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Post 2.0 - User Guide - - elsA

1. or cellNF variable is defined it is returned in the last position in the output array The interpolation order can be 2 3 or 5 constraint is a thresold for extrapolation to occur To enable more extrapolation rise this value If some blocks in A define surfaces a tolerance tol for interpolation cell search can be defined A hook can be defined in order to keep in memory the ADT on the interpolation cell search It can be built and deleted by createHook and freeHook functions in Converter module using ex tractMesh function field P extractPoint A x y z order 2 constraint 40 tol 1 e 6 hook None or F P extractPoint A x1 y1 z1 x2 y2 z2 order 2 constraint 40 tol 1 e 6 hook None See Examples Post extractPoint py See Examples Post extractPointPT py P extractPlane slice a solution A with a plane The extracted solution is interpolated from A Interpolation order can be 2 3 or 5 but the 5th order is very time consuming for the moment The best solution is kept Plane is defined by c1x c2y c3z c4 0 See Examples Post extractPlane py See Examples Post extractPlanePT py P extractMesh Interpolation a solution from a set of donor zones defined by A to an extraction zone a Parameter order can be 2 3 or 5 meaning that 2nd 3rd and 5th order interpolations are performed Parameter constraint O enables to extrapolate from A if interpolation is not possible for some points Extrapolation orde
2. def F x y z return 12xyxy 4 ni 30 nj 40 nk 3 m G cart 0 0 0 f10 ni1 1 10 1 mj 1 1 mi nj nmk m C initVars m F1 F x y z m C initVars m F2 0 m C initVars m F3 0 varname F1 F2 F3 p P computeCurl m varname defined on centers p C center2Node p back on init grid p C addVars m p C convertArrays2File p out plt Example file Examples Post computeCurlPT py computeCurl pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G def F x y z return 12 yxy 4 ni 30 nj 40 nk 3 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk m C initVars m F1 F CoordinateX CoordinateY CoordinateZ m C addVars m F2 m C addVars m F3 varname F1 F2 F3 m P computeCurl m varname t C newPyTree Base t 2 1 2 append m C convertPyTree2File t out cgns Example file Examples Post computeNormCurl py 11 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB computeNormCurl array import Converter as C import Post as P import Generator as G def F x y z return 12xyxy 4 ni 30 nj 40 nk 3 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk m C initVars m F1 F x y z m C initVars m F2 0 m C initVars m F3 0 varname F1 F2 F3 p P computeNormCurl m varname defined on centers p C c
3. G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 2 m2 G cart 5 5 0 0 9 ni 1 9 n3j 1 1 ni nm3 2 m ml m2 m C initVars m rou 1 m C initVars m rov F x m C initVars m row 0 x0 0 1 yO 5 z0 0 5 p P streamRibbon m x0 y0 z0 0 0 2 0 rou rov row C convertArrays2File m p out plt Example file Examples Post streamRibbonPT py streamRibbon pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G import math as M def F x return M cos x ni 30 nj 40 ml G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 2 m2 G cart 5 5 0 0 9 ni 1 9 nj 1 1 ni nj 2 t C newPyTree Base StreamR t 2 1 2 m1 m2 t C initVars t vx 1 t C initVars t vy F CoordinateX t C initVars t vz 0 x0 0 1 yO 5 z0 0 5 p P streamRibbon t x0 y0 z0 0 0 2 0 vx vy vz t 2 2 2 append p C convertPyTree2File t out cgns Example file Examples Post streamSurf py streamSurf array import Converter as C import Post as P import Generator as G import Geom as D import math as M ni 30 nj 40 Node mesh mil G odrt 0 0 0 10 1 1 10 nj 1 1 imi mj 5 m2 G odrt 5 5 0 0 YS ni 1 9 mj 1 1 mind 9 b D line 0 1 5 0 1 0 1 5 3 9 NEL b C convertArray2Tetra b m ml m2 def F x return M cos
4. Parameters are gamma for the specific heat ratio rop for the perfect gas constant rep gamma 1 cv betas and Cs Sutherland s law constants or Ce Ts and mus def values betas 1 458e 6 Csz110 4 sl for a constant entropy defined by s0 sref rep gamma gamma 1 In Tref rep In Pref where sref Tref and Pref are defined for a reference state Computed variables are defined by their CGNS names VelocityX VelocityY VelocityZ for components of the absolute velocity VelocityMagnitude for the absolute velocity magnitude Pressure for the static pressure requires gamma Temperature for the static temperature requires gamma rep Enthalpy for the enthalpy requires gamma Entropy for the entropy requires gamma rep s0 Mach for the Mach number requires gamma ViscosityMolecular for the fluid molecular viscosity requires gamma rep Ts mus Cs PressureStagnation for stagnation pressure requires gamma TemperatureStagnation for stagnation temperature requires gamma rgp PressureDynamic for dynamic pressure requires gamma b PcomputeVariables a varnamel varname2 gamma 1 4 rgp 287 53 s0 0 betas 1 458e 6 Cs 110 4 mus 1 76e 5 Ts 273 15 or B P computeVariables A In the pyTree version if the variable name is prefixed by centers then the variable is computed at cente
5. v2 v3 at point x0 y0 z0 The output yields the set of N extracted points on the stream ribbon and the input fields at these points The stream ribbon computation stops when the current point is not interpolable from the input grids b P streamRibbon A x0 y0 z0 nx ny nz v1 v2 v3 N 2000 dir 2 ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB See Examples Post streamRibbon py See Examples Post streamRibbonPT py P streamSurf compute the stream surface starting from a BAR array b P streamSurf A x0 y0 20 v1 v2 v3 N 2000 dir 1 See Examples Post streamSurf py See Examples Post streamSurfPT py 1 8 Isos P isoLine compute an isoline correponding to value val of field b P isoLine A field val See Examples Post isoLine py See Examples Post isoLinePT py P isoSurf compute an isosurface correponding to value val of field using marching tetrahe dra Return a list of two zones one TRI and one BAR if relevant B PisoSurf A field val See Examples Post isoSurf py See Examples Post isoSurfPT py P isoSurfMC compute an isosurface correponding to value val of field using marching cubes b PisoSurfMC A field val See Examples Post isoSurfMC py See Examples Post isoSurf MCPT py 1 9 Solution integration For all integration functions the interface is different when using Converter arrays interface or py Tree interface For arrays fields must b
6. C array vx ni nj 1 cn C initVars cn vx resn P integ m cn 0 print resn Example file Examples Post integPT py integ pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 1 m C initVars m vx 1 m C initVars m resn P integ m vx print resn Example file Examples Post integNorm py f integNorm array import Converter as C import Generator as G import Post as P Node mesh and field m G cartTetra 0 0 0 0 1 0 1 0 2 10 cl C array ro 100 162 TRI c C initVars 6l ro 1 res P integNorm m c 1 print resl Node mesh ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 nj 1 1 Centers field cl C array vx ni 1 nj 1 1 T T c C initVars cl vx 1 Integration res P integNorm m c 1 print res2 Node field cl C array vx vy ni nj 1 cn C initVars cl vx 1 cn C initVars cl vy 1 resn P integNorm m cn print res3 26 ELSA MU 09024 V2 0 ratio La 10 1 res ni nj 1 res resn ONERA THE FRENCH AEROSPACE LAB Example file Examples Post integNormPT py integNorm pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P Node mesh G cartTetra 0 0 0 0 1
7. B P computeCurl A vectx vecty vectz See Examples Post computeCurl py See Examples Post computeCurlPT py P computeNormCurl compute the norm of the curl of a 3D vector defined by its variable names vectx vecty vectz in a b PcomputeNormCurl a vectx vecty vectz or B PcomputeNormCurl A vectx vecty vectz See Examples Post computeNormCurl py See Examples Post computeNormCurlPT py P computeDiff compute the difference between neighbouring cells of a scalar field defined by its variable varname in a The maximum of the absolute difference among all directions is kept b PcomputeDiff a varname or B P computeDiff A varname a See Examples Post computeDiff py See Examples Post computeDiffPT py 1 5 Solution selection P selectCells select cells with respect to a given criterion If strict 0 the cell is selected if at least one of the cell vertices satisfies the criterion If strict 1 the cell is selected if all the cell vertices satisfy the criterion The criterion can be defined as a python function returning True selected or False not selected b PselectCells a E varl var2 strict 0 or B PselectCells A F varl var2 strict 0 or by a formula b P selectCells a x y 2 strict 0 or B P selectCells A x y 2 strict 0 See Examples Post selectCells py See Examples Pos
8. C initVars a field F CoordinateX CoordinateY CoordinateZ iso P isoSurf a field value 5 t C newPyTree Base t 2 1 2 iso C convertPyTree2File t out cgns Example file Examples Post isoSurfMC py isoSurfMC array import Post as P import Converter as C import Generator as G import Geom as D def F x y Zz return Xx x yx y Zz Di N G cartHexa 20 20 20 0 25 0 25 0 5 100 100 50 a C initVars a field EF x y z iso P isoSurfMC a field value 5 C convertArrays2File iso out plt Example file Examples Post isoSurf MCPT py isoSurfMC pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G def F x y Z return Xx x yx y Zz Di N G cartHexa 20 20 20 0 5 0 5 0 5 50 50 50 a C initVars a field F CoordinateX CoordinateY CoordinateZ 25 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB iso P isoSurfMC a field value 5 t C newPyTree Base t 2 1 2 iso C convertPyTree2File t out cgns Example file Examples Post integ py integ array import Converter as C import Generator as G import Post as P Node mesh ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 1 Field in centers c C array vx ni 1 nj 1 1 c C initVars c vx resc P integ m cl 1 0 print resc Field in nodes cn
9. KCore test as test S D circle 0 0 0 1 N 100 snear 0 1 o G octree s snear dfar 10 balancing 1 npts len o 1 0 indicVal G getVolumeMap o indicator valInf valSup P computeIndicatorField o indicVal nbTargetPts 2 xnpts bodies s indicator C center2Node indicator o C addVars o indicator C convertArrays2File o out plt Example file Examples Post computelndicatorFieldPT py compIndicatorField pyTree import Generator PyTree as G import Converter PyTree as C import Geom PyTree as D import Post PyTree as P S D circle 0 0 0 1 N 100 snear 0 1 o G octree s snear dfar 10 balancing 1 npts o 1 0 0 18 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB o G getVolumeMap o o valInf valSup P computeIndicatorField O centers vol nbTargetPts 2 npts bodies s t C newPyTree Base 2 t 2 1 2 append o C convertPyTree2File t out cgns Example file Examples Post extractPoint py extractPoint array import Converter as C import Generator as G import Post as P ni 10 nj 10 nk 10 a G cart 0 0 0 1 ni 1 1 n3 10 y 1 mk 13 ni nj nk def F x y z return x x x x 2 y Z Z a C initVars a F F x y z Utilisation directe val P extractPoint a 0 55 0 38 0 12 2 print val Utilisation avec un hook hook C createHook a function extractMesh
10. as C import Generator PyTree as G import Post PyTree as P import Transform PyTree as T al G oart 0 0 0 01 5 1 1 2 251 a2 T rotate al 0 0 0 0 1 0 100 a2 0 cart2 res P sharpEdges al a2 alphaRef 45 t C newPyTree Edge 1 Base 2 t 2 1 2 res t 2 2 2 al a2 C convertPyTree2File t out cgns Example file Examples Post silhouette py silhouette array import Generator as G import Converter as C import Post as P a G cylinder 0 0 0 0 5 1 360 0 10 50 1 30 vector 1 0 0 res P silhouette a vector l a res C convertArrays2File l out plt Example file Examples Post silhouettePT py f silhouette pyTree import Generator PyTree as G import Converter PyTree as C import Post PyTree as P Di N G cylinder 0 0 0 0 5 1 360 0 10 50 1 30 ct N C newPyTree Base t 2 1 2 append a vector 1 0 0 res P silhouette a vector t 2 1 2 res C convertPyTree2File t out cgns Example file Examples Post coarsen py coarsen array import Post as P import Converter as C Q import Generator as import Transform as T coarsen all cells of a square ni 21 nj 21 nk 11 hi 2 ni 1 hj 2 nj 1 hk 1 nk 1 16 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB m G cart 0 0 0 hi hj hk ni nj nk hi hi 2 hj hj 2 hk
11. hk 2 m2 G cart 0 0 0 hi hj hk ni nj nk m2 T subzone m2 3 3 6 m 2 2 m 3 2 6 m2 T translate m2 0 75 0 75 0 25 m2 T perturbate m2 0 51 tri G delaunay m2 npts tri 2 shape 1 indic C array indic npts 1 1 indic C initVars indic indic 1 Sol P coarsen tri indic argqual 0 25 tol 1 e6 C convertArrays2File tri sol out plt Example file Examples Post coarsenPT py f coarsen pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G import Transform PyTree as T ni 21 nj 21 nk 1 hi 2 ni 1 hj 2 nj 1 m G cart 0 0 0 hi hj 1 ni nj nk m T perturbate m 0 51 tri G delaunay m tri C initVars tri centers indic 1 sol P coarsen tri indic t C newPyTree Base 2 t 2 1 2 append sol C convertPyTree2File t out cgns Example file Examples Post refine py refine array import Post as P import Converter as C import Generator as G import Geom as D a G cartTetra 0 0 0 1 1 1 10 10 1 indic C array indic a 2 shape 1 1 1 indic C initVars indic indic 0 C setValue indic 50 1 C setValue indic 49 1 a P refine a indic C convertArrays2File a out plt Example file Examples Post refinePT py refine pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G import Geom PyTree a
12. import Post PyTree as P import Generator PyTree as G ni 30 nj 40 nk 10 m G cart 0 0 0 10 ni 1 10 mj 1 1 ni n3 nk m C initVars m Density 2 CoordinateX CoordinateX CoordinateY m P computeGrad m Density t C newPyTree Base 3 t 21 11 21 append m C convertPyTree2File t out cgns Example file Examples Post computeNormGrad py computeNormGrad array import Converter as C import Post as P import Generator as G 10 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB ni 11 nj 11 nk 1 G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk C initVars m ro 2x x x x y P computeNormGrad m ro p is defined on centers C center2Node p back on initial mesh addVars m pl convertArrays2File p out plt I C3 m m D p p C Example file Examples Post computeNormGradPT py f computeNormGrad pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G ni 30 nj 40 nk 10 m G ca rt 0 0 0 10 ni 1 10 mj 1 541 mi nj nk m C initVars m Density 2 CoordinateX CoordinateX CoordinateY m P computeNormGrad m Density t C newPyTree Base 3 t 21 11 21 append m C convertPyTree2File t out cgns Example file Examples Post computeCurl py computeCurl array import Converter as C import Post as P import Generator as G
13. is equal to the number of elements in the initial triangulation See Examples Post coarsen py PyTree version indic is stored as a solution located at centers b P coarsen a indicName indic argqual 0 25 tol 1 e 6 See Examples Post coarsenPT py P refine refine a triangle mesh by providing a refinement indicator which is 1 if the element must be refined 0 elsewhere Array version an indic i array must be provided whose dimension ni is equal to the number of elements in the initial triangulation b Prefine a indic See Examples Post refine py PyTree version indic is stored as a solution located at centers b P refine a indicName indic See Examples Post refinePT py P computelndicator Value compute the indicator value on the unstructured octree mesh a based on the absolute maximum value of a varName field defined in the corresponding structured octree t In the array version t is a list of zones and in the pyTree version it can be a tree or a base or a list of bases or a zone or a list of zones Variable varName can be located at nodes or centers The resulting projected field is stored at centers in the octree mesh b P computelndicatorValue a t varName 4 ELS A MU 09024 V 2 0 O N E R A THE FRENCH AEROSPACE LAB See Examples Post computelndicatorValue py See Examples Post computeIndicatorValuePT py P computelndicatorField compute an indicator field to adapt an octree mesh with res
14. res Example file Examples Post integMoment py integMoment array import Converter as C import Generator as G import Post as P Maillage et champs non structure en noeuds m G cartTetra 0 0 0 0 1 0 1 0 2 10 10 1 27 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB c C array vx vy vz 100 162 TRI c C initVars 6 vx vy vz 1l res P integMoment m c 1 5 5 0 print res f Maillage en noeuds ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 mj 1 1 ni njr1 C convertArrays2File m new plt bin_tp Champ a integrer en centres c C array vx vy vz ni 1 nj 1 1 c C initVars c vx vy vz 1 Integration de chaque champ res P integMoment m c 1 5 5 0 print res f Champ a integrer en noeuds cn C array vx vy VZz ni nj 1 cn C initVars cn vx vy vz 1 resn P integMoment m cn 1 5 5 0 print resn Example file Examples Post integMomentPT py integMoment pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P m G cartTetra 0 0 0 0 1 0 1 0 2 10 10 1 m C initVars m vx 1 m C initVars m vy 0 m C initVars m vz 0 res P integMoment m center 5 5 0 vector vx vy vz print res Example file Examples Post integMomentNorm py integMomentNorm array import Converter as C import Genera
15. v i P isoLine a field value if i isos append i C convertArrays2File a isos out plt Example file Examples Post isoLinePT py isoLine pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G import Geom PyTree as D def F x y return x xtyx y Di N G cartTetra 0 0 0 1 1 1 10 10 1 a C initVars a field F CoordinateX CoordinateY isos min C getMinValue a field max C getMaxValue a field for v in xrange 20 value min max min 18 v try i P isoLine a field value 24 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB isos append i except pass t C newPyTree Base 3 ISOS 1 t 2 1 2 append a t 2 2 2 t 2 2 2 isos C convertPyTree2File t out cgns Example file Examples Post isoSurf py isoSurf array import Post as P import Converter as C import Generator as G import Geom as D def F x y Z return Xx x yx y Z a G cartTetra 20 20 20 0 25 0 25 0 5 100 100 50 a C initVars a field F x y z iso P isoSurf a field value 5 C convertArrays2File iso out plt Example file Examples Post isoSurfPT py f isoSurf pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G def F x y Z return x xxt yx xy z a G cartTetra 20 20 20 0 5 0 5 0 5 50 50 50 a
16. val P extractPoint a 0 55 0 38 0 12 2 hook hook print val Example file Examples Post extractPointPT py f extractPoint pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P ni 10 nj 10 nk 10 a G cart 0 0 0 Ll l mi 1 1l mj l l mk 1 ni nj nk def F x y z return x 2 y 3 z a C initVars a EI F CoordinateX CoordinateY CoordinateZ Utilisation directe val P extractPoint a 0 55 0 38 0 12 2 print val Utilisation avec un hook hook C createHook a function extractMesh val P extractPoint a 0 55 0 38 0 12 2 hook hook print val Example file Examples Post extractPlane py extractPlane array import Converter as C import Post as P import Transform as T import Generator as G m G cylinder 0 0 0 1 5 0 360 10 50 50 50 m T rotate m 0 0 0 1 0 0 35 a P extractPlane m 0 5 1 0 1 2 C convertArrays2File m a out plt Example file Examples Post extractPlanePT py extractPlane pyTree import Converter PyTree as C import Post PyTree as P import Transform PyTree as T import Generator PyTree as G m G cylinder 0 0 0 1 5 0 360 10 50 50 50 19 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB m T rotate m 0 0 0 1 0 0 35 m C initVars m Density 1 m C initVars m centers cellN 1 z P extractPlane m 0
17. x initVars m rou 1 JinitVars m rov E x N CO E 3 initVars m row 0 m m m p P streamSurf m b rou rov row C convertArrays2File m p out plt Example file Examples Post streamSurfPT py 23 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB streamSurf pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G import Geom PyTree as D import math as M ni 30 nj 40 nk 5 ml G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk m1 0 cartl1 m2 G cart 5 5 0 0 9 ni 1 9 nj 1 1 ni nj nk meld cart2 b D line 0 1 5 0 1 0 1 5 3 9 N 10 b C convertArray2Tetra b def F x return M cos x newPyTree Base StreamR t 2 1 2 m1 m2 T initVars t vx 1 initVars t vy F CoordinateX initVars t vz 0 020 1 yO 5 z0 0 5 P streamSurf t b vx vy vz t 2 2 2 append p C convertPyTree2File t out cgns OM ct cf ct ct ll QUO c o Example file Examples Post isoLine py f isoLine array import Post as P import Converter as C import Generator as G import Geom as D def F x y return x X ty y G cartTetra 0 0 0 1 1 1 10 10 1 C initVars a field F x y isos min C getMinValue a field max C getMaxValue a field for v in xrange 20 value min max min 18
18. 0 1 0 2 10 10 1 initVars m Density 1 C newPyTree Base 2 t 2 1 2 append m res P integNorm t Density print res o BR 3 I e Example file Examples Post integNormProduct py integNormProduct array import Converter as C import Generator as G import Post as P Maillage et champs non structure en noeuds G cartTetra 0 0 0 0 1 0 1 0 2 10 10 1 C array vx vy vz m 1 shape 1 m 2 shape 1 TRI DO OHB e ll C initVars c vx vy vz 1 P integNormProduct m c print res H 10 n Maillage en noeuds ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 1 mj 1 1 n1 n3 1 f Champ a integrer en centres c C array vx vy vz ni 1 nj 1 1 c C initVars c vx vy vz 1 Integration de chaque champ res P integNormProduct m cl 1 print res f Champ a integrer en noeuds cn C array vx vy VZz ni nj 1 cn C initVars cn vx vy vz 1 resn P integNormProduct m cn print resn Example file Examples Post integNormProductPT py f integNormProduct pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 mj 1 1 n1 n3 1 m C initVars m MomentumX 1 m C initVars m MomentumY 1l m C initVars m MomentumZ 1 res P integNormProduct m MomentumX MomentumY MomentumZ print
19. 5 1 0 1 2 t C newPyTree Base 2 t 21 11 21 append z C convertPyTree2File t out cgns Example file Examples Post extractMesh py extractMesh array import Converter as C import Post as P import Generator as G ni 30 nj 40 nk 10 G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk C initVars m ro 1 G cart C 0 0 70 Y Lor Dele O1 20 20 T Extract solution on extraction mesh a2 P extractMesh m a C convertArrays2File m a2 out plt m m Create extraction mesh a Example file Examples Post extractMeshPT py f extractMesh pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G ni 30 nj 40 nk 10 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk m C initVars m Density 2 m C initVars m centers cellN 1 Extraction mesh a G cdrt 0 0 0 5 1 0 1 1 20 20 1 a 0 extraction 4 Extract solution on extraction mesh a P extractMesh m a t C newPyTree Solution 3 Extraction 2 t 2 1 2 append m t 2 2 2 a C convertPyTree2File t out cgns Example file Examples Post zipper py zipper array import Converter as C import Post as P import Generator as G import Transform as T mi G cylinder 0 0 0 1 5 0 360 10 50 50 1 ml C initVars ml cellN 1 Set cellN 2 interpolated points to boundary S T subzon
20. Post 2 0 User Guide C Benoit G Jeanfaivre Peron P Raud S Landier B Rodriguez Verley Onera DSNA 1 Post solution post processing module 11 Preamble This module provides post processing tools When using the Converter array interface a or b denotes an array and A or B denotes a list of arrays Then Post module must be imported import Post as P When using the pyTree interface import the module import Post PyTree as P In that case a is a zone node A is a list of zone nodes or a complete pyTree 1 2 Changing variable names P renameVars Rename a list of variables with new variable names t PrenameVars t old VarNameList new VarNameList See Examples Post renameVars py 1 3 Variables import P importVariables variables located at nodes and or centers can be imported from a pyTree tl to a pyTree t2 If one variable already exists in 2 it is replaced by the same variable from tl If method 0 zone are matched from names if method 1 zones are matched from coordinates with a tolerance eps If addExtra 1 unmatched zones are added to a EXTRA base t PimportVariables t1 t2 method 0 eps 1 e 6 addExtra 1 See Examples Post importVariablesPT py 1 4 Variables computation P computeVariables new variables can be computed from conservative variables The list of the names of the variables to compute must be provided 1 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB
21. ample file Examples Post streamLine py streamLine array import Converter as C import Post as P import Generator as G import math as M ni 30 nj 40 G cart 0 0 0 10 ni1 1 10 mj 1 1 mi nm3 2 G cart 5 5 0 0 9 ni 1 9 nj 1 1 ni nj 2 mi m2 def F x return M cos x m1 m2 C initVars m rou Lis C initVars m rov F x C initVars m row 0 020 1 y0 5 z0 0 5 p P streamLine m x0 y0 z0 rou rov row x 3 BBS N C convertArrays2File mt pl out plt Example file Examples Post streamLinePT py streamLine pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G import math as M def F x return M cos x ni 30 nj 40 ml gG cart 0 0 0 10 ni 1 10 mj 1 1 mi mnj 2 m2 G cart 5 5 0 0 9 ni 1 9 nj 1 1 ni nj 2 t C newPyTree Base StreamR t 2 1 2 m1 m2 t C initVars t vx 1 t C initVars t vy E CoordinateX t C initVars t vz 0 x0 0 1 yO 5 z0 0 5 p P streamLine t x0 y0 z0 vx vy vz t 2 2 2 append p C convertPyTree2File t out cgns Example file Examples Post streamRibbon py 22 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB streamRibbon array import Converter as C import Post as P import Generator as G import math as M ni 30 nj 40 def F x return M cos x ml
22. e Examples Post integNormProduct py See Examples Post integNormProductPT py P integMoment compute the integral of a moment over the geometry defined by coord The input field must have 3 variables cx cy cz are the center coordinates For array interface res PintegMoment coord field ratio center 0 0 0 For pyTree interface the vector of variables to be integrated must be specified See Examples Post integMoment py See Examples Post integMomentPT py P integMomentNorm compute the integral of a moment over the geometry defined by coord taking into account the surface normal The input field is a scalar For array interface res PintegMomentNorm coord field ratio center cx cy cz For pyTree interface the variable to be integrated can be specified If no variable is specified all the fields located at nodes and centers are integrated res PintegMomentNorm A center cx cy cz var See Examples Post integMomentNorm py See Examples Post integMomentNormPT py 1 10 Example files Example file Examples Post rename Vars py renameVars array import Converter as C import Post as P import Generator as G el i 30 nj 40 m E cart 0 0 0 f10 ni 1 10 mj 1 1 mi nj 2 m C initVars m ro 1 m C initVars m rou 1 Rename a list of variables m2 P renameVars m ro rou Density MomentumX C convertArrays2File m2 out pl
23. e as G ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 2 vars Density MomentumX MomentumY MomentumZ EnergyStagnationDensity for v in vars m C addVars m v Pressure and Mach number extraction m P computeVariables m Mach Pressure t C newPyTree Base t 2 1 2 append m C convertPyTree2File t out cgns Example file Examples Post computeExtraVariable py computeExtraVariable array import Generator as G import Converter as C import Post as P import Transform as T G cart 0 0 0 1 1 1 50 50 50 initVars a Density 1 initVars a MomentumX 1 initVars a MomentumY 0 initVars a MomentumZ 0 initVars a EnergyStagnationDensity 100000 computeExtraVariable a VorticityMagnitude ll tu bi ei E G AA computeExtraVariable a QCriterion au P computeExtraVariable a ShearStress 3 node2Center a uo AA BP DU P RM C addVars a m q tau Skin friction requires a surface array with shear stress already computed wall T subzone a 1 1 1 49 49 1 skinFriction P computeExtraVariable wall SkinFriction 9 ELSA MU 09024 V 2 0 O N E R A THE FRENCH AEROSPACE LAB skinFrictionTangential P computeExtraVariable wall SkinFrictionTangential wall C addVars wall skinFriction skinFrictionTangential C convertArrays2File wall out plt Example fi
24. e input separately for pyTree they must be defined in each zone P integ compute the integral of a scalar field whose name is varString over the geometry defined by arrays containing the coordinates field an optional ratio Solution and ratio can be located at nodes or at centers For array interface res P integ coord field ratio For pyTree interface the variable to be integrated can be specified If no variable is specified all the fields located at nodes and centers are integrated res P integ A var See Examples Post integ py See Examples Post integPT py P integNorm compute the integral of each scalar field times the surface normal over the ge ometry defined by coord For array interface res P integNorm coord field ratio For pyTree interface the variable to be integrated can be specified If no variable is specified all the fields located at nodes and centers are integrated res P integNorm A var See Examples Post integNorm py See Examples Post integNormPT py P integNormProduct compute the integral of a vector field times the surface normal over the geometry defined by coord The input field must have 3 variables For array interface field must be a vector field ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB res P integNormProduct coord field ratio For pyTree interface the vector field to be integrated must be specified Se
25. e m1 1 m1 3 1 m1 2 m1 3 m1 4 S C initVars s cellN 2 ml T patch ml s 1 m1 3 1 s T subzone ml 1 1 1 m1 2 1 m1 4 S C initVars s cellN 2 ml T patch ml s 1 1 1 ni 30 nj 40 G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 1 m2 C initVars m2 cellN 1 3 N ll array P zipper ml m2 C convertArrays2File array out plt 20 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB Example file Examples Post zipperPT py zipper pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G import Transform PyTree as T cylindre ni 30 nj 40 nk 1 G cylinder 0 0 0 1 5 0 360 10 ni nj nk C addVars m1 Density ml C initVars ml cellN 1 mi mi Set cellN 2 interpolated points to boundary S T subzone ml 1 nj 1 ni nj nk S C initVars s cellN 2 ml T patch ml s 1 nj 1 s T subzone ml 1 1 1 ni 1 nk S C initVars s cellN 2 ml T patch ml s 1 1 1 f carre ni 30 nj 40 m2 G carc 0 0 0 10 7 81 1 10 7 egal eds ni nj l m2 C initVars m2 Density 1 2 m2 C initVars m2 cellN 1 t C newPyTree Base 2 t 2 1 2 ml m2 z P zipper t z 0 zipper t 2 1 2 append z C convertPyTree2File t out cgns Example file Examples Post usurp py usurp array import Post as P
26. enter2Node p back on init grid p C addVars m p C convertArrays2File p out plt Example file Examples Post computeNormCurlPT py computeNormCurl pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G def F x y z return 12 yxy 4 ni 30 nj 40 nk 3 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj nk m C initVars m F1 F CoordinateX CoordinateY CoordinateZ m C addVars m F2 m C addVars m F3 varname F1 F2 F3 m P computeNormCurl m varname t C newPyTree Base t 2 1 2 append m C convertPyTree2File t out cgns Example file Examples Post computeDiff py computeDiff array import Converter as C import Post as P import Generator as G def F x if x gt 5 return True else return False ni 30 nj 40 nk 1 ti G cart 0 0 0 10 ni 1 10 7 m5j 1 41 5 mi mjy nk m C initVars m ro F x p P computeDiff m ro p C addVars m p C convertArrays2File p out plt Example file Examples Post computeDiffPT py computeDiff pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G def F x if x gt 5 return True else return False 12 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB ni 30 nj 40 nk 1 megG cart 0 0 0 10 ni 1 10 mj 1 12 minj nky m C initVa
27. import Converter as C import Generator as G import Transform as T cyln al G cylinder 0 0 0 0 2 360 0 1 100 2 10 al T subzone al 1 2 1 al 2 2 a1 4 cyln append al a2 G cylinder 0 0 0 0 2 90 0 0 5 10 2 10 a2 T translate a2 0 0 0 2 a2 T subzone a2 1 2 1 a2 2 2 a2 4 cyln append a2 cl cyln 0 ibl C array cellN cl 2 1 c1 3 c1 4 1 ibl C initVars ibl cellN 1 ib1 1 0 586 0 c2 cyln 1 ib2 C array cellN c2 2 1 c2 3 c2 4 1 ib2 C initVars ib2 cellN 1 ibc ibl ib2 r P usurp cyln ibc cylc C node2Center cyln out l len cylc for i in range 1 out append C addVars cylc i ibc ill C convertArrays2File out outc plt 21 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB Example file Examples Post usurpPT py f usurp pyTree import Post PyTree as P import Converter PyTree as C import Generator PyTree as G import Transform PyTree as T al G cylinder 0 0 0 0 2 360 0 1 100 2 10 al T subzone al 1 2 1 100 2 10 al 0 cy11 a2 G cylinder 0 0 0 0 2 90 0 0 5 10 2 10 a2 T translate a2 0 0 0 2 a2 T subzone a2 1 2 1 10 2 10 a2 0 cyl2 al C initVars al centers cellN 1 a2 C initVars a2 centers cellN 1 t C newPyTree Base 2 t 2 1 2 al a2 t P usurp t C convertPyTree2File t out cgns Ex
28. le Examples Post computeExtraVariablePT py f computeExtraVariable pyTree import Generator PyTree as G import Converter PyTree as C import Transform PyTree as T import Post PyTree as P def F x y return x x yx y cart 0 0 0 1 1 1 50 50 50 initVars a Density 1 initVars a MomentumX F CoordinateX CoordinateY initVars a MomentumY 0 initVars a MomentumZ 0 initVars a EnergyStagnationDensity 100000 computeExtraVariable a centers VorticityMagnitude computeExtraVariable a centers QCriterion computeExtraVariable a centers ShearStress D y DO DO D D D N tg Hy FU CO ET CO 003 o I Hd subzone a 1 1 1 50 50 1 b P computeExtraVariable b centers SkinFriction b P computeExtraVariable b centers SkinFrictionTangential E C newPyTree Base t 2 11 2 append a C convertPyTree2File t out cgns Example file Examples Post computeGrad py computeGrad array import Converter as C import Post as P import Generator as G ni 1001 nj 1001 nk 1 m Gart 0 0 0 10 mie 10 j l mi pn nk m initVars m ro 2 x x y p computeGrad m ro 4 p is defined on centers p C center2Node p back on initial mesh D Cy N Qr IO x30 C addVars m p convertArrays2File p out plt Example file Examples Post computeGradPT py f computeGrad pyTree import Converter PyTree as C
29. les Post exteriorFacesStructuredPT py P exteriorElts select the exterior elements of a mesh that is the first border fringe of cells b P exteriorElts a See Examples Post exteriorElts py See Examples Post exteriorEltsPT py P frontFaces select faces that are located at the boundary where a tag indicator change from 0 ol b PfrontFaces a tag See Examples Post frontFaces py See Examples Post frontFacesPT py P sharpEdges return sharp edges arrays starting from surfaces or contours Adjacent cells ct having an angle deviating from more than alphaRef to 180 degrees are considered as sharp res P sharpEdges A alphaRef 30 See Examples Post sharpEdges py See Examples Post sharpEdgesPT py P silhouette return silhouette arrays starting from surfaces or contours according to a direction vector res P silhouette A vector 1 0 0 See Examples Post silhouette py See Examples Post silhouettePT py P coarsen coarsen a triangle mesh by providing a coarsening indicator which is 1 if the ele ment must be coarsened 0 elsewhere Triangles are merged by edge contraction if tagged to be coarsened by indic and if new triangles deviate less than tol to the original triangle Required mesh quality is controled by argqual argqual equal to 0 5 corresponds to an equilateral triangle whereas a value near zero corresponds to a bad triangle shape Array version an indic i array must be provided whose dimension ni
30. nother mesh When using the array interface the input arrays are a list of grid arrays A defining nodes co ordinates and a corresponding list of arrays defining the chimera nature of cells at cell centers B Blanked cells must be flagged by a null value Other values are equally considered as computed or interpolated cells C Pusurp A B When using the pyTree interface chimera cell nature field must be defined as a center field in A B Pusurp A Warning normal of surfaces grids defined by A must be oriented in the same direction See Examples Post usurp py See Examples Post usurpPT py 1 7 Streams P streamLine compute the stream line with N points starting from point x0 y0 z0 given a solu tion A and a vector defined by 3 variables v1 v2 v3 Parameter dur can be set to 1 streamline follows velocity 1 streamline follows velocity or 2 streamline expands in both directions The output yields the set of N extracted points on the streamline and the input fields at these points The streamline computation stops when the current point is not interpolable from the input grids b P streamLine A x0 y0 z0 Pv L v2 v3 N 2000 dir 2 See Examples Post streamLine py See Examples Post streamLinePT py P streamRibbon compute the stream ribbon starting from point x0 y0 z0 of width and di rection given by the vector nx ny nz This vector must be roughly orthogonal to the vector v1
31. pect to the required number of points nbTargetPts a field and bodies If refineFinestLevel 1 the finest level of the octree o is refined If coarsenCoarsestLevel 1 the coarsest level of the octree o is coarsened provided the balancing is respected This function computes epsInf epsSup indicator such that when indicVal vallnf the octree is coarsened indicator 1 when indicVal valSup the octree is refined indicator 1 For an octree defined in an array o and the field in indic Val indicator vallnf valSup P computelndicatorField o indicVal nbTargetPts 1 bodies re fineFinestLevel 1 coarsenCoarsestLevel 1 For the pyTree version the name varname of the field on which is based the indicator must be spec ified o vallnf valSup P computeIndicatorField o varname nbTargetPts 1 bodies refine FinestLevel 1 coarsenCoarsestLevel 1 See Examples Post computeIndicatorField py See Examples Post computelIndicatorFieldPT py 1 6 Solution extraction P extractPoint extract the field in one or several points given a solution defined by A The ex tracted field s is returned as a list of values for each point If the point x y z is not interpolable from a grid then O for all fields is returned In the pyTree version extractPoint returns the extracted solution from solutions located at nodes followed by the solution extracted from solutions at centers If celIN ichim cellnf status
32. r can be 0 or 1 and is defined by extrapOrder ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB A preconditioning tree for the interpolation cell search can be built prior to extractMesh if is used several times for instance and is stored in a hook It can be created and deleted by C createHook and C freeHook see Converter module userguide b P extractMesh A a order 2 extrapOrder 1 constraint 40 tol 1 e 6 hook None See Examples Post extractMesh py See Examples Post extractMeshPT py P zipper build an unstructured unique surface mesh given a list of structured overlapping sur face grids A Cell nature field is used to find blanked 0 and interpolated 2 cells a P zipper A options The options argument is a list of arguments such as argName arg Value Option names can be overlapTol for tolerance required between two overlapping grids if the projection distance be tween them is under this value then the grids are considered to be overset Default value is 1 e 5 For some cases matchTol can be set to modify the matching boundaries tolerance Default value is set le 6 In most cases one needn t modify this parameter See Examples Post zipper py See Examples Post zipperPT py P usurp an alternative to zipper is usurp Result is a ratio field located at cell centers In case of no overset ratio are set to 1 otherwise ratio represents the percentage of overlap of a cell by a
33. ree Base t 2 1 11 2 b C convertPyTree2File t out cgns Example file Examples Post frontFaces py frontFaces array import Converter as C import Generator as G import Post as P G cart 0 0 0 1 1 1 11 11 11 def F x y z if x 2 y z gt 20 return 1 else return 0 C initVars a tag FE x y z C extractVars a tag a t f P frontFaces a t C convertArrays2File a f out plt Example file Examples Post frontFacesPT py frontFaces pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P a ce G cart 0 0 0 1 121 124 LIl I1 1l1 def F x y z if x 2xy z gt 20 return 1 else return 0 a C initVars a tag F CoordinateX CoordinateY f P frontFaces a tag f 0 front t C newPyTree Base t 2 1 2 a f Ce convertPyTree2File t out cgns Example file Examples Post sharpEdges py 15 ELSA MU 09024 V2 0 CoordinateZ ONERA THE FRENCH AEROSPACE LAB sharpEdges array import Converter as C import Generator as G import Post as P import Transform as T al G oart 0 0 5 0 1 5 1 1 7 2 251 a2 T rotate al 0 0 0 0 1 0 100 res P sharpEdges al a2 alphaRef 45 C convertArrays2File al a2 res out plt Example file Examples Post sharpEdgesPT py sharpEdges pyTree import Converter PyTree
34. rs m Density F Coordinatex m P computeDiff m Density t C newPyTree Base 2 t 21 11 21 append m C convertPyTree2File t out cgns Example file Examples Post selectCells py selectCells array import Converter as C import Generator as G import Post as P a G cart 0 0 0 1 1 1 11 11 11 def F x y z if x 2 y z gt 20 return True else return False b P selectCells a F x y z c P selectCells a F x y z strict 1 d P selectCells a x 2 y z gt 20 e P selectCells a x 52 amp y gt 2 C convertArrays2File b c d e out plt Example file Examples Post selectCellsPT py f selectCells pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P def F x y z if x 2xy z gt 20 return True else return False G cart 0 0 0 11 1 11 11 11 P selectCells a F CoordinateX CoordinateY CoordinateZ C newPyTree Base t 2 1 2 append a convertPyTree2File t out cgns C Example file Examples Post selectCells2 py selectCells2 array import Converter as C import Generator as G import Post as P a G cart 0 0 0 1 1 1 11 11 11 tag C array tag 10 10 10 tag C initVars tag tag 1 b P selectCells2 a tag C convertArrays2File b out plt Example file Examples Post selectCells2PT pw f selectCell
35. rs only e g centers Pressure and if it is not prefixed then the variable is computed at nodes See Examples Post computeVariables py See Examples Post compute VariablesPT py P computeExtraVariable compute more advanced variables from conservative variables var Name can be Vorticity VorticityMagnitude QCriterion ShearStress requires gamma rep Ts mus Cs SkinFriction SkinFrictionTangential b P computeExtraVariable a varName or B P computeExtraVariable A varName See Examples Post computeExtraVariable py See Examples Post computeExtraVariablePT py P computeGrad compute the gradient vector gradx grady gradz of a varname field defined in a The returned field is located at cell centers See Examples Post computeGrad py See Examples Post computeGradPT py P computeNormGrad compute the norm of gradient gradx grady gradz of a field of name varname defined in a The returned field grad varname and is located at cell centers See Examples Post computeNormGrad py See Examples Post computeNormGradPT py P computeCurl compute curl of a 3D vector defined by its variable names vectx vecty vectz in a The returned field is defined at cell centers for structured grids and elements centers for un ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB structured grids b P computeCurl a vectx vecty vectz or
36. s D cartTetra 0 0 0 1 1 1 10 10 1 initVars a centers indic 1 N ada C newPyTree Base 2 t 2 1 2 append a a a a P refine a indic t C convertPyTree2File t out cgns Example file Examples Post computelndicatorValue py 17 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB f compIndicatorValue array import Generator as G import Converter as C import Geom as D import Post as P import KCore test as test S D circle 0 0 0 1 snear 0 1 o G octree s snear dfar 10 balancing 0 res G octree2Struct o vmin 11 merged 0 vol G getVolumeMap res res C node2Center res val P computelndicatorValue o res vol o C addVars o val C convertArrays2File o out plt Example file Examples Post computeIndicatorValuePT py compIndicatorValue pyTree import Generator PyTree as G import Converter PyTree as C import Geom PyTree as D import Post PyTree as P S D circle 0 0 0 1 snear 0 1 o G octree s snear dfar 10 balancing 1 res G octree2Struct o vmin 11 merged 1 res G getVolumeMap res o P computeIndicatorValue o res centers vol t C newPyTree Base t 2 1 2 0 C convertPyTree2File t out cgns Example file Examples Post computeIndicatorField py f compIndicatorField array import Generator as G import Converter as C import Geom as D import Post as P import
37. s2 pyTree import Converter PyTree as C import Generator PyTree as G import Post PyTree as P cart 0 0 0 1 1 1 11 11 11 initVars a tag 1 selectCells2 a tag C newPyTree Base t 21 11 21 append b convertPyTree2File t out cgns N OO a a b t C 13 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB Example file Examples Post interiorFaces py interiorFaces array import Converter as C import Post as P import Generator as G Get interior faces in broad sense faces with 2 neighbours a G cartTetra 0 0 0 1 1 1 20 2 1 b P interiorFaces a C convertArrays2File a b outl plt Get interior faces in strict sense faces having only interior nodes a G cartTetra 0 0 0 1 1 1 20 3 1 b P interiorFaces a 1 C convertArrays2File a b out2 plt Example file Examples Post interiorFacesPT py f interiorFaces pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G G cartTetra 0 0 0 1 1 1 20 20 1 P interiorFaces a C newPyTree Base 1 t 2 1 2 append b convertPyTree2File t out cgns b t C Example file Examples Post exteriorFaces py exteriorFaces array import Converter as C import Post as P import Generator as G a G cartTetra 0 0 0 1 1 1 20 20 20 b P exteriorFaces a C convertArrays2File b out plt Example file Examples Post ex
38. t Example file Examples Post importVariablesPT py import Converter PyTree as C import Generator PyTree as G import Post PyTree as P tl C newPyTree Base t2 C newPyTree Base zl G cart 0 0 0 0 1 0 1 6 1 10 10 10 t1 2 1 2 append z1 t2 2 1 2 append z1 tl C initVars tl centers cellN 1 t2 C initVars t2 centers cellN 0 tl C initVars t1 centers Density 1 tl C initVars tl Pressure 10 cet 2 P importVariables tl t2 C convertPyTree2File t2 out cgns Example file Examples Post compute Variables py ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB computeVariables array import Converter as C import Post as P import Generator as G ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 nj 1 1 ni nj 2 c C array ro rou rov row roE ni nj 2 c C initVars c ro 1 c C initVars c rou 1 c C initVars c rov 0 c C initVars c row 0 c C initVars c roE 1 m C addVars m c Pressure and Mach number extraction default values of rgp and gamma are used A N N A N ee Oe ae p P computeVariables m Mach Pressure m C addVars m p C convertArrays2File m out plt Example file Examples Post compute VariablesPT py f computeVariables pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTre
39. t selectCellsPT py P selectCells2 select cells according to a field defined by a variable tag 1 if selected 0 if not selected If og is located at centers only cells of tag 1 are selected If tag is located at nodes and strict 0 the cell is selected if at least one of the cell vertices is tag 1 If tag is located at nodes and strict 1 the cell is selected if all the cell vertices is tag 1 In the array version the tag is an array In the pyTree version the tag must be defined in a FlowSolution_t type node located at cell centers or nodes b P selectCells2 a tag strict 0 or B P selectCells2 A TAG strict 0 See Examples Post selectCells2 py See Examples Post selectCells2PT py P interiorFaces select the interior faces of a mesh Interior faces are faces with two neigh bours If strict is set to 1 select the interior faces that have only interior nodes See Examples Post interiorFaces py See Examples Post interiorFacesPT py P exteriorFaces Select the exterior faces of a mesh and return them in a single unstructured zone b PexteriorFaces a See Examples Post exteriorFaces py See Examples Post exteriorFacesPT py P exteriorFacesStructured Select the exterior faces of a structured mesh as a list of structured meshes ELSA MU 09024 V2 0 O N E R AN THE FRENCH AEROSPACE LAB b P exteriorFacesStructured a See Examples Post exteriorFacesStructured py See Examp
40. teriorFacesPT py f exteriorFaces pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G a G cartTetra 0 0 0 1 1 1 4 4 6 b P exteriorFaces a t C newPyTree Base 2 t 2 1 2 append b C convertPyTree2File t out cgns Example file Examples Post exteriorFacesStructured py exteriorFacesStructured array import Converter as C import Post as P import Generator as G a G cart 0 0 0 1 1 1 4 4 6 A P exteriorFacesStructured a C convertArrays2File A out plt Example file Examples Post exteriorFacesStructuredPT py 14 ELSA MU 09024 V2 0 ONERA THE FRENCH AEROSPACE LAB exteriorFacesStructured pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G a G cart 0 0 0 1 1 1 4 4 6 zones P exteriorFacesStructured a t C newPyTree Base 2 t 2 1 2 zones C convertPyTree2File t out cgns Example file Examples Post exteriorElts py exteriorElts array import Converter as C import Post as P import Generator as G a G cartTetra 0 0 0 1 1 1 10 10 10 b P exteriorElts a C convertArrays2File b out plt Example file Examples Post exteriorEltsPT py exteriorElts pyTree import Converter PyTree as C import Post PyTree as P import Generator PyTree as G a G cartTetra 0 0 0 1 1 1 10 10 10 b P exteriorElts a t C newPyT
41. tor as G import Post as P Maillage et champs non structure en noeuds m G cartTetra 0 0 0 0 1 0 1 0 2 10 10 1 c C array ro 100 162 TRI c C initVars c ro 1 res P integMomentNorm m cl 1 5 5 0 print res f Maillage en noeuds ni 30 nj 40 m G cart 0 0 0 10 ni 1 10 1 mj 1 1 n1 n3 1 f Champ a integrer en centres c C array v ni l nj 1 1 c C initVars c v 1 Integration de chaque champ res P integMomentNorm m c 5 5 0 print res f Champ a integrer en noeuds cn C array v ni nj 1 cn C initVars cn v 1 resn P integMomentNorm m cn 5 5 0 print resn Example file Examples Post integMomentNormPT py f integMomentNorm pyTree import Converter PyTree as C 28 ELSA MU 09024 V2 0 O N E R A THE FRENCH AEROSPACE LAB import Generator PyTree as G import Post PyTree as P m G cartTetra 0 0 0 D 1 0 1 0 2 10 10 1 m C initVars m Density l res P integMomentNorm m var Density center 5 5 0 print res ELSA MU 09024 V2 0 S ONERA THE FRENCH AEROSPACE LAB

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