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January 4, 2012, 13:51 |
porousSimpleFoam - crash
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#1 |
New Member
Sebastian
Join Date: Aug 2011
Location: Poland, Poznań
Posts: 23
Rep Power: 15 |
Welcome Foamers
I spent all day on searching solutions for this error. I use porousSimpleFoam and I took mesh from Fluent. look's like a simple problem - the one input one output plus the porous zone. after 20 iterations the simulation breaks down.. I would ask for any suggestions what might be wrong where I made a mistake? [plgsebaa@n1-4-4 wydob_1]$ porousSimpleFoam /*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 1.7.1 | | \\ / A nd | Web: www.OpenFOAM.com | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 1.7.1-03e7e056c215 Exec : porousSimpleFoam Date : Jan 04 2012 Time : 19:23:06 Host : n1-4-4.local PID : 7370 Case : /mnt/auto/people/plgsebaa/test_case/wydob_1 nProcs : 1 SigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create mesh for time = 0 Reading field p Reading field U Reading/calculating face flux field phi Selecting incompressible transport model Newtonian Selecting RAS turbulence model kEpsilon kEpsilonCoeffs { Cmu 0.09; C1 1.44; C2 1.92; sigmaEps 1.3; } Creating porous zone: POROUS_ZONE Starting time loop Time = 0.01 smoothSolver: Solving for Ux, Initial residual = 0, Final residual = 0, No Iterations 0 smoothSolver: Solving for Uy, Initial residual = 1, Final residual = 0.068853, No Iterations 2 smoothSolver: Solving for Uz, Initial residual = 0, Final residual = 0, No Iterations 0 GAMG: Solving for p, Initial residual = 1, Final residual = 0.0364543, No Iterations 9 time step continuity errors : sum local = 3.87347e-12, global = 3.30007e-15, cumulative = 3.30007e-15 smoothSolver: Solving for epsilon, Initial residual = 0.999623, Final residual = 1.86974e-14, No Iterations 2 smoothSolver: Solving for k, Initial residual = 1, Final residual = 4.7752e-11, No Iterations 2 ExecutionTime = 0.74 s ClockTime = 1 s Time = 0.02 smoothSolver: Solving for Ux, Initial residual = 0.342943, Final residual = 0.0107729, No Iterations 4 smoothSolver: Solving for Uy, Initial residual = 0.638351, Final residual = 0.0246273, No Iterations 4 smoothSolver: Solving for Uz, Initial residual = 0.592757, Final residual = 0.0367471, No Iterations 2 GAMG: Solving for p, Initial residual = 0.121501, Final residual = 0.00582584, No Iterations 3 time step continuity errors : sum local = 2.19959e-09, global = 3.49719e-12, cumulative = 3.50049e-12 smoothSolver: Solving for epsilon, Initial residual = 0.99988, Final residual = 1.16313e-15, No Iterations 2 smoothSolver: Solving for k, Initial residual = 0.999905, Final residual = 2.64026e-09, No Iterations 2 ExecutionTime = 1.2 s ClockTime = 1 s ... Time = 0.21 smoothSolver: Solving for Ux, Initial residual = 1, Final residual = 9.29518e-50, No Iterations 2 smoothSolver: Solving for Uy, Initial residual = 1, Final residual = 1.21793e-49, No Iterations 2 smoothSolver: Solving for Uz, Initial residual = 1, Final residual = 3.46985e-50, No Iterations 2 GAMG: Solving for p, Initial residual = 0.00823832, Final residual = 0.000275484, No Iterations 1 time step continuity errors : sum local = 5.75209e+56, global = -7.33984e+51, cumulative = -7.33984e+51 smoothSolver: Solving for epsilon, Initial residual = 0.00156525, Final residual = 87816.5, No Iterations 1000 bounding epsilon, min: 8.27141e-24 max: 1.32026e+116 average: 1.68431e+112 smoothSolver: Solving for k, Initial residual = 3.36682e-29, Final residual = 3.36682e-29, No Iterations 0 ExecutionTime = 18.27 s ClockTime = 19 s Time = 0.22 smoothSolver: Solving for Ux, Initial residual = 1, Final residual = 7.10764e-85, No Iterations 2 smoothSolver: Solving for Uy, Initial residual = 1, Final residual = 6.8068e-85, No Iterations 2 smoothSolver: Solving for Uz, Initial residual = 1, Final residual = 2.53065e-85, No Iterations 2 #0 Foam::error:rintStack(Foam::Ostream&) in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #1 Foam::sigFpe::sigFpeHandler(int) in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #2 __restore_rt at sigaction.c:0 #3 Foam::GAMGSolver::scalingFactor(Foam::Field<double >&, Foam::Field<double> const&, Foam::Field<double> const&, Foam::Field<double> const&) const in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #4 Foam::GAMGSolver::scalingFactor(Foam::Field<double >&, Foam::lduMatrix const&, Foam::Field<double>&, Foam::FieldField<Foam::Field, double> const&, Foam::UPtrList<Foam::lduInterfaceField const> const&, Foam::Field<double> const&, unsigned char) const in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #5 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::PtrList<Foam::Field<double> >&, Foam::PtrList<Foam::Field<double> >&, unsigned char) const in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #6 Foam::GAMGSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so" #7 Foam::fvMatrix<double>::solve(Foam::dictionary const&) in "/software/local/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libfiniteVolume.so" #8 main in "/software/local/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/porousSimpleFoam" #9 __libc_start_main in "/lib64/libc.so.6" #10 _start in "/software/local/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/porousSimpleFoam" Floating point exception and files with msh Code:
http://speedy.sh/pbF98/porousSimpleFoam.tar.gz Sebaj Last edited by Sebaj; January 4, 2012 at 14:11. |
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January 4, 2012, 13:58 |
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#2 |
Senior Member
Martin
Join Date: Oct 2009
Location: Aachen, Germany
Posts: 255
Rep Power: 21 |
Hi Sebaj,
wrong dimensions I suppose. Use Code:
transformPoints -scale "(0.001 0.001 0.001)" Good luck Martin |
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January 4, 2012, 16:16 |
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#3 |
New Member
Sebastian
Join Date: Aug 2011
Location: Poland, Poznań
Posts: 23
Rep Power: 15 |
thanks Martin!
It's works |
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