265 lines
7 KiB
C
265 lines
7 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2004-2007 Hrvoje Jasak
|
|
\\/ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
Description
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "cohesiveLawFvPatchVectorField.H"
|
|
#include "addToRunTimeSelectionTable.H"
|
|
#include "volFields.H"
|
|
#include "rheologyModel.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
cohesiveLawFvPatchVectorField::cohesiveLawFvPatchVectorField
|
|
(
|
|
const fvPatch& p,
|
|
const DimensionedField<vector, volMesh>& iF
|
|
)
|
|
:
|
|
fixedGradientFvPatchVectorField(p, iF),
|
|
cohesiveLawPtr_(NULL),
|
|
relaxationFactor_(1.0),
|
|
traction_(p.size(), vector::zero)
|
|
{}
|
|
|
|
|
|
cohesiveLawFvPatchVectorField::cohesiveLawFvPatchVectorField
|
|
(
|
|
const fvPatch& p,
|
|
const DimensionedField<vector, volMesh>& iF,
|
|
const dictionary& dict
|
|
)
|
|
:
|
|
fixedGradientFvPatchVectorField(p, iF),
|
|
cohesiveLawPtr_
|
|
(
|
|
cohesiveLaw::New(dict.lookup("cohesiveLaw"), dict).ptr()
|
|
),
|
|
relaxationFactor_(readScalar(dict.lookup("relaxationFactor"))),
|
|
traction_(p.size(), vector::zero)
|
|
{
|
|
fvPatchVectorField::operator=(patchInternalField());
|
|
gradient() = vector::zero;
|
|
}
|
|
|
|
|
|
cohesiveLawFvPatchVectorField::cohesiveLawFvPatchVectorField
|
|
(
|
|
const cohesiveLawFvPatchVectorField& cpf
|
|
)
|
|
:
|
|
fixedGradientFvPatchVectorField(cpf),
|
|
cohesiveLawPtr_(cpf.cohesiveLawPtr_->clone().ptr()),
|
|
relaxationFactor_(cpf.relaxationFactor_),
|
|
traction_(cpf.traction_)
|
|
{}
|
|
|
|
|
|
cohesiveLawFvPatchVectorField::cohesiveLawFvPatchVectorField
|
|
(
|
|
const cohesiveLawFvPatchVectorField& cpf,
|
|
const fvPatch& p,
|
|
const DimensionedField<vector, volMesh>& iF,
|
|
const fvPatchFieldMapper& mapper
|
|
)
|
|
:
|
|
fixedGradientFvPatchVectorField(cpf, p, iF, mapper),
|
|
cohesiveLawPtr_(cpf.cohesiveLawPtr_->clone().ptr()),
|
|
relaxationFactor_(cpf.relaxationFactor_),
|
|
traction_(cpf.traction_, mapper)
|
|
{}
|
|
|
|
|
|
cohesiveLawFvPatchVectorField::cohesiveLawFvPatchVectorField
|
|
(
|
|
const cohesiveLawFvPatchVectorField& cpf,
|
|
const DimensionedField<vector, volMesh>& iF
|
|
)
|
|
:
|
|
fixedGradientFvPatchVectorField(cpf, iF),
|
|
cohesiveLawPtr_(cpf.cohesiveLawPtr_->clone().ptr()),
|
|
relaxationFactor_(cpf.relaxationFactor_),
|
|
traction_(cpf.traction_)
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
const cohesiveLaw& cohesiveLawFvPatchVectorField::law() const
|
|
{
|
|
if (!cohesiveLawPtr_)
|
|
{
|
|
FatalErrorIn
|
|
(
|
|
"const cohesiveLaw& cohesiveLawFvPatchVectorField::law() const"
|
|
) << "Law pointer not set" << abort(FatalError);
|
|
}
|
|
|
|
return *cohesiveLawPtr_;
|
|
}
|
|
|
|
|
|
void cohesiveLawFvPatchVectorField::autoMap
|
|
(
|
|
const fvPatchFieldMapper& m
|
|
)
|
|
{
|
|
if (cohesiveLawPtr_ == NULL)
|
|
{
|
|
FatalErrorIn("cohesiveFvPatchVectorField::autoMap")
|
|
<< "NULL cohesive law"
|
|
<< abort(FatalError);
|
|
}
|
|
|
|
fixedGradientFvPatchVectorField::autoMap(m);
|
|
|
|
traction_.autoMap(m);
|
|
}
|
|
|
|
|
|
// Reverse-map the given fvPatchField onto this fvPatchField
|
|
void cohesiveLawFvPatchVectorField::rmap
|
|
(
|
|
const fvPatchVectorField& ptf,
|
|
const labelList& addr
|
|
)
|
|
{
|
|
fixedGradientFvPatchVectorField::rmap(ptf, addr);
|
|
|
|
const cohesiveLawFvPatchVectorField& dmptf =
|
|
refCast<const cohesiveLawFvPatchVectorField>(ptf);
|
|
|
|
// No need to grab the cohesive zone pointer more than once
|
|
if (!cohesiveLawPtr_)
|
|
{
|
|
cohesiveLawPtr_ = dmptf.cohesiveLawPtr_->clone().ptr();
|
|
|
|
relaxationFactor_ = dmptf.relaxationFactor_;
|
|
}
|
|
|
|
traction_.rmap(dmptf.traction_, addr);
|
|
}
|
|
|
|
|
|
// Update the coefficients associated with the patch field
|
|
void cohesiveLawFvPatchVectorField::updateCoeffs()
|
|
{
|
|
if (updated())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Looking up rheology
|
|
|
|
const fvPatchField<scalar>& mu =
|
|
patch().lookupPatchField<volScalarField, scalar>("mu");
|
|
|
|
const fvPatchField<scalar>& lambda =
|
|
patch().lookupPatchField<volScalarField, scalar>("lambda");
|
|
|
|
vectorField n = patch().nf();
|
|
|
|
const fvPatchField<tensor>& gradU =
|
|
patch().lookupPatchField<volTensorField, tensor>("grad(U)");
|
|
|
|
// Patch displacement
|
|
const vectorField& U = *this;
|
|
|
|
// Patch stress
|
|
tensorField sigma = mu*(gradU + gradU.T()) + I*(lambda*tr(gradU));
|
|
|
|
// Normal stress component
|
|
scalarField sigmaN = (n & (n & sigma));
|
|
|
|
scalarField delta = -(n & U);
|
|
|
|
label sizeByTwo = patch().size()/2;
|
|
|
|
for(label i = 0; i < sizeByTwo; i++)
|
|
{
|
|
scalar tmp = delta[i];
|
|
delta[i] += delta[sizeByTwo + i];
|
|
delta[sizeByTwo + i] += tmp;
|
|
}
|
|
|
|
forAll (traction_, faceI)
|
|
{
|
|
if (delta[faceI] < 0)
|
|
{
|
|
// Return from traction to symmetryPlane??
|
|
traction_[faceI] = law().sigmaMax().value()*n[faceI];
|
|
}
|
|
else if(delta[faceI] > law().deltaC().value())
|
|
{
|
|
// Traction free
|
|
traction_[faceI] = vector::zero;
|
|
}
|
|
else
|
|
{
|
|
// Calculate cohesive traction from cohesive zone model
|
|
traction_[faceI] = law().traction(delta[faceI])*n[faceI];
|
|
}
|
|
}
|
|
|
|
gradient() =
|
|
(
|
|
traction_
|
|
- (n & (mu*gradU.T() - (mu + lambda)*gradU))
|
|
- n*lambda*tr(gradU)
|
|
)/(2.0*mu + lambda);
|
|
|
|
fixedGradientFvPatchVectorField::updateCoeffs();
|
|
}
|
|
|
|
|
|
// Write
|
|
void cohesiveLawFvPatchVectorField::write(Ostream& os) const
|
|
{
|
|
fvPatchVectorField::write(os);
|
|
traction_.writeEntry("traction", os);
|
|
os.writeKeyword("cohesiveLaw") << law().type()
|
|
<< token::END_STATEMENT << nl;
|
|
os.writeKeyword("relaxationFactor") << relaxationFactor_
|
|
<< token::END_STATEMENT << nl;
|
|
law().writeDict(os);
|
|
writeEntry("value", os);
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
makePatchTypeField(fvPatchVectorField, cohesiveLawFvPatchVectorField);
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// ************************************************************************* //
|