geomechanics/fvproblem.hh

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#ifndef DUMUX_GEOMECHANICS_FV_PROBLEM_HH
#define DUMUX_GEOMECHANICS_FV_PROBLEM_HH
 
#include <dumux/common/typetraits/isvalid.hh>
#include <dumux/porousmediumflow/problem.hh>
 
namespace Dumux {
 
#ifndef DOXYGEN
namespace Detail {
// helper struct detecting if the user-defined problem class has an effectiveFluidDensityAtPos function
// for g++ > 5.3, this can be replaced by a lambda
template<class GlobalPosition>
struct hasEffFluidDensityAtPos
{
    template<class Problem>
    auto operator()(const Problem& a)
    -> decltype(a.effectiveFluidDensityAtPos(std::declval<GlobalPosition>()))
    {}
};
 
// helper struct detecting if the user-defined problem class has an effectivePorePressureAtPos function
// for g++ > 5.3, this can be replaced by a lambda
template<class GlobalPosition>
struct hasEffPorePressureAtPos
{
    template<class Problem>
    auto operator()(const Problem& a)
    -> decltype(a.effectivePorePressureAtPos(std::declval<GlobalPosition>()))
    {}
};
 
} // end namespace Detail
#endif
 
 
template<class TypeTag>
class GeomechanicsFVProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    static constexpr int numFP = GetPropType<TypeTag, Properties::ModelTraits>::numFluidPhases();
 
public:
    using ParentType::ParentType;
 
    template< int n = numFP, std::enable_if_t<(n > 0), int> = 0 >
    Scalar effectiveFluidDensity(const Element& element,
                                 const SubControlVolume& scv) const
    {
        static_assert(decltype(isValid(Detail::hasEffFluidDensityAtPos<GlobalPosition>())(this->asImp_()))::value," \n\n"
        "   Your problem class has to either implement\n\n"
        "         Scalar effectiveFluidDensityAtPos(const GlobalPosition& globalPos) const\n\n"
        "   or overload this function\n\n"
        "         template<class ElementSolution>\n"
        "         Scalar effectiveFluidDensity(const Element& element,\n\
                                               const SubControlVolume& scv) const\n\n");
 
        return this->asImp_().effectiveFluidDensityAtPos(scv.center());
    }
 
    template< class ElemVolVars, class FluxVarsCache, int n = numFP, std::enable_if_t<(n > 0), int> = 0 >
    Scalar effectivePorePressure(const Element& element,
                                 const FVElementGeometry& fvGeometry,
                                 const ElemVolVars& elemVolVars,
                                 const FluxVarsCache& fluxVarsCache) const
    {
        static_assert(decltype(isValid(Detail::hasEffPorePressureAtPos<GlobalPosition>())(this->asImp_()))::value," \n\n"
        "   Your problem class has to either implement\n\n"
        "         Scalar effectivePorePressureAtPos(const GlobalPosition& globalPos) const\n\n"
        "   or overload this function\n\n"
        "         template<class ElementSolution>\n"
        "         Scalar effectivePorePressure(const Element& element,\n"
        "                                      const FVElementGeometry& fvGeometry,\n"
        "                                      const ElemVolVars& elemVolVars,\n"
        "                                      const FluxVarsCache& fluxVarsCache) const\n\n");
 
        return this->asImp_().effectivePorePressureAtPos(element.geometry().center());
    }
};
 
} // end namespace Dumux
 
#endif