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New Member
Marc
Join Date: May 2024
Posts: 4
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Hi there,
I am trying to run a case with a mesh that I created by merging 3 meshes. The geometry is mixing tank with two smaller cylinders inside that contain propellers. The mergeMeshes function works as expected and I can view the mesh in Paraview. The two smaller cylinders were meshed separatly before merging them with the bigger mesh. When I try to use the decomposePar -force function it first runs smoothly and then results in a "segmentation fault". What I noticed was that sometimes some processors are are shown multiple times (especially in the second example). I am using the scotch method in the decomposeParDict. CheckMesh noticed 3 different regions in this mesh (not surprising). Does this have something to do with it? If anyone else has experience with this sort of error message and shares their knowledge that would be awesome. Many thanks for reading this. Marcelinus Code:
/*---------------------------------------------------------------------------*\ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | Website: https://openfoam.org \\ / A nd | Version: 11 \\/ M anipulation | \*---------------------------------------------------------------------------*/ Build : 11-c219200fdb8b Exec : decomposePar -force Date : May 31 2024 Time : 12:13:47 Host : "DESKTOP-1FUU960" PID : 7680 I/O : uncollated Case : /mnt/c/Users/m.dieckmann/Documents/OpenFOAM/OF_Hohenheim/mergeMeshes/Flygt_Domain nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10) allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Removing 6 existing processor directories Decomposing mesh region0 Create mesh Calculating distribution of cells Selecting decomposer scotch Finished decomposition in 9.015625 s Calculating original mesh data Distributing cells to processors Distributing faces to processors Distributing points to processors Constructing processor meshes Processor 0 Number of cells = 263141 Number of faces shared with processor 1 = 1069 Number of faces shared with processor 3 = 0 Number of faces shared with processor 4 = 851 Number of faces shared with processor 4 = 0 Number of processor patches = 4 Number of processor faces = 1920 Number of boundary faces = 20165 Processor 1 Number of cells = 263665 Number of faces shared with processor 0 = 1069 Number of faces shared with processor 2 = 2282 Number of faces shared with processor 3 = 2308 Number of faces shared with processor 4 = 1473 Number of faces shared with processor 7 = 1848 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 58 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 2998 Number of faces shared with processor 9 = 0 Number of faces shared with processor 12 = 849 Number of faces shared with processor 13 = 2152 Number of faces shared with processor 15 = 967 Number of processor patches = 13 Number of processor faces = 16004 Number of boundary faces = 71958 Processor 2 Number of cells = 264482 Number of faces shared with processor 1 = 2282 Number of faces shared with processor 3 = 3119 Number of faces shared with processor 4 = 2548 Number of faces shared with processor 6 = 2900 Number of faces shared with processor 7 = 1900 Number of faces shared with processor 8 = 534 Number of processor patches = 6 Number of processor faces = 13283 Number of boundary faces = 75682 Processor 3 Number of cells = 264786 Number of faces shared with processor 0 = 0 Number of faces shared with processor 1 = 2308 Number of faces shared with processor 2 = 3119 Number of faces shared with processor 4 = 4631 Number of faces shared with processor 5 = 1294 Number of faces shared with processor 6 = 1048 Number of faces shared with processor 7 = 2 Number of faces shared with processor 8 = 3800 Number of faces shared with processor 9 = 471 Number of processor patches = 9 Number of processor faces = 16673 Number of boundary faces = 55228 Processor 4 Number of cells = 262033 Number of faces shared with processor 0 = 851 Number of faces shared with processor 0 = 0 Number of faces shared with processor 1 = 1473 Number of faces shared with processor 2 = 2548 Number of faces shared with processor 3 = 4631 Number of faces shared with processor 5 = 1953 Number of faces shared with processor 6 = 1275 Number of processor patches = 7 Number of processor faces = 12731 Number of boundary faces = 72556 Processor 5 Number of cells = 263476 Number of faces shared with processor 3 = 1294 Number of faces shared with processor 4 = 1953 Number of faces shared with processor 6 = 4625 Number of faces shared with processor 7 = 846 Number of faces shared with processor 8 = 2209 Number of faces shared with processor 9 = 2269 Number of processor patches = 6 Number of processor faces = 13196 Number of boundary faces = 76856 Processor 6 Number of cells = 266174 Number of faces shared with processor 2 = 2900 Number of faces shared with processor 3 = 1048 Number of faces shared with processor 4 = 1275 Number of faces shared with processor 5 = 4625 Number of faces shared with processor 7 = 2485 Number of faces shared with processor 8 = 2594 Number of faces shared with processor 9 = 334 Number of processor patches = 7 Number of processor faces = 15261 Number of boundary faces = 65185 Processor 7 Number of cells = 263010 Number of faces shared with processor 1 = 1848 Number of faces shared with processor 1 = 0 Number of faces shared with processor 2 = 1900 Number of faces shared with processor 3 = 2 Number of faces shared with processor 5 = 846 Number of faces shared with processor 6 = 2485 Number of faces shared with processor 8 = 2327 Number of faces shared with processor 9 = 3525 Number of faces shared with processor 10 = 0 Number of faces shared with processor 11 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 13 = 0 Number of faces shared with processor 14 = 0 Number of faces shared with processor 15 = 0 Number of faces shared with processor 16 = 0 Number of faces shared with processor 17 = 0 Number of faces shared with processor 18 = 0 Number of faces shared with processor 19 = 0 Number of processor patches = 18 Number of processor faces = 12933 Number of boundary faces = 77735 Processor 8 Number of cells = 265001 Number of faces shared with processor 1 = 58 Number of faces shared with processor 1 = 0 Number of faces shared with processor 2 = 534 Number of faces shared with processor 3 = 3800 Number of faces shared with processor 5 = 2209 Number of faces shared with processor 6 = 2594 Number of faces shared with processor 7 = 2327 Number of faces shared with processor 9 = 5230 Number of faces shared with processor 10 = 0 Number of faces shared with processor 11 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 13 = 0 Number of faces shared with processor 14 = 0 Number of faces shared with processor 15 = 0 Number of faces shared with processor 16 = 0 Number of faces shared with processor 17 = 0 Number of faces shared with processor 18 = 0 Number of faces shared with processor 19 = 0 Number of processor patches = 18 Number of processor faces = 16752 Number of boundary faces = 55549 Processor 9 Number of cells = 262576 Number of faces shared with processor 1 = 2998 Number of faces shared with processor 1 = 0 Number of faces shared with processor 3 = 471 Number of faces shared with processor 5 = 2269 Number of faces shared with processor 6 = 334 Number of faces shared with processor 7 = 3525 Number of faces shared with processor 8 = 5230 Number of faces shared with processor 10 = 0 Number of faces shared with processor 11 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 13 = 0 Number of faces shared with processor 14 = 0 Number of faces shared with processor 15 = 0 Number of faces shared with processor 16 = 0 Number of faces shared with processor 17 = 0 Number of faces shared with processor 18 = 0 Number of faces shared with processor 19 = 0 Number of processor patches = 17 Number of processor faces = 14827 Number of boundary faces = 70761 Processor 10 Number of cells = 265117 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 11 = 7071 Number of faces shared with processor 13 = 630 Number of faces shared with processor 14 = 3741 Number of faces shared with processor 17 = 4023 Number of faces shared with processor 18 = 4724 Number of processor patches = 8 Number of processor faces = 20189 Number of boundary faces = 7712 Processor 11 Number of cells = 263454 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 7071 Number of faces shared with processor 12 = 6142 Number of faces shared with processor 14 = 2643 Number of faces shared with processor 18 = 3296 Number of processor patches = 7 Number of processor faces = 19152 Number of boundary faces = 7896 Processor 12 Number of cells = 263907 Number of faces shared with processor 1 = 849 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 11 = 6142 Number of faces shared with processor 13 = 4976 Number of faces shared with processor 14 = 4134 Number of processor patches = 7 Number of processor faces = 16101 Number of boundary faces = 9177 Processor 13 Number of cells = 266729 Number of faces shared with processor 1 = 2152 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 630 Number of faces shared with processor 12 = 4976 Number of faces shared with processor 14 = 6982 Number of faces shared with processor 15 = 3286 Number of faces shared with processor 16 = 4324 Number of faces shared with processor 17 = 413 Number of processor patches = 10 Number of processor faces = 22763 Number of boundary faces = 8880 Processor 14 Number of cells = 266966 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 3741 Number of faces shared with processor 11 = 2643 Number of faces shared with processor 12 = 4134 Number of faces shared with processor 13 = 6982 Number of faces shared with processor 15 = 477 Number of faces shared with processor 16 = 1599 Number of faces shared with processor 17 = 1375 Number of processor patches = 10 Number of processor faces = 20951 Number of boundary faces = 9409 Processor 15 Number of cells = 264567 Number of faces shared with processor 1 = 967 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 13 = 3286 Number of faces shared with processor 14 = 477 Number of faces shared with processor 16 = 7013 Number of faces shared with processor 17 = 836 Number of faces shared with processor 19 = 4931 Number of processor patches = 9 Number of processor faces = 17510 Number of boundary faces = 11369 Processor 16 Number of cells = 265412 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 13 = 4324 Number of faces shared with processor 14 = 1599 Number of faces shared with processor 15 = 7013 Number of faces shared with processor 17 = 4906 Number of faces shared with processor 19 = 791 Number of processor patches = 8 Number of processor faces = 18633 Number of boundary faces = 5432 Processor 17 Number of cells = 267247 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 4023 Number of faces shared with processor 13 = 413 Number of faces shared with processor 14 = 1375 Number of faces shared with processor 15 = 836 Number of faces shared with processor 16 = 4906 Number of faces shared with processor 18 = 3215 Number of faces shared with processor 19 = 5592 Number of processor patches = 10 Number of processor faces = 20360 Number of boundary faces = 9586 Processor 18 Number of cells = 265442 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 4724 Number of faces shared with processor 11 = 3296 Number of faces shared with processor 17 = 3215 Number of faces shared with processor 19 = 5855 Number of processor patches = 7 Number of processor faces = 17090 Number of boundary faces = 9766 Processor 19 Number of cells = 266413 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 15 = 4931 Number of faces shared with processor 16 = 791 Number of faces shared with processor 17 = 5592 Number of faces shared with processor 18 = 5855 Number of processor patches = 7 Number of processor faces = 17169 Number of boundary faces = 8530 Number of processor faces = 161749 Max number of cells = 267247 (0.9698885333% above average 264679.9) Max number of processor patches = 18 (91.4893617% above average 9.4) Max number of faces between processors = 22763 (40.73039091% above average 16174.9) #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::sigSegv::sigHandler(int) at ??:? #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" #3 Foam::hexRef8Data::hexRef8Data(Foam::IOobject const&, Foam::hexRef8Data const&, Foam::List<int> const&, Foam::List<int> const&) at ??:? #4 Foam::domainDecomposition::writeProcs(bool) const at ??:? #5 Foam::domainDecomposition::readDecompose(bool) at ??:? #6 ? in "/opt/openfoam11/platforms/linux64GccDPInt32Opt/bin/decomposePar" #7 ? in "/lib/x86_64-linux-gnu/libc.so.6" #8 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #9 ? in "/opt/openfoam11/platforms/linux64GccDPInt32Opt/bin/decomposePar" Segmentation fault (core dumped) Code:
Create time Decomposing mesh region0 Create mesh Calculating distribution of cells Selecting decomposer simple Finished decomposition in 1.953125 s Calculating original mesh data Distributing cells to processors Distributing faces to processors Distributing points to processors Constructing processor meshes Processor 0 Number of cells = 502409 Number of faces shared with processor 1 = 3296 Number of faces shared with processor 1 = 0 Number of faces shared with processor 1 = 0 Number of faces shared with processor 2 = 5847 Number of faces shared with processor 2 = 0 Number of faces shared with processor 2 = 0 Number of faces shared with processor 3 = 11 Number of faces shared with processor 3 = 0 Number of faces shared with processor 3 = 0 Number of faces shared with processor 4 = 11993 Number of faces shared with processor 4 = 0 Number of faces shared with processor 4 = 0 Number of faces shared with processor 4 = 0 Number of faces shared with processor 4 = 0 Number of faces shared with processor 5 = 36 Number of faces shared with processor 5 = 0 Number of faces shared with processor 5 = 0 Number of faces shared with processor 6 = 7 Number of faces shared with processor 6 = 0 Number of faces shared with processor 6 = 0 Number of faces shared with processor 6 = 0 Number of faces shared with processor 6 = 0 Number of faces shared with processor 7 = 0 Number of faces shared with processor 7 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 8 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 9 = 0 Number of faces shared with processor 10 = 0 Number of faces shared with processor 10 = 0 Number of faces shared with processor 10 = 0 Number of faces shared with processor 10 = 0 Number of faces shared with processor 11 = 0 Number of faces shared with processor 11 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 12 = 0 Number of faces shared with processor 13 = 0 Number of faces shared with processor 13 = 0 Number of faces shared with processor 14 = 0 Number of faces shared with processor 14 = 0 Number of faces shared with processor 15 = 0 Number of faces shared with processor 15 = 0 Number of faces shared with processor 16 = 0 Number of faces shared with processor 16 = 0 Number of faces shared with processor 17 = 0 Number of faces shared with processor 17 = 0 Number of faces shared with processor 18 = 0 Number of faces shared with processor 18 = 0 Number of faces shared with processor 19 = 0 Number of faces shared with processor 19 = 0 Number of processor patches = 54 Number of processor faces = 21190 Number of boundary faces = 132073 . . . you get the point . . . Number of processor faces = 321187 Max number of cells = 502409 (89.81758721% above average 264679.9) Max number of processor patches = 58 (17.88617886% above average 49.2) Max number of faces between processors = 60975 (89.84267732% above average 32118.7) #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::sigSegv::sigHandler(int) at ??:? #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" #3 Foam::hexRef8Data::hexRef8Data(Foam::IOobject const&, Foam::hexRef8Data const&, Foam::List<int> const&, Foam::List<int> const&) at ??:? #4 Foam::domainDecomposition::writeProcs(bool) const at ??:? #5 Foam::domainDecomposition::readDecompose(bool) at ??:? #6 ? in "/opt/openfoam11/platforms/linux64GccDPInt32Opt/bin/decomposePar" #7 ? in "/lib/x86_64-linux-gnu/libc.so.6" #8 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #9 ? in "/opt/openfoam11/platforms/linux64GccDPInt32Opt/bin/decomposePar" Segmentation fault (core dumped) |
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