multidomain/facet/box/localresidual.hh

Go to the documentation of this file.

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
 *   See the file COPYING for full copying permissions.                      *
 *                                                                           *
 *   This program 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 3 of the License, or       *
 *   (at your option) any later version.                                     *
 *                                                                           *
 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.   *
 *****************************************************************************/
#ifndef DUMUX_FACETCOUPLING_BOX_LOCAL_RESIDUAL_HH
#define DUMUX_FACETCOUPLING_BOX_LOCAL_RESIDUAL_HH
 
#include <dune/geometry/type.hh>
 
#include <dumux/common/deprecated.hh>
#include <dumux/common/properties.hh>
#include <dumux/assembly/fvlocalresidual.hh>
 
namespace Dumux {
 
template<class TypeTag>
class BoxFacetCouplingLocalResidual : public FVLocalResidual<TypeTag>
{
    using ParentType = FVLocalResidual<TypeTag>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using ElementBoundaryTypes = GetPropType<TypeTag, Properties::ElementBoundaryTypes>;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using ElementVolumeVariables = typename GetPropType<TypeTag, Properties::GridVolumeVariables>::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using ElementFluxVariablesCache = typename GetPropType<TypeTag, Properties::GridFluxVariablesCache>::LocalView;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
 
public:
    using ElementResidualVector = typename ParentType::ElementResidualVector;
    using ParentType::ParentType;
 
    void evalFlux(ElementResidualVector& residual,
                  const Problem& problem,
                  const Element& element,
                  const FVElementGeometry& fvGeometry,
                  const ElementVolumeVariables& elemVolVars,
                  const ElementBoundaryTypes& elemBcTypes,
                  const ElementFluxVariablesCache& elemFluxVarsCache,
                  const SubControlVolumeFace& scvf) const
    {
        const auto flux = evalFlux(problem, element, fvGeometry, elemVolVars, elemBcTypes, elemFluxVarsCache, scvf);
 
        // inner faces
        if (!scvf.boundary() && !scvf.interiorBoundary())
        {
            const auto& insideScv = fvGeometry.scv(scvf.insideScvIdx());
            const auto& outsideScv = fvGeometry.scv(scvf.outsideScvIdx());
            residual[insideScv.localDofIndex()] += flux;
            residual[outsideScv.localDofIndex()] -= flux;
        }
 
        // interior/domain boundary faces
        else
        {
            const auto& insideScv = fvGeometry.scv(scvf.insideScvIdx());
            residual[insideScv.localDofIndex()] += flux;
        }
    }
 
    NumEqVector evalFlux(const Problem& problem,
                         const Element& element,
                         const FVElementGeometry& fvGeometry,
                         const ElementVolumeVariables& elemVolVars,
                         const ElementBoundaryTypes& elemBcTypes,
                         const ElementFluxVariablesCache& elemFluxVarsCache,
                         const SubControlVolumeFace& scvf) const
    {
        NumEqVector flux(0.0);
 
        // inner or interior boundary faces
        if (!scvf.boundary() || scvf.interiorBoundary())
            flux += this->asImp().computeFlux(problem, element, fvGeometry, elemVolVars, scvf, elemFluxVarsCache);
 
        // boundary faces
        else
        {
            const auto& scv = fvGeometry.scv(scvf.insideScvIdx());
            const auto& bcTypes = elemBcTypes[scv.localDofIndex()];
 
            // Neumann and Robin ("solution dependent Neumann") boundary conditions
            if (bcTypes.hasNeumann() && !bcTypes.hasDirichlet())
            {
                auto neumannFluxes = Deprecated::neumann(problem, element, fvGeometry, elemVolVars, elemFluxVarsCache, scvf);
 
                // multiply neumann fluxes with the area and the extrusion factor
                neumannFluxes *= scvf.area()*elemVolVars[scv].extrusionFactor();
 
                flux += neumannFluxes;
            }
 
            // for Dirichlet there is no addition to the residual here but they
            // are enforced strongly by replacing the residual entry afterwards
            else if (bcTypes.hasDirichlet() && !bcTypes.hasNeumann())
                return flux;
            else
                DUNE_THROW(Dune::NotImplemented, "Mixed boundary conditions. Use pure boundary conditions by converting Dirichlet BCs to Robin BCs");
        }
 
        return flux;
    }
};
 
} // end namespace Dumux
 
#endif