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290584dddc
the in-file lists of authors has been removed in favor of a global list of authors in the LICENSE file. this is done because (a) maintaining a list of authors at the beginning of a file is a major pain in the a**, (b) the list of authors was not accurate in about 85% of all cases where more than one person was involved and (c) this list is not legally binding in any way (the copyright is at the person who authored a given change, if these lists had any legal relevance, one could "aquire" the copyright of the module by forking it and removing the lists...) the only exception of this is the eWoms fork of dune-istl's solvers.hh file. This is beneficial because the authors of that file do not appear in the global list. Further, carrying the fork of that file is required because we would like to use a reasonable convergence criterion for the linear solver. (the solvers from dune-istl do neither support user-defined convergence criteria not do the developers want support for it. (my patch was rejected a few years ago.))
286 lines
8.6 KiB
C++
286 lines
8.6 KiB
C++
// -*- 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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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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Consult the COPYING file in the top-level source directory of this
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module for the precise wording of the license and the list of
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copyright holders.
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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_DUNE_ALUGRID
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#include <dune/alugrid/grid.hh>
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#include <dune/alugrid/dgf.hh>
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#else
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#include <dune/grid/alugrid/2d/alugrid.hh>
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#include <dune/grid/io/file/dgfparser/dgfalu.hh>
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#endif
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#include <dune/common/version.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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}
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namespace Ewoms {
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namespace Properties {
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NEW_TYPE_TAG(NavierStokesTestProblem, INHERITS_FROM(NavierStokesModel));
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// Set the grid type
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SET_TYPE_PROP(NavierStokesTestProblem, Grid, Dune::ALUGrid<2, 2, Dune::cube, Dune::nonconforming>);
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// Set the property which defines the type of the physical problem
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SET_TYPE_PROP(NavierStokesTestProblem, Problem,
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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,
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"data/test_navierstokes.dgf");
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}
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}
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namespace Ewoms {
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/*!
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* \ingroup StokesModel
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* \ingroup TestProblems
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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, Simulator) Simulator;
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typedef typename GET_PROP_TYPE(TypeTag, PrimaryVariables) PrimaryVariables;
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typedef typename GET_PROP_TYPE(TypeTag, EqVector) EqVector;
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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(Simulator &simulator)
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: ParentType(simulator)
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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 FvBaseProblem::name
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*/
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std::string name() const
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{ return "navierstokes"; }
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/*!
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* \copydoc FvBaseProblem::endTimeStep
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*/
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void endTimeStep()
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{
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#ifndef NDEBUG
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// checkConservativeness() does not include the effect of constraints, so we
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// disable it for this problem...
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//this->model().checkConservativeness();
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// Calculate storage terms
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EqVector 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: " << storage << std::endl << std::flush;
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}
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#endif // NDEBUG
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}
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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, unsigned spaceIdx, unsigned 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 FvBaseProblem::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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unsigned spaceIdx, unsigned 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 Volumetric terms
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*/
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//! \{
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/*!
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* \copydoc FvBaseProblem::initial
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*/
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template <class Context>
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void initial(PrimaryVariables &values, const Context &context, unsigned spaceIdx,
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unsigned timeIdx) const
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{ initial_(values); }
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/*!
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* \copydoc FvBaseProblem::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,
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unsigned spaceIdx, unsigned 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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constraints.setActive(true);
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// lid moves from left to right
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const Scalar lidVelocity = 1.0;
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constraints[velocity0Idx + 0] = lidVelocity;
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constraints[velocity0Idx + 1] = 0.0;
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constraints[pressureIdx + 1] = 1e5;
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}
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}
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/*!
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* \copydoc FvBaseProblem::source
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*/
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template <class Context>
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void source(RateVector &rate, const Context &context, unsigned spaceIdx,
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unsigned 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->boundingBoxMin()[0] + eps_; }
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bool onRightBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[0] > this->boundingBoxMax()[0] - eps_; }
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bool onLowerBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[1] < this->boundingBoxMin()[1] + eps_; }
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bool onUpperBoundary_(const GlobalPosition &globalPos) const
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{ return globalPos[1] > this->boundingBoxMax()[1] - eps_; }
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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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