foamToVTK
Dear foamers,
I am getting following error at the time of converting from foamToVTK at the time of writing 40th iteration. /*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 1.6 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 1.6-53b7f692aa41 Exec : foamToVTK Date : May 05 2010 Time : 23:37:32 Host : localhost.localdomain PID : 9524 Case : /home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified nProcs : 1 SigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create mesh for time = 0 Time: 0 volScalarFields : p nut k epsilon nuTilda volVectorFields : U volSymmTensorFields : R Internal : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/couplermodified_0.vtk" Original cells:1039528 points:222710 Additional cells:8 additional points:4 Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/FEMALE_DESIGN/FEMALE_DESIGN_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/COUPLER/COUPLER_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/INLET/INLET_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/OUTLET/OUTLET_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/FM_PIN/FM_PIN_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/M_PIN/M_PIN_0.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/MALE_DESIGN/MALE_DESIGN_0.vtk" FaceZone : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/int_FLUID/int_FLUID_0.vtk" Time: 20 volScalarFields : p nut k epsilon volVectorFields : U Internal : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/couplermodified_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/FEMALE_DESIGN/FEMALE_DESIGN_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/COUPLER/COUPLER_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/INLET/INLET_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/OUTLET/OUTLET_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/FM_PIN/FM_PIN_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/M_PIN/M_PIN_20.vtk" Patch : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/MALE_DESIGN/MALE_DESIGN_20.vtk" FaceZone : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/int_FLUID/int_FLUID_20.vtk" Time: 40 volScalarFields : p nut k epsilon volVectorFields : U Internal : "/home/user/OpenFOAM/OpenFOAM-1.6/run/tutorials/incompressible/simpleFoam/couplervtkfiles/couplermodified/VTK/couplermodified_40.vtk" #0 Foam::error::printStack(Foam::Ostream&) in "/home/user/OpenFOAM/OpenFOAM-1.6/lib/linuxGccDPOpt/libOpenFOAM.so" #1 Foam::sigFpe::sigFpeHandler(int) in "/home/user/OpenFOAM/OpenFOAM-1.6/lib/linuxGccDPOpt/libOpenFOAM.so" #2 Uninterpreted: #3 Foam::writeFuns::insert(double const&, Foam::DynamicList<float, 0u, 2u, 1u>&) in "/home/user/OpenFOAM/OpenFOAM-1.6/applications/bin/linuxGccDPOpt/foamToVTK" #4 void Foam::writeFuns::write<double>(std::ostream&, bool, Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> const&, Foam::vtkMesh const&) in "/home/user/OpenFOAM/OpenFOAM-1.6/applications/bin/linuxGccDPOpt/foamToVTK" #5 main in "/home/user/OpenFOAM/OpenFOAM-1.6/applications/bin/linuxGccDPOpt/foamToVTK" #6 __libc_start_main in "/lib/libc.so.6" #7 _start at /usr/src/packages/BUILD/glibc-2.9/csu/../sysdeps/i386/elf/start.S:122 Floating point exception Please give suggestions to overcome this problem. Regards, Sam |
Greetings Sam and welcome to the forum!
Probably at that iteration, infinite or undefined values or even NaN (Not-A-Number) values where found on the results, but it was unable to write those out-of-bound values. You could try using: Code:
foamToVTK -ascii Check the residues of your run to see if there are any alarming values, like residues in the order of 1e+300, for that same iteration. If you are basing yourself on an existing tutorial case from OpenFOAM 1.6, I suggest that you get the 1.6.x version; no need to build it, just get it to check the same tutorial you've based on. I say this, because the motorBike case in OpenFOAM 1.6 diverges around iteration 300, while the 1.6.x motorBike version doesn't diverge, using the same simpleFoam solver from 1.6! Best regards, Bruno |
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