fvelastic.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_GEOMECHANICS_ELASTIC_FV_SPATIAL_PARAMS_HH
#define DUMUX_GEOMECHANICS_ELASTIC_FV_SPATIAL_PARAMS_HH
 
#include <memory>
 
#include <dune/common/exceptions.hh>
 
#include <dumux/common/parameters.hh>
#include <dumux/common/typetraits/isvalid.hh>
 
namespace Dumux {
 
#ifndef DOXYGEN
namespace Detail {
// helper struct detecting if the user-defined spatial params class has a lameParamsAtPos function
// for g++ > 5.3, this can be replaced by a lambda
template<class GlobalPosition>
struct hasLameParamsAtPos
{
    template<class SpatialParams>
    auto operator()(const SpatialParams& a)
    -> decltype(a.lameParamsAtPos(std::declval<GlobalPosition>()))
    {}
};
 
} // end namespace Detail
#endif
 
template<class Scalar, class GridGeometry, class Implementation>
class FVSpatialParamsElastic
{
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using GridView = typename GridGeometry::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    enum { dimWorld = GridView::dimensionworld };
 
public:
    FVSpatialParamsElastic(std::shared_ptr<const GridGeometry> gridGeometry)
    : gridGeometry_(gridGeometry)
    , gravity_(0.0)
    {
        const bool enableGravity = getParam<bool>("Problem.EnableGravity");
        if (enableGravity)
            gravity_[dimWorld-1]  = -9.81;
    }
 
    const GlobalPosition& gravity(const GlobalPosition &pos) const
    { return gravity_; }
 
    template<class SolidSystem, class ElementSolution>
    Scalar inertVolumeFraction(const Element& element,
                               const SubControlVolume& scv,
                               const ElementSolution& elemSol,
                               int compIdx) const
    {
        static_assert(SolidSystem::isInert(), "Elastic model can only be used with inert solid systems");
 
        // when there is only one component, the volume fraction must be one
        if (SolidSystem::numInertComponents == 1)
            return 1.0;
 
        // otherwise we require the user to define the solid composition
        return asImp_().template inertVolumeFractionAtPos<SolidSystem>(scv.center(), compIdx);
    }
 
    template<class SolidSystem>
    Scalar inertVolumeFractionAtPos(const GlobalPosition& globalPos, int compIdx) const
    { DUNE_THROW(Dune::InvalidStateException, "The spatial parameters do not provide inertVolumeFractionAtPos() method."); }
 
    template<class ElemVolVars, class FluxVarsCache>
    decltype(auto) lameParams(const Element& element,
                              const FVElementGeometry& fvGeometry,
                              const ElemVolVars& elemVolVars,
                              const FluxVarsCache& fluxVarsCache) const
    {
        static_assert(decltype(isValid(Detail::hasLameParamsAtPos<GlobalPosition>())(this->asImp_()))::value," \n\n"
        "   Your spatial params class has to either implement\n\n"
        "         const LameParams& lameParamsAtPos(const GlobalPosition& globalPos) const\n\n"
        "   or overload this function\n\n"
        "         template<class ElementSolution>\n"
        "         const LameParams& lameParams(const Element& element,\n"
        "                                      const FVElementGeometry& fvGeometry,\n"
        "                                      const ElemVolVars& elemVolVars,\n"
        "                                      const FluxVarsCache& fluxVarsCache) const\n\n");
 
        return asImp_().lameParamsAtPos(fluxVarsCache.ipGlobal());
    }
 
    const GridGeometry& gridGeometry() const
    { return *gridGeometry_; }
 
protected:
    Implementation &asImp_()
    { return *static_cast<Implementation*>(this); }
 
    const Implementation &asImp_() const
    { return *static_cast<const Implementation*>(this); }
 
private:
    std::shared_ptr<const GridGeometry> gridGeometry_;
    GlobalPosition gravity_; 
};
} // end namespace Dumuxs
#endif