mirror of
https://github.com/OPM/opm-simulators.git
synced 2025-02-25 18:55:30 -06:00
a76b64bc56
this also comes with moving responsibilities around and some smaller cleanups for the grid creation. (although grid creation could be possibly done by the simulator now, the GridCreator concept has not been abandoned, yet...)
533 lines
17 KiB
C++
533 lines
17 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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*
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* \copydoc Ewoms::ObstacleProblem
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*/
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#ifndef EWOMS_OBSTACLE_PROBLEM_HH
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#define EWOMS_OBSTACLE_PROBLEM_HH
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#include <ewoms/models/ncp/ncpproperties.hh>
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#include <opm/material/fluidsystems/H2ON2FluidSystem.hpp>
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#include <opm/material/constraintsolvers/ComputeFromReferencePhase.hpp>
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#include <opm/material/fluidstates/CompositionalFluidState.hpp>
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#include <opm/material/fluidmatrixinteractions/RegularizedBrooksCorey.hpp>
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#include <opm/material/fluidmatrixinteractions/EffToAbsLaw.hpp>
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#include <opm/material/fluidmatrixinteractions/LinearMaterial.hpp>
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#include <opm/material/fluidmatrixinteractions/MaterialTraits.hpp>
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#include <opm/material/heatconduction/Somerton.hpp>
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#include <dune/grid/yaspgrid.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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#include <sstream>
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#include <string>
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#include <iostream>
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namespace Ewoms {
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template <class TypeTag>
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class ObstacleProblem;
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}
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namespace Opm {
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namespace Properties {
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NEW_TYPE_TAG(ObstacleBaseProblem);
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// Set the grid type
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SET_TYPE_PROP(ObstacleBaseProblem, Grid, Dune::YaspGrid<2>);
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// Set the problem property
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SET_TYPE_PROP(ObstacleBaseProblem, Problem, Ewoms::ObstacleProblem<TypeTag>);
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// Set fluid configuration
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SET_TYPE_PROP(ObstacleBaseProblem, FluidSystem,
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Opm::FluidSystems::H2ON2<typename GET_PROP_TYPE(TypeTag, Scalar)>);
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// Set the material Law
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SET_PROP(ObstacleBaseProblem, MaterialLaw)
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{
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private:
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// define the material law
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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typedef Opm::TwoPhaseMaterialTraits<Scalar,
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/*wettingPhaseIdx=*/FluidSystem::liquidPhaseIdx,
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/*nonWettingPhaseIdx=*/FluidSystem::gasPhaseIdx>
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MaterialTraits;
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typedef Opm::LinearMaterial<MaterialTraits> EffMaterialLaw;
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public:
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typedef Opm::EffToAbsLaw<EffMaterialLaw> type;
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};
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// Set the heat conduction law
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SET_PROP(ObstacleBaseProblem, HeatConductionLaw)
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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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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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public:
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// define the material law parameterized by absolute saturations
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typedef Opm::Somerton<FluidSystem, Scalar> type;
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};
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// Enable gravity
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SET_BOOL_PROP(ObstacleBaseProblem, EnableGravity, true);
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// The default for the end time of the simulation
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SET_SCALAR_PROP(ObstacleBaseProblem, EndTime, 1e4);
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// The default for the initial time step size of the simulation
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SET_SCALAR_PROP(ObstacleBaseProblem, InitialTimeStepSize, 250);
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// The default DGF file to load
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SET_STRING_PROP(ObstacleBaseProblem, GridFile, "./grids/obstacle_24x16.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 liquid water is first stopped by a
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* low-permeability lens and then seeps though it.
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*
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* Liquid water is injected by using of a free-flow condition on the
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* lower right of the domain. This water level then raises until
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* hydrostatic pressure is reached. On the left of the domain, a
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* rectangular obstacle with \f$10^3\f$ lower permeability than the
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* rest of the domain first stops the for a while until it seeps
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* through it.
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*
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* The domain is sized 60m times 40m and consists of two media, a
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* moderately permeable soil (\f$ K_0=10e-12 m^2\f$) and an obstacle
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* at \f$[10; 20]m \times [0; 35]m \f$ with a lower permeablility of
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* \f$ K_1=K_0/1000\f$.
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*
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* Initially the whole domain is filled by nitrogen, the temperature
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* is \f$20^\circ C\f$ for the whole domain. The gas pressure is
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* initially 1 bar, at the inlet of the liquid water on the right side
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* it is 2 bar.
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*
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* The boundary is no-flow except on the lower 10 meters of the left
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* and the right boundary where a free flow condition is assumed.
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*/
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template <class TypeTag>
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class ObstacleProblem : 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, RateVector) RateVector;
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typedef typename GET_PROP_TYPE(TypeTag, PrimaryVariables) PrimaryVariables;
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typedef typename GET_PROP_TYPE(TypeTag, BoundaryRateVector) BoundaryRateVector;
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typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
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typedef typename GET_PROP_TYPE(TypeTag, MaterialLaw) MaterialLaw;
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typedef typename GET_PROP_TYPE(TypeTag, MaterialLawParams) MaterialLawParams;
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typedef typename GET_PROP_TYPE(TypeTag, HeatConductionLaw) HeatConductionLaw;
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typedef typename HeatConductionLaw::Params HeatConductionLawParams;
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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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numPhases = GET_PROP_VALUE(TypeTag, NumPhases),
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gasPhaseIdx = FluidSystem::gasPhaseIdx,
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liquidPhaseIdx = FluidSystem::liquidPhaseIdx,
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H2OIdx = FluidSystem::H2OIdx,
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N2Idx = FluidSystem::N2Idx
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};
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typedef Dune::FieldVector<typename GridView::ctype, dimWorld> GlobalPosition;
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typedef Dune::FieldVector<Scalar, numPhases> PhaseVector;
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typedef Dune::FieldMatrix<Scalar, dimWorld, dimWorld> DimMatrix;
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typedef typename GET_PROP_TYPE(TypeTag, Simulator) Simulator;
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typedef typename GET_PROP_TYPE(TypeTag, Model) Model;
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public:
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/*!
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* \copydoc Doxygen::defaultProblemConstructor
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*/
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ObstacleProblem(Simulator &simulator)
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: ParentType(simulator)
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{
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eps_ = 1e-6;
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temperature_ = 273.15 + 25; // -> 25°C
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// initialize the tables of the fluid system
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Scalar Tmin = temperature_ - 1.0;
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Scalar Tmax = temperature_ + 1.0;
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int nT = 3;
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Scalar pmin = 1.0e5 * 0.75;
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Scalar pmax = 2.0e5 * 1.25;
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int np = 1000;
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FluidSystem::init(Tmin, Tmax, nT, pmin, pmax, np);
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// intrinsic permeabilities
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coarseK_ = this->toDimMatrix_(1e-12);
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fineK_ = this->toDimMatrix_(1e-15);
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// the porosity
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finePorosity_ = 0.3;
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coarsePorosity_ = 0.3;
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// residual saturations
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fineMaterialParams_.setResidualSaturation(liquidPhaseIdx, 0.0);
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fineMaterialParams_.setResidualSaturation(gasPhaseIdx, 0.0);
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coarseMaterialParams_.setResidualSaturation(liquidPhaseIdx, 0.0);
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coarseMaterialParams_.setResidualSaturation(gasPhaseIdx, 0.0);
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// parameters for the linear law, i.e. minimum and maximum
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// pressures
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fineMaterialParams_.setPcMinSat(liquidPhaseIdx, 0.0);
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fineMaterialParams_.setPcMaxSat(liquidPhaseIdx, 0.0);
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coarseMaterialParams_.setPcMinSat(liquidPhaseIdx, 0.0);
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coarseMaterialParams_.setPcMaxSat(liquidPhaseIdx, 0.0);
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/*
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// entry pressures for Brooks-Corey
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fineMaterialParams_.setEntryPressure(5e3);
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coarseMaterialParams_.setEntryPressure(1e3);
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// Brooks-Corey shape parameters
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fineMaterialParams_.setLambda(2);
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coarseMaterialParams_.setLambda(2);
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*/
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fineMaterialParams_.finalize();
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coarseMaterialParams_.finalize();
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// parameters for the somerton law of heat conduction
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computeHeatCondParams_(fineHeatCondParams_, finePorosity_);
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computeHeatCondParams_(coarseHeatCondParams_, coarsePorosity_);
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initFluidStates_();
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}
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/*!
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* \copydoc VcfvProblem::postTimeStep
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*/
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void postTimeStep()
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{
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// Calculate storage terms of the individual phases
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for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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PrimaryVariables phaseStorage;
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this->model().globalPhaseStorage(phaseStorage, phaseIdx);
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if (this->gridView().comm().rank() == 0) {
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std::cout << "Storage in " << FluidSystem::phaseName(phaseIdx)
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<< "Phase: [" << phaseStorage << "]"
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<< "\n" << std::flush;
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}
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}
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// Calculate total storage terms
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PrimaryVariables storage;
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this->model().globalStorage(storage);
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// Write mass balance information for rank 0
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if (this->gridView().comm().rank() == 0) {
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std::cout << "Storage total: [" << storage << "]"
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<< "\n" << std::flush;
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}
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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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static std::string name()
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{
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std::ostringstream oss;
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oss << "obstacle"
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<< "_" << Model::name();
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return oss.str();
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::temperature
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*
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* This problem simply assumes a constant 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_; }
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/*!
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* \copydoc FvBaseMultiPhaseProblem::intrinsicPermeability
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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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{
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if (isFineMaterial_(context.pos(spaceIdx, timeIdx)))
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return fineK_;
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return coarseK_;
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::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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{
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const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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if (isFineMaterial_(pos))
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return finePorosity_;
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else
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return coarsePorosity_;
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::materialLawParams
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*/
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template <class Context>
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const MaterialLawParams &materialLawParams(const Context &context,
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int spaceIdx, int timeIdx) const
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{
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const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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if (isFineMaterial_(pos))
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return fineMaterialParams_;
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else
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return coarseMaterialParams_;
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::heatCapacitySolid
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*
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* For this problem, we assume that the solid phase of the porous
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* medium is granite.
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*/
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template <class Context>
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Scalar heatCapacitySolid(const Context &context, int spaceIdx,
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int timeIdx) const
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{
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return 790 // specific heat capacity of granite [J / (kg K)]
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* 2700; // density of granite [kg/m^3]
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}
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/*!
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* \copydoc FvBaseMultiPhaseProblem::heatConductionParams
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*/
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template <class Context>
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const HeatConductionLawParams &
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heatConductionParams(const Context &context, int spaceIdx, int timeIdx) const
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{
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const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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if (isFineMaterial_(pos))
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return fineHeatCondParams_;
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return coarseHeatCondParams_;
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}
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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 auto &pos = context.pos(spaceIdx, timeIdx);
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if (onInlet_(pos))
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values.setFreeFlow(context, spaceIdx, timeIdx, inletFluidState_);
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else if (onOutlet_(pos))
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values.setFreeFlow(context, spaceIdx, timeIdx, outletFluidState_);
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else
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values.setNoFlow();
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}
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//! \}
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/*!
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* \name Volume 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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const auto &matParams = materialLawParams(context, spaceIdx, timeIdx);
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values.assignMassConservative(outletFluidState_, matParams);
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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 = 0.0; }
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//! \}
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private:
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/*!
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* \brief Returns whether a given global position is in the
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* fine-permeability region or not.
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*/
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bool isFineMaterial_(const GlobalPosition &pos) const
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{ return 10 <= pos[0] && pos[0] <= 20 && 0 <= pos[1] && pos[1] <= 35; }
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bool onInlet_(const GlobalPosition &globalPos) const
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{
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Scalar x = globalPos[0];
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Scalar y = globalPos[1];
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return x >= 60 - eps_ && y <= 10;
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}
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bool onOutlet_(const GlobalPosition &globalPos) const
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{
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Scalar x = globalPos[0];
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Scalar y = globalPos[1];
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return x < eps_ && y <= 10;
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}
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void initFluidStates_()
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{
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initFluidState_(inletFluidState_, coarseMaterialParams_,
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/*isInlet=*/true);
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initFluidState_(outletFluidState_, coarseMaterialParams_,
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/*isInlet=*/false);
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}
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template <class FluidState>
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void initFluidState_(FluidState &fs, const MaterialLawParams &matParams,
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bool isInlet)
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{
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int refPhaseIdx;
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int otherPhaseIdx;
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// set the fluid temperatures
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fs.setTemperature(temperature_);
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if (isInlet) {
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// only liquid on inlet
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refPhaseIdx = liquidPhaseIdx;
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otherPhaseIdx = gasPhaseIdx;
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// set liquid saturation
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fs.setSaturation(liquidPhaseIdx, 1.0);
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// set pressure of the liquid phase
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fs.setPressure(liquidPhaseIdx, 2e5);
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// set the liquid composition to pure water
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fs.setMoleFraction(liquidPhaseIdx, N2Idx, 0.0);
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fs.setMoleFraction(liquidPhaseIdx, H2OIdx, 1.0);
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}
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else {
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// elsewhere, only gas
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refPhaseIdx = gasPhaseIdx;
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otherPhaseIdx = liquidPhaseIdx;
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// set gas saturation
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fs.setSaturation(gasPhaseIdx, 1.0);
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// set pressure of the gas phase
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fs.setPressure(gasPhaseIdx, 1e5);
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// set the gas composition to 99% nitrogen and 1% steam
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fs.setMoleFraction(gasPhaseIdx, N2Idx, 0.99);
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fs.setMoleFraction(gasPhaseIdx, H2OIdx, 0.01);
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};
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// set the other saturation
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fs.setSaturation(otherPhaseIdx, 1.0 - fs.saturation(refPhaseIdx));
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// calulate the capillary pressure
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PhaseVector pC;
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MaterialLaw::capillaryPressures(pC, matParams, fs);
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fs.setPressure(otherPhaseIdx, fs.pressure(refPhaseIdx)
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+ (pC[otherPhaseIdx] - pC[refPhaseIdx]));
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// make the fluid state consistent with local thermodynamic
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// equilibrium
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typedef Opm::ComputeFromReferencePhase<Scalar, FluidSystem>
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ComputeFromReferencePhase;
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typename FluidSystem::ParameterCache paramCache;
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ComputeFromReferencePhase::solve(fs, paramCache, refPhaseIdx,
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/*setViscosity=*/false,
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/*setEnthalpy=*/false);
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}
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void computeHeatCondParams_(HeatConductionLawParams ¶ms, Scalar poro)
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{
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Scalar lambdaWater = 0.6;
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Scalar lambdaGranite = 2.8;
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Scalar lambdaWet = std::pow(lambdaGranite, (1 - poro))
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* std::pow(lambdaWater, poro);
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Scalar lambdaDry = std::pow(lambdaGranite, (1 - poro));
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params.setFullySaturatedLambda(gasPhaseIdx, lambdaDry);
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params.setFullySaturatedLambda(liquidPhaseIdx, lambdaWet);
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params.setVacuumLambda(lambdaDry);
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}
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DimMatrix coarseK_;
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DimMatrix fineK_;
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Scalar coarsePorosity_;
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Scalar finePorosity_;
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MaterialLawParams fineMaterialParams_;
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MaterialLawParams coarseMaterialParams_;
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HeatConductionLawParams fineHeatCondParams_;
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HeatConductionLawParams coarseHeatCondParams_;
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Opm::CompositionalFluidState<Scalar, FluidSystem> inletFluidState_;
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Opm::CompositionalFluidState<Scalar, FluidSystem> outletFluidState_;
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Scalar temperature_;
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Scalar eps_;
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};
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} // namespace Ewoms
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#endif
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