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265 lines
8.6 KiB
C++
265 lines
8.6 KiB
C++
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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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// vi: set et ts=4 sw=4 sts=4:
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/*****************************************************************************
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* Copyright (C) 2012 by Andreas Lauser *
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* Copyright (C) 2012 by Christoph Grueninger *
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* *
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* This program 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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* *
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* This program 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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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. 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::NavierStokesTestProblem
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*/
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#ifndef EWOMS_NAVIER_STOKES_TEST_PROBLEM_HH
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#define EWOMS_NAVIER_STOKES_TEST_PROBLEM_HH
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#include <ewoms/models/stokes/stokesmodel.hh>
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#include <opm/material/fluidsystems/H2ON2FluidSystem.hpp>
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#include <opm/material/fluidsystems/GasPhase.hpp>
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#include <opm/material/components/N2.hpp>
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#if HAVE_ALUGRID
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#include <dune/grid/alugrid/2d/alugrid.hh>
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#elif HAVE_UG
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#include <dune/grid/io/file/dgfparser/dgfug.hh>
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#else
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#warning UG or ALUGrid necessary for this test.
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#include <dune/grid/io/file/dgfparser/dgfyasp.hh>
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#endif
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#include <dune/grid/io/file/dgfparser.hh>
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#include <dune/common/fvector.hh>
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namespace Ewoms {
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template <class TypeTag>
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class NavierStokesTestProblem;
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// Specify the properties for the stokes problem
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namespace Properties
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{
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NEW_TYPE_TAG(NavierStokesTestProblem, INHERITS_FROM(VcfvNavierStokes));
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// Set the grid type
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#if HAVE_ALUGRID
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SET_TYPE_PROP(NavierStokesTestProblem, Grid, Dune::ALUGrid<2, 2, Dune::cube, Dune::nonconforming>);
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#elif HAVE_UG
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SET_TYPE_PROP(NavierStokesTestProblem, Grid, Dune::UGGrid<2>);
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#else
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SET_TYPE_PROP(NavierStokesTestProblem, Grid, Dune::YaspGrid<2>);
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#endif
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// Set the property which defines the type of the physical problem
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SET_TYPE_PROP(NavierStokesTestProblem, Problem, Ewoms::NavierStokesTestProblem<TypeTag>);
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SET_PROP(NavierStokesTestProblem, Fluid)
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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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typedef Opm::GasPhase<Scalar, Opm::N2<Scalar> > type;
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};
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// Disable gravity
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SET_BOOL_PROP(NavierStokesTestProblem, EnableGravity, false);
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// Enable constraints
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SET_BOOL_PROP(NavierStokesTestProblem, EnableConstraints, true);
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// Default simulation end time [s]
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SET_SCALAR_PROP(NavierStokesTestProblem, EndTime, 1e-3);
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// Default initial time step size [s]
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SET_SCALAR_PROP(NavierStokesTestProblem, InitialTimeStepSize, 1e-3);
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// Default grid file to load
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SET_STRING_PROP(NavierStokesTestProblem, GridFile, "grids/test_navierstokes.dgf");
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}
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/*!
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* \ingroup VcfvStokesModel
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* \ingroup VcfvTestProblems
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* \brief Stokes flow problem with modified nitrogen (N2) circulating in
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* a cavity. (lid-driven cavity-flow)
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*
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* The example is taken from Ghia, Ghia, and Shin (1982), "High-Re solutions
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* for incompressible flow using the Navier-Stokes equations and a multigrid
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* method", Journal of Computational Physics, Vol. 48, pp. 387-411.
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*
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* The domain is two-dimensional and sized 1m times 1m. The boundary
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* conditions for the momentum balances are no-flow boundary
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* conditions except for the top, which is floating from left to right
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* with 1 m/s. The mass balance features outflow boundary
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* conditions. All vertices at the bottom, left and right boundaries
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* are constraint to a constant pressure level and zero velocity.
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*/
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template <class TypeTag>
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class NavierStokesTestProblem : public StokesProblem<TypeTag>
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{
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typedef StokesProblem<TypeTag> ParentType;
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typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
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typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;
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typedef typename GET_PROP_TYPE(TypeTag, TimeManager) TimeManager;
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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, Constraints) Constraints;
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typedef typename GET_PROP_TYPE(TypeTag, Indices) Indices;
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enum {
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// Number of equations and grid dimension
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dimWorld = GridView::dimensionworld,
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// copy some indices for convenience
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pressureIdx = Indices::pressureIdx,
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velocity0Idx = Indices::velocity0Idx,
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conti0EqIdx = Indices::conti0EqIdx,
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momentum0EqIdx = Indices::momentum0EqIdx
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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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public:
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/*!
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* \copydoc Doxygen::defaultProblemConstructor
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*/
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NavierStokesTestProblem(TimeManager &timeManager)
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: ParentType(timeManager, GET_PROP_TYPE(TypeTag, GridCreator)::grid().leafView())
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{ eps_ = 1e-6; }
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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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const char *name() const
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{ return "navierstokes"; }
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/*!
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* \brief StokesProblem::temperature
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*
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* This problem assumes a constant temperature of 10 degrees Celsius.
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*/
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template <class Context>
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Scalar temperature(const Context &context,
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int spaceIdx, int timeIdx) const
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{ return 273.15 + 10; }
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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, int spaceIdx, int timeIdx) const
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{
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/* const GlobalPosition &pos = context.pos(spaceIdx, timeIdx);
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values.setOutflow(massBalanceIdx);
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values.setDirichlet(momentumXIdx);
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values.setDirichlet(momentumYIdx);
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// set pressure for all vertices at the bottom
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if (onLowerBoundary_(pos)) {
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values.setDirichlet(massBalanceIdx);
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}
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*/
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values.setNoFlow(context, spaceIdx, timeIdx);
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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,
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const Context &context,
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int spaceIdx, int timeIdx) const
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{ initial_(values); }
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/*!
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* \copydoc VcfvProblem::constraints
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*
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* For this problem, we fix the velocity of upper boundary.
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*/
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template <class Context>
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void constraints(Constraints &constraints, const Context &context, 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 (onUpperBoundary_(pos)) {
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// lid moves from left to right
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const Scalar lidVelocity = 1.0;
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constraints.setConstraint(momentum0EqIdx, velocity0Idx + 0, lidVelocity);
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constraints.setConstraint(momentum0EqIdx + 1, velocity0Idx + 1, 0);
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constraints.setConstraint(conti0EqIdx, pressureIdx, 1e5);
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}
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}
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/*!
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* \copydoc VcfvProblem::source
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*/
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template <class Context>
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void source(RateVector &rate,
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const Context &context,
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int spaceIdx, int timeIdx) const
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{ rate = Scalar(0.0); }
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//! \}
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private:
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// internal method for the initial condition
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void initial_(PrimaryVariables &priVars) const
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{
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priVars[pressureIdx] = 1e5;
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priVars[velocity0Idx + 0] = 0.0;
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priVars[velocity0Idx + 1] = 0.0;
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}
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bool onLeftBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[0] < this->bboxMin()[0] + eps_; }
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bool onRightBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[0] > this->bboxMax()[0] - eps_; }
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bool onLowerBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[1] < this->bboxMin()[1] + eps_; }
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bool onUpperBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[1] > this->bboxMax()[1] - eps_; }
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Scalar eps_;
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};
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} //end namespace
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#endif
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