107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
{
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Info << "Setting traction on solid patch" << endl;
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// vectorField fluidPatchTraction =
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// -rhoFluid.value()*nu.value()
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// *U.boundaryField()[fluidPatchID].snGrad()
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// + rhoFluid.value()*p.boundaryField()[fluidPatchID]
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// *mesh.boundary()[fluidPatchID].nf();
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vectorField fluidPatchTraction =
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-rhoFluid.value()*nu.value()
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*U.boundaryField()[fluidPatchID].snGrad();
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scalarField fluidPatchPressure =
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rhoFluid.value()*p.boundaryField()[fluidPatchID];
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vectorField fluidZoneTraction
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(
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mesh.faceZones()[fluidZoneID].size(),
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vector::zero
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);
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const label fluidPatchStart =
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mesh.boundaryMesh()[fluidPatchID].start();
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forAll(fluidPatchTraction, i)
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{
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fluidZoneTraction
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[
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mesh.faceZones()[fluidZoneID].whichFace(fluidPatchStart + i)
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] =
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fluidPatchTraction[i];
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}
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// Parallel data exchange: collect pressure field on all processors
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reduce(fluidZoneTraction, sumOp<vectorField>());
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scalarField fluidZonePressure
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(
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mesh.faceZones()[fluidZoneID].size(),
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0.0
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);
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forAll(fluidPatchPressure, i)
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{
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fluidZonePressure
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[
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mesh.faceZones()[fluidZoneID].whichFace(fluidPatchStart + i)
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] =
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fluidPatchPressure[i];
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}
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// Parallel data exchange: collect pressure field on all processors
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reduce(fluidZonePressure, sumOp<scalarField>());
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vectorField solidZoneTraction =
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interpolatorFluidSolid.faceInterpolate
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(
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fluidZoneTraction
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);
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scalarField solidZonePressure =
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interpolatorFluidSolid.faceInterpolate
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(
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fluidZonePressure
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);
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const label solidPatchStart =
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stressMesh.boundaryMesh()[solidPatchID].start();
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forAll(solidPatchTraction, i)
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{
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solidPatchTraction[i] =
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solidZoneTraction
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[
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stressMesh.faceZones()[solidZoneID]
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.whichFace(solidPatchStart + i)
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];
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}
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forAll(solidPatchPressure, i)
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{
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solidPatchPressure[i] =
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solidZonePressure
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[
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stressMesh.faceZones()[solidZoneID]
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.whichFace(solidPatchStart + i)
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];
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}
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if (fsi)
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{
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tForce.traction() = solidPatchTraction;
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tForce.pressure() = solidPatchPressure;
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}
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vector totalTractionForce =
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gSum
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(
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solidPatchTraction
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*stressMesh.magSf().boundaryField()[solidPatchID]
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);
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Info << "Total traction force = "
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<< totalTractionForce << endl;
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}
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