/usr/include/palabos/complexDynamics/utilAdvectionDiffusion.h is in libplb-dev 1.5~r1+repack1-2build2.
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*
* 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/>.
*/
/* Main author: Orestis Malaspinas
*/
/** \file A helper for initialising 3D boundaries -- header file. */
#ifndef UTIL_ADVECTION_DIFFUSION_H
#define UTIL_ADVECTION_DIFFUSION_H
#include "core/globalDefs.h"
namespace plb {
namespace utilAdvDiff {
/// finds the indexes outgoing from a 2D-3D flat wall (unknowns)
template <typename Descriptor, int direction, int orientation>
class SubIndexOutgoing{
private:
SubIndexOutgoing()
{
int normalX,normalY,normalZ;
typedef Descriptor L;
switch(direction)
{
case 0:
{
if(orientation==1)
normalX= 1;
else
normalX=-1;
normalY=0;
normalZ=0;
break;
}
case 1:
{
if(orientation==1)
normalY= 1;
else
normalY=-1;
normalX=0;
normalZ=0;
break;
}
case 2:
{
if(orientation==1)
normalZ= 1;
else
normalZ=-1;
normalX=0;
normalY=0;
break;
}
}
// I define the dimension of Normal Vec=3 to make this routine usable for 2D and 3D flat walls
std::vector<plint> NormalVec (3,0);
NormalVec[0]=normalX;
NormalVec[1]=normalY;
NormalVec[2]=normalZ;
// add zero velocity
//knownIndexes.push_back(0);
// compute scalar product with boundary normal for all other velocities
for (plint iPop=1; iPop<L::q; ++iPop) {
plint sum=0;
for(int id=0; id<L::d; ++id){
sum += L::c[iPop][id]*NormalVec[id];
}
if (sum<0){
indices.push_back(iPop);
}
}
}
std::vector<plint> indices;
template <typename Descriptor_, int direction_, int orientation_>
friend std::vector<plint> const& subIndexOutgoing();
};
template <typename Descriptor, int direction, int orientation>
std::vector<plint> const& subIndexOutgoing() {
static SubIndexOutgoing<Descriptor, direction, orientation> subIndexOutgoingSingleton;
return subIndexOutgoingSingleton.indices;
}
// For Egdges
template <typename Descriptor, int plane, int normal1, int normal2>
class SubIndexOutgoing3DonEdges{
private:
SubIndexOutgoing3DonEdges()
{
int normalX,normalY,normalZ;
typedef Descriptor L;
switch(plane)
{
case 0:
{
normalX=0;
if(normal1==1)
normalY= 1;
else
normalY=-1;
if(normal2==1)
normalZ= 1;
else
normalZ=-1;
break;
}
case 1:
{
normalY=0;
if(normal1==1)
normalX= 1;
else
normalX=-1;
if(normal2==1)
normalZ= 1;
else
normalZ=-1;
break;
}
case 2:
{
normalZ=0;
if(normal1==1)
normalX= 1;
else
normalX=-1;
if(normal2==1)
normalY= 1;
else
normalY=-1;
break;
}
}
// add zero velocity
//knownIndexes.push_back(0);
// compute scalar product with boundary normal for all other velocities
for (plint iP=1; iP<L::q; ++iP)
{
if ((L::c[iP][0]*normalX + L::c[iP][1]*normalY + L::c[iP][2]*normalZ) < 0)
{
indices.push_back(iP);
}
}
}
std::vector<plint> indices;
template <typename Descriptor_, int plane_, int normal1_, int normal2_>
friend std::vector<plint> const& subIndexOutgoing3DonEdges();
};
template <typename Descriptor, int plane, int normal1, int normal2>
std::vector<plint> const& subIndexOutgoing3DonEdges() {
static SubIndexOutgoing3DonEdges<Descriptor, plane, normal1, normal2> subIndexOutgoing3DonEdgesSingleton;
return subIndexOutgoing3DonEdgesSingleton.indices;
}
// For 3D Corners
template <typename Descriptor, int normalX, int normalY, int normalZ>
class SubIndexOutgoing3DonCorners{
private:
SubIndexOutgoing3DonCorners()
{
typedef Descriptor L;
// add zero velocity
//knownIndexes.push_back(0);
// compute scalar product with boundary normal for all other velocities
for (plint iP=1; iP<L::q; ++iP) {
if (L::c[iP][0]*normalX + L::c[iP][1]*normalY + L::c[iP][2]*normalZ<0) {
indices.push_back(iP);
}
}
}
std::vector<plint> indices;
template <typename Descriptor_, int normalX_, int normalY_, int normalZ_>
friend std::vector<plint> const& subIndexOutgoing3DonCorners();
};
template <typename Descriptor, int normalX, int normalY, int normalZ>
std::vector<plint> const& subIndexOutgoing3DonCorners() {
static SubIndexOutgoing3DonCorners<Descriptor, normalX, normalY, normalZ> subIndexOutgoing3DonCornersSingleton;
return subIndexOutgoing3DonCornersSingleton.indices;
}
// For 2D Corners
template <typename Descriptor, int normalX, int normalY>
class SubIndexOutgoing2DonCorners{
private:
SubIndexOutgoing2DonCorners()
{
typedef Descriptor L;
// add zero velocity
//knownIndexes.push_back(0);
// compute scalar product with boundary normal for all other velocities
for (plint iPop=1; iPop<L::q; ++iPop) {
if (L::c[iPop][0]*normalX + L::c[iPop][1]*normalY<0) {
indices.push_back(iPop);
}
}
}
std::vector<plint> indices;
template <typename Descriptor_, int normalX_, int normalY_>
friend std::vector<plint> const& subIndexOutgoing2DonCorners();
};
template <typename Descriptor, int normalX, int normalY>
std::vector<plint> const& subIndexOutgoing2DonCorners() {
static SubIndexOutgoing2DonCorners<Descriptor, normalX, normalY> subIndexOutgoing2DonCornersSingleton;
return subIndexOutgoing2DonCornersSingleton.indices;
}
} // utilAdvDiff
} //olb
#endif
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