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Old   July 3, 2012, 05:24
Default error occurred in openfoam
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When I import mesh in openform and change U and P after run in icofoam during run after some steps it generate error that error is :....................

DILUPBiCG: Solving for Uy, Initial residual = 0.994145, Final residual = 3.8729, No Iterations 1001
DILUPBiCG: Solving for Uz, Initial residual = 0.994948, Final residual = 46610.1, No Iterations 1001
DICPCG: Solving for p, Initial residual = 1, Final residual = 3.29213, No Iterations 1001
time step continuity errors : sum local = 3.53548e+105, global = 1.49966e+88, cumulative = 1.49966e+88
#0 Foam::error:rintStack(Foam::Ostream&) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#1 Foam::sigFpe::sigHandler(int) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#2 Uninterpreted:
#3 Foam::PCG::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#4 Foam::fvMatrix<double>::solve(Foam::dictionary const&) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libfiniteVolume.so"
#5
in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
#6
in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
#7 __libc_start_main in "/lib/i386-linux-gnu/libc.so.6"
#8

in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
Floating point exception
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Old   July 3, 2012, 05:47
Default error occurred in openfoam
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when i import mesh in openform and change U and P after run in icofoam during run after some step it generate error that error is :....................
DILUPBiCG: Solving for Uy, Initial residual = 0.994145, Final residual = 3.8729, No Iterations 1001
DILUPBiCG: Solving for Uz, Initial residual = 0.994948, Final residual = 46610.1, No Iterations 1001
DICPCG: Solving for p, Initial residual = 1, Final residual = 3.29213, No Iterations 1001
time step continuity errors : sum local = 3.53548e+105, global = 1.49966e+88, cumulative = 1.49966e+88
#0 Foam::error:: printStack(Foam::Ostream&) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#1 Foam::sigFpe:sigHandler(int) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#2 Uninterpreted:
#3 Foam::PCG::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libOpenFOAM.so"
#4 Foam::fvMatrix<double>::solve(Foam::dictionary const&) in "/opt/openfoam201/platforms/linuxGccDPOpt/lib/libfiniteVolume.so"
#5
in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
#6
in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
#7 __libc_start_main in "/lib/i386-linux-gnu/libc.so.6"
#8
in "/opt/openfoam201/platforms/linuxGccDPOpt/bin/icoFoam"
Floating point exception

happy@ubuntu:~/OpenFOAM/happy-2.0.1/run/testtutorials/incompressible/icoFoam/testcavity$ paraFoam
created temporary 'testcavity.OpenFOAM'
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Old   July 3, 2012, 05:57
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Greetings to both of you.

I've merged your two threads since you're basically asking the very same question... 23 minutes apart.

The answer is simple - go read the cavity tutorial once again, starting from this section: 2.1.5 Increasing the mesh resolution
And keep reading the rest of the tutorial until you understand what needs to be modified

Best regards,
Bruno
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Old   September 28, 2014, 08:16
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Quote:
Originally Posted by wyldckat View Post
Greetings to both of you.

I've merged your two threads since you're basically asking the very same question... 23 minutes apart.

The answer is simple - go read the cavity tutorial once again, starting from this section: 2.1.5 Increasing the mesh resolution
And keep reading the rest of the tutorial until you understand what needs to be modified

Best regards,
Bruno



can you please pin point what needs to be modified.

Thanks & Regards,

Bharat
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Old   September 28, 2014, 08:24
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Quote:
Originally Posted by bharat.cmeri View Post
can you please pin point what needs to be modified.
Quick answer: Please read subsection "2.1.5.4 Control adjustments" on the OpenFOAM User Guide: http://www.openfoam.org/docs/user/cavity.php
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Old   September 28, 2014, 10:23
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Quote:
Originally Posted by wyldckat View Post
Quick answer: Please read subsection "2.1.5.4 Control adjustments" on the OpenFOAM User Guide: http://www.openfoam.org/docs/user/cavity.php


Thanks for your quick reply....

Regards,

Bharat
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