summaryrefslogtreecommitdiff
path: root/src/functors/lattice/superLocalAverage3D.hh
diff options
context:
space:
mode:
Diffstat (limited to 'src/functors/lattice/superLocalAverage3D.hh')
-rw-r--r--src/functors/lattice/superLocalAverage3D.hh123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/functors/lattice/superLocalAverage3D.hh b/src/functors/lattice/superLocalAverage3D.hh
new file mode 100644
index 0000000..53b3a6b
--- /dev/null
+++ b/src/functors/lattice/superLocalAverage3D.hh
@@ -0,0 +1,123 @@
+/* This file is part of the OpenLB library
+ *
+ * Copyright (C) 2018 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 SUPER_LOCAL_AVERAGE_3D_HH
+#define SUPER_LOCAL_AVERAGE_3D_HH
+
+#include "superLocalAverage3D.h"
+#include "blockLocalAverage3D.h"
+#include "indicator/superIndicatorF3D.h"
+
+namespace olb {
+
+
+template<typename T, typename W>
+SuperLocalAverage3D<T,W>::SuperLocalAverage3D(
+ FunctorPtr<SuperF3D<T>>&& f,
+ FunctorPtr<SuperIndicatorF3D<T>>&& indicatorF,
+ T radius)
+ : SuperF3D<T,W>(f->getSuperStructure(), f->getTargetDim()),
+ _f(std::move(f)),
+ _indicatorF(std::move(indicatorF)),
+ _radius(radius)
+{
+ this->getName() = "LocalAverage(" + _f->getName() + ")";
+
+ LoadBalancer<T>& load = _f->getSuperStructure().getLoadBalancer();
+
+ if ( _f->getBlockFSize() == load.size() &&
+ _indicatorF->getBlockFSize() == load.size() ) {
+ for (int iC = 0; iC < load.size(); ++iC) {
+ this->_blockF.emplace_back(
+ new BlockLocalAverage3D<T,W>(_f->getBlockF(iC),
+ _indicatorF->getBlockIndicatorF(iC),
+ _radius)
+ );
+ }
+ }
+}
+
+template<typename T, typename W>
+bool SuperLocalAverage3D<T,W>::operator() (W output[], const int input[])
+{
+ const auto& geometry = this->getSuperStructure().getCuboidGeometry();
+ const auto& load = this->getSuperStructure().getLoadBalancer();
+
+ for (int i = 0; i < this->getTargetDim(); ++i) {
+ output[i] = 0.;
+ }
+
+ if (!_indicatorF(input)) {
+ return true;
+ }
+
+ T centerOfSphere[3];
+ geometry.getPhysR(centerOfSphere, input);
+ IndicatorSphere3D<T> analyticalSphere(centerOfSphere, _radius);
+ SuperIndicatorFfromIndicatorF3D<T> latticeSphere(
+ analyticalSphere,
+ _indicatorF->getSuperGeometry());
+
+ std::size_t voxels(0);
+ int inputTmp[4];
+
+ for (int iC = 0; iC < load.size(); ++iC) {
+ inputTmp[0] = load.glob(iC);
+ const auto& cuboid = geometry.get(inputTmp[0]);
+
+ for (inputTmp[1] = 0; inputTmp[1] < cuboid.getNx(); ++inputTmp[1]) {
+ for (inputTmp[2] = 0; inputTmp[2] < cuboid.getNy(); ++inputTmp[2]) {
+ for (inputTmp[3] = 0; inputTmp[3] < cuboid.getNz(); ++inputTmp[3]) {
+ if (latticeSphere(inputTmp) && _indicatorF(inputTmp)) {
+ T outputTmp[_f->getTargetDim()];
+ _f(outputTmp, inputTmp);
+ for (int i = 0; i < this->getTargetDim(); ++i) {
+ output[i] += outputTmp[i];
+ }
+ voxels += 1;
+ }
+ }
+ }
+ }
+ }
+
+#ifdef PARALLEL_MODE_MPI
+ singleton::mpi().reduceAndBcast(voxels, MPI_SUM);
+#endif
+
+ if (voxels > 0) {
+ for (int i = 0; i < this->getTargetDim(); ++i) {
+#ifdef PARALLEL_MODE_MPI
+ singleton::mpi().reduceAndBcast(output[i], MPI_SUM);
+#endif
+ output[i] /= voxels;
+ }
+ }
+
+ return true;
+}
+
+
+}
+
+#endif