 scanner e Click Scan in the Scheme of Monte Carlo Module See Fig 4 The main form for Scanner and Conveyer parameters will be opened See Fig 6 e Enter values of Speed in cm sec and Width in cm in the frame Conveyer e Enter values of Frequency in Hz and Height of scan horn in cm in the frame Scanning horn 1 Scanning system ModeDW 1 4 Scanning system Conveyor Scanning horn Regimes of scanning Speed cm sec Frequency Hz Non diverging bear 1 100 l i Defaut mode 120 300 Geometry Scan cony distance cm Scanning width oom 100 100 angle of target deq 5 Save data and clase this window Fig 6 The main form for the Scanner and Conveyer parameters e Enter values of Distance scan conveyor in cm and Width of scanning in cm in the frame Geometry e Enter values of X angle of target in degree The wedge with dosimetric film will be inclined on a conveyer platform under X ang
3. cm CSDA range cm Extrapolated range cm t Thickness cm CSDA range cm Extrapolated range cm 3 1 925 1 858 a 3 2 434 187 Figs 17 a b Frames with analytic calculation results 2D view of the absorbed dose distributions in a wedge material under one two sided irradiated with scanned EB a under one sided irradiation b under two sided irradiation e Click the button Dose 3D in the in the forms 2D view of the absorbed dose distributions under one two sided irradiation see Figs 17 a b The form Monte Carlo dose map one two sided irradiation with 3D view of the absorbed dose distribution for irradiated wedge material in graphical and tabular forms will be opened see Figs 18 a b e Additional information related to EB absorbed dose distributions are presented in this form e Average dose e CSDA range e Extrapolated range 17 gt Analytics dose map one sided irradiation ModeDW 1 4 Analytics dose map two sided irradiation ModeDW 1 4 Scaling Dose 7 54 kGy Thickness cm 3 Width cm 20 Step for width cm 1 Average dose kGy 3 507 DUR 128 Scaling Dose 8 172 kGy Thickness cm 3 Figure to clipboard Data to clipboard amA Figure sight 3D 72D Figure s turn ee si step for wiih LEM 1 Average dose kGy 7 015 DUR ee Figs 18 a b 3D view of the absorbed dose distributions in the wedge material irradiated with scanned EB c under one sided irradiation d under
4. 444 0 1123 6 692 1 lv 100 v 400 iv 32 6 z 47 1 d 0 1684 6 444 0 1684 6 692 d 0 1684 6 444 E 0 1684 6 692 a a t t a Dose 3D a Dose 3D Figs 12 a b 2D view of the absorbed dose distributions under one two sided irradiated film with scanned EB Left graph 2D dose distribution in the center line of film Right graphs 2D dose distributions near the film interface with wedge material Blue curve near the boundary from left side violet curve near the boundary from right side in direction of conveyer movement e Click the button Dose 3D in the forms 2D view of the absorbed dose distributions under one two sided irradiation see Figs 12 a b The form Monte Carlo dose map one two sided irradiation with 3D view of the absorbed dose distribution for irradiated film in graphical and tabular forms will be opened see Figs 13 a b 14 Monte Carlo dose map one sided irradiation ModeDW 17 gt Monte Carlo dose map two sided irradiation ModeDW 1 4 Scaling Dose 80 84 kGy Thickness cm 3 8 Scaling Dose 80 84 kGy Thickness cm 3 8 Width cm 2 Step for width cm 9 1 Average dose kGy 32 75 DIR a EES Aidth cm 2 Step for width cm 9 1 Average dose kGy 65 5 DUR 1 584 Figs 13 a b 3D view of the absorbed dose distributions in the film irradiated with scanned EB a under one sided irradiation b under two sided irradiation The 3 D dose distribution in irradiated d
5. cm 100 C Wean values Density qicms Atomic number Atomic weight 1 Analytics ModeDW 1 4 SOUrCE Beam current m4 Scanning Energy spread Mev Frequency Hz Moving rate cmisec 0 100 1 Angle spread dec Maximal angle deg idth of scanning cm b o oo 20 100 Target Thickness cm Cover thickness alcm2 E o z Substance Lizt of element l Calculator Foliystyrene a Polymethyl meth acrylal Carbon m Birch d Senate is q 1 008 10 Water wil E 42 04 72 Teflon Aluminum 3 16 20 lron Another material M Load data tram ME block Save data and close this window Fig 3 The form for entering of input data for EB source parameters and dosimetric wedge characteristics in the Analytic module EB Source parameters e Enter the Beam current in mA e Enter a value of the Energy in MeV e Enter a value of the Energy spread in MeV e Enter a value of the Angle spread in degree Scan and conveyer parameters e Enter the Scan Frequency in Hz e Enter a value of the Maximal Angle in degree e Enter the Width of scanning in cm e Enter the Moving rate of conveyer system in cm sec Wedge materials e Enter the Width and thickness of the target in cm e Enter the target material density in g cm e Click the List of materials with a tick e Select a material for the Target from the List of materials The atomic number Z and the atomic
6. two sided irradiation 6 Module Comparison Module Comparison is intended for the scientific analysis and comparison of calculated and experimental data of 2D absorbed dose distributions in the target irradiated with electron beam e Click the button Comparison in the Main form of the Software ModeDW See Fig 1 The form of Comparison of calculated curves will be opened for analysis of calculated and experimental data of 2D absorbed dose distributions in an irradiated target See Fig 19 ax Comparison of calculated curves ModeDW 1 4 Number of the curve gt ao One sided irradiation Curves normalized No 900 Some user result file Center a00 After MonteCarlo calculation Boundary z v After analytic calculation 700 oe decooebuuoohonoO ee ee er tae nada neni Converted dosimetrical file gt r i gt i gt After dosimetrical block 600 500 Load selected curve Delete selected curve 400 ee ee ee ee ee ee ee eee Graph to clipboard Plot mode 2D 3D 300 ine ile ales ai ia A a ele lines Taig aia i aie ae ig One sided Two sided Normalizing of all curves re a ee es me differential deviation Compare integral deviation Doo a d a a a e e a ai eee R Curve 1 Curve 2 Curve 3 Curve 4 Curve 5 D e w nu eae one Wh Order of the curves Where is data from Monte Carlo or Analytic Center or boundary Ave
7. Software ModeDW for Quality Control of Radiation Processing User Manual The software ModeDW Modelling of Dosimetric Wedge The software ModeDW is the special modules of information system RT Office 3 which are used for computer modeling of dosimetric devices Software ModeDW is intended for modeling an EB 3 D dose distribution in dosimetric film placed along the sloping surface between the two wedges made of an arbitrary materials The dosimetric wedge irradiate with scanned EB on industrial radiation facility that is based on the pulsed or continuous type of electron accelerators in the electron energy range from 0 1 to 25 MeV Schematic representation of the EB facility used for simulation of the electron depth dose distributions in the dosimetric wedge with dosimetric films irradiated with scanned EB and on moving conveyor is shown in Fig 1 In the Fig l two wedges are stacking together to form a rectangular block Dosimetric film is inserted along the sloping surface between the two wedges made of an arbitrary materials The rectangular block can be located under arbitrary angles relatively incident electron beam axis Dosimetric film Fig 1 Model of the dosimetric wedge with dosimetric film irradiated by scanned EB axis X direction of EB incidence axis Y direction of EB scanning axis Z direction of conveyer motion Simulation of EB dose distributions in an irradiated films located in the wedge was accomplished by t
8. d Wedge Film and Wedge materials e Enter the Density of film material in g cm See Fig 8 left side in the Target material frame e Select a material for the Film from the List of materials The atomic number Z and the atomic weight W of the material appear in the corresponding boxes e Select the button Another material for materials not given in the List of material e Enter the values of Z and W for another material e For compounds and mixtures Click the window Table right up corner in the Target material frame See Fig 8 The frame Correct table for film will be opened See Fig 9 E e Enter the necessary number N constituent elements for Rows compounds and mixtures in window Rows E e Click the button Correct table for film Corect table forfim The table with N rows will be opened eth e Enter the atomic number Z and the atomic weight W for i constituent elements 5 00 4a 5 36 Fig 9 Frame Correct table for film 12 Input data for wedge materials are entered in a similar way to film materials Film and Wedge geometrical characteristics e Enter the Film width Film thickness and Film displacement in cm See Fig 8 right side in the Target geometry frame e Enter the Wedge width Wedge thickness and Wedge length in cm e Click the button Show The scheme of the Film arrangement into Wedge wil
9. ed into wedge in graphical and tabular forms will be opened see Figs 12 a b Monte Carlo dose diagrams ModeDW 174 Dose one sided Dose two sided s s t T Center T Boundary t o ao 12 612 o r 7 e 1 1 Ie ietetetetatat 1 fetetetetets tatetetettete eietatetetetet aietetetetate e SOE 208 a e 306 5 OG gt 6 7 S04 Bo 4 F 4 u D D 1 l l t gt m p2 t 2 ao a Q s cs O i 0 Lae z 0 pine no 8 eb Oa no oe a ma ed p oO 602 O4 O6 O8 1 yo na mM ma Ma Scaled depth Scaled depth Scaled depth Scaled depth Scaling Dose 8 79 kGy Scaling X 3 cm Scaling Dose 12 28 kGy Scaling X 3 em i Scaling Dose 11 33 kGy Scaling X 3 cm Scaling Dose 13 11 kGy Scaling X 3 cm I e e Depth em Dose kGy A Average dose kGy Depth em Dose kGy a Average dose kGy w Depth em A Average dose kKGy Depth em Dose kGy ig Average dose kGy 5 987 A 4 313 0 7 583 a 4 295 i 5 987 8 625 0 7 683 8 59 i snnnnannnnnansennnnnsnsnsnnnscssnnnd Ll me i mnannnananans 0 05614 5 987 N 0 05614 7 583 Ss 2 p ei Deviation Max SESSU as Deviation Max n Deviation Max Deviation Max p 0 05614 5 815 104 0 05614 6 737 166 p 0 05614 5 815 314 0 05614 6 737 526 u 0 1123 5 815 ve 0 1123 6 737 me z ae aers Deviation Min pide hes Deviation Min t 0 1123 6 444 Deviation Min 0 4123 6602 Deviation Min t 0 1123 6
10. h of dosimetric film is coincided with direction of EB scanning Angle can be changed in the range from 0 to 90 The rectangular block can be located on the conveyer platform under arbitrary angles X relatively incident EB axis in plane of EB scanning XY Fig 7 Geometrical model of dosimetric wedge with dosimetric film irradiated with scanned EB Axis X direction of EB incidence axis Y direction of EB scanning axis Z direction of conveyer motion D Displacement Length of dosimetric film is located in direction of conveyer motion Angle can be change in the range from 0 to 90 Angle X can be change in the range from 0 to 90 Displacement can be change in the range from 0 to 2 of wedge length Input data for wedge and film characteristics e Click Target in the Scheme of MC Module See Fig 4 The form for entering of input data for irradiated Wedge Film and wedge will be opened See Fig 8 11 iFilm and wedge ModeDW 1 4 Target material Target geometry Dosimetry film Film width fom Wedge width crm E 2 10 Density igfoms Another material Dosimetry wedge Density g ona Poliystyrene Polymethyl meth acnylat Film thickness em Wedge thickness om E of 3 Film displacementiem Wedge length om E 4 20 Show Unda Save data and close this window Fig 8 The form for entering of input data for irradiated Film an
11. he MC method in a tree dimensional 3 D geometrical model by the programs ModeDW In accordance with the schematic representation of electron beam facility and heterogeneous target presented in Fig l a source of electron beam including spectral characteristics a scanner a conveyor line an irradiated target are considered as uniform self consistent geometrical and physical models The physical model of an irradiation process in dosimetric wedge includes the following principal elements EB irradiator characteristics the systems parameters which provide the necessary spatial characteristics in radiation processing radiation and physical characteristics of irradiated product Besides the set of processes of interaction of ionizing radiation with wedge material which are necessary for description of results with the established accuracy are included in physical model at the theoretical analysis and computer modeling of ionizing radiation expose on wedge The following processes of interaction of an EB with material and their modeling conceptions were included in the physical model e electrons lost energy by two basic processing inelastic collisions with atomic electrons and bremsstrahlung e inelastic electron collisions with atomic electrons lead to excitation and ionization of the atoms along the path of the particles model of grouping of the transferred energy e emission of the secondary electrons model of the threshold energy e elect
12. ics dose plots ModeDW 1 4 gt t Analytics dose plots ModeDW 1 4 Dose one sided Dose two sided l Dose one sided Dose two sided s s t D Center Boundary t Canter o Ee ei 12 2B e 5 1 s 1 i B 1 5S s oOo o 084 o 08 B r 2 2 r 0 8 e 306 3 O06 e D 06 z 5 5 s S s g 0 4 g 0 4 u 3 0 A w a I T t z 0 2 z 0 2 502 s 2 2 oA g 0 TERU s 0 E p oo 0 0 2 04 06 08 1 ra D 02 0 4 06 08 1 p 02 0 4 06 08 1 0 02 04 06 08 1 z Scaled depth Scaled depth Scaled depth Scaled depth i i i Scaling X 3 i pcaing Dosa eee peang kinem assole Dose Ird koy mets oe i Scaling Dose 8 117 kGy Scaling X 3 cm Scaling Dose 8 1 kGy Scaling X 3 cm e i e w Depth cm Dose kGy a l Average dose kGy Depth cm Dose kGy A Average dose kGy Depth em Dose ky A Average dose kGy Depth cm Dose kG Average dose kGy i o 12 9 pe z o 12 89 eae o 4942 7 123 o 484 7 145 0 06 13 32 ae 0 06 13 32 aes i n a a Deviation Max a Deviation Max 0 06 5 119 Deviation Max 0 06 5 117 Deviation Max p 408 408 p 0 12 5 297 aa 0 12 5 295 BEA u 0 18 14 02 as 0 18 14 01 on A 048 JEE 048 5483 t 024 1432 Deviation Min 024 1432 Deviation Min t Apa eee Deviation Min aba anal Deviation Min G x 99 1 liv 99 1 30 6 30 6 d ae 14 61 AEN oe 14 6 5 d 03 5 904 M i 03 5 001 M i a a t Thickness
13. l appeared on the Fig 8 in the Target geometry frame e Click the button Undo The previous variant of the scheme of the Film arrangement into Wedge will appeared on the Fig 8 in the Target geometry frame e Click the button Save data and close this window Image of Target in the Scheme of MC Module change into blue color Start calculation After loading all input data for EB radiation facility and irradiated target e Enter the Number of trajectories e Select the mode of calculations Mode 1 or Mode 2 Default mode is Mode 1 e Click the button Simulation SREE The Software ModeDW will show starting time and define time required for calculation See Fig 10 d stop 12 15 41 start 12 15 36 required 00 01 47 Fig 10 Frame simulation e Click Stop to interrupt calculation and reenter ston data i o When MC simulation will be ended the button View Ka T results after MC calculation will be active eared qasnen You can select item and work with results See Fig 11 view resus atter ME calculation Fig 11 Frame with simulation results 13 5 Analysis and comparison of simulation results Output data 5 1 MC module After finish MC Simulation Click the button View results after MC calculation See Fig 11 The form Monte Carlo dose diagrams for analysis of the 2D absorbed dose distributions of one two sided irradiated film locat
14. le relatively incident EB axis in plane of EB scanning XY Angle X can be changed in the range from 0 to 90 e Click the field Non divergent beam by a tick to work with parallel ray scanned electron beam The target will be irradiated with non divergent scanned electron beam e Click the field Triangular scanning by a tick to work with triangular scanned electron beam The target will be irradiated with triangular scanned electron beam e Click the window Default mode by a tick to work with linear time current curve in scan magnet saw tooth form of current e Click the window Custom mode by a tick to work with the nonlinear time current curve e Enter a rows number of the table e Click the button Correct table and work as well as with tables for an electrons source The values of time and current are dimensionless e Click the button Save data and close this window Image of Scan in the scheme of MC Module change into blue color 10 2 3 Wedge and Film Geometrical model of dosimetric wedge Fig 7 demonstrates the geometrical model of dosimetric wedge irradiated with non diverging EB on moving conveyor In the Fig 7 two wedges are stacking together to form a rectangular block Dosimetric film is inserted along the sloping surface between two wedges with angle made of an arbitrary materials Rectangular block with dosimetric film is located on a conveyer platform in a such way that lengt
15. llowing problem tasks in radiation processing 1 Determination of dependence of an absorbed dose distribution in a film as function of density and a chemical composition of film material width and thickness of a film geometrical arrangement of a film in a wedge and stack density and a chemical composition of a wedge and stack materials geometrical sizes of a wedge and stack an orientation angle of a wedge and stack relatively to incident electron beam 2 Examination of dependence of an absorbed dose distribution in a film as function of an EB current and speed of a conveyer motion an angular distribution of electrons in a beam a spatial distribution of electrons in a beam a width of EB scanning an angular characteristics of a scan process atime sweep of the scanner an air gap between the scanner and a target 3 The comparative analysis of visual and numerical difference of the depth dose distributions in a film for various parameters of calculation various calculation models an experimental and calculated depth dose distributions in a film The feature of the software ModeDW are the following 1 Built in tools for statistical analysis 2 Built in tools for uncertainties estimation of results simulation due to uncertainties of input data for radiation facility 3 Estimation of uncertainties for physical models 4 Comparison Modulus for visual and a numerical analysis of calculated and experimental data and for decision of optimizatio
16. module is intended for Open and view results trom file preparing of experimental data This block allows to load data files invert and move each experimental curve cut and scale transform to format of Comparison module Loaded data of irradiated target Fig 1 Main form of the Software ModeDW To work with software ModeDW tModeDW EX e Click the File then Open configuration OE Hel About then select Irradiating system and load the Open configuration A e Trradiating system file Test rts Save configuration as ie tel te rele i r e TEn cet ee Again click the File then Open configuration then select Irradiated Fig 2 Frames target and load the file Test rtt SeeFig 2 Open configuration Note Only after loading the Test rts and Test rtt files user can change all characteristics of EB facility and dosimetric wedge for simulation EB processing If all input data are saved color of the scheme MC simulation module changes to blue Input data 1 Analytic module Analytic module is intended for fast analytic calculations of the absorbed dose distributions in the wedge material irradiated with scanned EB on moving conveyer e Click the button DATA in Analytic module See Fig 1 The main form for entering of input data for EB source parameters and dosimetric wedge characteristics will be opened See Fig 3 Energy Mex Width
17. n an irradiated target See Fig 21 a e Load a text file with experimental data from hard disk A file may contains three or two columns X and Y or X Y1 Y2 See Fig 21 b Loaded data are showing into the plot and into a grid and the buttons Move and Invert Cut and Scale Convert data for Comparison appear See Fig 22 a b e To move selected curve to left or invert one you need to use the control panel that will open when the button Move and Invert is pressed To save changes press the button Apply e Click the button Cut and Scale to cut and scale curves data e To cut a part of curves select by a tick the Marker 1 and move a mouse pointer to the plot In this point a vertical red line appears into plot You move it and place by left mouse clicking It is a first limited line You make the same with Marker 2 and place a second red line See Fig 22 a Preparing of experimental dosimetric data Dose unknown 0 Depth unknown hese saved flm file x Depth unknown e saved flm file wl Blue curwe 11 Move and Inverte Move to left e nyerne green cume Cut and Scale jo E Inverte blue curve Convert data for Comparison Apply Depth unknown x Average dose Dose Min Dose Max z gt o Load saved Am nile 0 2769 i486 a28 18 45 i458 Maker i i 4 9637 Move and hemta Integral error Differential error Move and Inverte par jesss 3 347 6 665 X scale mul
18. n form of Source for entering and correction of EB parameters Beam current The frame Beam current consist of some fields There are two regimes for input data Pulsed regime and Average current e Click the Pulsed regime by a tick to work with Pulsed regime data e Enter the values Impulse current in A Impulse time in msec Repetition frequency in Hz e Delete a tick from window Pulsed regime to work with Average current mode e Enter the value of Average current in mA EB energy spectrum Fields for EB energy are placed into the frame Spectrum e Click the field MonoEnergy with a tick to work with MonoEnergy mode e Enter a value of the Energy e Click the field Spectrum with a tick to work with EB energy spectrum mode e Enter a rows number in the table Click button Correct table e Enter or edit table data A left mouse button allows to insert a row in the table or delete selected row When rows number is changed by left mouse button the field N rows will change accordingly At this point Energy field will be inaccessible Angular spread e Click the field MonoDirect by a tick to work with MonoDirect mode The target will be irradiated with non divergent scanned electron beam e Click the field Angular spread by a tick to work with Angular spread mode e Enter a rows number in the table Click button Correct table e Enter or edit table data for the beam angle spread
19. n tasks in radiation processing 5 Built in tools for processing of experimental dosimetric data and their comparison with simulation predictions The software have intuitively clear graphical interface for the end users with the following features 1 Detailed decomposition of input data for main elements of source and target including spectral characteristics for irradiation source 2 Two levels for entering of input data via configuration files and manually 3 Expert control for the range of input data and co ordination for the set of geometrical and physical input data 4 Compatibility of export an input data to different modules How to get results Software ModeDW Software ModeDW consists of four 7 thematic modules and service blocks File Help About See Fig 1 Analytics Daa Analytic module is intended for fast analytic estimations of the absorbed dose distributions in the dosimetric wedge OMe Wario e irradiated with scanned electron beam Number of EB on moving conveyer hlode 1 module is intended for exact calculations C Mode 2 trajectories fond B e Monte Carlo MC simulation of absorbed dose distributions in the film located into dosimetric wedge irradiated with scanned EB on moving conveyer Simulation Comparison module is intended for scientific analysis and comparison calculated and prepared experimental data Ser vites Comparison Dosimetry Dosimetry
20. n the plot to have the better sight To do it you need to place cursor above this area You press left mouse button it is the left top corner of rectangle and holding down this button draw down rectangle around plot area The point where you release left mouse button is right bottom corner of rectangle The increasing of selected area is a moving down cursor from left corner to right corner The decreasing of the area coming back is a moving upwards cursor from right corner to left corner
21. osimetric films located in the wedge is represented as a function of two coordinates the film width along conveyer motion axis Y and the film length along scan direction axis Z the dose value integrated along film thickness axis X e Click the button view input data in the forms 2D view of the absorbed dose distributions under one two sided irradiation see Figs 12 a b left side The form Configuration data for Monte Carlo calculation will be opened see Fig 14 i Configuration data for Monte Carlo calculation Model modelling of a dosimetry werge Source Pulsed regime NoAverage curent 1 000 Spectrum Monok nergy Yes Spectrum No Energy 10 000 Angular spread MonoDirect es Angular spread Ha Space spread Point beam Yes Distribute beam Mo Scanning system Conveyor speed 1 000 Conveyor width 120 000 Scanning frequency 100 000 Scanning horn height 300 000 Scar cony distance 0 000 Scanning width 100 000 angle of target 0 000 Non divernging beam Yes Triangular scanning Ho Default mode Yes Custom mode No radiated volume Film Density 1 000 Width 2 000 Thickness 0 100 Displacement 2 000 Material 4 w 6 1 00 Irradiated volume Wenge Density 2 700 Width 10 000 Thickness 3 000 Length 20 000 Maternal 2 YW 13 1 00 Fig 14 Table with all input data of radiation facility regimes irradiation irradiated target which are u
22. radiating system Open configuration t Save configuration as EERE arane eR radiating system Exit The Software ModeDW has some programs for visualization of calculated results There are two viewers e The 2D viewer Dose distributions after MC and Analytic calculations with 2D absorbed dose distributions in graphical and tabular forms for irradiated target This viewer is intended for analysis of the plots with 2D absorbed dose distributions for film center and near the boundary of film with wedge materials or with air Exit Irradiated target e The 3D viewer Dose Map is used for analysis of 3D view of dose distribution in irradiated target Dose Map is viewer for showing 3D view of the dose distributions Dose Map along length axis Y and along width axis X in graphical and tubular forms for irradiated target You can see diagram data table and some important characteristics You can turn figure of diagram and choose optimal angle you can send figure to clipboard At the bottom of viewers screen form there are hints about buttons actions To exit viewer you can use button Close e Every page with figures has button To clipboard To send plot to clipboard you need to click on this plot and to press To clipboard e You can write calculated result on hard disk as file mon or ana after MC or analytic calculations respectively eYou can increase some area selected o
23. rage dose Ky Dose minimum Ky Dose maximum Ky Dose D00 ky Integral error of values Differential error Fig 19 Form for analysis of calculated and experimental data 18 e Select for analysis the calculated curve in the frame under the window Number of the curve For that click the selected curve with cursor There are the following variants of curves for the selection 1 Some user result file simulation results of the EB 2D dose distributions which were previously stored in the files 2 After Monte Carlo calculation the results of current Monte Carlo calculation of the EB dose distributions in the target 3 After analytic calculation the results of current Analytic calculation of the EB dose distributions in the target 4 Converted dosimetric file results with dosimetric experimental data which were prepared and saved after processing of dosimetric films with the Dosimetry module 5 After dosimetric block results related with dosimetric experimental data e Select the position of dose distribution in the Center or Boundary of irradiated target for the chosen curve of 2D dose distribution e Select by cursor the any of 5 columns of the table in the bottom part of the form the Comparison of calculated curves The selected column number will be automatically entered to the window Number of the curve e Click the button Load selected curve The characteris
24. rons participated in elastic collisions with atomic nuclear lead to changes in the electron direction model of grouping of transferred pulse In the energy range of incident electrons from 100keV to 10 MeV and irradiated materials with atomic number Z lt 30 the model uncertainty is less than 5 for calculated dose and charge depositions in the field of the basic EB energy absorption The 3 D dose distribution in an irradiated dosimetric films located in the wedge is represented as a function of two coordinates the film width along the scan direction axis Z and the film length along conveyer motion axis Y the dose value integrated along film thickness axis X Modeling of EB transport from the exit window of accelerator to the incident surface of the irradiated target takes into account scattering of electrons in an air gap The requirements for computer modeling were chosen so that in selected range of absorbed doses the relative root mean square statistical error was less than 1 The software ModeDW provides the end user with data sets in the graphic and tabular form for an absorbed dose within the dosimetric devices irradiated with a scanned EB comprehensive comparative analysis of output data cognitive visualization of output data decision of optimization problems with using dynamic and statistical databases presentation of physical and operational characteristics for radiation processing Developed software can be used for the fo
25. s 19 Example of 2D EB dose distributions in two sided irradiated wedge with film Curve 1 EB dose distribution in the center line of film in direction of EB scanning calculated with MC method Curve 2 EB dose distribution in the center of a wedge material calculated with Analitical method Curve 3 EB dose distribution near the film boundary with wedge material calculated with MC method You can Delete selected curves and make for all curves Normalization The function of button Compare right down side in the Comparison of calculated curves frame allows to make comparison of 2D dose distributions for 2 any curves to obtain the values of differential and integral deviations in between compared curves see Fig 20 e For that select the numbers of 2 compared curves and click the button Compare e To copy the results comparison into your document Click the button Plot mode 2D 3D if it is necessary and then Click the button Plot to clipboard and paste them to your document 8 Dosimetry module Block Dosimetry is intended for processing of dosimetric films with experimental data and for preparing data for Comparison module e Click the button Dosimetry in the Main form of the Software ModeRTL See Fig 1 The form of Preparing of experimental dosimetric data will be opened for analysis of calculated and experimental data of 2D absorbed dose distributions i
26. sed at MC simulation 15 e Click the button store results in the forms 2D view of the absorbed dose distributions under one two sided irradiation see Figs 12 a b left side The form Store results will be opened see Fig 15 The MC calculation results will be stored in the folder RTData gt Mo arasa ectus fso c Dennen bose ay Average dose Gy nte Carlo dose diagrams Model Dose one sided Dose two sided Nanka D RTData v 3 12 ventar AHPVC 10Me rnon o s Al PYC 10Me Spectr angle Spr mon 1 E TestR1 mon 608 a 2 0 6 gt m 3 0 4 ia 0 2 E 0 H A Pry C OM e 5 ectl arie eS mor i ue a can on l Tun pa na Monte Carlo results mon v Otmena Scaling Dose 126 3 kGy Scaling X 3 cm 2 856 0 56 24 29 26 aele t Deviation Max See oe Deviation Max 2 916 o a 0 0595 49 71 345 2 975 o l Deviation Min Deviation Min 2 975 o 0 119 51 59 100 100 a 0 1785 51 59 l Dose 3D Fig 15 The form Store results e Click the Plot Centre Boundary by the mouse right button in the form 2D view of the absorbed dose distributions under one two sided irradiation see Figs 12 a b The window Plot view 2D 3D Plot image to clipboard Plot data to clipboard will be opened see Fig 16 These options allow to save and manipulate with image and calculated data i
27. tics of the 2D dose distribution curve will be appeared in the chosen column And the graph of the 2D dose distribution curve will be appeared in the graph area In a such way you can enter for analysis up to 5 curves of 2D dose distributions in the graph area See Fig 20 ax Comparison of calculated curves ModeDW 1 4 Number of the curve gt 3 Some user result file Center After MonteCarlo calculation After analytic calculation Converted dosimetrical file After dosimetrical block 0 6 Load selected curve Delete selected curve Graph to clipboard Plot mode 2D 3D 0 4 One sided Two sided Normalizing of all curves 0 2 Two sided irradiation Curves normalized No ie differential deviation or nage earn ape aie 2 11 028 oo m de PS a doa fa dg de dn a 3 a 4 4 integral deviation E Curve 1 W Curve 2 W Curve 3 W Curve 4 Hi Curve 5 5 5 0 2033 Scaling Dose 12 07 kGy Scaling X 3 cm Order of the curves Curve 1 Curve 2 Curve 3 Curve 4 Curve 5 Where is data from After calculation After calculation After calculation Monte Carlo or Analytic M C 1000000 Analytic M C 1000000 Center or boundary Center Center Boundary Average dose kGy 8 625 7 123 3 59 Dose minimum kGy 5 815 4 942 5 486 Dose maximum ky fo g 8 117 12 07 Dose Di0 ky 5 987 4 942 7 583 Integral error of values 0 25 1 605 0 25 Differential error 1 4 1 Fig 20 The form of Comparison of calculated curve
28. tiplier Y scale multiplier i i ee F E EE ere you can place couple strings of comments in a new file intended for Compal ho e g ea m i Cut and Scale ___Cutendscale_ koj IAEAR TD ata Exp tet a j fl Convert data for Comparison Siment EES pc Apply Apply Save as tim To clipboard Fig 22 a b The forms for Processing of experimental dosimetric data e Click the button Apply to scale the curves A part of curve placed between two Markers will saved a plot will repaint and a grid will rewrite See Fig 22 b The button Convert data for Comparison and its control panel provides the data for Comparison block If you have made a scale of curves the pressing of Apply creates a new red curve onto plot and show new data in the grid See Fig 22 b These data may be stored to a file with using Save as flm file You can work with a film file if load it 9 Service blocks The Software ModeDW has service blocks open and save input data about configuration of irradiation process Click the File in the Software ModeDW master menu 21 Select Save configuration enter file name and save input data for MC calculations If you want to continue calculation that you made earlier and saved data configuration you need click File in the Software ModeDW master menu and Select Open configuration from list SModeDW 0 iModeDW __ ZET Help About JET Help About Open configuration d e
29. weight A of the material appear in the corresponding boxes e Click the Mean values with a tick e Enter the mean values of atomic number Z and the atomic weight A for materials compounds and mixtures not given in the List of material e Module Analytic provides a loading of saved data from the MC module To do it Click the button Load data from MC block e After loading all input data in Analytic module Click the button Save data and close this window e Click the button Calculation to obtain analytic calculation results 2 Monte Carlo simulation module Monte Carlo MC simulation module calculates the absorbed dose distributions in the film located into dosimetric wedge irradiated with scanned EB on moving conveyer 2 1 Source Monte Carlo Number of e Click Source in the Scheme of MC Module trajectories 000000 See Fig 4 The main form for Source Electron Accelerator AN Mode 4 parameters will be opened See Fig 5 lO Wode 2 Fig 4 Scheme of MC Module 1 Source ModeDW 1 4 Beam current Spectrum Angular spread Pulsed regime MonoEnergy Energy hte a MonoDirect a gt PeECtrum Average current m4 M Rows 3 Correct table Impulse current 4 40 Impulse time MSec 1 11 Repetition Hz Space spread Beam diameter om Full width on halt maximum Corm Booo o a Save data and close this window Fig 5 The mai

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