freeflow/rans/oneeq/staggered/localresidual.hh

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#ifndef DUMUX_STAGGERED_ONEEQ_LOCAL_RESIDUAL_HH
#define DUMUX_STAGGERED_ONEEQ_LOCAL_RESIDUAL_HH
 
#include <dune/common/hybridutilities.hh>
#include <dumux/common/properties.hh>
#include <dumux/discretization/method.hh>
#include <dumux/freeflow/navierstokes/localresidual.hh>
 
namespace Dumux {
 
// forward declaration
template<class TypeTag, class BaseLocalResidual, class DiscretizationMethod>
class OneEqResidualImpl;
 
template<class TypeTag, class BaseLocalResidual>
class OneEqResidualImpl<TypeTag, BaseLocalResidual, DiscretizationMethods::Staggered>
: public BaseLocalResidual
{
    using ParentType = BaseLocalResidual;
 
    using GridVariables = GetPropType<TypeTag, Properties::GridVariables>;
 
    using GridVolumeVariables = typename GridVariables::GridVolumeVariables;
    using ElementVolumeVariables = typename GridVolumeVariables::LocalView;
    using VolumeVariables = typename GridVolumeVariables::VolumeVariables;
 
    using GridFluxVariablesCache = typename GridVariables::GridFluxVariablesCache;
    using ElementFluxVariablesCache = typename GridFluxVariablesCache::LocalView;
    using FluxVariables = GetPropType<TypeTag, Properties::FluxVariables>;
 
    using GridFaceVariables = typename GridVariables::GridFaceVariables;
    using ElementFaceVariables = typename GridFaceVariables::LocalView;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using GridView = typename GetPropType<TypeTag, Properties::GridGeometry>::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using CellCenterPrimaryVariables = GetPropType<TypeTag, Properties::CellCenterPrimaryVariables>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
 
    static constexpr int viscosityTildeEqIdx = Indices::viscosityTildeEqIdx - ModelTraits::dim();
 
public:
    using ParentType::ParentType;
 
    CellCenterPrimaryVariables computeStorageForCellCenter(const Problem& problem,
                                                           const SubControlVolume& scv,
                                                           const VolumeVariables& volVars) const
    {
        CellCenterPrimaryVariables storage = ParentType::computeStorageForCellCenter(problem, scv, volVars);
        storage[viscosityTildeEqIdx] = volVars.viscosityTilde() * volVars.density();
        return storage;
    }
 
    CellCenterPrimaryVariables computeSourceForCellCenter(const Problem& problem,
                                                          const Element &element,
                                                          const FVElementGeometry& fvGeometry,
                                                          const ElementVolumeVariables& elemVolVars,
                                                          const ElementFaceVariables& elemFaceVars,
                                                          const SubControlVolume &scv) const
    {
        CellCenterPrimaryVariables source = ParentType::computeSourceForCellCenter(problem, element, fvGeometry,
                                                                                   elemVolVars, elemFaceVars, scv);
 
        const auto& volVars = elemVolVars[scv];
 
        source[viscosityTildeEqIdx] += volVars.cb1() * (1.0 - volVars.ft2())
                                       * volVars.stressTensorScalarProductTilde()
                                       * volVars.viscosityTilde() * volVars.density();
 
        source[viscosityTildeEqIdx] -= (volVars.cw1() * volVars.fW()
                                        - volVars.cb1() * volVars.ft2() / problem.karmanConstant() / problem.karmanConstant())
                                       * volVars.viscosityTilde() * volVars.viscosityTilde()
                                       / volVars.wallDistance() / volVars.wallDistance() * volVars.density();;
 
        for (unsigned int axisIdx = 0; axisIdx < ModelTraits::dim(); ++axisIdx)
        {
            source[viscosityTildeEqIdx] += volVars.cb2() / volVars.sigma()
                                           * volVars.storedViscosityTildeGradient()[axisIdx]
                                           * volVars.storedViscosityTildeGradient()[axisIdx]
                                           * volVars.density();
        }
 
        return source;
    }
};
} // end namespace Dumux
 
#endif