setFreeEnergyInletBoundary2D.hh

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/*  This file is part of the OpenLB library
 *
 *  Copyright (C) 2020 Alexander Schulz
 *  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
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*/
 
//This file contains the Free Energy Inlet Boundary
//This is a new version of the Boundary, which only contains free floating functions
#ifndef SET_FREE_ENERGY_INLET_BOUNDARY_2D_HH
#define SET_FREE_ENERGY_INLET_BOUNDARY_2D_HH
 
#include "setFreeEnergyInletBoundary2D.h"
 
namespace olb {
 
template<typename T, typename DESCRIPTOR, typename MixinDynamics>
void setFreeEnergyInletBoundary(SuperLattice<T, DESCRIPTOR>& sLattice, T omega, SuperGeometry<T,2>& superGeometry, int material, std::string type, int latticeNumber)
{
  setFreeEnergyInletBoundary<T,DESCRIPTOR, MixinDynamics>(sLattice, omega, superGeometry.getMaterialIndicator(material), type, latticeNumber);
}
 
template<typename T, typename DESCRIPTOR, typename MixinDynamics>
void setFreeEnergyInletBoundary(SuperLattice<T, DESCRIPTOR>& sLattice, T omega, FunctorPtr<SuperIndicatorF2D<T>>&& indicator, std::string type, int latticeNumber)
{
  OstreamManager clout(std::cout, "setFreeEnergyInletBoundary");
  bool includeOuterCells = false;
  int _overlap = 1;
  if (indicator->getSuperGeometry().getOverlap() == 1) {
    includeOuterCells = true;
    clout << "WARNING: overlap == 1, boundary conditions set on overlap despite unknown neighbor materials" << std::endl;
  }
  for (int iCloc = 0; iCloc < sLattice.getLoadBalancer().size(); ++iCloc) {
    setFreeEnergyInletBoundary<T,DESCRIPTOR, MixinDynamics>(sLattice.getBlock(iCloc), omega,
        indicator->getBlockIndicatorF(iCloc), type, latticeNumber, includeOuterCells);
  }
  addPoints2CommBC<T,DESCRIPTOR>(sLattice, std::forward<decltype(indicator)>(indicator), _overlap);
}
 
template<typename T, typename DESCRIPTOR, typename MixinDynamics>
void setFreeEnergyInletBoundary(BlockLattice<T,DESCRIPTOR>& block,T omega, BlockIndicatorF2D<T>& indicator, std::string type,
                                int latticeNumber, bool includeOuterCells)
{
  bool _output = false;
  OstreamManager clout(std::cout, "setFreeEnergyInletBoundary");
  auto& blockGeometryStructure = indicator.getBlockGeometry();
  const int margin = includeOuterCells ? 0 : 1;
  std::vector<int> discreteNormal(3, 0);
  blockGeometryStructure.forSpatialLocations([&](auto iX, auto iY) {
    if (blockGeometryStructure.getNeighborhoodRadius({iX, iY}) >= margin
        && indicator(iX, iY)) {
      discreteNormal = blockGeometryStructure.getStatistics().getType(iX,iY);
      if (discreteNormal[0] == 0) {
        Dynamics<T, DESCRIPTOR>* dynamics = nullptr;
        if (discreteNormal[1] == -1) {
 
          if (latticeNumber == 1) {
            //set momenta and dynamics for a pressure boundary on indicated cells
            if (type == "density") {
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedPressureBoundaryTuple<0,-1>>>();
            }
            else {
              //set momenta and dynamics for a velocity boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedVelocityBoundaryTuple<0,-1>>>();
            }
            block.defineDynamics({iX, iY}, dynamics);
          }
          else {
            dynamics = block.template getDynamics<FreeEnergyInletOutletDynamics<T,DESCRIPTOR,0,-1>>();
            block.defineDynamics({iX, iY}, dynamics);
          }
        }
 
        else if (discreteNormal[1] == 1) {
          if (latticeNumber == 1) {
            if (type == "density") {
              //set momenta and dynamics for a pressure boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedPressureBoundaryTuple<0,1>>>();
            }
            else {
              //set momenta and dynamics for a velocity boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedVelocityBoundaryTuple< 0,1>>>();
            }
            block.defineDynamics({iX, iY}, dynamics);
          }
          else {
            dynamics = block.template getDynamics<FreeEnergyInletOutletDynamics<T,DESCRIPTOR,0,1>>();
            block.defineDynamics({iX, iY}, dynamics);
          }
        }
 
        else if (discreteNormal[2] == -1) {
          if (latticeNumber == 1) {
            if (type == "density") {
              //set momenta and dynamics for a pressure boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedPressureBoundaryTuple< 1,-1>>>();
            }
            else {
              //set momenta and dynamics for a velocity boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR,
                MixinDynamics, momenta::RegularizedVelocityBoundaryTuple< 1,-1>>>();
            }
            block.defineDynamics({iX, iY}, dynamics);
          }
          else {
            dynamics = block.template getDynamics<FreeEnergyInletOutletDynamics<T,DESCRIPTOR,1,-1>>();
            block.defineDynamics({iX, iY}, dynamics);
          }
        }
 
        else if (discreteNormal[2] == 1) {
          if (latticeNumber == 1) {
            if (type == "density") {
              //set momenta and dynamics for a pressure boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR, MixinDynamics,
                momenta::RegularizedPressureBoundaryTuple< 1,1>>>();
            }
            else {
              //set momenta and dynamics for a velocity boundary on indicated cells
              dynamics = block.template getDynamics<CombinedRLBdynamics<T,DESCRIPTOR, MixinDynamics,
                momenta::RegularizedVelocityBoundaryTuple< 1,1>>>();
            }
            block.defineDynamics({iX, iY}, dynamics);
          }
          else {
            dynamics = block.template getDynamics<FreeEnergyInletOutletDynamics<T,DESCRIPTOR,1,1>>();
            block.defineDynamics({iX, iY}, dynamics);
          }
        }
 
        if (latticeNumber != 1) {
          block.defineDynamics({iX, iY}, dynamics);
        }
 
        if ( latticeNumber == 1){
                block.addPostProcessor(
          typeid(stage::PostStream), {iX, iY},
          olb::boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR, FreeEnergyChemPotBoundaryProcessor2DA>(
            Vector<int,2>(discreteNormal.data() + 1)));
        } else {
                block.addPostProcessor(
          typeid(stage::PostStream), {iX, iY},
          olb::boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR, FreeEnergyChemPotBoundaryProcessor2DB>(
            Vector<int,2>(discreteNormal.data() + 1)));
        }
 
        dynamics->getParameters(block).template set<descriptors::OMEGA>(omega);
        //sets the boundary on any indicated cell
        //located in setLocalVelocityBoundary2D.h/hh
        setBoundary(block, iX,iY, dynamics);
 
        if (_output) {
          clout << "setFreeEnergyInletBoundary<" << "," << ">("  << iX << ", "<< iY << ")" << std::endl;
        }
 
      }
    }
  });
}
 
}//namespace olb
#endif