# Dynamic Mesh Problem

 User Name Remember Me Password
 Register Blogs Members List Search Today's Posts Mark Forums Read

 August 14, 2010, 16:28 Dynamic Mesh Problem #1 Senior Member   Daniel Join Date: Jul 2009 Location: Montreal, Canada Posts: 156 Rep Power: 10 Hello all, I am attempting to oscillate an airfoil and flap using angularOscillatingDisplacement, however I receive the following errors: Code: ```// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create mesh for time = 0 Selecting dynamicFvMesh dynamicMotionSolverFvMesh Selecting motion solver: displacementLaplacian PointPatchField::New(const pointPatch&, const Field&, const dictionary&) : constructing pointPatchField PointPatchField::New(const pointPatch&, const Field&, const dictionary&) : constructing pointPatchField PointPatchField::New(const pointPatch&, const Field&, const dictionary&) : constructing pointPatchField PointPatchField::New(const pointPatch&, const Field&, const dictionary&) : constructing pointPatchField PointPatchField::New(const word&, const pointPatch&, const Field&) : constructing pointPatchField Selecting motion diffusion: quadratic Selecting motion diffusion: inverseDistance Time = 0.05 #0 Foam::error::printStack(Foam::Ostream&) in "/opt/openfoam170/lib/linux64GccDPOpt/libOpenFOAM.so" #1 Foam::sigFpe::sigFpeHandler(int) in "/opt/openfoam170/lib/linux64GccDPOpt/libOpenFOAM.so" #2 in "/lib/libc.so.6" #3 Foam::divide(Foam::Field&, double const&, Foam::UList const&) in "/opt/openfoam170/lib/linux64GccDPOpt/libOpenFOAM.so" #4 Foam::operator/(double const&, Foam::tmp > const&) in "/opt/openfoam170/lib/linux64GccDPOpt/libOpenFOAM.so" #5 Foam::fvPatch::makeDeltaCoeffs(Foam::Field&) const in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #6 Foam::surfaceInterpolation::makeDeltaCoeffs() const in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #7 Foam::surfaceInterpolation::deltaCoeffs() const in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #8 Foam::fv::uncorrectedSnGrad >::deltaCoeffs(Foam::GeometricField, Foam::fvPatchField, Foam::volMesh> const&) const in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #9 Foam::fv::gaussLaplacianScheme, double>::fvmLaplacianUncorrected(Foam::GeometricField const&, Foam::GeometricField, Foam::fvPatchField, Foam::volMesh>&) in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #10 Foam::fv::gaussLaplacianScheme, double>::fvmLaplacian(Foam::GeometricField const&, Foam::GeometricField, Foam::fvPatchField, Foam::volMesh>&) in "/opt/openfoam170/lib/linux64GccDPOpt/libfiniteVolume.so" #11 Foam::tmp > > Foam::fvm::laplacian, double>(Foam::GeometricField const&, Foam::GeometricField, Foam::fvPatchField, Foam::volMesh>&, Foam::word const&) in "/opt/openfoam170/lib/linux64GccDPOpt/libfvMotionSolvers.so" #12 Foam::tmp > > Foam::fvm::laplacian, double>(Foam::tmp > const&, Foam::GeometricField, Foam::fvPatchField, Foam::volMesh>&, Foam::word const&) in "/opt/openfoam170/lib/linux64GccDPOpt/libfvMotionSolvers.so" #13 Foam::displacementLaplacianFvMotionSolver::solve() in "/opt/openfoam170/lib/linux64GccDPOpt/libfvMotionSolvers.so" #14 Foam::motionSolver::newPoints() in "/opt/openfoam170/lib/linux64GccDPOpt/libdynamicMesh.so" #15 Foam::dynamicMotionSolverFvMesh::update() in "/opt/openfoam170/lib/linux64GccDPOpt/libdynamicFvMesh.so" #16 in "/opt/openfoam170/applications/bin/linux64GccDPOpt/moveDynamicMesh" #17 __libc_start_main in "/lib/libc.so.6" #18 in "/opt/openfoam170/applications/bin/linux64GccDPOpt/moveDynamicMesh" Floating point exception``` I find this very strange since I was able to run a very similar mesh, without the flap, using all the same files except for the blockMesh (new Dict) and /0/** (added the patch for the flap) files. The first case runs just fine, the second case will not run at all. I would appreciate any advice, since I cannot interpret these errors. Thank you, Dan