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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 Discretization | ||
| 10 | * \brief Check the overlap size for different discretization methods | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_DISCRETIZATION_CHECK_OVERLAP_SIZE_HH | ||
| 13 | #define DUMUX_DISCRETIZATION_CHECK_OVERLAP_SIZE_HH | ||
| 14 | |||
| 15 | #include <dumux/discretization/method.hh> | ||
| 16 | |||
| 17 | namespace Dumux { | ||
| 18 | |||
| 19 | /*! | ||
| 20 | * \ingroup Discretization | ||
| 21 | * \brief Check if the overlap size is valid for a given discretization method | ||
| 22 | * \note the default checks if the grid has at least an overlap of one if there are no ghosts | ||
| 23 | * \note for sequential grids every overlap is fine | ||
| 24 | * \note specialize this for your discretization method if the default doesn't apply | ||
| 25 | */ | ||
| 26 | template<class DiscretizationMethod> | ||
| 27 | struct CheckOverlapSize | ||
| 28 | { | ||
| 29 | template<class GridView> | ||
| 30 | 424 | static bool isValid(const GridView& gridView) noexcept | |
| 31 |
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574 | { return gridView.comm().size() <= 1 || gridView.overlapSize(0) + gridView.ghostSize(0) > 0; } |
| 32 | }; | ||
| 33 | |||
| 34 | //! specialization for the box method which requires an overlap size of 0 | ||
| 35 | template<> | ||
| 36 | struct CheckOverlapSize<DiscretizationMethods::Box> | ||
| 37 | { | ||
| 38 | template<class GridView> | ||
| 39 | static bool isValid(const GridView& gridView) noexcept | ||
| 40 | { return gridView.comm().size() <= 1 || gridView.overlapSize(0) == 0; } | ||
| 41 | }; | ||
| 42 | |||
| 43 | //! specialization for the finite element method which requires an overlap size of 0 | ||
| 44 | //! \note Overloads for bases that require overlap regions can be defined in the future | ||
| 45 | template<> | ||
| 46 | struct CheckOverlapSize<DiscretizationMethods::FEM> | ||
| 47 | { | ||
| 48 | template<class FEBasis> | ||
| 49 | 1 | static bool isValid(const FEBasis& feBasis) noexcept | |
| 50 |
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4 | { return feBasis.gridView().comm().size() <= 1 || feBasis.gridView().overlapSize(0) == 0; } |
| 51 | }; | ||
| 52 | |||
| 53 | // fc staggered requires an overlap of exactly 1 | ||
| 54 | template<> | ||
| 55 | struct CheckOverlapSize<DiscretizationMethods::FCStaggered> | ||
| 56 | { | ||
| 57 | template<class GridView> | ||
| 58 | 58 | static bool isValid(const GridView& gridView) noexcept | |
| 59 |
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70 | { return gridView.comm().size() <= 1 || gridView.overlapSize(0) == 1; } |
| 60 | }; | ||
| 61 | |||
| 62 | } // end namespace Dumux | ||
| 63 | |||
| 64 | #endif | ||
| 65 |