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Old   September 3, 2014, 11:51
Question Problems with interpolation
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Dear Users,

I am trying to implement some forces in the lagrangian library. For this purpose I need the curl of the carrier velocity field at the particles' positions. So I included a interpolator similar for this in kinematicParcel, similar to the already existing interpolators.

This is in principle working. But after some time of running a simulation, I get an output like the following:

0] #0 Foam::error::printStack(Foam::Ostream&) in "/opt/openfoam/openfoam211/platforms/linux64GccDPOpt/lib/"
[0] #1 Foam::sigSegv::sigHandler(int) in "/opt/openfoam/openfoam211/platforms/linux64GccDPOpt/lib/"
[0] #2 in "/lib/"
[0] #3 Foam::interpolationCellPoint<Foam::Vector<double> >::interpolate(Foam::Vector<double> const&, Foam::tetIndices const&, int) const in "/opt/openfoam/openfoam211/platforms/linux64GccDPOpt/lib/"
[0] #4
[0] at ~/OpenFOAM/user-2.1.1/src/lagrangian/incompressible/intermediate/lnInclude/KinematicParcel.C:67

Line 67 in KinematicParcel.C calls this new interpolator:

    curlUc_ = td.curlUInterp().interpolate(this->position(), tetIs);
All the other interpolators work fine. Does anyone have an idea what the error could be? And maybe how to solve it?
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