blockIndicatorF3D.hh

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/*  This file is part of the OpenLB library
 *
 *  Copyright (C) 2017 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_INDICATOR_F_3D_HH
#define BLOCK_INDICATOR_F_3D_HH
 
#include <algorithm>
 
#include "blockIndicatorF3D.h"
#include "core/util.h"
 
namespace olb {
 
template <typename T>
BlockIndicatorFfromIndicatorF3D<T>::BlockIndicatorFfromIndicatorF3D(
  IndicatorF3D<T>& indicatorF, BlockGeometry<T,3>& blockGeometry)
  : BlockIndicatorF3D<T>(blockGeometry),
    _indicatorF(indicatorF)
{ }
 
template <typename T>
bool BlockIndicatorFfromIndicatorF3D<T>::operator() (bool output[], const int input[])
{
  T physR[3];
  this->_block.getPhysR(physR,input);
  return _indicatorF(output,physR);
}
 
template <typename T>
Vector<int,3> BlockIndicatorFfromIndicatorF3D<T>::getMin()
{
  const Vector<T,3> min = _indicatorF.getMin();
  return Vector<int,3> {
    static_cast<int>(util::floor(min[0])),
    static_cast<int>(util::floor(min[1])),
    static_cast<int>(util::floor(min[2]))
  };
}
 
template <typename T>
Vector<int,3> BlockIndicatorFfromIndicatorF3D<T>::getMax()
{
  const Vector<T,3> max = _indicatorF.getMax();
  return Vector<int,3> {
    static_cast<int>(util::ceil(max[0])),
    static_cast<int>(util::ceil(max[1])),
    static_cast<int>(util::ceil(max[2]))
  };
}
 
 
template <typename T, bool HLBM>
BlockIndicatorFfromSmoothIndicatorF3D<T, HLBM>::BlockIndicatorFfromSmoothIndicatorF3D(
  SmoothIndicatorF3D<T,T,HLBM>& indicatorF, BlockGeometry<T,3>& blockGeometry)
  : BlockIndicatorF3D<T>(blockGeometry),
    _indicatorF(indicatorF)
{ }
 
template <typename T, bool HLBM>
bool BlockIndicatorFfromSmoothIndicatorF3D<T,HLBM>::operator() (bool output[], const int input[])
{
  T physR[3];
  T inside[1];
  this->_block.getPhysR(physR,input);
  _indicatorF(inside, physR);
  return !util::nearZero(inside[0]);
}
 
template <typename T, bool HLBM>
Vector<int,3> BlockIndicatorFfromSmoothIndicatorF3D<T, HLBM>::getMin()
{
  const T min = -_indicatorF.getCircumRadius();
  return Vector<int,3> {
    static_cast<int>(util::floor(min)),
    static_cast<int>(util::floor(min)),
    static_cast<int>(util::floor(min))
  };
}
 
template <typename T, bool HLBM>
Vector<int,3> BlockIndicatorFfromSmoothIndicatorF3D<T, HLBM>::getMax()
{
  const T max = _indicatorF.getCircumRadius();
  return Vector<int,3> {
    static_cast<int>(util::ceil(max)),
    static_cast<int>(util::ceil(max)),
    static_cast<int>(util::ceil(max))
  };
}
 
 
template <typename T>
BlockIndicatorMaterial3D<T>::BlockIndicatorMaterial3D(
  BlockGeometry<T,3>& blockGeometry, std::vector<int> materials)
  : BlockIndicatorF3D<T>(blockGeometry),
    _materials(materials)
{ }
 
template <typename T>
BlockIndicatorMaterial3D<T>::BlockIndicatorMaterial3D(
  BlockGeometry<T,3>& blockGeometry, std::list<int> materials)
  : BlockIndicatorMaterial3D(blockGeometry,
                             std::vector<int>(materials.begin(), materials.end()))
{ }
 
template <typename T>
BlockIndicatorMaterial3D<T>::BlockIndicatorMaterial3D(
  BlockGeometry<T,3>& blockGeometry, int material)
  : BlockIndicatorMaterial3D(blockGeometry, std::vector<int>(1,material))
{ }
 
template <typename T>
bool BlockIndicatorMaterial3D<T>::operator() (bool output[], const int input[])
{
  // read material number explicitly using the const version
  // of BlockGeometry<T,3>::get to avoid resetting geometry
  // statistics:
  const auto& blockGeometry = this->getBlockGeometry();
  const int current = blockGeometry.getMaterial({input[0], input[1], input[2]});
  output[0] = std::any_of(_materials.cbegin(),
                          _materials.cend(),
  [current](int material) {
    return current == material;
  });
 
  return true;
}
 
template <typename T>
bool BlockIndicatorMaterial3D<T>::isEmpty()
{
  auto& statistics = this->getBlockGeometry().getStatistics();
 
  return std::none_of(_materials.cbegin(), _materials.cend(),
  [&statistics](int material) -> bool {
    return statistics.getNvoxel(material) > 0;
  });
}
 
template <typename T>
Vector<int,3> BlockIndicatorMaterial3D<T>::getMin()
{
  auto& blockGeometry = this->getBlockGeometry();
  auto& statistics    = blockGeometry.getStatistics();
 
  Vector<int,3> globalMin{
    blockGeometry.getNx()+blockGeometry.getPadding()-1,
    blockGeometry.getNy()+blockGeometry.getPadding()-1,
    blockGeometry.getNz()+blockGeometry.getPadding()-1,
  };
 
  for ( int material : _materials ) {
    if ( statistics.getNvoxel(material) > 0 ) {
      const Vector<int,3> localMin = statistics.getMinLatticeR(material);
      for ( int d = 0; d < 3; ++d ) {
        globalMin[d] = localMin[d] < globalMin[d] ? localMin[d] : globalMin[d];
      }
    }
  }
 
  return globalMin;
}
 
template <typename T>
Vector<int,3> BlockIndicatorMaterial3D<T>::getMax()
{
  auto& statistics = this->getBlockGeometry().getStatistics();
 
  Vector<int,3> globalMax = -this->getBlockGeometry().getPadding();
 
  for ( int material : _materials ) {
    if ( statistics.getNvoxel(material) > 0 ) {
      const Vector<int,3> localMax = statistics.getMaxLatticeR(material);
      for ( int d = 0; d < 3; ++d ) {
        globalMax[d] = localMax[d] > globalMax[d] ? localMax[d] : globalMax[d];
      }
    }
  }
 
  return globalMax;
}
 
template <typename T>
BlockIndicatorLayer3D<T>::BlockIndicatorLayer3D(BlockIndicatorF3D<T>& indicatorF)
  : BlockIndicatorF3D<T>(indicatorF.getBlockGeometry()),
    _indicatorF(indicatorF)
{ }
 
template <typename T>
bool BlockIndicatorLayer3D<T>::operator() (bool output[], const int input[])
{
  _indicatorF(output, input);
  for (int iPop=1; iPop < descriptors::D3Q27<>::q; ++iPop) {
    bool tmpOutput{};
    Vector<int,3> tmpInput(input);
    tmpInput += descriptors::c<descriptors::D3Q27<>>(iPop);
    _indicatorF(&tmpOutput, tmpInput.data());
    output[0] |= tmpOutput;
  }
  return true;
}
 
template <typename T>
Vector<int,3> BlockIndicatorLayer3D<T>::getMin()
{
  return _indicatorF.getMin()-1;
}
 
template <typename T>
Vector<int,3> BlockIndicatorLayer3D<T>::getMax()
{
  return _indicatorF.getMax()+1;
}
 
template <typename T>
BlockIndicatorIdentity3D<T>::BlockIndicatorIdentity3D(BlockIndicatorF3D<T>& indicatorF)
  : BlockIndicatorF3D<T>(indicatorF.getBlockGeometry()),
    _indicatorF(indicatorF)
{ }
 
template <typename T>
bool BlockIndicatorIdentity3D<T>::operator() (bool output[], const int input[])
{
  return _indicatorF(output, input);
}
 
template <typename T>
Vector<int,3> BlockIndicatorIdentity3D<T>::getMin()
{
  return _indicatorF.getMin();
}
 
template <typename T>
Vector<int,3> BlockIndicatorIdentity3D<T>::getMax()
{
  return _indicatorF.getMax();
}
 
 
template <typename T>
BlockIndicatorMultiplication3D<T>::BlockIndicatorMultiplication3D(
  BlockIndicatorF3D<T>& f, BlockIndicatorF3D<T>& g)
  : BlockIndicatorF3D<T>(f.getBlockGeometry()),
    _f(f), _g(g)
{ }
 
template <typename T>
bool BlockIndicatorMultiplication3D<T>::operator() (bool output[], const int input[])
{
  _f(output, input);
  if (output[0]) {
    _g(output, input);
  }
  return output[0];
}
 
template <typename T>
Vector<int,3> BlockIndicatorMultiplication3D<T>::getMin()
{
  auto resF = _f.getMin();
  auto resG = _g.getMin();
  return {util::max(resF[0], resG[0]),
    util::max(resF[1], resG[1]),
    util::max(resF[2], resG[2])};
}
 
template <typename T>
Vector<int,3> BlockIndicatorMultiplication3D<T>::getMax()
{
  auto resF = _f.getMax();
  auto resG = _g.getMax();
  return {util::min(resF[0], resG[0]),
    util::min(resF[1], resG[1]),
    util::min(resF[2], resG[2])};
}
 
 
template <typename T>
BlockIndicatorBoundaryNeighbor3D<T>::BlockIndicatorBoundaryNeighbor3D(BlockIndicatorF3D<T>& indicatorF, int overlap)
  : BlockIndicatorF3D<T>(indicatorF.getBlockGeometry()),
    _indicatorF(indicatorF),
    _overlap(overlap)
{ }
 
template <typename T>
bool BlockIndicatorBoundaryNeighbor3D<T>::operator() (bool output[], const int input[])
{
  // check if current position is not solid
  if ( this->getBlockGeometry().getMaterial(input[0],input[1],input[2]) != 0 ) {
    // check all neighbors if they are part of boundary via indicator
    for ( int iXo = -_overlap; iXo <= _overlap; ++iXo ) {
      for ( int iYo = -_overlap; iYo <= _overlap; ++iYo ) {
        for ( int iZo = -_overlap; iZo <= _overlap; ++iZo ) {
          const int neighborPos[3] = {iXo + input[0], iYo + input[1], iZo + input[2]};
          bool partOfBoundary[1] = {false};
          // material-indicator to check if part of boundary
          _indicatorF( partOfBoundary, neighborPos );
          if ( partOfBoundary[0] ) {
            return true;
          }
        }
      }
    }
  }
  return false;
}
 
template <typename T>
Vector<int,3> BlockIndicatorBoundaryNeighbor3D<T>::getMin()
{
  return _indicatorF.getMin() - _overlap;
}
 
template <typename T>
Vector<int,3> BlockIndicatorBoundaryNeighbor3D<T>::getMax()
{
  return _indicatorF.getMax() + _overlap;
}
 
} // namespace olb
 
#endif