/usr/include/palabos/multiPhysics/multiPhaseTemplates3D.h is in libplb-dev 1.5~r1+repack1-2build2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /* This file is part of the Palabos library.
*
* Copyright (C) 2011-2015 FlowKit Sarl
* Route d'Oron 2
* 1010 Lausanne, Switzerland
* E-mail contact: contact@flowkit.com
*
* The most recent release of Palabos can be downloaded at
* <http://www.palabos.org/>
*
* The library Palabos is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* The library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Helper functions for the implementation of multi-phase models. This file is all
* about efficiency. The generic template code is specialized for commonly
* used Lattices, so that a maximum performance can be taken out of each
* case.
*/
#ifndef MULTI_PHASE_TEMPLATES_3D_H
#define MULTI_PHASE_TEMPLATES_3D_H
#include "core/globalDefs.h"
#include "core/cell.h"
#include "multiPhysics/shanChenLattices3D.h"
namespace plb {
/// Helper functions with full-lattice access
template<typename T, template<typename U> class Descriptor>
struct multiPhaseTemplates3D {
static void shanChenInteraction( BlockLattice3D<T,Descriptor>& lattice,
Array<T,Descriptor<T>::d>& rhoContribution,
plint iX, plint iY, plint iZ )
{
enum {
densityOffset = Descriptor<T>::ExternalField::densityBeginsAt
};
rhoContribution.resetToZero();
for (plint iPop = 0; iPop < Descriptor<T>::q; ++iPop) {
plint nextX = iX + Descriptor<T>::c[iPop][0];
plint nextY = iY + Descriptor<T>::c[iPop][1];
plint nextZ = iZ + Descriptor<T>::c[iPop][2];
Cell<T,Descriptor> const& cell = lattice.get(nextX,nextY,nextZ);
T rho = *cell.getExternal(densityOffset);
for (int iD = 0; iD < Descriptor<T>::d; ++iD) {
rhoContribution[iD] += Descriptor<T>::t[iPop] * rho * Descriptor<T>::c[iPop][iD];
}
}
}
};
template<typename T>
struct multiPhaseTemplates3D<T, descriptors::ForcedShanChenD3Q19Descriptor> {
typedef descriptors::ForcedShanChenD3Q19Descriptor<T> D;
static void shanChenInteraction (
BlockLattice3D<T,descriptors::ForcedShanChenD3Q19Descriptor>& lattice,
Array<T,D::d>& rhoContribution,
plint iX, plint iY, plint iZ )
{
enum {
densityOffset = D::ExternalField::densityBeginsAt
};
T rho;
rho = *lattice.get(iX-1,iY ,iZ ).getExternal(densityOffset);
rhoContribution[0] = -D::t[1] * rho;
rho = *lattice.get(iX ,iY-1,iZ ).getExternal(densityOffset);
rhoContribution[1] = -D::t[2] * rho;
rho = *lattice.get(iX ,iY ,iZ-1).getExternal(densityOffset);
rhoContribution[2] = -D::t[3] * rho;
rho = *lattice.get(iX-1,iY-1,iZ ).getExternal(densityOffset);
rhoContribution[0] -= D::t[4] * rho;
rhoContribution[1] -= D::t[4] * rho;
rho = *lattice.get(iX-1,iY+1,iZ ).getExternal(densityOffset);
rhoContribution[0] -= D::t[5] * rho;
rhoContribution[1] += D::t[5] * rho;
rho = *lattice.get(iX-1,iY ,iZ-1).getExternal(densityOffset);
rhoContribution[0] -= D::t[6] * rho;
rhoContribution[2] -= D::t[6] * rho;
rho = *lattice.get(iX-1,iY ,iZ+1).getExternal(densityOffset);
rhoContribution[0] -= D::t[7] * rho;
rhoContribution[2] += D::t[7] * rho;
rho = *lattice.get(iX ,iY-1,iZ-1).getExternal(densityOffset);
rhoContribution[1] -= D::t[8] * rho;
rhoContribution[2] -= D::t[8] * rho;
rho = *lattice.get(iX ,iY-1,iZ+1).getExternal(densityOffset);
rhoContribution[1] -= D::t[9] * rho;
rhoContribution[2] += D::t[9] * rho;
rho = *lattice.get(iX+1,iY ,iZ ).getExternal(densityOffset);
rhoContribution[0] += D::t[10] * rho;
rho = *lattice.get(iX ,iY+1,iZ ).getExternal(densityOffset);
rhoContribution[1] += D::t[11] * rho;
rho = *lattice.get(iX ,iY ,iZ+1).getExternal(densityOffset);
rhoContribution[2] += D::t[12] * rho;
rho = *lattice.get(iX+1,iY+1,iZ ).getExternal(densityOffset);
rhoContribution[0] += D::t[13] * rho;
rhoContribution[1] += D::t[13] * rho;
rho = *lattice.get(iX+1,iY-1,iZ ).getExternal(densityOffset);
rhoContribution[0] += D::t[14] * rho;
rhoContribution[1] -= D::t[14] * rho;
rho = *lattice.get(iX+1,iY ,iZ+1).getExternal(densityOffset);
rhoContribution[0] += D::t[15] * rho;
rhoContribution[2] += D::t[15] * rho;
rho = *lattice.get(iX+1,iY ,iZ-1).getExternal(densityOffset);
rhoContribution[0] += D::t[16] * rho;
rhoContribution[2] -= D::t[16] * rho;
rho = *lattice.get(iX ,iY+1,iZ+1).getExternal(densityOffset);
rhoContribution[1] += D::t[17] * rho;
rhoContribution[2] += D::t[17] * rho;
rho = *lattice.get(iX ,iY+1,iZ-1).getExternal(densityOffset);
rhoContribution[1] += D::t[18] * rho;
rhoContribution[2] -= D::t[18] * rho;
}
};
} // namespace plb
#endif // MULTI_PHASE_TEMPLATES_3D_H
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