Michalak-Gooch gradient limiter
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::fv::michalakGoochGrad
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Description
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Michalak-Gooch gradient limiter applied to a runTime selected
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base gradient scheme.
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SourceFiles
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michalakGoochGrad.C
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\*---------------------------------------------------------------------------*/
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#ifndef michalakGoochGrad_H
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#define michalakGoochGrad_H
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#include "gradScheme.H"
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#include "LimitedGrad.H"
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#include "MichalakGoochLimiter.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace fv
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{
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/*---------------------------------------------------------------------------*\
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Class michalakGoochGrad Declaration
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\*---------------------------------------------------------------------------*/
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template<class Type>
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class michalakGoochGrad
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:
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public fv::gradScheme<Type>,
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public LimitedGrad<Type, MichalakGoochLimiter>
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{
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// Private Member Functions
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//- Disallow default bitwise copy construct
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michalakGoochGrad(const michalakGoochGrad&);
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//- Disallow default bitwise assignment
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void operator=(const michalakGoochGrad&);
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public:
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//- RunTime type information
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TypeName("michalakGooch");
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// Constructors
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//- Construct from mesh and schemeData
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michalakGoochGrad(const fvMesh& mesh, Istream& schemeData)
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:
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gradScheme<Type>(mesh),
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LimitedGrad<Type, MichalakGoochLimiter>(mesh, schemeData)
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{}
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// Member Functions
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//- Return the gradient of the given field to the gradScheme::grad
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// for optional caching
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virtual tmp
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<
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GeometricField
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<typename outerProduct<vector, Type>::type, fvPatchField, volMesh>
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> calcGrad
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(
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const GeometricField<Type, fvPatchField, volMesh>& vf,
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const word& name
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) const
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{
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return LimitedGrad<Type, MichalakGoochLimiter>::gradientField
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(
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vf,
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name
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);
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}
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//- Return the BlockLduSystem corresponding to the implicit cell
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// limited grad discretization. For block coupled systems.
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virtual tmp
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<
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BlockLduSystem<vector, typename outerProduct<vector, Type>::type>
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> fvmGrad
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(
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const GeometricField<Type, fvPatchField, volMesh>& vf
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) const
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{
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return LimitedGrad<Type, MichalakGoochLimiter>::gradientMatrix
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(
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vf
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);
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace fv
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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@ -0,0 +1,89 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "michalakGoochGrad.H"
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#include "fvMesh.H"
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#include "volMesh.H"
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#include "surfaceMesh.H"
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#include "volFields.H"
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#include "fixedValueFvPatchFields.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace fv
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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makeFvGradScheme(michalakGoochGrad)
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<>
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tmp
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<
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BlockLduSystem<vector, outerProduct<vector, vector>::type>
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>
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michalakGoochGrad<vector>::fvmGrad
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(
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const volVectorField& vf
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) const
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{
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FatalErrorIn
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(
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"tmp<BlockLduSystem> michalakGoochGrad<vector>::fvmGrad\n"
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"(\n"
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" GeometricField<vector, fvPatchField, volMesh>&"
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")\n"
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) << "Implicit gradient operators with cell limiters defined only for "
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<< "scalar."
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<< abort(FatalError);
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typedef outerProduct<vector, vector>::type GradType;
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tmp<BlockLduSystem<vector, GradType> > tbs
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(
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new BlockLduSystem<vector, GradType>(vf.mesh())
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);
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return tbs;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace fv
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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@ -0,0 +1,145 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Class
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MichalakGoochLimiter
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Description
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Michalak-Gooch limiter, AIAA-2009-954
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Author
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Hrvoje Jasak
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\*---------------------------------------------------------------------------*/
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#ifndef MichalakGoochLimiter_H
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#define MichalakGoochLimiter_H
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class MichalakGoochLimiter Declaration
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\*---------------------------------------------------------------------------*/
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class MichalakGoochLimiter
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{
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// Private data
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//- Coefficient
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const scalar k_;
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public:
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// Constructors
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//- Construct null
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MichalakGoochLimiter()
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:
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k_(1.5)
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{}
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// Destructor - default
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// Member functions
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//- Set scalar limiter value
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inline void limiter
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(
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scalar& lim,
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const scalar& cellVolume,
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const scalar& deltaOneMax,
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const scalar& deltaOneMin,
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const scalar& extrapolate
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)
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{
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// If there is no span or extrapolation, do not limit. Note that
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// deltaOneMax and deltaOneMin are bound by zero and min is
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// negative
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if
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(
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deltaOneMax - deltaOneMin < SMALL
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|| mag(extrapolate) < SMALL
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)
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{
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return;
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}
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scalar y;
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if (extrapolate > 0)
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{
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y = deltaOneMax/extrapolate;
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}
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else
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{
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y = deltaOneMin/extrapolate;
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}
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if (y < k_)
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{
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const scalar C2 = (3 - 2*k_)/sqr(k_);
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const scalar C3 = -1/(3*sqr(k_)) - 2/(3*k_)*C2;
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lim = min(lim, y + C2*sqr(y) + C3*pow3(y));
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}
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}
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//- Set Type limiter
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template<class Type>
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inline void limiter
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(
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Type& lim,
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const scalar& cellVolume,
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const Type& deltaOneMax,
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const Type& deltaOneMin,
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const Type& extrapolate
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)
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{
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for (direction cmpt = 0; cmpt < Type::nComponents; cmpt++)
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{
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limiter
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(
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lim.component(cmpt),
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cellVolume,
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deltaOneMax.component(cmpt),
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deltaOneMin.component(cmpt),
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extrapolate.component(cmpt)
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);
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}
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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#endif
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// ************************************************************************* //
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