IDAT User Manual - Nuclear Energy Agency
Contents
1. maT Lo ea File Database NEA Window Help Search RankSimiar en son puck see reac coer KIN RRATE POWDIS Ek okee T Refine search New search T Horiz E vert Cree Plots 44 ParPlots Balance plots Spectra Sensitivities JE Columns Evaluation identification Case identification Meshtal Code Meshtal Library Meshtal matching cases Gi JATR FUND RESR 001 ATR FUND RESR 001 001 Mone ENDF B VI 0 Wed 1 a BFS 1 FUND EXP 001 BFS 1 FUND EXP 001 001 MO ENDF B VI Meshtal 16 Di CRIT Criticality Measurements d BUCK Gei amp Extrapolation Length BESCHTE SEL BFS 1 FUND EXP 001 002 16 a pesmi pore BFS 1 FUND EXP 001 BFS1 FUND EXP 001 003 16 8 fe REAC Reactivity Effects BFS 1 FUND EXP 001 BFS 1 FUND EXP 00 1 004 ENDF B VI Meshtal 6 RW Ex t i BFS 1 FUND EXP 001 BFS 1 FUND EXP 001 005 16 E COEF Reactivity Coefficients anh parap riers BFS 1 FUND EXP 001 BFS1 FUND EXP 001 006 1 Z RRATE Reston nae Sept RSR ECH IBFS1 FUND EXP 001 007 16 ai o e BFS 1 FUND EXP 001 BFS1 FUND EXP 001 008 16 db Caladated Data Over Entire System PFSEFUND XP 001 IBFS1 FUND EXP 001 009 16 sch Harare BFS 1 FUND EXP 001 BFS1 FUND EXP 001 010 16 Sieg BFS 1 FUND EXP 001 IBFS1 FUND EXP 001 011 16 Ce BFS 1 FUND EXP 001 BFS1 FUND EXP 001 012 16 wy ai rcs BFS 1 FUND EXP 001 IBFS1 FUND EXP 001 013 16 A BFS 1 FUND EXP 001 BFS 1 FUND EXP 001 014 16 BFS 1 FUND EXP 001 BFS2. DAT o s a a a a a IIIM iIo e BE Seng Search RankSimiar_ en on puck spec reac oe lol RRATE POWDIS in Case ID Uncertainty T Region Skeff 5 Keff pam ow GCR EXP 001 001 em d 45 i 45 1 F Reactor type sition E A h F Facility type JASTRA GCR EXP 001 001 Composition oolant Moderator Reflector 244 244 SI Region JASTRA GCR EXP 001 001 Composition oe 40 40 e s ASTRA GCR EXP 001 001 Composition 24 24 Uncertainty Th SR ke GCR EXP 001 001 Geometry dad 50 50 JASTRA GCR EXP 001 001 Geometry Coolant Moderator Reflector 80 80 JASTRA GCR EXP 001 001 Geometry e 209 209 _ E zr 1100 1000 200 800 E zo S P 2 600 E 5 mm 2 gt 400 300 Ga 200 and la sl 100 Part Average of and 5 a H Ae PERII o e Sortby Average increasing D KE Bes soe SESE SPO ax se EE SA el sie Sees cS PKS SKS f A Kat S v K KENS OROA gt D ep l 1044 Glover 100 2 points Ke a y amp e RB msm Figure 23 6 CRIT tab displaying the benchmark model uncertainty averaged by reactor _ The 6 CRIT tab allows plotting and trends of the Ke benchmark uncertainties Uncertainties can be displayed by type such as Composition Geometry Measurement or by regions such as Fuel Coolant Moderator Reflector Core See Figure 24 mar Ganz File Database NEA Window Help
3. OcRIT BUCK SPEC REAC COEF KIN RRATE POWDIS Case ID GCR EXP 001 001 Uncertainty Type Composition 6 Keff pcm 0 Keff pom JASTRA GCR EXP 001 001 Composition JASTRA GCR EXP 001 001 Composition GCR EXP 001 001 Composition Geometry ed Geometry Geometry e 209 JASTRA GCR EXP 001 001 ASTRA GCR EXP 001 001 JASTRA GCR EXP 00 1 001 Tn Evn Ani AA 850 800 750 700 650 600 550 500 450 400 350 ail RBMK SSS SS S8S888 z a D 5 Bielsly isl s D e i H KKH SJ E 5 SSSS8 888 i Geometry Measurement Modelling Ly TOTAL Se Plot options Group by Reactor Type z and By uncertainty type D Part Average of and 5 Sort by Average increasing D H Ki z ok f Uncertainties pcm 8 Jaar 3 LMFR HWR PWR WER FUND GCR m Composition W Geometry D Measurement O Modelling W TOTAL over 100 RB moss Figure 24 Plotting vm uncertainty data grouped by Type Note When plotting TOTAL the total is the components summed in quadrature Page 26 of 36 IDAT User s Manual 7 Troubleshoo
4. Each of the tabs has a similar functionality for the different measurements An explanation of the quantities displayed is below mar e fatal File Database NEA Window Help Search 1 RankSimiar CRIT Scam Buck spec reac oo KIN RRATE POWDIS Case ID Exp Exp Uncertainty Code library Calc Calc Uncertainty C E GCR EXP 001 001 1 10 0036 MCU REA1 DLC MCUDAT 2 2 0 9912 __ 5e 4 0 9912 a GCR EXP 001 002 1 10 0036 MCUREA1 DLC 4MCUDAT 2 2 0 9936 ei 0 99365 GCR EXP 001 003 1 0 0036 MCUREA1 DLC MCUDAT 2 2 0 9977 5e 4 0 9977 TI GCR XP 001 004 1 10 0036 MCU REA1 DLC MCUDAT 2 2 0 9989 5e 4 10 9989 GCR EXP 001 005 1 10 0036 MCUREA1 DLC MCUDAT 2 2 1 0006 5e 4 1 0006 TR FUND RESR 001 001 1 0018 0 0035 MOES ENOF B V 0 0 9982 te 4 0 996406 ATR FUND RESR 001 001 1 0018 0 0035 Moes ENDF B V1 8 0 9935 ez 0 991715 TR FUND RESR 001 001 1 0018 0 0035 Moes ENDF VIL 0 0 9993 ez 0 997504 TR FUND RESR 001 001 1 0018 0 0035 Moes DEFF 3 1 0 9985 ez 0 996706 TR FUND RESR 001 001 1 0018 0 0035 Moes DENDL 3 3 1 0003 ei 0 998503 1 FUND EXP 001 001 1 001 0 0029 APOLLO2 MORET4 CEA93 V6 172G 0 9958 2e 4 0 994805 1 FUND EXP 001 001 1 001 0 0029 og JENDF B V 238G 1 001 5e 4 1 1 FUND XP 001 001 1 001 0 0029 S 22 4 0 999001 1 0225 goodness of fit reduced
5. S E FISSION E eastic 16 441 E INELASTIC E NUBAR e MCNP ENDF B V BFS1 FUND EXP 001 001 J BFS1 FUND EXP 001 004 BFS 1 FUND EXP 002 001 BFS2 FUND EXP 001 001 CORAL 1 FUND RESR 001 001 HECTOR FUND EXP 001 001 HECTOR FUND EXP 002 001 L IGR FUND RESR 001 001 IGR FUND RESR 001 002 1E 12 ch 1E 13 1E 5 1E 4 1E 3 1E 2 1E 1 1E0 461 1E2 1E3 1E4 1E5 1E8 1E7 U Energy eV A 2 2 S S 8 S o 8 E ATR FUND RESR 001 001 MCNP ENDF B VILO FLUX m ATR FUND RESR 001 001 MCNP ENDF B VII 0 CAPTURE 72M of 683M Figure 9 Spectra plot in IDAT IDAT can plot spectra and sensitivity data Clicking on the Spectra plots or Sensitivity plots buttons will return a plot screen with a list of evaluations that have matched the query and contain either spectra or sensitivity information depending on the plot type selected To plot Select the dataset s in the tree on the lower right pane Select the representation e Y axis log for Spectra only e Per unit lethargy Per unit energy Total within bin e Normalisation to one or the default normalisation for Spectra only e Energy Group structure select one structure from the drop down list press the button to add an energy file to this list All data share the same representation When you change the energy group structure all plots and the table are automatically updated To zoom in drag the mouse
6. 0 0 625 eV Log color scale 3 0 decades X cm 0 0 0 0eV X 1 0 2 0 4 0 5 0 Z 80 0 100 0 1 52137E 5 E Figure 11 2D Slice NRAD thermal captures Bottom plot displays capture profile along X axis at the point the cursor is located Page 13 of 36 IDAT User s Manual D LCT60 N4 RBMK DET UNIFORM DRY CASE 2 ENRICHED FUEL MeshTal Viewer Files ask 2DSurf 30 view 30 Iso surface 400 0 A Co Ee Les 344 0 Display XForm A coord XForm B coord SE Collapse P paar Tae CC 288 0 Mesh Tally Number 14 Capture Mesh Tally Number 24 Fission Mesh Tally Number 34 Elastic Scattering 260 0 Mach Tallis Number s4 E 220x220x15 Values range 0 0 6 00873E 5 232 0 Rel Err range 0 0 1 0 204 0 d 100 0 keV GD 176 0 nay Data e aM 148 0 Paste x Y Z Value data View 120 0 Pov TOP x Zoom Q 92 0 Show Rel Err V Show arid F 3Drender SURFACE x i 3D transparency Q AER 36 0 Color scale RAINBOW a a0 Per slice color scale Log color scale 3 0 gt decades 20 0 E Ee 20 De d 7 a Figure 12 2D Surface plot RMBK thermal flux Te 3 jy ATR FULL CORE MODEL FOR ICSBEP EVALUATION MeshTal Viewer l ali Files 2D Sice 2 surf 30 View Iso surface x 20 0 MeV A gt 100 0 keV B Display lt XForm A coord I XForm B coord KT A 7 63 0 A 50 0 Collapse A_GRID e E Mesh Tally Number A R 11 0 ES Mech Tally Nu
7. 1 FUND EXP 001 015 16 BFS 1 FUND EXP 001 BFS 1 FUND EXP 001 016 16 BFS 1 FUND EXP 002 BFS 1 FUND EXP 002 001 Mo GER IMeshtal 1 BFS 1 FUND EXP 003 BFS 1 FUND EXP 003 001 2 BFS 1 FUND EXP 003 BFS 1 FUND EXP 003 002 2 BFS 1 FUND EXP 004 BFS 1 FUND EXP 004 001 Mos CS ER Meshtal 2 BFS 1 FUND EXP 004 BFS 1 FUND EXP 004 002 2 IBFS2 FUND EXP 001 BFS2 FUND EXP 001 001 Mo ENDF B VI IMeshtal 1 CORAL FUND RESR 001 _ CORAL FUND RESR 001 001 MCNP ENDF B VII O __ Meshtal 1 IFRO FUND RESR 001 FRO FUND RESR 001 001 9 IFRO FUND RESR 001 IFRO FUND RESR 001 002 9 IFRO FUND RESR O01 FRO FUND RESR 001 003 9 IFRO FUND RESR 001 IFRO FUND RESR 001 004 9 IFRO FUND RESR 001 FRO FUND RESR 001 005 9 FRO FUND RESR 001 FRO FUND RESR 001 006 a Uncheck all FRO FUND RESR 001 IFRO FUND RESR 001 007 9 Apply FRO FUND RESR 001 IFRO FUND RESR 00 1 008 9 a L mof ssm Figure 10 Searching for mesh files available in IDAT Press the blue word Meshtal to invoke the plotter Each user likely has software to visualise mesh plots generated by their own code the MeshTal viewer is not intended to be the best visualisation tool rather to provide a quick visualisation tool to assist in the understanding and modelling of IRPhEP benchmarks The tool can e allow users of the database understand the physics of a particular evaluation e allow users to compare a benchmark model they have created with the benchmark models distributed with IRPhEP Page 12 of 36 ID
8. GCR RESR 001 001 1 HTTR GCR RESR 001 001 d HTTR GCR RESR 002 005 6 di HTTR GCR RESR 003 001 PROTEUS GCR EXP 001 001 GC Au Capture 7 MCNP ENDF 8 VII 0 Ip Au Fission S J PROTEUS GCR EXP 001 002 1E2 GO Au Capture Z MCNP ENDF B VII 0 3 Fission GG A PROTEUS GCR EXP 001 003 Capture Z MCNP ENDF B VII 0 Ji Fission CG A PROTEUS GCR EXP 001 004 CA Capture Z MCNP ENDF B VII 0 m Fission Isotopes GA 1 H Hydrogen gint GA 3 Li Lithium due GA 5 8 Boron dem Gj 6 C Carbon co U235 B10 u238 cd113 H1 Al27 Fe56 N14 cr53 F C natural S J 7 N Nitrogen Tamsa 1E0 w gt a Normalized to 1000 Captures Fission Leakage N2N 16 2 E PROTEUS GCR EXP 001 001 MCNP ENDF B VII 0 capture W PROTEUS GCR EXP 001 002 MCNP ENDF B VII 0 capture GPROTEUS GCR EXP 001 003 MCNP ENDF B VII 0 capture O PROTEUS GCR EXP 001 004 MCNP ENDF B VII 0 capture Top N cke 10 Evaluations 33 Cases E 58M of 683M Figure 8 Plotting the available balance files The balance files have been computed by running MCNP and KENO models included in IRPhEP In MCNP when not present the PRINT card has been added and the MCNP output from the table that begins with Total over all nuclides has been extracted along with the number of neutrons that have leaked out of the model and the average number of neutrons per fission In KENO the utility cod
9. Refine search New search 1 Horiz avert Oo Fat l Plots J ParPlots Figure 4 Refine and New search buttons on results screen Note blue text in results table are links to associated files evaluation for instance in Figure 3 double clicking them to open these files evaluation PDF in the case of blue evaluation id s but also pictures calculation inputs files balance files mesh tallies If needed the path to the Handbook folder containing all evaluations PDFs either on the DVD or a copy on hard drive can be changed in File gt Settings Page 6 of 36 IDAT User s Manual 3 2 Search Pane Results Screen Plotting Parameters in the evaluations returned from a search can be displayed in graphical form by clicking the Plots button An example is shown in Figure 5 amer LS kel e NEA Window Help _RankSmior cam scam euc ae reac coer ol rare os Ek okee T Refine search New search Horiz E3 vert C Flat PH ParPlots Balance plots Spectra Sensitivities j V Measurements Acceptable E ICSBEP identification Evaluator E Internal reviewer Independent reviewer Organisation Laboratory Title Pictures Keyword Year approved Year revised Years experiment performed Revision m CIE 1 14 1 09 1 08 1 07 1 06 1 05 4 1 045 1 03 1 02 1014 References 14 Case label ww vy a Eo Materials J Fuel E Fuel Composition a
10. Useful in reaction rate tallies when C E averages are dominated by points with low reaction rates Page 21 of 36 IDAT User s Manual WEIGHTED BY UNCERTAINTY n Wy Cy En n Wy With W 1 W ae where oi a oc In this formula C E values with no uncertainty are eliminated from the calculation Uncertainty associated with each bar from averaging of multiple data points Standard deviation bars The uncertainty bar corresponds to the standard deviation of all C E values within a data set Correlations should be taken into account however there is not sufficient information within the database to include correlations at this point Uncertainty associated with each bar from measured and calculated uncertainty Blue band uncertainty The blue band uncertainty is the RMSE of the combination of the benchmark error located in the E Uncertainty or E Uncertainty RMS column and the calculated error Located in the C Uncertainty or C Uncertainty RMS Column In the absence of errors and approximations code modelling nuclear data etc one would anticipate that the C E would fluctuate in this range For single level plots the number of data points can be reduced by checking the box beside the word Top in the plot options Using the drop down box in plot options the results can be sorted by highest or by lowest C E Note The user will encounter E Std dev and E Uncertainty RMS The first occurs when multiple points hav
11. VI 0 223 BFS 1 FUND EXP 003 001 MCNP ENDF B VI 0 172 BFS14LMFR EXP 002 001 MCNP ENDF B VI 0 184 BFS 1 4LMFR EXP 002 002 MCNP ENDF B VI 0 184 BFS2 FUND EXP 001 001 IMCNP ENDF B VI 0 171 IBR2 LMFR RESR 001 001 IMCNP ENDF B VI 0 223 IBR2 LMFR RESR 001 002 IMCNP ENDF B VI 0 223 BR2 LMFR RESR 001 003 IMCNP ENDF B VI 7 0 223 CORAL FUND RESR 001 001 Sc ENDF B VII 0 0 195 CREOLE PWR EXP 001 001 MCNP ENDF B VII 0 DCA HWR EXP 001 008 ENDF B VI DIMPLE PWR EXP 002 001 ENOF 6 VIL 0 DIMPLE PWR EXP 002 002 ko ENDF B VII 0 DIMPLE PWR EXP 002 003 eg Femo DIMPLE PWR EXP 002 004 KENO ENDF B VII O DIMPLE PWR EXP 002 005 keno ENDF B VII 0 gt SS tes I 67M of 683M Figure 15 Rank similarity pane experiments are being ranked based on the similarity of neutron balance information Cases that do not have calculated neutron balance data can be returned in the list using the check box Show cases with no data The similarity ranking is left blank for these cases Coverage of the number of cases with data is displayed to the right of the checkboxes A single case can have information computed with different codes and nuclear data libraries Thus the impact of using a different nuclear data library or code on the similarity metric can be investigated Neutron balance data can also be entered manually by clicking the Enter manually button which pops up a table for data entry
12. chi squared 15 62 1 0200 1 0175 1 0150 1 0125 1 0100 1 0075 1 0050 1 0025 eee 0 9975 0 9950 0 9925 0 9900 HWR WER LWR LMFR PWR SPACE RBMK FUND GCR M mo ssm Figure 17 Plot of the C E associated with Kr measurements averaged by reactor type Page 20 of 36 IDAT User s Manual Bars Correspond to Average Values Each red bar represents an average value while the dotted blue bar is the overall average To display additional information about the number of points used in the average or the value and standard deviation hover the cursor over the bar The averaging for each bar can be performed via four methods using Plot Options drop down box see Figure 18 Plot options eometric eighted by value eighted by uncertainty Sort by Average increasing e E Top sel 10 over 100 gt points Figure 18 Drop down box with average options on plot panes In all formula N is the points at which both a C and an E value exist ARITHMETIC din Cy En N l N En In the case of a negative C E the geometric mean is calculated by separating the positive and negative components computing the geometric mean of each and then computing a weighted average of the two geometric means where the average is weighted by the number of data points 5 GEOMETRIC 4 WEIGHTED BY VALUE n Wn Cy En n Wyn With W W 0 5 x Cy En
13. eptlevadseelostastensiesaee lasdiyedssaseeelenicsteubaese 28 Ta Java SDiamstalll ation joss crerccsscesteesceeeckciiesda ene T dee ee Seege ee ee 29 E ee EE 30 H REPSTENCES eg EE Eed 31 Appendix A GLOSSALY egener Eege ei tentevennynses EES EE EERE ANE EREE SERA TEN EES 32 Page 1 of 36 IDAT User s Manual 1 What is IDAT 1 1 Introduction The International Reactor Physics handbook Evaluation Program IRPhEP Database and Analysis Tool known as IDAT is a search and analysis tool that has accompanied the annual IRPhEP DVD release since 2013 Example uses of IDAT include finding sodium void reactivity experimental benchmarks searching for experiments done at the BFS1 facility examining C E trends in Ke by reactor system finding the light water reactor LWR Ke measurement with the least uncertainty searching spectral indices measurements with minor actinides ranking experiments based on similarity of neutron balance information Features are described in this manual IDAT is based on the graphical user interface DICE 3 Database for the International handbook of evaluated Criticality safety benchmark Experiments which has accompanied the ICSBEP Handbook since 2001 The International Criticality Safety Benchmark Evaluation Program ICSBEP Handbook contains mainly ke measurements the IRPhEP Handbook contains an order of magnitude more measurement types and so IDAT includes features for searching and tren
14. from the top left corner to the bottom right corner To reset the plot to its initial zoom level drag the mouse from the bottom right corner to the top left corner You can switch between the plots and a tabular display by using the buttons Plots and Table Click on the Clear button to remove all plots and empty the table Click on the Load own data button to add a curve from a file The Lines width spinner change plots thickness all other plots settings are available by right clicking on the plot and selecting Properties in the popup menu Page 11 of 36 IDAT User s Manual A sensitivity file must be in any of the following formats in order to plot e ABBN sensitivity format e TSUNAMIID TSUNAMI A format e TSUNAMI3D TSUNAMI B format e WPEC SG33 Check the corresponding button in the Open file dialog before pressing the OK button 3 6 Search Pane Results Screen MeshTal Viewer The MeshTal viewer is a standalone tool that can be invoked within IDAT It is used to plot fluxes and reaction rates of IRPhEP handbook benchmark models giving users access to qualitative plots To access this functionality click the check box Mesh Tallies as is shown in Figure 10 followed by the apply button Double click one of the blue text Meshtal in the list which starts the viewer
15. group structure and spatial mesh can be used For isosurfaces the slider bar controls the threshold value for points to be plotted for instance raising the slider bar will result in reaction only over a certain threshold allowing the user to determine maximal points Plot horiz Axis Allows the user to see the multi group energy profile at the point of the cursor or a X Y Z profile of the fluxes and reaction rates Files By default when invoking the MeshTal viewer from IDAT the file is loaded into A but not displayed The user can load a different mesh file into B Then using the display options different operations such as taking the difference between the two files can be performed XForm A B coord Allows the coordinate system to be transformed This feature should be used when comparing the mesh results between two models which were calculated with different origins Users can put their own models into the MeshTal viewer Currently the import formats are limited but slowly being expanded Examples of MCNP and SERPENT input cards that will generate compatible output files are shown below Note the MeshTal viewer can read in both zip and gz files Example of MCNP Mesh input card FMESH4 N GEOM xyz ORIGIN 90 90 0 IMESH 90 IINTS 180 JMESH 90 JINTS 180 KMESH 200 KINTS 10 OUT ij EMESH 0 625e 6 0 100 20 c Capture Tally FMESH14 N GEOM xyz ORIGIN 90 90 0 IMESH 90 IINTS 180 JMESH 90 JINTS 180 KMESH 200 KINTS 10 OUT ij EMESH 0
16. is shown in the bottom left corner Pressing the Search button located in the bottom right corner executes the query fi amer Se File Database NEA Window Help Search RankSimiar en dcr puck spec reac oe KIN RRATE POWDIS Themes Identification Code Gi General Items e eer Ja e Evaluator Reactor Name Reactor Type Keesen Facility Type Internal Reviewer None selected a None selected BFS11MFR XP 002 None selected Independent Revie ASTRA BWR Boiling Water Reactor g s74MFR EXP 001 EXP Experimental Facility Organisation Labor late FUND Fundamental R2 4MFR RESR 001 POWER Power Reactor ge Title Frei GCFR Gas Cooled Fast SEAN RESR Research Reactor gt Keywords rei GCR Gas Cooled Thermal A JOYOLMFR RESR 001 gt Dates Evaluation z IBR2 HWR Heavy Water Moderatlone ak 4 MFR EXP 001 ac neins corat CORTIS DEER S J Materials CREOLE LWR Light Water Moderated7EBRA LMFR XP 002 Fuel cROCUS MSR Molten Salt Reactor Eegen Fuel Composition IDCA PWR Pressurized Water Reazppr4MFR EXP 001 Cladding DIMPLE RBMK RBMK Reactor ZPPRLMFR EXP 002 Moderator Coolant koue SPACE SPACE Reactors ppp i mFR EXP 003 Absorber Era VVER VVER Reactors IZPPR 4LIMFR EXP 004 5 Measurements Type ETE ZPPR 4IMFR EXP 005 ER pe umdi M
17. left Page 24 of 36 IDAT User s Manual oa ee File Database NEA Window Help Search RankSimiar 1 op zen suck SPEC reac coer KIN RRATE POWDIS RER Ki goodness of fit reduced chi squared 11 51 a KI Spectral Indices C E a S 09 FFP FS S FF FEE EE EF FE FEF FF FSI HSS IHS HSS eee ef df DE Soo Es se 8 os ee RESER E Si Se EE ee SE os POSSESS Saale St Ge ba d i SI e LE PS deiere d e se oF Se d eget d Ge S SP Pl dt E gee N Lef daf ei MS SK S d RK maen Figure 21 Spectral Indices C E Unfiltered In Figure 22 the result has been filtered to only show spectral indices C E in which the ENDF B VIL8 library has been used mar GEAT Eile Database NEA Window Help Search RankSimiar_ on soen suck mec reac coer KIN rRaTe sos ow Case ID DEVICE REACTION REACTION_D E ES E Uncert Code Library C C S C Uncert C E EI Reactor t Fission C Am241 Fission 1239 Fission L o 2 9 MCNP5 J 1
18. of the evaluation Cladding A list of cladding materials in the evaluations Moderator Coolant A list of moderator and coolants used in evaluations Absorber A list of absorber elements used in evaluations Page 36 of 36
19. 0 2789 0 0 5 1 02 a J Facility type Fission C Am243 Fission ission 2 f 3 0 MCNPS J 0 2034 J0 0 5 1 017 Le d A Devi n Fission C Cm244Fission i239 Fission 338 o 7 4 MCNPS ENDF 0 3729 0 4 8 1 10 Bi Reac E s Fission C Cm245 Fission 1239 Fission 144 9 4 2 MCNPS Pei 1 4095 o DRECK Se e Fission C Np237 Fission 239 Fission 0 3135 0 0115 2 7 MCNPS Pei 0 31 0 00565 0 5 1 01 h i Codi m Fission C Pu239 Fission U235 Fission 1 099 Don 1 2 MCNP5 BEL 1 0995 5e 4 0 7 1 00 d P Lbraries Fission c pennan L235 Fission 10 0547 Sei 2 3 MCNPS Ee Dos 4 5e 4 1 2 1 00 E E ABBN Corp goodness of fit reduced chi squared 7 48 E ENDF B V1 4 E ENDF B VI 6 V ENDF B VL 8 pepe 7 et D Di N Spectral Indices C E S ss v S S SES S S Es A Ce ae 3 d a S Me Es Es BS ao a oe Bes ge 2 Dei s s Gg CEP L A S ta ey FF KF oe OOP d d e d d Si e a Figure 22 Spectral Indices C E filtered to only show cases computed with ENDF B VL8 Note If the user unchecks all boxes no filter is applied since otherwise the results would be no evaluations Page 25 of 36 IDAT User s Manual 6 Uncertainty Plot Pane
20. 001 002 ENDF B VII O Balance 3 CD by Caladated Data Over Entre System PRO FUND RESR 001 FRO FUND RESR 001 003 ENOF vi Balance 3 pal pereas IFRO FUND RESR 001 FRO FUND RESR 001 004 ENOF B VIT 0 Balance 3 z Geen IFRO FUND RESR 001 JFRO FUND RESR 001 005 ENDF B VII O Balance 3 pi IFRO FUND RESR 001 FRO FUND RESR 001 006 ENDF E VII 0 Balance 3 i Mesh Takes FRO FUND RESR 001 _FRO FUND RESR 001 007_ Bess bie ec jFRO FUND RESR 001 0 FUND RESR 001 008 3 Uncheck all FRO FUND RESR 001 RO FUND RESR 001 009 9 aer Balance 1 A 47M of 683M Figure 7 Searching for the balance files available in IDAT Page 9 of 36 IDAT User s Manual Alternatively the neutron balance data can be plotted to allow for visual cross comparisons between the cases Pressing the Balance plot button opens a new window with a list of balance files all of which can be plotted The list is linked to the cases returned from a search An example is shown in Figure 8 The user can filter the isotopes displayed and or limit the number of isotopes displayed using the Top N selector located at the bottom right corner mer p gt a File Database NEA Window Help Search Rank Similar en dcr puck spec reac coer KIN RRATE POWDIS Be class Ta Refine search New search O Horiz E3 vert C Fiat Lx Plots LH ParPiots Balance plots Spectra Sensitivities Neutron balances H fH HTR10
21. 239 Fission 0 814 0 183 3 3 MCNP5 0 820 0 178 0 6 1 00 D E R ti Pu239 Fission 0 947 0 066 3 0 MCNP5 10 939 0 074 2 0 0 9921 D wl Coles k ES Fission 0 931 0 081 3 0 MCNPS 0 925 0 085 1 5 0 99 gi E Libraries a 278 keV U238 Capt 1 0618 0 078 0 9 MCNPS 1 0726 0 090 2 4 1 01 glas iD 293 keV U235 Fission 0 98575 0 014 2 0 MCNP5 1 01225 0 024 1 0 1 02 k U235 Fission 0 689 0 28227 2 4 TRIGEX 0 68634 0 28305 0 0 0 99 U238 Fission 0 611 0 358 3 9 TRIGEX 0 614 0 361 0 0 1 00 SE share ER anala aa goodness of fit reduced chi squared 2 94 Reaction Rate C E Plot options Averaging weighted by value 7 reduced chi squared bars Group by DEVICE INPUT and REACTION Sortby l Fuel Rod D Topman 0 E over 100 poir Capture E Fission BR amor casm Figure 20 Example of a two level plot where the first level is reaction and the second level is device Note In the list if multiple points have been collapsed the user can retrieve the data behind a point by double clicking Filters Figure 21 shows an example in which the average C E is displayed by Case ID for all cases with SPEC measurements Specific data can be selected by applying combinations of the filters present on the
22. 625e 6 0 100 20 FM14 N 1 0 2 c Fission Tally FMESH24 N GEOM xyz ORIGIN 90 90 0 IMESH 90 IINTS 180 JMESH 90 JINTS 180 KMESH 200 KINTS 10 OUT ij EMESH 0 625e 6 0 100 20 FM24 N 1 0 6 c Scattering Tally FMESH34 N GEOM xyz ORIGIN 90 90 0 IMESH 90 IINTS 180 JMESH 90 JINTS 180 KMESH 200 KINTS 10 OUT ij MESH 0 625e 6 0 100 20 0 2 FM34 N 1 Examples of SERPENT Mesh input card ene 1 1 1E 11 0 625E 6 1 00E 1 20 det 14 de 1 dx 80 80 160 dy 80 80 160 Page 16 of 36 IDAT User s Manual dz 0 250 10 det 24 de 1 dr 2 void dx 80 80 160 dy 80 80 160 dz 0 250 10 det 34 de 1 dr 6 void dx 80 80 160 dy 80 80 160 dz 0 250 10 det 44 de 1 dr 3 void dx 80 80 160 dy 80 80 160 dz 0 250 10 Notes about DANTSYS mesh plots MeshTal Viewer can plot DANTSYS rmflux files if the input and output are located in the same directory and if the output is named lt my_output gt lt EXT gt and the corresponding input named EXT inp 3 7 To Do List For Mesh Plots e Expand the number of compatible file formats For example currently uses MCNP out ij format which is not the default Also doesn t work with non rectangular mesh tallies e While different tally numbers can be used in MCNP F4 F14 F24 F34 will automatically be labelled as Flux Capture Fission Elastic Scattering e In the tallies provided with IDAT the higher number me
23. AT User s Manual e facilitate comparisons between libraries codes e visualise reaction rate data Currently the MeshTal viewer can read specific output formats of MCNP SERPENT and DANTSYS with sample input cards shown at the end of this section as well as limited KENO mesh files In theory any model could be run and results read into the MeshTal viewer Four plot panes are accessible for each plot 2D Slice Shown in Figure 11 2D Surf Shown in Figure 12 3D View Shown in Figure 13 3D Isosurface Shown in Figure 14 The isosurface plots the flux reaction rate above a threshold value controlled by the slider bar J FRESH CORE RELOAD OF THE NRAD REACTOR WITH U 20 ER ZR H FUEL DETAILED MeshTal Viewer Files 2slice 2p surf 3D View 30 Iso surface 200 0 180 0 180 0 160 0 160 0 140 0 140 0 120 0 200x200x10 Values range 0 0 2 61274E 5 Rel Err range 0 0 1 0 120 0 100 0 Data 80 0 60 0 Paste X Y Z Value data View Pov TOP x o D d G 60 0 Zoom y ae 0 000025 S m Ss R m 0 000020 V Show og 5 2 0 000015 Plot horiz axis X D 5 40 0 0 000010 20 0 Color scale S 5 7 z RAINBOW g 0 000005 1E 6 E Per slice color scale oooo000 SS SS Ze o 25 zm 75 100 KE 20
24. As shown in Figure 16 the user can enter all the nuclides with the number of captures fissions and n 2n reactions The software will then determine the similarity between the entered neutron balance data and all other balance data stored in the database The similarity is normalised so that the most similar system has a similarity of 1 and the least similar has a similarity of 0 Page 18 of 36 IDAT User s Manual a Enter neutron balance Nuclide Capture Fission n 2n Nudide enter lt symbol gt lt A gt e g B10 Values should be for all reactions in system and normalized to 1000 Paste from Excel Ok Figure 16 Pop up window to manually enter neutron balance data For 3 group percent fission the metric and neutron balance information the similarity metric used is _ p q1 P2 q2 Pn qn y 2lpll Where p is system one q is system two For multi group fission N is the percentage of fission in each group while for neutron balance N is the capture and fission for each element except that for fissile elements the distance is by isotope It is expected that the neutron balance calculations will be done with multiple codes and data libraries This will allow users to observe differences in the balance information produced by these codes and libraries The 3 group sensitivities check box allows a calculation to be done to identify which experiment contains 3
25. ENCHMARK EXPERIMENTS NEA NSC DOC 95 03 I VII OECD NEA September 2011 3 Y Rugama N Soppera M Bossant and B Briggs DICE Database for the International Criticality Safety Benchmark Evaluation Program Handbook Proceedings of the Eighth International Conference on Nuclear Criticality Safety ICNC 2007 Vol II pages 246 248 June 2007 4 P J Fleming J J Wallace HOW NOT TO LIE WITH STATISTICS THE CORRECT WAY TO SUMMARIZE BENCHMARK RESULTS Communications of the ACM Volume 29 Number 3 March 1986 5 E A E Habib Geometric Mean for Negative and Zero Values IJRRAS Volume 11 Number 3 June 2012 6 I Hill N Soppera M Bossant IDAT The International Handbook of Evaluated Reactor Physics Benchmark Experiments Database and Analysis Tool Nucl Sci Eng 178 280 2014 http dx doi org 10 13182 NSE14 37 Page 31 of 36 IDAT User s Manual Appendix A Glossary Evalld Reactor Name Reactor Type Facility Type Three Digit Numerical Identifier Caseld Identifier that corresponds to the number of different reactor configurations present in the evaluation Excluded are core perturbations made solely for reactivity coefficient calculations TYPE Three digit number The criteria for a case in IDAT are as follows e Each Section 3 1 CRIT experimental benchmark Ka is a case e Other measurements can be considered cases however many BUCK SPEC REAC COEF KIN RRATE measuremen
26. IDAT USER MANUAL Version 1 2 March 2015 IDAT User s Manual Contents COMMS E 1 l Whatis IDA WE 2 Wed iroa i CEE LO t A E A E A E 2 E2 E NEE 2 2 Launchine IDAT sottware ij eege ea E E TE EENE EE 3 3 Tmtial Screen the Search Pamesssicicessisciccccsiciersciadiccsonncccescondacevsnncdevesvaed luvoonedseesandedis cobedeee sands sone aS 4 3 1 Search Pane Results Screen Tables cccccccccccccccccccccccccccecesesesesesesesesesesessssesessssseseceseseseceseeeseesgs 5 3 2 Search Pane Results Screen Plotting 2 0 eeesscescceeeeeeeeeeceteoeescesseessceseceeesseesseseseeenseceerenetesers 7 3 3 Search Pane Results Screen Parallel Axis plot 8 3 4 Search Pane Results Screen View and Plot Neutron Balance 9 3 5 Search Pane Results Screen Spectra and Sensitivity Pilote 11 3 6 Search Pane Results Screen MeshTal Niewer 12 At Fo Do List For Mesh PIOUS ssvcssssccditssbssaces cassdennsssnnteansas enssdswate gh sasuatesaesceeasntsosagesetadevsnsecesebaats 17 4 Rank Similar E 18 4 1 To Do List For Find Similar Pane cee eecceccceesseceecceceseeeeaeceeaaeceeneeceaeeseaaeceeaeeceeeesaeeneaaeeneees 19 3 Measurement Trend Plot Bonge eiedeskegerefd dei gen D eg agent eegene Ee 20 6 Uncertainty Plot Pane oono prenese E EEN ade a seagesaiotan EE SEES 26 Le TrOUDIESHOOUMG EE 27 Tele Startup TEE 27 RE Speed e E E 28 Ts Memory problems ris ccsccieed sccessaesiges th acsredsbeasoeisedesdetieccaseblicc
27. action Numerator The isotope and reaction in the numerator of the spectral index Note for spectra measurements that do not measure a ratio the numerator keyword contains the isotope Examples are gt Pu239 Fission gt U235 Capture gt U238 Epithermal Capture Reaction Denominator The isotope and reaction of the denominator of a spectral index measurement gt Pu239 Fission gt U235 Capture gt U238 Epithermal Capture Position X Y Z Position in cm Origin is currently arbitrary but an attempt has been made to choose the origin presented in the benchmark model when present Energy keV Upper energy of a spectrum measurement This field is set to zero in the case of a spectral index over the entire energy range Energy Uncertainty Uncertainty in the energy measured REAC Reactivity Effect Measurements Evalld Caseld MeasurementID Reactivity Effect Position Description Material Method Unit VVVVVVV V COEF Reactivity Coefficient Measurements Evalld Caseld MeasurementID Coefficient Type Parameter Range Low Parameter Range High Parameter Unit Measurement Method VVVVVVV V Page 34 of 36 IDAT User s Manual KIN Kinetics Parameter Measurements gt Evalld gt Caseld gt Parameter RRATE Reaction Rate Measurements Evalld Caseld Device DeviceSpecification DeviceInput Reaction Position X Y Z Energy Energy Uncertainty VVVVVVVV WM Device What type of device is used to
28. an lt 8 625 ev RB FUND EXP 005 A E Flux 0 625 eV 100 keV Gr s E Flux gt 100 kev RB FUND EXP 003 a v Fission lt 0 625 eV RB FUND EXP 001 E Fission 0 625 eV 100 keV oer E Fission gt 100 kev PBF FUND RESR 001 5 V Capture lt 0 625 eV _ MPRE FUND RESR 001 E Capture 0 625 eV 100 kev Wecror cunp Exp 002 aon E Capture gt 100 keV i E Fissions FRO FUND RESR 003 Captures FRO FUND RESR 001 0 155 E keff sensitivity lt 0 625 eV BFS2 FUND EXP 004 E Keff sensitivity 0 625 eV 100 keV DaT E Keff sensitivity gt 100 keV BFS1 FUND EXP 002 E Total Keff sensitivity over all energy G8 Jp Calculation Files ES ATR FUND RESR 001 o o o Uncheck all ParPlot Columns SCH 7 Evaluation identifi 7 Case identification F Fuel ii Flux lt 0 625 ev W Fission lt 0 625eV V Capture lt 0 625eV F matching cases 48 Evaluations 159 Cases L 40M of 683M Figure 6 Plotting the parameters in the database Search results table columns are represented as vertical axes For each results table row a polyline links its values on each axes See http en wikipedia org wiki Parallel_coordinates for a longer description The checkboxes at the bottom allow selecting the search results columns which should be displayed as vertical axes Numerical fields and classification fields e g Fuel Moderator Coolant can be displayed by this visualization text ones e g Title cannot be selected by default only
29. ding these additional types For instance users can query all experimental benchmarks of spectral indices measurements which use Ge Li detectors Currently information from all 139 IRPhEP 2015 evaluations is contained in IDAT The contents of the CRIT BUCK SPEC REAC COEF KIN RRATE and POWDIS measurements have been extracted into a relational database Since no accepted ISO benchmarks are in the current handbook no searching or trending capability exists for this type of measurement MISC measurements are present in the handbook but not yet stored in the database IDAT incorporates interactive ways to interrogate the data as well as assist in the knowledge transfer process 1 2 What s new New features have been added in IDAT 2015 edition database tool e Parallel Axis plots see chapter 3 3 e reduced Chi Squared value displayed on trend plots e tree structure for codes and libraries e blue bars indicating C E uncertainties displayed on multi level plots e descriptive pictures at the evaluation level Page 2 of 36 IDAT User s Manual 2 Launching IDAT software IDAT is available on the IRPhEP Handbook DVD and online via Java Web start Requirements are e A Java Runtime Environment JRE version 6 or higher More recent versions 7 or 8 are strongly recommended e A reasonably fast internet connection to connect to the NEA database e Have a large screen To start IDAT from the DVD e on Windows run
30. e KMART has been run to generate the 3 group reaction rates It is possible to have a single case with neutron balance information computed by two different codes or two different libraries For searching purposes the database stores the percentage of captures normalised to 100 and the percentage of fissions normalised to 100 while the plots normalise to 1000 Note In the case of two different libraries where library A contains balance information by element while library B contains balance information by isotope IDAT will sum the isotopic neutron balance information in library B and add summed balance information in the element column on plot The balance information by isotope remains on the plot as well Page 10 of 36 IDAT User s Manual 3 5 Search Pane Results Screen Spectra and Sensitivity Plots CS Lo bet File Database NEA Window Help Search 1 RankSimiar en dcr puck spec reac oe KIN RRATE POWDIS elect columns Ta Refine search New search O Horiz E3 vert C Fiat Lx Plots Li ParPiots Balance plots Spectra Sensitivities Spectra Plot Representation 7 Y axis log 1E6 Per unit lethargy bin e Default normalization e S default sl Lage Table Clear gt 168 2 Load own data ES Di lines width hi S 169 F Root H 5 S J ATR FUND RESR 001 001 2 CJ MCNP ENDF B VII 0 g E vm E FLUX 3 V CAPTURE
31. e been collapsed for example the standard deviation of the collapsed C E s if there is only data point this value is always zero The second refers to the experimental uncertainty which if multiple data points are present is RMSE Root mean square error Double clicking on a specific entry in the table returns a popup window with the data points in the case of SPEC and RRATE this list contains multiple points in a table which can also be plotted in 1 dimensional plots as shown in Figure 19 Page 22 of 36 IDAT User s Manual Ta Points BFS1 FUND EXP 001 009 ole ez 1 150 1 125 1 100 1 075 CIE D H 0 975 0 950 0 925 30 25 20 15 10 5 o 6 10 15 20 25 30 35 40 46 IRPRRATES POS_Z IRPRRATES POS_Z v Figure 19 Pop up window returned after double clicking on a row in the RRATE pane Reduced Chi Squared Value In each trend plot the user can chose to display the reduced chi squared value which is a metric indicating the performance of the computed averages Based on whether the user selects points or bars the goodness of fit of the overall average or the categorical averages can be displayed If the reduced chi squared value is high then C E values are fluctuating more than the uncertainty of the benchmarks within the categories The equation computed is Where H is the computed average either the overall average of all points n or the average wi
32. e x depends on the measurement CRIT Criticality Measurements Evalld Caseld Ket Benchmark Value Ker Benchmark Value Uncertainty Kett Calculation Ker Calculation Uncertainty Code Library VVVVVVVV Page 32 of 36 IDAT User s Manual Note If an IRPhEP evaluation contains a link to an ICSBEP evaluation in Section 3 1 and Section 4 1 then the k calculation is entered into IDAT CRIT Criticality Uncertainty Evalld Caseld TypeSet RegionSet Description Sigma Kerf Sigma ka VVVVVVV BUCK Buckling Measurements Evalld Caseld Buckling Dimension Buckling Benchmark Value Buckling Benchmark Value Uncertainty Calculated Value Calculated Uncertainty Code Library VVVVVVVV V Buckling Dimension Describes the direction of the buckling measurement in inverse meters squared three types of buckling can be stored gt Axial gt Radial gt Total SPEC Spectral Index Measurements Evalld Caseld Device Reaction Numerator Reaction Denominator PosX PosY PosZ Energy EnergyUncertainty Spectral Index Value Spectral Index Value Uncertainty Calculated Value Calculated Uncertainty Code Library VVVVVVVVVVVV VV Page 33 of 36 IDAT User s Manual Device Physical device used to measure the spectral index Current choices include Beta Scan Fission Chamber Ge Li Detector Nal detector Proportional Counter Solid State Track Recorder TOF Time of Flight VVVVVVV Re
33. easurements Types JZPPR LMFR EXP 006 e Uncertainties EER Jsu IZPPR LMFR EXP 007 E SPEC CA BUCK Buckling amp E EJ REAC E coe eke Z RRATE te Deen E powors iso IZPPR 4IMFR EXP 010 CA SPEC Spectral Inc LPPR AMFR EXP O11 SE en E Handbook IZPR LMFR EXP 001 Spectral In si Both Handbooks Only present in IRPhEP Only present in ICSBEP IZPR LMFR EXP 002 ZPRAMFR EXP 003 Query Reactor Type Liquid Metal Fast Reactor leasurements Clear otal Keff sensitivity over all energy History e 25 Evaluations 79 Cases ll 41M of 683M Figure 1 Searching for liquid metal fast reactors IDAT has three search types selection lists numeric values and text fields All are similar to DICE Selection List Users can select one or more items from the list Items can be grouped together by using the CTRL or SHIFT keys Page 4 of 36 IDAT User s Manual Numerical Values User selects a value or a range of values A numeric value in scientific notation can be used e g 1E3 means 1000 Note If a numeric value is invalid it is displayed in white on a red background e g you cannot add a percent sign in the accuracy field Text Fields User enters a word or part of a sentence in the text field This criterion also supports a wildcard character Also present is a case sensitive checkbox The query pane located at the bottom of the screen displays the search criteria currently set Also shown to the l
34. eft of the search button are the columns selected to be displayed in the results window Measurements and Total Ka Sensitivity in the example shown in Figure 2 Query i inetics Parameter Beta Measurements otal Keff sensitivity over all sarl Search History 4 Evaluations 5 Cases 60M Se 683M Figure 2 Query Pane located at the bottom of the search tab Each time a criterion is added changed or removed the status bar is dynamically updated to display the number of evaluations and cases matching the current criteria Note The query panel to the left of the search button indicates the data that will be returned from the search if a search is executed and none of the cases contain the desired data Total Ke Sensitivity over all energy for instance in Figure 2 the query will fail The user is redirected to the no results screen The user should then consider deleting the offending items from the query panel by selecting the text and pressing the delete button or by pressing the Clear 3 1 Search Pane Results Screen Tables Once the query is executed a results window is returned as shown in Figure 3 The results can be viewed and plotted in multiple formats e flat table with all columns displayed in a single table Recommended for first time users e hierarchical tables evaluations appear in one pane and cases in the other horizontal or vertical split e plots e balance plots e spectra p
35. ersion as Java 3D will very likely be supported without efforts If you use the DVD version you have to manually install the libraries provided in the folder IDAT java3d Select the right ZIP for your Java for 32bit Java the file named j3d 1_5_2 lt OS gt i586 zip for 64bit Java the file named j3d 1_5_2 lt OS gt amd64 zip On 64bit system note that it is the version of your Java Runtime Environment which matters not the version of your OS e g if you have installed a Java 32bit on a Windows 7 64bit then take the file j3d 1_5_2 windows i586 zip Unzip this file in a temporary location Unzip the file j3d jre zip The content of the extracted bin folder a dll file for Windows a so file for Linux has to be copied to the bin folder of your Java Runtime Environment The content of the extracted lib ext folder has to be copied to the lib ext folder of your Java Runtime Environment The location of your Java Runtime Environment depends on your system but common locations are C Program Files VJava jre1 8 0_45 C Program Files x86 VJava jrel 8 0_45 in IDAT you can see this location in the About dialog scroll to see the Java home line Note that to be able to install these files you will need administrative privileges on your computer It is also a good idea to seek assistance from IT people around you if needed Note also that this installation will have to be red
36. group Ke sensitivity most similar to a 3 group sensitivity profile input by the user In this case the Euclidean distance is computed without dividing by 2 p lq Currently most balance information is computed with MCNP and KENO owing to the large number of models distributed with ICSBEP and IRPhEP To generate the balance file in MCNP the PRINT card has been inserted into the inp file if previously absent and the table total over all nuclide was extracted and converted to a simplified format using a script Note IDAT numbers correspond to the balance numbers corresponding to the entire system while in DICE the balance information of the reactor core is used Users should be aware of the difference 4 1 To Do List For Find Similar Pane e Introduce more metrics for similarity e Use ranking in C E trends plots Page 19 of 36 IDAT User s Manual 5 Measurement Trend Plot Panes The measurement panes give an overview of the trends in C E within the database for a particular measurement This differs from the plots in the Search pane which was originally implemented as an error check for DICE data In IDAT the intent is to first allow the user to see the overall information content in the database and apply filters to drill down to a particular data set Eight measurement trend plot panes currently exist CRIT BUCK SPEC REAC COEF KIN RRATE and POWDIS Figure 17 shows a typical result of the ke pane
37. ion rights If you experience problems with OpenJDK Java especially graphical interface problems please install Oracle Java See support of your Linux distribution and www java com 7 2 Speed problems The following tips will improve execution speed Copy the DVD onto your hard drive instead of running from the DVD drive Connect to the NEA remote database Narrow the search to a few evaluations before pressing the Search button Display only relevant columns in result views 7 3 Memory problems Java programs will limit themselves to use a maximum amount of memory this maximum depends on your system and Java version IDAT start files idat bat and idat sh are provided with an option to specify a fixed amount 768MB Xmx768m This option Xmx768m specifies that IDAT will take at most 768Mbytes of memory If you have more physical memory you can edit this command line and replace the option Xmx1024m or Xmx1g For example to allow IDAT to use at most 1024MB of memory the idat bat file should be javaw Xmx1024m jar IDAT jar Page 28 of 36 IDAT User s Manual 7 4 Java 3D installation To have full capabilities with Meshtal Viewer you need e a 3D capable video card e Java 3D libraries installed in your Java Runtime Environment If you use the online version of IDAT the Java 3D libraries will be automatically downloaded from the NEA website If you have a permanent internet connection prefer this v
38. lots e sensitivity plots In Figure 3 the Measurements box is checked on the left side of the screen in a Vert view producing two lists the top which contains information at the evaluation level and a bottom list which contains information at the case level in this instance the measurements done at the case level By checking the Page 5 of 36 IDAT User s Manual various boxes a user can display all of the data which is stored in the data base An explanation of the terms is included in Appendix A Glossary mar Sex File Database NEA Window Help Search RankSimiar en dcrit Buck spec reac oe KIN RRATE POwWoIS Select columns Ja Refine search 3 New search D Horiz Er ret L Plots JH ParPlots Balance plots Spectra Sensitivities IE Columns Evaluation identification matching cases Bb General tems IBFS14 MFR EXP 001 D geess eFSiiMFR Ex 002 3 Z Measurements t w BFS2LMFR XP 001 1 P ena BR2LMFR RESR 001 3 Seno IFFTF IMFR RESR OO 1 E Evaluator 2 LI Ji le E Internal reviewer ISNEAK LMFR EXP 001 2 E Independent reviewer Bl Organisation aboratory ZEBRA LMFR EXP 001 e wi rite IZEBRA LMFR EXP 002 2 E ZEBRA LMFR EXP 003 9 Pictures d SS EE EECH 3 Key
39. mber 14 Capture F 15 0 Mech Tally Number 24 Fission E Mech Tally Number 34 Elastic Scattering 54 0 Mesh Tally Number 44 Es 160x160x15 Y Values range 0 0 8 38952E 5 Rel Err range 0 0 1 0 lt 38 0 63 0 100 0 kev 37 0 0 625 eV 24 0 110 GG l Paste X Y Z Value data eee 54 0 View 370 Pov TOP SS Zoom J gt Show Rel Err 265 Show arid lt 3Drender SURFACE D 150 0 3D transparency 4 Je 80 0 Color scale Aes RAINBOW X E Per slice color scale one 167 L E Log color scale 3 0 decades 8 Figure 13 3D tomographic view ATR thermal flux Page 14 of 36 IDAT User s Manual T T H D RHF Grenoble MeshTal Viewer lelek Fies max 20 0 MeV m 7 1693E 6 100 0 keV B Display XForm A coord Il XForm B coord Collapse A_GRID Mech Tally Number 4 Flux Mesh Tally Number 14 Capture Mech Tally Number 24 Fission Mech Tally Number 34 Elastic Scattering Mesh Tally Number 44 uj 4 130x130x30 Values range 0 0 7 1693E 6 Rel Err range 0 0 1 0 100 0 keV See e EAN Paste X Y Z Value data E Show arid 3D render SURFACE X 3D transparency J Color scale RAINBOW X E Per slice color scale gt min h 0 625eV 0 0 7 0 0eV GEO E tog color scale 3 0 decades Figure 14 3D Isosurface view RHF thermal capture Features Options in MeshTal Viewer PoV Change the 2D Slice view to different perspecti
40. meann Evaluation identification Case identification Balance Code Balance Library Balance matching cases ae IBFS1 FUND EXP 001 BFS1 FUND EXP 001 002 15 x beet SH BFS 1 FUND EXP 001 BFS1 FUND EXP 001 003 16 Beete IBS 1 FUND EXP 001 BFS1 FUND ExP 001 004 ko ENDFB VI Balance 16 pre BFS1FUND EP001 BFS1 FUND EXP 001 005 16 8 B bee IBFS1 FUND EXP 001 BFS1 FUND EXP 001 006 16 Feiere IBS 1 FUND EXP 001 BFS1 FUND EXP 001 007 16 eg IBFS1 FUND EXP 001 BFS1 FUND EXP 001 008 16 a Green IBS 1 FUND EXP 001 BFS1 FUND EXP 001 009 16 F keyword IBFS1 FUND EXP 001 BFS1 FUND EXP 001 010 16 Beete IBFS1 FUND EXP 001 BFS1 FUND EXP 001 011 16 Coden IBFS1 FUND EXP 001 BFS1 FUND EXP 001 012 16 Geh IBFS1 FUND EXP 001 BFS1 FUND EXP 001 013 16 Je IBFS1 FUND EXP 001 BFS1 FUND EXP 001 014 16 Gi referee IBFSi FUND EXP 001 BFS1 FUND EXP 001 015 16 BH Cesc Le BFSL FUND EXP 001 BFS1 FUND EXP 001 016 a Materials BFS 1 FUND EXP 002 BFS 1 FUND EXP 002 001 MCNP ENDF B VI 1 gl eer DEE IBFS 1 FUND EXP 003 BFS 1 FUND EXP 003 001 2 d BUCK Gei AExtapdlation Length IESSE BFS1 FUND EXP 003 002 2 A pith IBS i FUND EXP 004 BFS1 FUND EXP 004 001 ko EeEAT Balance 2 vd REAG Reactiity effects IBS 1 FUND EXP 004 BFS1 FUND ExP 004 002 2 nH areare SES OT EE ko GE Balance 1 pall koy irina CORAL FUND RESR 001 _ CORAL FUND RESR 001 001 MCNP ENDF B VII O Balance 1 i IFRO FUND RESR 001 FRO FUND RESR 001 001 KEN ENOF vi Balance 3 a p FROFUND RESR 001 FRO FUND RESR
41. measure the spectral index Choices include Fission Chamber Nal detector Ge Li Detector Proportional Counter Solid State Track Recorder TOF Time of Flight Proton Recoil Vv VVVVV Device Specification The gamma ray being scanned No such detail exists for fission chambers currently considering adding more detail to the fission chamber description Device Input Material of which the reaction rate is being counted typically the foil or fission chamber material Reaction The reaction being scanned currently fission or capture Position X Y Z Position in cm Origin is currently arbitrary but an attempt has been made to either choose the centre or bottom of the model POWDIS Power Distribution Measurements Same as Reaction Rate measurements see above CALCULATED FILES gt INPUTS Input file for a particular code gt BALANCE Neutron balance file gt MESH TALLIES Mesh tally file Page 35 of 36 IDAT User s Manual OTHER ITEMS Additional parameters have been entered into the database These parameters are considered to be self explanatory Evaluator Internal Reviewer Independent Reviewer Organisation Laboratory Title of Evaluation Keywords Year Evaluation was Approved Years Experiment Performed References Case Label Materials Fuel A list of fuel materials used in the evaluations Fuel Composition A list of materials where the material compositions are extracted from section 3 x 3
42. one after each update of the Java Runtime Environment Contact idat oecd nea org if you need assistance please indicates which operating system and version you use and the version of Java you have installed The best way to collect these information s is to use the Copy messages button of the IDAT About dialog Page 29 of 36 IDAT User s Manual 8 Conclusion IDAT has been created to facilitate search and analysis of the International Handbook of Reactor Physics Experiments Previous NEA efforts on DICE have been utilised during the development of IDAT The currently allows users to search and trend CRIT BUCK SPEC REAC COEF KIN RATE and POWDIS measurements which represent most of the data contained IRPhEP IDAT development has been made possible thanks to the voluntary contribution of the government of Japan Please send any comments requests and bugs to idat oecd nea org which is an alias for each of the following individuals Ian Hill Gan hill oecd org Nicolas Soppera nicolas soppera oecd org Manuel Bossant manuel bossant oecd org The IDAT team would appreciate any feedback if this manual has been useful and any ways in which it could be improved Page 30 of 36 IDAT User s Manual 9 References 1 International Reactor Physics Benchmark Experiments IRPhE Project NEA NSC DOC 2006 OECD NEA March 2011 2 INTERNATIONAL HANDBOOK OF EVALUATED CRITICALITY SAFETY B
43. or evenly spaced uniform o Selection dialog bring a dialog which allow highlighting some of the results by selecting row s in the table popup o Column role Column axis dimension Clear all column axes options have no effect in DICE e Saving with menu File gt Save is not yet implemented take a screenshot instead 3 4 Search Pane Results Screen View and Plot Neutron Balance In addition to containing neutron balance information IDAT allows retrieval and visualisation of the capture and fission data contained in the neutron balance files To view a balance text file click the check box Balance as shown near the bottom left of Figure 7 followed by the apply button Double clicking the blue text Balance will pop up a text file with the neutron balance information for the entire system not the core as in DICE mar o gt a File Database NEA Window Help Search RankSimiar en son puck spec reac oe KIN RRATE POWDIS Ek orl T Refine search New search T Horiz E vert CAFE Plots PH ParPlots Balance plots Spectra Sensitivities 48 Evaluations 159 Cases p
44. over the point to display a tooltip showing its coordinates Note The legend is not displayed when there are more than 20 items to show Press the Select columns button to to hide the left pane and enlarge the plot Page 7 of 36 IDAT User s Manual 3 3 Search Pane Results Screen Parallel Axis plots Parallel Axis Plots allows visualizing the relationship between search results values le wat EEA Eile Database NEA Window Help Search Rank Smiar crm scam ae ae reac cor ol erate eo To Refine search New search T Horiz E3 vert C Flat L Plots JH ParPlots Balance plots Spectra Sensitivities E Benchmark Keff Evaluation identification Flux lt 0 625 eV Fission lt 0 625 eV Capture lt 0 625 eV Benchmark Keff uncertainty 1 0 F Calculated Keff ZPR FUND EXP 016 0 857 0 983 0 971 E Caladated Keff unc ZPR FUND EXP 015 SCH ZPRFUNU S Uncertainties See ZPR FUND EXP 013 ES Dh ih Dane4z E Uncertainties description ZPR FUND EXP 014 0752 A oe Im ke BUCK Bucking amp Extrapolation Length Eemere dm x S Ir 1 SPEC Spectral Indices e EK E REAC Reactivity Effects ZPR FUND EXP 007 0 78 mp COEF Reactivity Coefficients 2PR FUND EXP 005 Gem Sc f o i SR ZPR FUND EXP 003 Ke 1 RRATE Reaction Rate Distributions 5 A POWDIS Power Distributions ZPR FUND EXP 001 7 1 Calculated Data Over Entire System RHF FUND RESR 001 i F
45. sh tallies which don t display anything are 299 group tallies earmarked for subsequent extraction into IDAT Page 17 of 36 IDAT User s Manual 4 Rank Similar Pane The Rank Similar pane allows users to rank benchmarks based on 3 group fluxes neutron balance data and sensitivity Currently the pane applies a Euclidean distance metric to the 3 group flux capture fission neutron balance or sensitivity information and returns a sortable list with the case label code library and ranking The rankings are normalised on a scale where the most similar system is given a numerical value of 1 000 and the least similar is assigned a value of 0 000 A shade of green is used to highlight values close to 1 000 An example of a search where the user inputs the percentage of fissions in 3 groups is shown in Figure 15 mar lo bet File Database NEA Window Help Search Rank Similar crm soen suck spec reac coer KIN RRATE eo 7 3 groups percent spectra Coverage 64 0 575 898 Type capture Thermal 60 Intermediate 30 Fast 10 in E Neutron balance E 3 groups sensitivities E Show cases with no data Case ID Code Library 3 Groups Spectra Ranking ATR FUND RESR 001 001 mow Sep SEU BFS 1 FUND EXP 001 001 MCNP ENDF B VI 0 177 E BFS 1 FUND EXP 001 004 KSC ENDF B VI 0 222 BFS 1 FUND EXP 002 001 MO ENDF B
46. tart up problems on Windows follow these instructions 1 Determine if you have a suitable Java environment 2 Open a command window Start menu gt Run then type cmd 3 In the Command Prompt window issue the java version command 4 If you see the following message your computer does not have Java properly installed C gt java version java is not recognized as an internal or external command operable program or batch file Page 27 of 36 IDAT User s Manual If this is the case check that the PATH environment variable is correctly set Alternatively Sun Microsystems offers a web page to verify your Java installation at www java com en download installed jsp You can download Java from www java com You should use a JRE 1 6 version at a minimum Once this is done go to the IDAT software folder and type the following command java jar IDAT jar IDAT should now open If not to request further help if there are error messages in the console right click in the title bar choose menu Select all then Copy and send the text in the clipboard to the IDAT developers idat oecd nea org for assistance 7 1 2 Linux UNIX To troubleshoot problems on Linux follow the below instructions First make sure your Java installation is correct with the following command java version You may need to put the full path to your Java executable in the idat sh script and make sure that it has execut
47. the idat bat file in the IDAT folder e on Linux run the idat sh file in the IDAT folder e on Mac OS X run the Mac bundle in the IDAT mac_os_x folder See Startup problems for troubleshooting startup problems IDAT has been primarily tested on Windows Linux and minimal Macintosh testing The tool is most likely to work on windows machines as this is the current development environment Some mesh plotting features are known to not work on Mac s Page 3 of 36 IDAT User s Manual 3 Initial Screen the Search Pane IDAT is organised into panes By default IDAT initially displays the search pane shown in Figure 1 This pane has a similar appearance and functionality as DICE Currently eleven panes exist The panes are e Search Shown in Figure 1 e Rank Similar See Rank Similar Pane e Trends Plots panes CRIT BUCK SPEC REAC COEF KIN RRATE and POWDIS See Measurement Trend Plot Panes e 6 CRIT See Uncertainty Plot Pane Note Each of the above panes can be cloned by right clicking on the pane tab and selecting clone pane allowing the user to view multiple independent panes at the same time Figure 1 depicts a search for LMFR cases Individual evaluations can be chosen by using the drop down box as is shown in the figure When searching multiple criteria the user can hold down the CTRL or SHIFT key to select multiple items A preview of the number of evaluation and cases to be returned
48. the first result table columns are initially selected You can drill down in the values in two different ways Note By zooming a given vertical axis click and drag in the yellow background area or a vertical axis By limiting the range of values displayed for a given axis click on the upper lower axes triangle and drag them to define a range the polylines of the search results with value in this range only will be displayed Axes can be reordered by clicking and dragging their titles this is the most efficient way for revealing trends Axes can be moved left and right in their vertical band click on axis and drag it The polyline segments colours express their weight that is the number of cases that a given segment represent the colour scale used is the light spectrum from blue low weight to red high Page 8 of 36 IDAT User s Manual weight in current implementation the segments are not drawn in increasing weight order so small weight ones may obscure the greatest ones e Double clicking on polylines will switch into a mode where all will be drawn in black and the one near the location you double clicked will be highlighted in red e A contextual menu is available with a right click on the plot o Intensity mode controls the polylines colouring scheme o Make uniform Make all uniform Reset positions controls the distribution of numerical values along axes according to their magnitude the default
49. thin each category with the radio button points corresponding to the former and bars to the later v corresponds to the number of degrees of freedom When the radio button points is selected the number points minus 2 while if bars is selected than it is the number of points minus the number of bars minus 1 Page 23 of 36 IDAT User s Manual Plots with Multiple Levels In the plot options two levels of detail can be selected The first controls the values that will be plotted on the x axis the second level controls the number of bars in the first level each with a distinct colour In the example shown in Figure 20 the first level is the Device input Object material of which the reaction rate is being counted while the second level is showing the reaction which in this case is either Capture Red bars or Fission Blue bars DAT elak File Database NEA Window Help Search 1 geck amis 1 en crm puck spec reac coer Kin RRATE pownis Filter DEVI RE EM ES E Un Code ML Ben LES UE LEE Z rieden Pu239 Fission Has um 1 Zoos bes 0 163 1 0 0 99 a a wl Facility type Pu239 Fission 0 725 0 244 2 9 MCNPS 0 741 0 251 0 6 1 02 E D E Devi Pu239 Fission 0 769 0 244 2 9 MCNPS 0 755 0 248 1 2 0 98 D GC Device I t Pu
50. ting 7 1 Startup problems IDAT cannot start if it cannot connect to any database If this occurs you will obtain the following dialog mar Lo 1 ee IDAT IRPhEP Database Analysis Tool March 2015 Edition build 1 2 Copyright OECD 2011 2015 gt m Cannot open the database Try connection to https www oecd nea org Cannot connect to https www oecd nea org org nea_handbook domain connection_ DBConnectionException TEEN You can obtain assistance by sending the full trace to idat oecd nea org gt H STEE TEE Zei mami mmm lg lm Copy messages Setup HTTP proxy Exit _ A Figure 25 No connection dialog If you are trying to connect to the NEA master database first check if the NEA website is currently accessible try both http www oecd nea org and https www oecd nea org IDAT use HTTPS If you need to connect through an HTTP HTTPS proxy click on the Setup HTTP proxy button to open the Settings dialog Restart IDAT for the settings to take effect If you are trying to connect to a local database check that the data files exist on the media DVD or computer and that you have read access If you still cannot connect to either master database please send an email message containing the error messages to idat oecd nea org You can copy these messages to the clipboard by using the Copy messages button 7 1 1 Windows To track down s
51. tom dens Cladding Moderator Coolant Absorber 7 CRIT Criticality Measurements Benchmark Keff Benchmark Keff uncertainty 10 Sy s Calculated Keff gt 2 s S we SY Calculated Keff unc Es ES Si E Uncertainties E Uncertainties description E e A BUCK Buckling amp Extrapolation Length Uncheck all 1 Fuel Xaxis Fuel e errors Yaxis C E 139 Evaluations 898 Cases me sn oa WIRT wn e Series Evaluation identification BN ouategnm e errors Figure 5 Plotting the parameters in the database To plot the data select X axis Y axis and Series from the selected results columns At least one numerical column must be present in order to obtain plots The text columns cannot be used in plots but all others can except for the Y axis which requires a numerical column e g Number of cases For example you can plot C E Y axis against Evaluation identification By right clicking on the plot a contextual menu allows the user to e set plot properties title legend ticks e save the plot in a file e print the plot e zoom in or out The user can also use the mouse to zoom in by pressing the left button and then dragging the mouse from the top left to the bottom right corner To reset the zoom level drag the mouse from the bottom right to the top left To display the data values corresponding to each point hover the cursor
52. ts are not defined as cases because they are based on a documented critical configuration In these instances the case has both a CRIT measurement and a BUCK SPEC REAC COEF KIN RRATE measurement Some evaluations without criticality measurements include BFS1 FUND EXP 002 BFS1 FUND EXP 003 BFS2 FUND EXP 001 CROCUS LWR RESR 001 TCA LWR EXP 001 VENUS PWR EXP 005 ZEBRA LMFR EXP 003 ZPPR SPACE EXP 003 ZPPR SPACE EXP 004 e REAC COEF KIN measurements are not cases unless they clearly two measurements in which neither has been previously defined as a case For example if a REAC measurement such as control rod worth is performed then there will not be a new case unless the reference state is not a CRIT measurement In this way many measurements can be represented by a single case e If a critical measurement and a perturbation is done followed by a BUCK SPEC or RRATE measurement the core state is considered a new case For example a critical case followed by a change in boron concentration with a reaction rate measurement then the reaction rate measurement will be considered a new case Measurements The measurements performed for each case A check box indicates an acceptable measurement a blank box denotes an unaccepted measurement and no box is present if a measurement was not done Each of the measurements includes a measured value and uncertainty taken from section 3 x and corresponding calculated values taken from section 4 x wher
53. ves TOP BOTTOM FRONT BACK LEFT RIGHT Paste X Y Z Value data Within 2D slice allows the user to mark X Y Z data The intent is to allow importing of RRATE measurement data onto the mesh plots Show Rel Err Click this box to plot the error associated with a mesh tally if it is contained in the mesh file Error of the mesh file has been chosen solely based on run time considerations Show Grid Overlays the rectangular mesh that was used to create the mesh plots The mesh has been selected based on file size considerations Most mesh files are 100 Mb unzipped and 10 Mb zipped Colour Scale Rainbow is the default colour scale setting the highest value across all points to red and the lowest to blue Plus minus results in all values red and all negative values blue black and white is useful when importing the plots into black and white publications Per slice colour scale The maximum value in the shown slice rather than the maximum value of all slices is set to the maximum of the colour scale Log colour scale User plots the log of the fluxes and reaction rates Zoom This slider bar is used in the 2D Slice plots but for other plots the bar is supplanted by the mouse wheel Right Slider Bars Allows the spatial position or energy displayed to be adjusted Automatically created based on reading the mesh file All mesh files have been generated in 3 groups for IPRhEP but an arbitrary Page 15 of 36 IDAT User s Manual
54. word t gr ZPPR LMFR EXP 002 3 E Year approved Dees Ep 003 1 Bes revised ZPPRLMFREXP 004 1 H Years e t ed Georeere ZPPR LMFR EXP 005 3 C Revision SE 4 TY Case identification Crit Sub Buck Spec Best Coef Kin RRate PowDis Iso Misc d Materials JOYOAMFR RESR 001 001 Fi 7 A CRIT Criticality Measurements HOYOLMFR RESR 001 002_ W 1 1 BUCK Buckling amp Extrapolation Length POYO LMFR RESR 001 003 v 1 SPEC Spectral Indices DE v 1 Lu REAC Reactivity Effects Slab wv 1 jy COEF Reactivity Coefficients ee v pi pepe JOYOLMFR RESR 001 007 CS D Ju RRATE Reaction Rate Distributions ee dd Gj POWDIS Power Distributions SAN SOONG d E Calculated Data Over Entire System E Fux lt 0 625 ev E Flux 0 625 eV 100 kev z Uncheck all Apply 25 Evaluations 79 Cases 30M of 68a Figure 3 Displaying the parameters in the database Only the evaluations returned from the initial search are available to the user from the results screen To return a different set of evaluations press the New search button and execute a new query To return the initial search pane see Figure 4 the user can press either the Refine search button which retains the selected columns and search criteria or the New search button which will start a blank new search that is with no search criteria and with only the Identification and Measurements columns selected for results display Select columns To
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