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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 CCTpfaDiscretization | ||
| 10 | * \brief Free functions to evaluate the transmissibilities | ||
| 11 | * associated with flux evaluations across sub-control volume faces | ||
| 12 | * in the context of the cell-centered TPFA scheme. | ||
| 13 | */ | ||
| 14 | #ifndef DUMUX_DISCRETIZATION_CC_TPFA_COMPUTE_TRANSMISSIBILITY_HH | ||
| 15 | #define DUMUX_DISCRETIZATION_CC_TPFA_COMPUTE_TRANSMISSIBILITY_HH | ||
| 16 | |||
| 17 | #include <dune/common/typetraits.hh> | ||
| 18 | #include <dune/common/fmatrix.hh> | ||
| 19 | |||
| 20 | namespace Dumux { | ||
| 21 | |||
| 22 | /*! | ||
| 23 | * \ingroup CCTpfaDiscretization | ||
| 24 | * \brief Free function to evaluate the Tpfa transmissibility | ||
| 25 | * associated with the flux (in the form of flux = T*gradU) across a | ||
| 26 | * sub-control volume face stemming from a given sub-control | ||
| 27 | * volume with corresponding tensor T. | ||
| 28 | * | ||
| 29 | * \param fvGeometry The element-centered control volume geometry | ||
| 30 | * \param scvf The sub-control volume face | ||
| 31 | * \param scv The neighboring sub-control volume | ||
| 32 | * \param T The tensor living in the neighboring scv | ||
| 33 | * \param extrusionFactor The extrusion factor of the scv | ||
| 34 | */ | ||
| 35 | template< class FVElementGeometry, class Tensor > | ||
| 36 | 59862324 | typename Tensor::field_type computeTpfaTransmissibility(const FVElementGeometry& fvGeometry, | |
| 37 | const typename FVElementGeometry::SubControlVolumeFace& scvf, | ||
| 38 | const typename FVElementGeometry::SubControlVolume& scv, | ||
| 39 | const Tensor& T, | ||
| 40 | typename FVElementGeometry::SubControlVolume::Traits::Scalar extrusionFactor) | ||
| 41 | { | ||
| 42 | using GlobalPosition = typename FVElementGeometry::SubControlVolumeFace::Traits::GlobalPosition; | ||
| 43 | 59862324 | GlobalPosition Knormal; | |
| 44 | 119724648 | T.mv(scvf.unitOuterNormal(), Knormal); | |
| 45 | |||
| 46 | 59862324 | auto distanceVector = scvf.ipGlobal(); | |
| 47 | 119724648 | distanceVector -= scv.center(); | |
| 48 | distanceVector /= distanceVector.two_norm2(); | ||
| 49 | |||
| 50 | 59862324 | return (Knormal*distanceVector) * extrusionFactor; | |
| 51 | } | ||
| 52 | |||
| 53 | /*! | ||
| 54 | * \ingroup CCTpfaDiscretization | ||
| 55 | * \brief Free function to evaluate the Tpfa transmissibility | ||
| 56 | * associated with the flux (in the form of flux = T*gradU) across a | ||
| 57 | * sub-control volume face stemming from a given sub-control | ||
| 58 | * volume for the case where T is just a scalar | ||
| 59 | * | ||
| 60 | * \param fvGeometry The element-centered control volume geometry | ||
| 61 | * \param scvf The sub-control volume face | ||
| 62 | * \param scv The neighboring sub-control volume | ||
| 63 | * \param t The scalar quantity living in the neighboring scv | ||
| 64 | * \param extrusionFactor The extrusion factor of the scv | ||
| 65 | */ | ||
| 66 | template< class FVElementGeometry, | ||
| 67 | class Tensor, | ||
| 68 | typename std::enable_if_t<Dune::IsNumber<Tensor>::value, int> = 0 > | ||
| 69 | 1323701428 | Tensor computeTpfaTransmissibility(const FVElementGeometry& fvGeometry, | |
| 70 | const typename FVElementGeometry::SubControlVolumeFace& scvf, | ||
| 71 | const typename FVElementGeometry::SubControlVolume& scv, | ||
| 72 | Tensor t, | ||
| 73 | typename FVElementGeometry::SubControlVolumeFace::Traits::Scalar extrusionFactor) | ||
| 74 | { | ||
| 75 | 1408001142 | auto distanceVector = scvf.ipGlobal(); | |
| 76 |
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2816002284 | distanceVector -= scv.center(); |
| 77 | 1407995622 | distanceVector /= distanceVector.two_norm2(); | |
| 78 | |||
| 79 |
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2900307518 | return t * extrusionFactor * (distanceVector * scvf.unitOuterNormal()); |
| 80 | } | ||
| 81 | |||
| 82 | } // end namespace Dumux | ||
| 83 | |||
| 84 | #endif | ||
| 85 |