porousmediumflow/velocityoutput.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_POROUSMEDIUMFLOW_VELOCITYOUTPUT_HH
#define DUMUX_POROUSMEDIUMFLOW_VELOCITYOUTPUT_HH
 
#include <memory>
#include <dune/common/float_cmp.hh>
 
#include <dumux/common/parameters.hh>
#include <dumux/io/velocityoutput.hh>
#include <dumux/discretization/method.hh>
#include <dumux/discretization/elementsolution.hh>
#include <dumux/porousmediumflow/velocity.hh>
 
namespace Dumux {
 
template<class GridVariables, class FluxVariables>
class PorousMediumFlowVelocityOutput : public VelocityOutput<GridVariables>
{
    using ParentType = VelocityOutput<GridVariables>;
    using GridGeometry = typename GridVariables::GridGeometry;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using GridView = typename GridGeometry::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using GridVolumeVariables = typename GridVariables::GridVolumeVariables;
    using ElementFluxVarsCache = typename GridVariables::GridFluxVariablesCache::LocalView;
    using VolumeVariables = typename GridVariables::VolumeVariables;
    using ElementVolumeVariables = typename GridVolumeVariables::LocalView;
    using FluidSystem = typename VolumeVariables::FluidSystem;
 
    using VelocityBackend = PorousMediumFlowVelocity<GridVariables, FluxVariables>;
 
public:
    using VelocityVector = typename ParentType::VelocityVector;
 
    PorousMediumFlowVelocityOutput(const GridVariables& gridVariables)
    {
        // check, if velocity output can be used (works only for cubes so far)
        enableOutput_ = getParamFromGroup<bool>(gridVariables.curGridVolVars().problem().paramGroup(), "Vtk.AddVelocity");
        if (enableOutput_)
            velocityBackend = std::make_unique<VelocityBackend>(gridVariables);
    }
 
    bool enableOutput() const override { return enableOutput_; }
 
    std::string phaseName(int phaseIdx) const override { return FluidSystem::phaseName(phaseIdx); }
 
    int numFluidPhases() const override { return VolumeVariables::numFluidPhases(); }
 
    void calculateVelocity(VelocityVector& velocity,
                           const Element& element,
                           const FVElementGeometry& fvGeometry,
                           const ElementVolumeVariables& elemVolVars,
                           const ElementFluxVarsCache& elemFluxVarsCache,
                           int phaseIdx) const override
    {
        if (enableOutput_)
            velocityBackend->calculateVelocity(velocity, element, fvGeometry, elemVolVars, elemFluxVarsCache, phaseIdx);
    }
 
private:
    bool enableOutput_;
    std::unique_ptr<VelocityBackend> velocityBackend;
};
 
} // end namespace Dumux
 
#endif