GCC Code Coverage Report


Directory: ../../../builds/dumux-repositories/
File: /builds/dumux-repositories/dumux/dumux/experimental/assembly/multistagefvlocaloperator.hh
Date: 2024-09-21 20:52:54
Exec Total Coverage
Lines: 26 29 89.7%
Functions: 25 48 52.1%
Branches: 29 52 55.8%

Line Branch Exec Source
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 Experimental
10 * \ingroup Assembly
11 * \brief A local operator wrapper for multi-stage time stepping schemes
12 */
13 #ifndef DUMUX_EXPERIMENTAL_MULTISTAGE_FV_LOCAL_OPERATOR_HH
14 #define DUMUX_EXPERIMENTAL_MULTISTAGE_FV_LOCAL_OPERATOR_HH
15
16 #include <cmath>
17 #include <dumux/discretization/extrusion.hh>
18
19 namespace Dumux::Experimental {
20
21 template<class LocalOperator>
22 class MultiStageFVLocalOperator
23 {
24 using ElementOperatorResultVector = typename LocalOperator::ElementResidualVector;
25 public:
26 // compatibility
27 using ElementResidualVector = ElementOperatorResultVector;
28
29 5062100 MultiStageFVLocalOperator(const LocalOperator& op)
30 : op_(op)
31 , spatialWeight_(1.0)
32
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5062100 , temporalWeight_(1.0)
33 {}
34
35 // discretization-agnostic interface (apart from FV)
36 template<class FVGeometry, class ElemVolVars>
37 21244928 ElementOperatorResultVector evalStorage(
38 const FVGeometry& fvGeometry,
39 const ElemVolVars& elemVolVars
40 ) const {
41
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42489856 ElementOperatorResultVector result(fvGeometry.numScv());
42
43
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42489856 if (std::abs(temporalWeight_) > 1e-6)
44 {
45
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87780608 for (const auto& scv : scvs(fvGeometry))
46 23050752 result[scv.localDofIndex()] +=
47 26035456 op_.computeStorage(op_.problem(), scv, elemVolVars[scv])
48 27372288 * elemVolVars[scv].extrusionFactor()
49 47504384 * Extrusion_t<typename FVGeometry::GridGeometry>::volume(fvGeometry, scv)
50 90800128 * temporalWeight_;
51 }
52
53 21244928 return result;
54 }
55
56 // discretization-agnostic interface (apart from FV)
57 template<class FVGeometry, class ElemVolVars, class ElemFluxVars, class ElemBCTypes>
58 11263104 ElementOperatorResultVector evalFluxAndSource(
59 const typename FVGeometry::Element&, // not needed, here for compatibility
60 const FVGeometry& fvGeometry,
61 const ElemVolVars& elemVolVars,
62 const ElemFluxVars& elemFluxVarsCache,
63 const ElemBCTypes& bcTypes
64 ) const {
65
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22526208 ElementOperatorResultVector result(fvGeometry.numScv());
66
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22526208 if (std::abs(spatialWeight_) > 1e-6)
67 {
68 22526208 result = op_.evalFluxAndSource(fvGeometry.element(), fvGeometry, elemVolVars, elemFluxVarsCache, bcTypes);
69
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47003392 for (auto& r : result)
70 13214080 r *= spatialWeight_;
71 }
72
73 11263104 return result;
74 }
75
76 // interface allowing for optimization when computing the cell-centered finite volume Jacobian
77 template<class Problem, class FVGeometry, class ElemVolVars, class ElemFluxVars>
78 1612896 auto evalFlux(
79 const Problem&, // not needed
80 const typename FVGeometry::Element& element, // can be neighbor
81 const FVGeometry& fvGeometry,
82 const ElemVolVars& elemVolVars,
83 const ElemFluxVars& elemFluxVarsCache,
84 const typename FVGeometry::SubControlVolumeFace& scvf
85 ) const {
86 using NumEqVector = std::decay_t<decltype(op_.evalFlux(op_.problem(), element, fvGeometry, elemVolVars, elemFluxVarsCache, scvf))>;
87 1612896 NumEqVector result(0.0);
88
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3225792 if (std::abs(spatialWeight_) > 1e-6)
89 {
90 1612896 result = op_.evalFlux(op_.problem(), element, fvGeometry, elemVolVars, elemFluxVarsCache, scvf);
91 result *= spatialWeight_;
92 }
93 1612896 return result;
94 }
95
96
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5034816 void spatialWeight(double w) { spatialWeight_ = w; }
97 double spatialWeight() const { return spatialWeight_; }
98
99
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5034816 void temporalWeight(double w) { temporalWeight_ = w; }
100 double temporalWeight() const { return temporalWeight_; }
101
102 const auto& problem() const
103 { return op_.problem(); }
104
105 // some old interface (TODO: get rid of this)
106 // (stationary is also the wrong word by the way, systems with zero
107 // time derivative are in a steady-state but not necessarily stationary/not-moving at all)
108 // can we decide this somehow from the temporal weight?
109 bool isStationary() const
110 { return false; }
111
112 private:
113 LocalOperator op_;
114 double spatialWeight_, temporalWeight_; // TODO: get correct type
115 };
116
117 } // end namespace Dumux::Experimental
118
119 #endif
120