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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
This file is part of the Open Porous Media project (OPM).
OPM 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 2 of the License, or
(at your option) any later version.
OPM 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 OPM. If not, see <http://www.gnu.org/licenses/>.
Consult the COPYING file in the top-level source directory of this
module for the precise wording of the license and the list of
copyright holders.
*/
/*!
* \file
*
* \copydoc Opm::FvBaseDiscretization
*/
#ifndef EWOMS_FV_BASE_DISCRETIZATION_FEMADAPT_HH
#define EWOMS_FV_BASE_DISCRETIZATION_FEMADAPT_HH
#include <opm/models/discretization/common/fvbasediscretization.hh>
#include <dune/fem/space/common/adaptationmanager.hh>
#include <dune/fem/space/common/restrictprolongtuple.hh>
#include <dune/fem/function/blockvectorfunction.hh>
#include <dune/fem/misc/capabilities.hh>
namespace Opm {
template<class TypeTag>
class FvBaseDiscretizationFemAdapt;
namespace Properties {
template<class TypeTag>
struct BaseDiscretizationType<TypeTag,TTag::FvBaseDiscretization> {
using type = FvBaseDiscretizationFemAdapt<TypeTag>;
};
template<class TypeTag>
struct DiscreteFunction<TypeTag, TTag::FvBaseDiscretization> {
using DiscreteFunctionSpace = GetPropType<TypeTag, Properties::DiscreteFunctionSpace>;
using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
using type = Dune::Fem::ISTLBlockVectorDiscreteFunction<DiscreteFunctionSpace, PrimaryVariables>;
};
} // namespace Properties
/*!
* \ingroup FiniteVolumeDiscretizations
*
* \brief The base class for the finite volume discretization schemes.
*/
template <class TypeTag>
class FvBaseDiscretizationFemAdapt : public FvBaseDiscretization<TypeTag>
{
using Grid = GetPropType<TypeTag, Properties::Grid>;
using ParentType = FvBaseDiscretization<TypeTag>;
using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
using Problem = GetPropType<TypeTag, Properties::Problem>;
using Simulator = GetPropType<TypeTag, Properties::Simulator>;
static constexpr unsigned historySize = getPropValue<TypeTag, Properties::TimeDiscHistorySize>();
using DiscreteFunctionSpace = GetPropType<TypeTag, Properties::DiscreteFunctionSpace>;
// discrete function storing solution data
using DiscreteFunction = Dune::Fem::ISTLBlockVectorDiscreteFunction<DiscreteFunctionSpace, PrimaryVariables>;
// problem restriction and prolongation operator for adaptation
using ProblemRestrictProlongOperator = typename Problem::RestrictProlongOperator;
// discrete function restriction and prolongation operator for adaptation
using DiscreteFunctionRestrictProlong = Dune::Fem::RestrictProlongDefault<DiscreteFunction>;
using RestrictProlong
= Dune::Fem::RestrictProlongTuple<DiscreteFunctionRestrictProlong, ProblemRestrictProlongOperator>;
// adaptation classes
using AdaptationManager = Dune::Fem::AdaptationManager<Grid, RestrictProlong>;
public:
template<class Serializer>
struct SerializeHelper {
template<class SolutionType>
static void serializeOp(Serializer& serializer,
SolutionType& solution)
{
for (auto& sol : solution) {
serializer(sol->blockVector());
}
}
};
FvBaseDiscretizationFemAdapt(Simulator& simulator)
: ParentType(simulator)
, space_(simulator.vanguard().gridPart())
{
if (this->enableGridAdaptation_ && !Dune::Fem::Capabilities::isLocallyAdaptive<Grid>::v) {
throw std::invalid_argument("Grid adaptation enabled, but chosen Grid is not capable"
" of adaptivity");
}
for (unsigned timeIdx = 0; timeIdx < historySize; ++timeIdx) {
this->solution_[timeIdx] = std::make_unique<DiscreteFunction>("solution", space_);
}
}
void adaptGrid()
{
// adapt the grid if enabled and if all dependencies are available
// adaptation is only done if markForGridAdaptation returns true
if (this->enableGridAdaptation_) {
// check if problem allows for adaptation and cells were marked
if (this->simulator_.problem().markForGridAdaptation()) {
// adapt the grid and load balance if necessary
adaptationManager().adapt();
// if the grid has potentially changed, we need to re-create the
// supporting data structures.
this->elementMapper_.update(this->gridView_);
this->vertexMapper_.update(this->gridView_);
this->resetLinearizer();
// this is a bit hacky because it supposes that Problem::finishInit()
// works fine multiple times in a row.
//
// TODO: move this to Problem::gridChanged()
this->finishInit();
// notify the problem that the grid has changed
//
// TODO: come up with a mechanism to access the unadapted data structures
// outside of the problem (i.e., grid, mappers, solutions)
this->simulator_.problem().gridChanged();
// notify the modules for visualization output
auto outIt = this->outputModules_.begin();
auto outEndIt = this->outputModules_.end();
for (; outIt != outEndIt; ++outIt)
(*outIt)->allocBuffers();
}
}
}
AdaptationManager& adaptationManager()
{
if (!adaptationManager_) {
// create adaptation objects here, because when doing so in constructor
// problem is not yet intialized, aka seg fault
restrictProlong_ = std::make_unique<RestrictProlong>(DiscreteFunctionRestrictProlong(*(this->solution_[/*timeIdx=*/0])),
this->simulator_.problem().restrictProlongOperator());
adaptationManager_ = std::make_unique<AdaptationManager>(this->simulator_.vanguard().grid(), *restrictProlong_);
}
return *adaptationManager_;
}
private:
DiscreteFunctionSpace space_;
std::unique_ptr<RestrictProlong> restrictProlong_;
std::unique_ptr<AdaptationManager> adaptationManager_;
};
} // namespace Opm
#endif
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