Commit 655918b0 authored by Katharina Heck's avatar Katharina Heck
Browse files

Merge branch 'fix/ex-basic-setup' into 'master'

Fix/ex basic setup

See merge request !31
parents 40b4eb2a f500fca4
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
* See the file COPYING for full copying permissions. *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*****************************************************************************/
/*!
* \file
* \brief The main file for the two-phase porousmediumflow problem of exercise-basic
*/
#include <config.h>
#include <ctime>
#include <iostream>
#include <dune/common/parallel/mpihelper.hh>
#include <dune/common/timer.hh>
#include <dune/grid/io/file/dgfparser/dgfexception.hh>
#include <dune/grid/io/file/vtk.hh>
#include <dumux/common/properties.hh>
#include <dumux/common/parameters.hh>
#include <dumux/common/dumuxmessage.hh>
#include <dumux/common/defaultusagemessage.hh>
#include <dumux/linear/amgbackend.hh>
#include <dumux/nonlinear/newtonsolver.hh>
#include <dumux/assembly/fvassembler.hh>
#include <dumux/assembly/diffmethod.hh>
#include <dumux/discretization/methods.hh>
#include <dumux/io/vtkoutputmodule.hh>
#include <dumux/io/grid/gridmanager.hh>
#include "injection2pproblem.hh"
////////////////////////
// the main function
////////////////////////
int main(int argc, char** argv) try
{
using namespace Dumux;
// define the type tag for this problem
using TypeTag = TTAG(Injection2pCCTypeTag);
// initialize MPI, finalize is done automatically on exit
const auto& mpiHelper = Dune::MPIHelper::instance(argc, argv);
// print dumux start message
if (mpiHelper.rank() == 0)
DumuxMessage::print(/*firstCall=*/true);
// parse command line arguments and input file
Parameters::init(argc, argv);
// try to create a grid (from the given grid file or the input file)
GridManager<typename GET_PROP_TYPE(TypeTag, Grid)> gridManager;
gridManager.init();
////////////////////////////////////////////////////////////
// run instationary non-linear problem on this grid
////////////////////////////////////////////////////////////
// we compute on the leaf grid view
const auto& leafGridView = gridManager.grid().leafGridView();
// create the finite volume grid geometry
using FVGridGeometry = typename GET_PROP_TYPE(TypeTag, FVGridGeometry);
auto fvGridGeometry = std::make_shared<FVGridGeometry>(leafGridView);
fvGridGeometry->update();
// the problem (initial and boundary conditions)
using Problem = typename GET_PROP_TYPE(TypeTag, Problem);
auto problem = std::make_shared<Problem>(fvGridGeometry);
// the solution vector
using SolutionVector = typename GET_PROP_TYPE(TypeTag, SolutionVector);
SolutionVector x(fvGridGeometry->numDofs());
problem->applyInitialSolution(x);
auto xOld = x;
// the grid variables
using GridVariables = typename GET_PROP_TYPE(TypeTag, GridVariables);
auto gridVariables = std::make_shared<GridVariables>(problem, fvGridGeometry);
gridVariables->init(x, xOld);
// get some time loop parameters
using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
const auto tEnd = getParam<Scalar>("TimeLoop.TEnd");
const auto maxDt = getParam<Scalar>("TimeLoop.MaxTimeStepSize");
auto dt = getParam<Scalar>("TimeLoop.DtInitial");
// intialize the vtk output module
using VtkOutputFields = typename GET_PROP_TYPE(TypeTag, VtkOutputFields);
VtkOutputModule<TypeTag> vtkWriter(*problem, *fvGridGeometry, *gridVariables, x, problem->name());
VtkOutputFields::init(vtkWriter); //! Add model specific output fields
// instantiate time loop
auto timeLoop = std::make_shared<TimeLoop<Scalar>>(0.0, dt, tEnd);
timeLoop->setMaxTimeStepSize(maxDt);
// the assembler with time loop for instationary problem
using Assembler = FVAssembler<TypeTag, DiffMethod::numeric>;
auto assembler = std::make_shared<Assembler>(problem, fvGridGeometry, gridVariables, timeLoop);
// the linear solver
using LinearSolver = AMGBackend<TypeTag>;
auto linearSolver = std::make_shared<LinearSolver>(leafGridView, fvGridGeometry->dofMapper());
// the non-linear solver
using NewtonSolver = Dumux::NewtonSolver<Assembler, LinearSolver>;
NewtonSolver nonLinearSolver(assembler, linearSolver);
// time loop
timeLoop->start();
while (!timeLoop->finished())
{
// set previous solution for storage evaluations
assembler->setPreviousSolution(xOld);
//set time in problem (is used in time-dependent Neumann boundary condition)
problem->setTime(timeLoop->time()+timeLoop->timeStepSize());
// solve the non-linear system with time step control
nonLinearSolver.solve(x, *timeLoop);
// make the new solution the old solution
xOld = x;
gridVariables->advanceTimeStep();
// advance to the time loop to the next step
timeLoop->advanceTimeStep();
// report statistics of this time step
timeLoop->reportTimeStep();
// set new dt as suggested by the newton solver
timeLoop->setTimeStepSize(nonLinearSolver.suggestTimeStepSize(timeLoop->timeStepSize()));
// output to vtk
vtkWriter.write(timeLoop->time());
}
timeLoop->finalize(leafGridView.comm());
////////////////////////////////////////////////////////////
// finalize, print dumux message to say goodbye
////////////////////////////////////////////////////////////
// print dumux end message
if (mpiHelper.rank() == 0)
{
Parameters::print();
DumuxMessage::print(/*firstCall=*/false);
}
return 0;
} // end main
catch (Dumux::ParameterException &e)
{
std::cerr << std::endl << e << " ---> Abort!" << std::endl;
return 1;
}
catch (Dune::DGFException & e)
{
std::cerr << "DGF exception thrown (" << e <<
"). Most likely, the DGF file name is wrong "
"or the DGF file is corrupted, "
"e.g. missing hash at end of file or wrong number (dimensions) of entries."
<< " ---> Abort!" << std::endl;
return 2;
}
catch (Dune::Exception &e)
{
std::cerr << "Dune reported error: " << e << " ---> Abort!" << std::endl;
return 3;
}
catch (...)
{
std::cerr << "Unknown exception thrown! ---> Abort!" << std::endl;
return 4;
}
exercises/extradoc/exercise1_setup.png

56.8 KB | W: | H:

exercises/extradoc/exercise1_setup.png

55.4 KB | W: | H:

exercises/extradoc/exercise1_setup.png
exercises/extradoc/exercise1_setup.png
exercises/extradoc/exercise1_setup.png
exercises/extradoc/exercise1_setup.png
  • 2-up
  • Swipe
  • Onion skin
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment