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8e0e9e9d31
"intensive" means that the value of these quantities at a given spatial location does not depend on any value of the neighboring intensive quantities. In contrast, "extensive" quantities depend in the intensive quantities of the environment of the spatial location. this change is necessary is because the previous nomenclature was very specific to finite volume discretizations, but the models themselves were already rather generic. (i.e., "volume variables" are the intensive quantities of finite volume methods and "flux variables" are the extensive ones.)
317 lines
9.5 KiB
C++
317 lines
9.5 KiB
C++
/*
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Copyright (C) 2008-2013 by Andreas Lauser
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*!
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* \file
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* \copydoc Ewoms::OutflowProblem
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*/
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#ifndef EWOMS_OUTFLOW_PROBLEM_HH
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#define EWOMS_OUTFLOW_PROBLEM_HH
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#include <ewoms/models/pvs/pvsproperties.hh>
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#include <opm/material/fluidstates/CompositionalFluidState.hpp>
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#include <opm/material/fluidsystems/H2ON2LiquidPhaseFluidSystem.hpp>
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#include <dune/grid/io/file/dgfparser/dgfyasp.hh>
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#include <dune/common/version.hh>
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#include <dune/common/fvector.hh>
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#include <dune/common/fmatrix.hh>
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namespace Ewoms {
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template <class TypeTag>
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class OutflowProblem;
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}
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namespace Opm {
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namespace Properties {
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NEW_TYPE_TAG(OutflowBaseProblem);
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// Set the grid type
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SET_TYPE_PROP(OutflowBaseProblem, Grid, Dune::YaspGrid<2>);
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// Set the problem property
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SET_TYPE_PROP(OutflowBaseProblem, Problem, Ewoms::OutflowProblem<TypeTag>);
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// Set fluid system
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SET_PROP(OutflowBaseProblem, FluidSystem)
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{
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private:
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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public:
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// Two-component single phase fluid system
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typedef Opm::FluidSystems::H2ON2LiquidPhase<Scalar> type;
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};
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// Disable gravity
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SET_BOOL_PROP(OutflowBaseProblem, EnableGravity, false);
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// Also write mass fractions to the output
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SET_BOOL_PROP(OutflowBaseProblem, VtkWriteMassFractions, true);
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// The default for the end time of the simulation
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SET_SCALAR_PROP(OutflowBaseProblem, EndTime, 100);
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// The default for the initial time step size of the simulation
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SET_SCALAR_PROP(OutflowBaseProblem, InitialTimeStepSize, 1);
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// The default DGF file to load
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SET_STRING_PROP(OutflowBaseProblem, GridFile, "./data/outflow.dgf");
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} // namespace Properties
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} // namespace Opm
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namespace Ewoms {
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/*!
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* \ingroup VcfvTestProblems
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*
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* \brief Problem where dissolved nitrogen is transported with the water
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* phase from the left side to the right.
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*
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* The model domain is 1m times 1m and exhibits homogeneous soil
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* properties (\f$ \mathrm{K=10e-10, \Phi=0.4}\f$). Initially the
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* domain is fully saturated by water without any nitrogen dissolved.
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*
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* At the left side, a free-flow condition defines a nitrogen mole
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* fraction of 0.02%. The water phase flows from the left side to the
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* right due to the imposed pressure gradient of \f$1e5\,Pa/m\f$. The
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* nitrogen is transported with the water flow and leaves the domain
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* at the right boundary where an outflow boundary condition is
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* used.
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*/
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template <class TypeTag>
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class OutflowProblem : public GET_PROP_TYPE(TypeTag, BaseProblem)
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{
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typedef typename GET_PROP_TYPE(TypeTag, BaseProblem) ParentType;
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typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef typename GET_PROP_TYPE(TypeTag, PrimaryVariables) PrimaryVariables;
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typedef typename GET_PROP_TYPE(TypeTag, RateVector) RateVector;
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typedef typename GET_PROP_TYPE(TypeTag, BoundaryRateVector) BoundaryRateVector;
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typedef typename GET_PROP_TYPE(TypeTag, Simulator) Simulator;
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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typedef typename GET_PROP_TYPE(TypeTag, MaterialLawParams) MaterialLawParams;
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typedef typename GET_PROP_TYPE(TypeTag, Model) Model;
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// copy some indices for convenience
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enum {
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// Grid and world dimension
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dim = GridView::dimension,
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dimWorld = GridView::dimensionworld,
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// component indices
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H2OIdx = FluidSystem::H2OIdx,
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N2Idx = FluidSystem::N2Idx
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};
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typedef typename GridView::ctype CoordScalar;
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typedef Dune::FieldVector<CoordScalar, dimWorld> GlobalPosition;
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typedef Dune::FieldMatrix<Scalar, dimWorld, dimWorld> DimMatrix;
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public:
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/*!
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* \copydoc Doxygen::defaultProblemConstructor
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*/
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OutflowProblem(Simulator &simulator)
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: ParentType(simulator)
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, eps_(1e-6)
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{
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temperature_ = 273.15 + 20;
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FluidSystem::init(/*minT=*/temperature_ - 1, /*maxT=*/temperature_ + 2,
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/*numT=*/3,
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/*minp=*/0.8e5, /*maxp=*/2.5e5, /*nump=*/500);
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// set parameters of porous medium
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perm_ = this->toDimMatrix_(1e-10);
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porosity_ = 0.4;
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tortuosity_ = 0.28;
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}
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/*!
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* \name Problem parameters
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*/
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//! \{
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/*!
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* \copydoc VcfvProblem::name
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*/
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std::string name() const
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{ return "outflow"; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::temperature
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*
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* This problem assumes a temperature.
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*/
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template <class Context>
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Scalar temperature(const Context &context, int spaceIdx, int timeIdx) const
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{ return temperature_; } // in [K]
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/*!
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* \copydoc FvBaseMultiPhaseProblem::intrinsicPermeability
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*
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* This problem uses a constant intrinsic permeability.
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*/
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template <class Context>
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const DimMatrix &intrinsicPermeability(const Context &context, int spaceIdx,
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int timeIdx) const
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{ return perm_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::porosity
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*
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* This problem uses a constant porosity.
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*/
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template <class Context>
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Scalar porosity(const Context &context, int spaceIdx, int timeIdx) const
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{ return porosity_; }
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#if 0
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/*!
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* \brief Define the tortuosity \f$[?]\f$.
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*
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*/
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template <class Context>
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Scalar tortuosity(const Context &context, int spaceIdx, int timeIdx) const
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{ return tortuosity_; }
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/*!
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* \brief Define the dispersivity \f$[?]\f$.
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*
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*/
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template <class Context>
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Scalar dispersivity(const Context &context,
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int spaceIdx, int timeIdx) const
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{ return 0; }
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#endif
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//! \}
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/*!
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* \name Boundary conditions
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*/
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//! \{
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/*!
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* \copydoc VcfvProblem::boundary
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*/
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template <class Context>
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void boundary(BoundaryRateVector &values, const Context &context,
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int spaceIdx, int timeIdx) const
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{
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const GlobalPosition &globalPos = context.pos(spaceIdx, timeIdx);
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if (onLeftBoundary_(globalPos)) {
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Opm::CompositionalFluidState<Scalar, FluidSystem,
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/*storeEnthalpy=*/false> fs;
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initialFluidState_(fs, context, spaceIdx, timeIdx);
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fs.setPressure(/*phaseIdx=*/0, fs.pressure(/*phaseIdx=*/0) + 1e5);
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Scalar xlN2 = 2e-4;
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fs.setMoleFraction(/*phaseIdx=*/0, N2Idx, xlN2);
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fs.setMoleFraction(/*phaseIdx=*/0, H2OIdx, 1 - xlN2);
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// impose an freeflow boundary condition
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values.setFreeFlow(context, spaceIdx, timeIdx, fs);
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}
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else if (onRightBoundary_(globalPos)) {
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Opm::CompositionalFluidState<Scalar, FluidSystem,
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/*storeEnthalpy=*/false> fs;
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initialFluidState_(fs, context, spaceIdx, timeIdx);
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// impose an outflow boundary condition
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values.setOutFlow(context, spaceIdx, timeIdx, fs);
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}
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else
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// no flow on top and bottom
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values.setNoFlow();
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}
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//! \}
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/*!
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* \name Volumetric terms
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*/
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//! \{
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/*!
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* \copydoc VcfvProblem::initial
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*/
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template <class Context>
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void initial(PrimaryVariables &values, const Context &context, int spaceIdx,
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int timeIdx) const
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{
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Opm::CompositionalFluidState<Scalar, FluidSystem, /*storeEnthalpy=*/false> fs;
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initialFluidState_(fs, context, spaceIdx, timeIdx);
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values.assignNaive(fs);
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}
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/*!
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* \copydoc VcfvProblem::source
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*
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* For this problem, the source term of all components is 0
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* everywhere.
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*/
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template <class Context>
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void source(RateVector &rate, const Context &context, int spaceIdx,
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int timeIdx) const
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{ rate = Scalar(0.0); }
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//! \}
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private:
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bool onLeftBoundary_(const GlobalPosition &pos) const
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{ return pos[0] < eps_; }
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bool onRightBoundary_(const GlobalPosition &pos) const
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{ return pos[0] > this->boundingBoxMax()[0] - eps_; }
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template <class FluidState, class Context>
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void initialFluidState_(FluidState &fs, const Context &context,
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int spaceIdx, int timeIdx) const
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{
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Scalar T = temperature(context, spaceIdx, timeIdx);
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// Scalar rho = FluidSystem::H2O::liquidDensity(T, /*pressure=*/1.5e5);
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// Scalar z = context.pos(spaceIdx, timeIdx)[dim - 1] -
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// this->boundingBoxMax()[dim - 1];
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// Scalar z = context.pos(spaceIdx, timeIdx)[dim - 1] -
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// this->boundingBoxMax()[dim - 1];
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fs.setSaturation(/*phaseIdx=*/0, 1.0);
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fs.setPressure(/*phaseIdx=*/0, 1e5 /* + rho*z */);
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fs.setMoleFraction(/*phaseIdx=*/0, H2OIdx, 1.0);
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fs.setMoleFraction(/*phaseIdx=*/0, N2Idx, 0);
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fs.setTemperature(T);
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}
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const Scalar eps_;
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MaterialLawParams materialParams_;
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DimMatrix perm_;
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Scalar temperature_;
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Scalar porosity_;
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Scalar tortuosity_;
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};
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} // namespace Ewoms
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#endif
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