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Error running simpleFoam in parallel

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Old   August 29, 2008, 01:40
Default Hi All, simpleFoam stalls w
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Senthil Kabilan
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Hi All,

simpleFoam stalls with the following error message after around 3600 iterations. Can anyone help me decipher this error message?

[5] #0 _ZN4Foam5error10printStackERNS_7OstreamE-0x1069420
[5] in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libOpenFOAM.so"
[5] #1 _ZN4Foam6sigFpe13sigFpeHandlerEi-0xffcb50
[5] in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libOpenFOAM.so"
[5] #2 Uninterpreted: [0xa0000000000107e0]
[5] #3 _ZNK4Foam21processorLduInterface14compressedSendIN S_6VectorIdEEEEvRKNS_5UListIT_ EEb-0x2323500
[5] in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libfiniteVolume.so "
[5] #4 _ZN4Foam21processorFvPatchFieldINS_6VectorIdEEE12i nitEvaluateEb-0x231cb10
[5] in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libfiniteVolume.so "
[5] #5 Foam::GeometricField<foam::vector<double>, Foam::fvPatchField, Foam::volMesh>::GeometricBoundaryField::evaluate() in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linuxIA64\
GccDPOpt/simpleFoam"
[5] #6 Foam::fvMatrix<foam::vector<double> >::H() const in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linuxIA64GccDPOpt/simpl eFoam"
[5] #7 main in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linuxIA64GccDPOpt/simpl eFoam"
[5] #8 __libc_start_main-0x770c00
[5] in "/lib/libc.so.6.1"
[5] #9 _start in "/home/skabilan/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linuxIA64GccDPOpt/simpl eFoam"
[altix1:23859] *** Process received signal ***
[altix1:23859] Signal: Floating point exception (8)
[altix1:23859] Signal code: (-6)
[altix1:23859] Failing at address: 0x62900005d33
[altix1:23859] [ 0] [0xa0000000000107e0]
[altix1:23859] [ 1] [0xa000000000010621]
[altix1:23859] [ 2] /lib/libc.so.6.1(gsignal-0x7446c0) [0x200000000265bba0]
[altix1:23859] [ 3] /home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libOpenFOAM.so(_ZN4 Foam6sigFpe13sigFpeHandlerEi-0xffcb40) [0x2000000001d1f290]
[altix1:23859] [ 4] [0xa0000000000107e0]
[altix1:23859] [ 5] /home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libfiniteVolume.so( _ZNK4Foam21processorLduInterface14compressedSendIN S_6VectorIdEEEEvRKNS_5UListIT_ EEb-0x23235\
00) [0x2000000000a7cd00]
[altix1:23859] [ 6] /home/skabilan/OpenFOAM/OpenFOAM-1.4.1/lib/linuxIA64GccDPOpt/libfiniteVolume.so( _ZN4Foam21processorFvPatchFieldINS_6VectorIdEEE12i nitEvaluateEb-0x231cb10) [0x2000000000a83\
700]
[altix1:23859] [ 7] simpleFoam(_ZN4Foam14GeometricFieldINS_6VectorIdEE NS_12fvPatchFieldENS_7volMeshE E22GeometricBoundaryField8evaluateEv+0x1ffffffffd2 9d820) [0x400000000003da40]
[altix1:23859] [ 8] simpleFoam [0x40000000000981e0]
[altix1:23859] [ 9] simpleFoam [0x40000000000179f0]
[altix1:23859] [10] /lib/libc.so.6.1(__libc_start_main-0x770c00) [0x200000000262f630]
[altix1:23859] [11] simpleFoam [0x40000000000141c0]
[altix1:23859] *** End of error message ***
mpirun noticed that job rank 0 with PID 23854 on node altix1 exited on signal 15 (Terminated).

Thanks in advance
Senthil
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Old   August 29, 2008, 04:41
Default "signal: Floating point except
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Mattijs Janssens
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"signal: Floating point exception (8) "

One of your (patch)fields has become too big for
your precision.

Either you use 'floatTransfer' in which case your range is single precision +-1E37 or your number is outside double precision +-1E300.

Check what you expect, disable floatTransfer if necessary - though usually it is just a sign of a simulation diverging.
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Old   August 29, 2008, 09:42
Default Hi Mattijis, Thanks for the
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Senthil Kabilan
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Hi Mattijis,

Thanks for the input. It was a case of divergence...

Regards,
Senthil
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