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#1 |
New Member
Narayan Kumar
Join Date: Feb 2023
Posts: 1
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Hi All
I am unable to understand why these errors are occurring , if someone can help me in resolving that it would be great help [0] #0 Foam::error: ![]() [0] #1 Foam::sigFpe::sigHandler(int) at ??:? [0] #2 ? in /lib64/libpthread.so.0 [0] #3 Foam::scalarProduct<double, double>::type Foam::sumProd<double>(Foam::UList<double> const&, Foam::UList<double> const&) at ??:? [0] #4 Foam::PCG::scalarSolve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:? [0] #5 Foam::GAMGSolver::solveCoarsestLevel(Foam::Field<d ouble>&, Foam::Field<double> const&) const at ??:? [0] #6 Foam::GAMGSolver::Vcycle(Foam::PtrList<Foam::lduMa trix::smoother> const&, Foam::Field<double>&, Foam::Field<double> const&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::PtrList<Foam::Field<double> >&, Foam::PtrList<Foam::Field<double> >&, unsigned char) const at ??:? [0] #7 Foam::GAMGSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:? [0] #8 Foam::fvMatrix<double>::solveSegregated(Foam::dict ionary const&) at ??:? [0] #9 Foam::fvMatrix<double>::solveSegregatedOrCoupled(F oam::dictionary const&) at ??:? [0] #10 Foam::fvMesh::solve(Foam::fvMatrix<double>&, Foam::dictionary const&) const at ??:? [0] #11 main at ??:? [0] #12 __libc_start_main in /lib64/libc.so.6 [0] #13 ? at ??:? [r00n13:19125] *** Process received signal *** [r00n13:19125] Signal: Floating point exception (8) [r00n13:19125] Signal code: (-6) [r00n13:19125] Failing at address: 0xbc900004ab5 [r00n13:19125] [ 0] /lib64/libpthread.so.0(+0xf5e0)[0x2ae1cf9705e0] [r00n13:19125] [ 1] /lib64/libpthread.so.0(raise+0x2b)[0x2ae1cf9704ab] [r00n13:19125] [ 2] /lib64/libpthread.so.0(+0xf5e0)[0x2ae1cf9705e0] [r00n13:19125] [ 3] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam7sumProdIdEENS_13scalarProd uctIT_S2_E4typeERKNS_5UListIS2_EES8_+0x35)[0x2ae1ce9392e5] [r00n13:19125] [ 4] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam3PCG11scalarSolveERNS_5Fie ldIdEERKS2_h+0x835)[0x2ae1ce748055] [r00n13:19125] [ 5] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam10GAMGSolver18solveCoarses tLevelERNS_5FieldIdEERKS2_+0xab)[0x2ae1ce76fe1b] [r00n13:19125] [ 6] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam10GAMGSolver6VcycleERKNS_7 PtrListINS_9lduMatrix8smootherEEERNS_5FieldIdEERKS 8_S9_S9_S9_S9_S9_RNS1_IS8_EESD_h+0x668)[0x2ae1ce772668] [r00n13:19125] [ 7] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam10GAMGSolver5solveERNS_5Fi eldIdEERKS2_h+0x5a1)[0x2ae1ce774b51] [r00n13:19125] [ 8] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so(_ZN4Foam8fvMatrixIdE15solveSegr egatedERKNS_10dictionaryE+0x178)[0x2ae1c93a9a48] [r00n13:19125] [ 9] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so(_ZN4Foam8fvMatrixIdE24solveSegr egatedOrCoupledERKNS_10dictionaryE+0x363)[0x2ae1c8c6a5b3] [r00n13:19125] [10] /home/3017/OpenFOAM/OpenFOAM-v2106/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so(_ZNK4Foam6fvMesh5solveERNS_8fvM atrixIdEERKNS_10dictionaryE+0xf)[0x2ae1c8c0f7af] [r00n13:19125] [11] sedInterFoam(main+0x22141)[0x46a1c1] [r00n13:19125] [12] /lib64/libc.so.6(__libc_start_main+0xf5)[0x2ae1cfb9ec05] [r00n13:19125] [13] sedInterFoam[0x486605] [r00n13:19125] *** End of error message *** -------------------------------------------------------------------------- Primary job terminated normally, but 1 process returned a non-zero exit code. Per user-direction, the job has been aborted. -------------------------------------------------------------------------- -------------------------------------------------------------------------- mpirun noticed that process rank 0 with PID 19125 on node r00n13 exited on signal 8 (Floating point exception). |
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#2 |
Member
Jnana Bhaskar Rao
Join Date: Mar 2020
Posts: 46
Rep Power: 5 ![]() |
The GAMG/PCG matrix solver is running into a situation where in trying to solve the equation it is obtaining a value that can't be expressed as a float. In simpler words, it is most likely getting a division by 0 because either the boundary conditions or the initial conditions or your tolerance are not correct.
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openfoam 2106, parallel decomposition |
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