| samiam1000 |
May 24, 2012 02:48 |
Moving Mesh
Dear All,
I am trying to run a moving-mesh problem when I give the moveDynamicMesh command, I get this error:
Quote:
lab@lab-laptop:~/Documenti/cases_OF/OF_case18_moving_door/moving_door_0$ moveDynamicMesh
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.0 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.1.0-0bc225064152
Exec : moveDynamicMesh
Date : May 24 2012
Time : 10:00:10
Host : "lab-laptop"
PID : 3028
Case : /home/lab/Documenti/cases_OF/OF_case18_moving_door/moving_door_0
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time
Create mesh for time = 0
Selecting dynamicFvMesh dynamicMotionSolverFvMesh
Selecting motion solver: displacementLaplacian
Selecting motion diffusion: inverseDistance
Time = 5e-06
GAMG: Solving for cellDisplacementx, Initial residual = 0, Final residual = 0, No Iterations 0
GAMG: Solving for cellDisplacementy, Initial residual = 0, Final residual = 0, No Iterations 0
GAMG: Solving for cellDisplacementz, Initial residual = 1, Final residual = 8.56595e-07, No Iterations 9
Point usage OK.
Upper triangular ordering OK.
Topological cell zip-up check OK.
Face vertices OK.
Face-face connectivity OK.
Mesh topology OK.
Boundary openness (-3.45182e-17 2.95949e-17 3.53759e-17) OK.
***High aspect ratio cells found, Max aspect ratio: 1.41654e+198, number of cells 4786
Minumum face area = 4.60908e-06. Maximum face area = 0.0398707. Face area magnitudes OK.
Min volume = 1.33333e-300. Max volume = 0.00143918. Total volume = 5.5607. Cell volumes OK.
Mesh non-orthogonality Max: 179.655 average: 62.4743
*Number of severely non-orthogonal faces: 34479.
***Number of non-orthogonality errors: 9301.
***Error in face pyramids: 19112 faces are incorrectly oriented.
***Max skewness = 2617.13, 2542 highly skew faces detected which may impair the quality of the results
Failed 4 mesh geometry checks.
Failed 1 mesh checks.
ExecutionTime = 1.6 s ClockTime = 2 s
Time = 1e-05
#0 Foam::error::printStack(Foam::Ostream&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#1 Foam::sigFpe::sigHandler(int) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#2 in "/lib/libc.so.6"
#3 void Foam::mag<Foam::Vector<double>, Foam::fvsPatchField, Foam::surfaceMesh>(Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh>&, Foam::GeometricField<Foam::Vector<double>, Foam::fvsPatchField, Foam::surfaceMesh> const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so"
#4 Foam::tmp<Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> > Foam::mag<Foam::Vector<double>, Foam::fvsPatchField, Foam::surfaceMesh>(Foam::GeometricField<Foam::Vect or<double>, Foam::fvsPatchField, Foam::surfaceMesh> const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so"
#5 Foam::fv::limitedSnGrad<Foam::Vector<double> >::correction(Foam::GeometricField<Foam::Vector<do uble>, Foam::fvPatchField, Foam::volMesh> const&) const in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so"
#6 Foam::fv::gaussLaplacianScheme<Foam::Vector<double >, double>::fvmLaplacian(Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> const&, Foam::GeometricField<Foam::Vector<double>, Foam::fvPatchField, Foam::volMesh> const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so"
#7 Foam::tmp<Foam::fvMatrix<Foam::Vector<double> > > Foam::fvm::laplacian<Foam::Vector<double>, double>(Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> const&, Foam::GeometricField<Foam::Vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::word const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfvMotionSolvers.so"
#8 Foam::tmp<Foam::fvMatrix<Foam::Vector<double> > > Foam::fvm::laplacian<Foam::Vector<double>, double>(Foam::tmp<Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> > const&, Foam::GeometricField<Foam::Vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::word const&) in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfvMotionSolvers.so"
#9 Foam::displacementLaplacianFvMotionSolver::solve() in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfvMotionSolvers.so"
#10 Foam::motionSolver::newPoints() in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libdynamicMesh.so"
#11 Foam::dynamicMotionSolverFvMesh::update() in "/opt/openfoam210/platforms/linux64GccDPOpt/lib/libdynamicFvMesh.so"
#12
in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/moveDynamicMesh"
#13 __libc_start_main in "/lib/libc.so.6"
#14
in "/opt/openfoam210/platforms/linux64GccDPOpt/bin/moveDynamicMesh"
Floating point exception
|
Is this a problem with the mesh? Which are the steps that may help to get a good result?
Thanks a lot,
Samuele |
