# what does this verbose error mean?

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 February 6, 2013, 17:14 what does this verbose error mean? #1 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,210 Rep Power: 19 everything seemd ok but abruptly this long error displayed. Code: ```Courant Number mean: 0.006016320533 max: 0.1094533052 deltaT = 6.881161557e-09 Time = 0.000112601 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 PIMPLE: iteration 1 DILUPBiCG: Solving for Ux, Initial residual = 0.0003065940147, Final residual = 8.088815418e-12, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.0005394431507, Final residual = 5.194598759e-13, No Iterations 2 DILUPBiCG: Solving for h, Initial residual = 0.0001163574497, Final residual = 1.838228562e-14, No Iterations 3 DICPCG: Solving for p, Initial residual = 0.0003997994449, Final residual = 9.948692108e-15, No Iterations 2 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 4.188394383e-15, global = 1.42856472e-15, cumulative = -1.407065799e-10 rho max/min : 5.383448835 0.2 DICPCG: Solving for p, Initial residual = 2.559207164e-06, Final residual = 5.072694151e-17, No Iterations 2 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 1.737292932e-16, global = 1.119480219e-17, cumulative = -1.407065687e-10 rho max/min : 5.383355107 0.2 DICPCG: Solving for p, Initial residual = 1.337395928e-08, Final residual = 9.77091466e-15, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 4.118995901e-15, global = -3.390387368e-15, cumulative = -1.407099591e-10 rho max/min : 5.383355467 0.2 PIMPLE: iteration 2 DILUPBiCG: Solving for Ux, Initial residual = 4.398893749e-06, Final residual = 2.914809825e-14, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 2.447614872e-06, Final residual = 2.002688409e-15, No Iterations 2 DILUPBiCG: Solving for h, Initial residual = 1.04755499e-06, Final residual = 7.705584358e-12, No Iterations 1 DICPCG: Solving for p, Initial residual = 1.057724393e-05, Final residual = 2.824820755e-13, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 1.1507866e-13, global = 6.562614854e-14, cumulative = -1.40644333e-10 rho max/min : 5.383355502 0.7692116369 DICPCG: Solving for p, Initial residual = 1.716288277e-06, Final residual = 1.285608816e-14, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 5.378666265e-15, global = 8.705774841e-16, cumulative = -1.406434624e-10 rho max/min : 5.383355567 0.6781598605 DICPCG: Solving for p, Initial residual = 1.891985206e-08, Final residual = 1.687145477e-15, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 8.348058347e-16, global = -3.574820453e-16, cumulative = -1.406438199e-10 rho max/min : 5.383355567 0.6784748731 PIMPLE: iteration 3 DILUPBiCG: Solving for Ux, Initial residual = 3.657724663e-06, Final residual = 6.051157014e-14, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 2.000624503e-06, Final residual = 6.537992318e-14, No Iterations 1 DILUPBiCG: Solving for h, Initial residual = 8.947293795e-07, Final residual = 2.190691845e-12, No Iterations 1 DICPCG: Solving for p, Initial residual = 4.535262965e-05, Final residual = 1.564044214e-13, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 6.402201821e-14, global = 4.145793719e-14, cumulative = -1.40602362e-10 rho max/min : 5.383355548 0.2 DICPCG: Solving for p, Initial residual = 1.045788467e-06, Final residual = 8.114587543e-14, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 3.330928329e-14, global = -3.216345809e-15, cumulative = -1.406055783e-10 rho max/min : 5.383355566 0.2 DICPCG: Solving for p, Initial residual = 4.63908245e-09, Final residual = 3.206699154e-16, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 2.863556535e-16, global = 3.088302968e-17, cumulative = -1.406055474e-10 rho max/min : 5.383355566 0.2 PIMPLE: iteration 4 DILUPBiCG: Solving for Ux, Initial residual = 4.132894833e-06, Final residual = 8.315058254e-16, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 2.281584771e-06, Final residual = 1.836118109e-15, No Iterations 1 DILUPBiCG: Solving for h, Initial residual = 8.269748069e-07, Final residual = 5.748967379e-13, No Iterations 1 DICPCG: Solving for p, Initial residual = 1.118342901e-05, Final residual = 5.768516473e-14, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 2.360931641e-14, global = -7.240713962e-15, cumulative = -1.406127881e-10 rho max/min : 5.383355561 0.7690964525 DICPCG: Solving for p, Initial residual = 2.306754574e-06, Final residual = 1.128468539e-14, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 4.742983271e-15, global = 1.81637703e-15, cumulative = -1.406109718e-10 rho max/min : 5.383355566 0.6453792226 DICPCG: Solving for p, Initial residual = 2.580090896e-08, Final residual = 2.295472813e-15, No Iterations 1 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 time step continuity errors : sum local = 1.088034946e-15, global = -4.943138359e-16, cumulative = -1.406114661e-10 rho max/min : 5.383355566 0.6458080722 PIMPLE: not converged within 4 iterations ExecutionTime = 722.71 s ClockTime = 847 s Courant Number mean: 0.005407088417 max: 0.1799486538 deltaT = 3.801022574e-09 Time = 0.000112605 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 PIMPLE: iteration 1 DILUPBiCG: Solving for Ux, Initial residual = 0.0001704256844, Final residual = 5.454769696e-12, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.0002990829967, Final residual = 1.904069496e-13, No Iterations 2 DILUPBiCG: Solving for h, Initial residual = 6.452278284e-05, Final residual = 2.307948873e-12, No Iterations 2 [3] #0 Foam::error::printStack(Foam::Ostream&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so" [3] #1 Foam::sigFpe::sigHandler(int) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so" [3] #2 in "/lib/x86_64-linux-gnu/libc.so.6" [3] #3 in "/lib/x86_64-linux-gnu/libm.so.6" [3] #4 Foam::pow(Foam::Field&, Foam::UList const&, double const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so" [3] #5 Foam::pow(Foam::UList const&, double const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so" [3] #6 parserPatch::PatchValueExpressionParser::parse() in "/home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libswak4FoamParsers.so" [3] #7 Foam::PatchValueExpressionDriver::parse(std::string const&) in "/home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libswak4FoamParsers.so" [3] #8 Foam::groovyBCFvPatchField::updateCoeffs() in "/home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libgroovyBC.so" [3] #9 at gaussLaplacianSchemes.C:0 [3] #10 Foam::fv::gaussLaplacianScheme::fvmLaplacianUncorrected(Foam::GeometricField const&, Foam::GeometricField const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so" [3] #11 Foam::fv::gaussLaplacianScheme::fvmLaplacian(Foam::GeometricField const&, Foam::GeometricField const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so" [3] #12 Foam::fv::laplacianScheme::fvmLaplacian(Foam::GeometricField const&, Foam::GeometricField const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so" [3] #13 Foam::tmp > Foam::fvm::laplacian(Foam::GeometricField const&, Foam::GeometricField const&, Foam::word const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam" [3] #14 Foam::tmp > Foam::fvm::laplacian(Foam::GeometricField const&, Foam::GeometricField const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam" [3] #15 [3] in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam" [3] #16 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" [3] #17 [3] in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam" [Ehsan-com:30333] *** Process received signal *** [Ehsan-com:30333] Signal: Floating point exception (8) [Ehsan-com:30333] Signal code: (-6) [Ehsan-com:30333] Failing at address: 0x3e80000767d [Ehsan-com:30333] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x36420) [0x7f768c3ca420] [Ehsan-com:30333] [ 1] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x7f768c3ca3a5] [Ehsan-com:30333] [ 2] /lib/x86_64-linux-gnu/libc.so.6(+0x36420) [0x7f768c3ca420] [Ehsan-com:30333] [ 3] /lib/x86_64-linux-gnu/libm.so.6(+0x60f6) [0x7f768c9510f6] [Ehsan-com:30333] [ 4] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so(_ZN4Foam3powERNS_5FieldIdEERKNS_5UListIdEERKd+0x41) [0x7f768d4645e1] [Ehsan-com:30333] [ 5] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so(_ZN4Foam3powERKNS_5UListIdEERKd+0x62) [0x7f768d466d02] [Ehsan-com:30333] [ 6] /home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libswak4FoamParsers.so(_ZN11parserPatch26PatchValueExpressionParser5parseEv+0x6ff0) [0x7f767e781a30] [Ehsan-com:30333] [ 7] /home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libswak4FoamParsers.so(_ZN4Foam26PatchValueExpressionDriver5parseERKSs+0x6b) [0x7f767e8129cb] [Ehsan-com:30333] [ 8] /home/ehsan/OpenFOAM/ehsan-2.1.0/platforms/linux64GccDPOpt/lib/libgroovyBC.so(_ZN4Foam20groovyBCFvPatchFieldIdE12updateCoeffsEv+0x55) [0x7f76860c5bb5] [Ehsan-com:30333] [ 9] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so(+0xbf17e6) [0x7f768e86f7e6] [Ehsan-com:30333] [10] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so(_ZN4Foam2fv20gaussLaplacianSchemeIddE23fvmLaplacianUncorrectedERKNS_14GeometricFieldIdNS_13fvsPatchFieldENS_11surfaceMeshEEERKNS3_IdNS_12fvPatchFieldENS_7volMeshEEE+0xa6) [0x7f768e884916] [Ehsan-com:30333] [11] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so(_ZN4Foam2fv20gaussLaplacianSchemeIddE12fvmLaplacianERKNS_14GeometricFieldIdNS_13fvsPatchFieldENS_11surfaceMeshEEERKNS3_IdNS_12fvPatchFieldENS_7volMeshEEE+0x86) [0x7f768e877086] [Ehsan-com:30333] [12] /opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so(_ZN4Foam2fv15laplacianSchemeIddE12fvmLaplacianERKNS_14GeometricFieldIdNS_12fvPatchFieldENS_7volMeshEEES8_+0x67) [0x7f768e87e6e7] [Ehsan-com:30333] [13] /opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam(_ZN4Foam3fvm9laplacianIddEENS_3tmpINS_8fvMatrixIT_EEEERKNS_14GeometricFieldIT0_NS_12fvPatchFieldENS_7volMeshEEERKNS7_IS4_S9_SA_EERKNS_4wordE+0x67) [0x442c37] [Ehsan-com:30333] [14] /opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam(_ZN4Foam3fvm9laplacianIddEENS_3tmpINS_8fvMatrixIT_EEEERKNS_14GeometricFieldIT0_NS_12fvPatchFieldENS_7volMeshEEERKNS7_IS4_S9_SA_EE+0x93) [0x442d93] [Ehsan-com:30333] [15] /opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam() [0x41ac6d] [Ehsan-com:30333] [16] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f768c3b530d] [Ehsan-com:30333] [17] /opt/openfoam210/platforms/linux64GccDPOpt/bin/rhoPimpleFoam() [0x41cf5d] [Ehsan-com:30333] *** End of error message *** -------------------------------------------------------------------------- mpirun noticed that process rank 3 with PID 30333 on node Ehsan-com exited on signal 8 (Floating point exception). -------------------------------------------------------------------------- gnuplot> set terminal png small color ^ line 0: invalid color spec, must be xRRGGBB gnuplot> set terminal png small color ^ line 0: invalid color spec, must be xRRGGBB Killing PID 30325 PyFoam WARNING on line 232 of file /usr/local/lib/python2.7/dist-packages/PyFoam/Execution/FoamThread.py : Process 30325 was already dead gnuplot> set terminal png small color ^ line 0: invalid color spec, must be xRRGGBB```

 February 6, 2013, 17:47 #2 Senior Member   Niels Gjoel Jacobsen Join Date: Mar 2009 Location: Deltares, Delft, The Netherlands Posts: 1,754 Rep Power: 29 We are back at the same problem, which we discussed some time ago. Look at dump #4, #5 and #8. You are doing an illegal operation on a value using your pow-function in your groovyBC - recall Bernhard's long list of potential issues. I guess the rest is merely pyFoam quitting because of the crash. Good luck, Niels

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