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foam-extend4.1-coherent-io/applications/solvers/stressAnalysis/contactStressFoam/contactPatchPairUpdateContact.C
2013-07-18 10:15:54 +02:00

105 lines
3.2 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Description
\*---------------------------------------------------------------------------*/
#include "contactPatchPair.H"
#include "volPointInterpolation.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void contactPatchPair::updateContact
(
const volVectorField& disp
)
{
vectorField slaveVertexResult =
patchToPatchInterpolate_.pointInterpolate<vector>
(
masterInterpolate_.faceToPointInterpolate
(
disp.boundaryField()[masterPatchIndex_]
)
);
const vectorField& projectionDirection =
mesh_.boundaryMesh()[slavePatchIndex_].pointNormals();
// use this for touch fraction
scalarField vertexSlaveGap =
(
(
slaveVertexResult
- slaveInterpolate_.faceToPointInterpolate
(
disp.boundaryField()[slavePatchIndex_]
)
)
& projectionDirection
) + patchToPatchInterpolate_.pointDistanceToIntersection() - tol_;
// use this for slaveDisplacement
vectorField vertexSlaveDisplacement =
slaveVertexResult
+ patchToPatchInterpolate_.pointDistanceToIntersection()
*projectionDirection;
// calculate area in contact
const faceList& slavePatchLocalFaces =
mesh_.boundaryMesh()[slavePatchIndex_].localFaces();
const pointField& slavePatchLocalPoints =
mesh_.boundaryMesh()[slavePatchIndex_].localPoints();
touchFraction_ = 0;
forAll (slavePatchLocalFaces, faceI)
{
touchFraction_[faceI] =
slavePatchLocalFaces[faceI].areaInContact
(
slavePatchLocalPoints,
vertexSlaveGap
);
}
// calculate contact direction
slaveDisplacement_ =
slaveInterpolate_.pointToFaceInterpolate(vertexSlaveDisplacement);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //