217 lines
6 KiB
C
217 lines
6 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "tractionDisplacementFvPatchVectorField.H"
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#include "addToRunTimeSelectionTable.H"
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#include "volFields.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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tractionDisplacementFvPatchVectorField::
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tractionDisplacementFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedGradientFvPatchVectorField(p, iF),
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traction_(p.size(), vector::zero),
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pressure_(p.size(), 0.0)
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{
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fvPatchVectorField::operator=(patchInternalField());
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gradient() = vector::zero;
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}
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tractionDisplacementFvPatchVectorField::
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tractionDisplacementFvPatchVectorField
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(
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const tractionDisplacementFvPatchVectorField& tdpvf,
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const fvPatchFieldMapper& mapper
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)
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:
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fixedGradientFvPatchVectorField(tdpvf, p, iF, mapper),
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traction_(tdpvf.traction_, mapper),
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pressure_(tdpvf.pressure_, mapper)
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{}
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tractionDisplacementFvPatchVectorField::
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tractionDisplacementFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const dictionary& dict
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)
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:
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fixedGradientFvPatchVectorField(p, iF),
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traction_("traction", dict, p.size()),
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pressure_("pressure", dict, p.size())
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{
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fvPatchVectorField::operator=(patchInternalField());
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gradient() = vector::zero;
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}
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tractionDisplacementFvPatchVectorField::
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tractionDisplacementFvPatchVectorField
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(
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const tractionDisplacementFvPatchVectorField& tdpvf
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)
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:
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fixedGradientFvPatchVectorField(tdpvf),
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traction_(tdpvf.traction_),
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pressure_(tdpvf.pressure_)
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{}
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tractionDisplacementFvPatchVectorField::
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tractionDisplacementFvPatchVectorField
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(
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const tractionDisplacementFvPatchVectorField& tdpvf,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedGradientFvPatchVectorField(tdpvf, iF),
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traction_(tdpvf.traction_),
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pressure_(tdpvf.pressure_)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void tractionDisplacementFvPatchVectorField::autoMap
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(
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const fvPatchFieldMapper& m
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)
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{
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fixedGradientFvPatchVectorField::autoMap(m);
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traction_.autoMap(m);
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pressure_.autoMap(m);
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}
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void tractionDisplacementFvPatchVectorField::rmap
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(
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const fvPatchVectorField& ptf,
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const labelList& addr
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)
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{
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fixedGradientFvPatchVectorField::rmap(ptf, addr);
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const tractionDisplacementFvPatchVectorField& dmptf =
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refCast<const tractionDisplacementFvPatchVectorField>(ptf);
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traction_.rmap(dmptf.traction_, addr);
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pressure_.rmap(dmptf.pressure_, addr);
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}
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void tractionDisplacementFvPatchVectorField::updateCoeffs()
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{
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if (updated())
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{
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return;
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}
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const dictionary& mechanicalProperties =
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db().lookupObject<IOdictionary>("mechanicalProperties");
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const dictionary& thermalProperties =
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db().lookupObject<IOdictionary>("thermalProperties");
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dimensionedScalar rho(mechanicalProperties.lookup("rho"));
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dimensionedScalar rhoE(mechanicalProperties.lookup("E"));
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dimensionedScalar nu(mechanicalProperties.lookup("nu"));
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dimensionedScalar E = rhoE/rho;
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dimensionedScalar mu = E/(2.0*(1.0 + nu));
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dimensionedScalar lambda = nu*E/((1.0 + nu)*(1.0 - 2.0*nu));
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dimensionedScalar threeK = E/(1.0 - 2.0*nu);
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Switch planeStress(mechanicalProperties.lookup("planeStress"));
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if (planeStress)
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{
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lambda = nu*E/((1.0 + nu)*(1.0 - nu));
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threeK = E/(1.0 - nu);
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}
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scalar twoMuLambda = (2*mu + lambda).value();
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vectorField n = patch().nf();
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const fvPatchField<symmTensor>& sigmaD =
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lookupPatchField<volSymmTensorField, symmTensor>("sigmaD");
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gradient() =
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(
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(traction_ + pressure_*n)/rho.value()
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+ twoMuLambda*fvPatchField<vector>::snGrad() - (n & sigmaD)
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)/twoMuLambda;
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Switch thermalStress(thermalProperties.lookup("thermalStress"));
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if (thermalStress)
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{
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dimensionedScalar alpha(thermalProperties.lookup("alpha"));
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dimensionedScalar threeKalpha = threeK*alpha;
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const fvPatchField<scalar>& T =
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lookupPatchField<volScalarField, scalar>("T");
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gradient() += n*threeKalpha.value()*T/twoMuLambda;
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}
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fixedGradientFvPatchVectorField::updateCoeffs();
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}
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void tractionDisplacementFvPatchVectorField::write(Ostream& os) const
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{
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fvPatchVectorField::write(os);
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traction_.writeEntry("traction", os);
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pressure_.writeEntry("pressure", os);
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writeEntry("value", os);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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makePatchTypeField(fvPatchVectorField, tractionDisplacementFvPatchVectorField);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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