| 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 Discretization | ||
| 10 | * \brief free functions for the evaluation of primary variable gradients inside elements. | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_EVAL_GRADIENTS_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_EVAL_GRADIENTS_HH | ||
| 14 | |||
| 15 | #include <dune/common/exceptions.hh> | ||
| 16 | |||
| 17 | #include <dumux/common/typetraits/state.hh> | ||
| 18 | #include <dumux/common/typetraits/isvalid.hh> | ||
| 19 | #include <dumux/discretization/cellcentered/elementsolution.hh> | ||
| 20 | #include <dumux/discretization/cvfe/elementsolution.hh> | ||
| 21 | |||
| 22 | #include "evalsolution.hh" | ||
| 23 | |||
| 24 | namespace Dumux { | ||
| 25 | |||
| 26 | // some implementation details | ||
| 27 | namespace Detail{ | ||
| 28 | /*! | ||
| 29 | * \brief Evaluates the gradient of a control-volume finite element solution to a given global position. | ||
| 30 | * \ingroup Discretization | ||
| 31 | * | ||
| 32 | * \param element The element | ||
| 33 | * \param geometry The element geometry | ||
| 34 | * \param gridGeometry The finite volume grid geometry | ||
| 35 | * \param elemSol The primary variables at the dofs of the element | ||
| 36 | * \param globalPos The global position | ||
| 37 | * \param ignoreState If true, the state of primary variables is ignored | ||
| 38 | * | ||
| 39 | * \return Dune::FieldVector with as many entries as dimension of | ||
| 40 | * the PrimaryVariables object (i.e. numEq). Each entry is | ||
| 41 | * a GlobalCoordinate object holding the priVar gradient. | ||
| 42 | */ | ||
| 43 | template<class Element, class GridGeometry, class CVFEElemSol> | ||
| 44 | 27802748 | auto evalCVFEGradients(const Element& element, | |
| 45 | const typename Element::Geometry& geometry, | ||
| 46 | const GridGeometry& gridGeometry, | ||
| 47 | const CVFEElemSol& elemSol, | ||
| 48 | const typename Element::Geometry::GlobalCoordinate& globalPos, | ||
| 49 | bool ignoreState = false) | ||
| 50 | { | ||
| 51 | // determine if all states are the same at all vertices | ||
| 52 | using HasState = decltype(isValid(Detail::hasState())(elemSol[0])); | ||
| 53 |
3/4✓ Branch 0 taken 4059776 times.
✓ Branch 1 taken 18138484 times.
✓ Branch 3 taken 4059776 times.
✗ Branch 4 not taken.
|
27802748 | bool allStatesEqual = ignoreState || Detail::allStatesEqual(elemSol, HasState{}); |
| 54 | |||
| 55 | if (allStatesEqual) | ||
| 56 | { | ||
| 57 | using GlobalPosition = typename Element::Geometry::GlobalCoordinate; | ||
| 58 | |||
| 59 | // evaluate gradients using the local finite element basis | ||
| 60 |
1/2✓ Branch 4 taken 22198260 times.
✗ Branch 5 not taken.
|
83405844 | const auto& localBasis = gridGeometry.feCache().get(geometry.type()).localBasis(); |
| 61 | |||
| 62 | // evaluate the shape function gradients at the scv center | ||
| 63 | using ShapeJacobian = typename std::decay_t< decltype(localBasis) >::Traits::JacobianType; | ||
| 64 |
1/2✓ Branch 1 taken 22198260 times.
✗ Branch 2 not taken.
|
27802748 | const auto localPos = geometry.local(globalPos); |
| 65 |
1/4✓ Branch 1 taken 27802714 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
|
27802748 | std::vector< ShapeJacobian > shapeJacobian; |
| 66 |
1/2✓ Branch 1 taken 27802714 times.
✗ Branch 2 not taken.
|
27802748 | localBasis.evaluateJacobian(localPos, shapeJacobian); |
| 67 | |||
| 68 | // the inverse transposed of the jacobian matrix | ||
| 69 |
1/2✓ Branch 1 taken 2400 times.
✗ Branch 2 not taken.
|
27802748 | const auto jacInvT = geometry.jacobianInverseTransposed(localPos); |
| 70 | |||
| 71 | // interpolate the gradients | ||
| 72 | 33407236 | Dune::FieldVector<GlobalPosition, CVFEElemSol::PrimaryVariables::dimension> result( GlobalPosition(0.0) ); | |
| 73 |
4/4✓ Branch 0 taken 88947262 times.
✓ Branch 1 taken 27802714 times.
✓ Branch 2 taken 88947262 times.
✓ Branch 3 taken 27802714 times.
|
138948372 | for (int i = 0; i < shapeJacobian.size(); ++i) |
| 74 | { | ||
| 75 | // the global shape function gradient | ||
| 76 | 88947364 | GlobalPosition gradN; | |
| 77 | 266842092 | jacInvT.mv(shapeJacobian[i][0], gradN); | |
| 78 | |||
| 79 | // add gradient to global privar gradients | ||
| 80 |
2/2✓ Branch 0 taken 331512318 times.
✓ Branch 1 taken 88947262 times.
|
420459784 | for (unsigned int pvIdx = 0; pvIdx < CVFEElemSol::PrimaryVariables::dimension; ++pvIdx) |
| 81 | { | ||
| 82 | 331512420 | GlobalPosition tmp(gradN); | |
| 83 | 994537260 | tmp *= elemSol[i][pvIdx]; | |
| 84 | 994536852 | result[pvIdx] += tmp; | |
| 85 | } | ||
| 86 | } | ||
| 87 | |||
| 88 |
1/2✓ Branch 0 taken 27802714 times.
✗ Branch 1 not taken.
|
55605496 | return result; |
| 89 | } | ||
| 90 | else | ||
| 91 | { | ||
| 92 | ✗ | DUNE_THROW(Dune::NotImplemented, "Element dofs have different phase states. Enforce calculation by setting ignoreState to true."); | |
| 93 | } | ||
| 94 | } | ||
| 95 | |||
| 96 | } // end namespace Detail | ||
| 97 | |||
| 98 | /*! | ||
| 99 | * \brief Evaluates the gradient of a given CVFE element solution to a given global position. | ||
| 100 | * \ingroup Discretization | ||
| 101 | * | ||
| 102 | * \param element The element | ||
| 103 | * \param geometry The element geometry | ||
| 104 | * \param gridGeometry The finite volume grid geometry | ||
| 105 | * \param elemSol The primary variables at the dofs of the element | ||
| 106 | * \param globalPos The global position | ||
| 107 | * \param ignoreState If true, the state of primary variables is ignored | ||
| 108 | */ | ||
| 109 | template<class Element, class FVElementGeometry, class PrimaryVariables> | ||
| 110 | auto evalGradients(const Element& element, | ||
| 111 | const typename Element::Geometry& geometry, | ||
| 112 | const typename FVElementGeometry::GridGeometry& gridGeometry, | ||
| 113 | const CVFEElementSolution<FVElementGeometry, PrimaryVariables>& elemSol, | ||
| 114 | const typename Element::Geometry::GlobalCoordinate& globalPos, | ||
| 115 | bool ignoreState = false) | ||
| 116 | { | ||
| 117 |
1/4✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 4 taken 34 times.
✗ Branch 5 not taken.
|
27802714 | return Detail::evalCVFEGradients(element, geometry, gridGeometry, elemSol, globalPos, ignoreState); |
| 118 | } | ||
| 119 | |||
| 120 | /*! | ||
| 121 | * \ingroup Discretization | ||
| 122 | * \brief Evaluates the gradient of a given CCElementSolution to a given global position. | ||
| 123 | * This function is only here for (compilation) compatibility reasons with the box scheme. | ||
| 124 | * The solution within the control volumes is constant and thus gradients are zero. | ||
| 125 | * One can compute gradients towards the sub-control volume faces after reconstructing | ||
| 126 | * the solution on the faces. | ||
| 127 | * | ||
| 128 | * \param element The element | ||
| 129 | * \param geometry The element geometry | ||
| 130 | * \param gridGeometry The finite volume grid geometry | ||
| 131 | * \param elemSol The primary variables at the dofs of the element | ||
| 132 | * \param globalPos The global position | ||
| 133 | * \throws Dune::NotImplemented | ||
| 134 | * | ||
| 135 | * \return Dune::FieldVector with as many entries as dimension of | ||
| 136 | * the PrimaryVariables object (i.e. numEq). Each entry is | ||
| 137 | * a GlobalCoordinate object holding the priVar gradient. | ||
| 138 | */ | ||
| 139 | template<class Element, class FVElementGeometry, class PrimaryVariables> | ||
| 140 | Dune::FieldVector<typename Element::Geometry::GlobalCoordinate, PrimaryVariables::dimension> | ||
| 141 | evalGradients(const Element& element, | ||
| 142 | const typename Element::Geometry& geometry, | ||
| 143 | const typename FVElementGeometry::GridGeometry& gridGeometry, | ||
| 144 | const CCElementSolution<FVElementGeometry, PrimaryVariables>& elemSol, | ||
| 145 | const typename Element::Geometry::GlobalCoordinate& globalPos) | ||
| 146 | { DUNE_THROW(Dune::NotImplemented, "General gradient evaluation for cell-centered methods"); } | ||
| 147 | |||
| 148 | } // namespace Dumux | ||
| 149 | |||
| 150 | #endif | ||
| 151 |