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/* This file is part of the OpenLB library
*
* Copyright (C) 2013-2018 Mathias Krause, Albert Mink, Adrian Kummerlaender
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef BLOCK_GEOMETRY_FACES_3D_HH
#define BLOCK_GEOMETRY_FACES_3D_HH
#include "blockGeometryFaces3D.h"
namespace olb {
template <typename T>
BlockGeometryFaces3D<T>::BlockGeometryFaces3D(BlockIndicatorF3D<T>& indicatorF, T latticeL)
: BlockF3D<T>(indicatorF.getBlockStructure(), 7),
_indicatorF(indicatorF),
_latticeL(latticeL)
{
this->getName() = "blockGeometryFaces";
}
template <typename T>
bool BlockGeometryFaces3D<T>::operator() (T output[], const int input[])
{
for (int i=0; i<7; ++i) {
output[i] = T();
}
std::size_t counter[7] = {0};
if (!_indicatorF.isEmpty()) {
auto& blockGeometry = _indicatorF.getBlockGeometryStructure();
const Vector<int,3> min = _indicatorF.getMin();
const Vector<int,3> max = _indicatorF.getMax();
// Iterate over all cells and count the cells of the face
for (int iX = min[0]; iX <= max[0]; ++iX) {
for (int iY = min[1]; iY <= max[1]; ++iY) {
for (int iZ = min[2]; iZ <= max[2]; ++iZ) {
// Lock at solid nodes only
if (_indicatorF(iX, iY, iZ)) {
if (blockGeometry.getMaterial(iX-1, iY, iZ) == 1) {
counter[0]++;
}
if (blockGeometry.getMaterial(iX, iY-1, iZ) == 1) {
counter[1]++;
}
if (blockGeometry.getMaterial(iX, iY, iZ-1) == 1) {
counter[2]++;
}
if (blockGeometry.getMaterial(iX+1, iY, iZ) == 1) {
counter[3]++;
}
if (blockGeometry.getMaterial(iX, iY+1, iZ) == 1) {
counter[4]++;
}
if (blockGeometry.getMaterial(iX, iY, iZ+1) == 1) {
counter[5]++;
}
}
}
}
}
const T dx2 = _latticeL*_latticeL;
for (int i=0; i<6; ++i) {
output[i] = (T) counter[i] * dx2;
output[6] += (T) counter[i] * dx2;
}
}
return true;
}
}
#endif
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