GCC Code Coverage Report

Directory: ../../../builds/dumux-repositories/
File: /builds/dumux-repositories/dumux/test/porousmediumflow/1p/convergence/discretesolution/solver.hh
Date: 2024-09-21 20:52:54
Exec Total Coverage
Lines: 33 33 100.0%
Functions: 4 4 100.0%
Branches: 88 206 42.7%
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1 // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 // vi: set et ts=4 sw=4 sts=4:
3 //
4 // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
5 // SPDX-License-Identifier: GPL-3.0-or-later
6 //
7 /*!
8 * \file
9 * \ingroup OnePTests
10 * \brief The solver of the single-phase convergence test
11 */
12 #ifndef DUMUX_INCOMPRESSIBLE_ONEP_CONVERGENCETEST_SOLVER_HH
13 #define DUMUX_INCOMPRESSIBLE_ONEP_CONVERGENCETEST_SOLVER_HH
14
15 #include <iostream>
16 #include <string>
17
18 #include <dune/common/timer.hh>
19 #include <dune/grid/io/file/vtk.hh>
20
21 #include <dumux/linear/istlsolvers.hh>
22 #include <dumux/linear/linearsolvertraits.hh>
23 #include <dumux/linear/linearalgebratraits.hh>
24 #include <dumux/linear/pdesolver.hh>
25
26 #include <dumux/common/properties.hh>
27 #include <dumux/common/parameters.hh>
28
29 #include <dumux/io/vtkoutputmodule.hh>
30 #include <dumux/io/grid/gridmanager_base.hh>
31
32 #include <dumux/assembly/fvassembler.hh>
33 #include <dumux/assembly/diffmethod.hh>
34
35 #include "properties.hh"
36
37 // return type of solveRefinementLevel()
38 // stores the grid geometry and the produced solution
39 template<class TypeTag>
40
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 32 struct SolutionStorage
41 {
42 using Grid = Dumux::GetPropType<TypeTag, Dumux::Properties::Grid>;
43 using GridGeometry = Dumux::GetPropType<TypeTag, Dumux::Properties::GridGeometry>;
44 using SolutionVector = Dumux::GetPropType<TypeTag, Dumux::Properties::SolutionVector>;
45
46 public:
47 Dumux::GridManager<Grid> gridManager;
48 std::shared_ptr<GridGeometry> gridGeometry;
49 std::shared_ptr<SolutionVector> solution;
50 };
51
52 /*!
53 * \brief Solves the problem for a given number of cells per direction.
54 * \param numCells the number of cells per direction to be used
55 * \return returns an object of SolutionStorage, which carries
56 * the grid and the solution after solving the problem
57 */
58 template<class TypeTag>
59 16 SolutionStorage<TypeTag> solveRefinementLevel(int numCells)
60 {
61 using namespace Dumux;
62
63 // adapt the parameter tree to carry given number of cells
64 16 const auto c = std::to_string(numCells);
65
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 80 Parameters::init([&c] (auto& tree) { tree["Grid.Cells"] = c + " " + c; });
66
67 // the returned object of this function
68 // we create the grid in there directly
69
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 16 SolutionStorage<TypeTag> storage;
70 16 auto& gridManager = storage.gridManager;
71
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 32 gridManager.init();
72
73 // we compute on the leaf grid view
74
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 16 const auto& leafGridView = gridManager.grid().leafGridView();
75
76 // start timer
77 16 Dune::Timer timer;
78
79 // create the finite volume grid geometry
80 using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
81
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 32 auto gridGeometry = std::make_shared<GridGeometry>(leafGridView);
82
83 // the problem (boundary conditions)
84 using Problem = GetPropType<TypeTag, Properties::Problem>;
85
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 32 auto problem = std::make_shared<Problem>(gridGeometry);
86
87 // the solution vector
88 using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>;
89
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 56 auto x = std::make_shared<SolutionVector>(gridGeometry->numDofs());
90
91 // the grid variables
92 using GridVariables = GetPropType<TypeTag, Properties::GridVariables>;
93
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 32 auto gridVariables = std::make_shared<GridVariables>(problem, gridGeometry);
94
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 48 gridVariables->init(*x);
95
96 // create assembler & linear solver
97 using Assembler = FVAssembler<TypeTag, DiffMethod::analytic>;
98
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 32 auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables);
99
100 using LinearSolver = ILUBiCGSTABIstlSolver<LinearSolverTraits<GridGeometry>, LinearAlgebraTraitsFromAssembler<Assembler>>;
101
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 96 auto linearSolver = std::make_shared<LinearSolver>(gridGeometry->gridView(), gridGeometry->dofMapper());
102
103 // solver the linear problem
104
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 80 LinearPDESolver<Assembler, LinearSolver> solver(assembler, linearSolver);
105
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 32 solver.solve(*x);
106
107 // maybe output result to vtk
108
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 16 if (getParam<bool>("IO.WriteVTK", false))
109 {
110
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 48 VtkOutputModule<GridVariables, SolutionVector> vtkWriter(*gridVariables, *x, problem->name());
111 using IOFields = GetPropType<TypeTag, Properties::IOFields>;
112
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 16 IOFields::initOutputModule(vtkWriter); // Add model specific output fields
113
114 // add exact solution
115 using Scalar = GetPropType<TypeTag, Properties::Scalar>;
116
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 72 std::vector<Scalar> exact(gridGeometry->numDofs());
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 48 auto fvGeometry = localView(*gridGeometry);
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 16 const auto periodLength = getParam<Scalar>("Problem.ExactSolPeriodLength");
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 68048 for (const auto& element : elements(gridGeometry->gridView()))
120 {
121
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 34000 fvGeometry.bindElement(element);
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 204000 for (const auto& scv : scvs(fvGeometry))
123 255000 exact[scv.dofIndex()] = problem->exact(scv.dofPosition(), periodLength);
124 }
125
126
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 32 vtkWriter.addField(exact, "p_exact");
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 16 vtkWriter.write(1.0);
128 }
129
130 // fill storage and return
131 16 storage.gridGeometry = gridGeometry;
132 16 storage.solution = x;
133 16 return storage;
134 }
135
136 #endif
137