interpolatedConvection3D.h

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/*  This file is part of the OpenLB library
 *
 *  Copyright (C) 2024 Yuji Shimojima
 *  E-mail contact: info@openlb.net
 *  The most recent release of OpenLB can be downloaded at
 *  <http://www.openlb.net/>
 *
 *  Generic version of the collision, which modifies the particle
 *  distribution functions, by Orestis Malaspinas.
 *
 *  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
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 *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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*/
 
#ifndef OLB_BOUNDARY_INTERPOLATED_CONVECTION_3D_H
#define OLB_BOUNDARY_INTERPOLATED_CONVECTION_3D_H
 
#include "interpolatedConvection.h"
#include "setBoundary.h"
 
namespace olb {
 
namespace boundary {
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR>
requires (DESCRIPTOR::d == 3)
struct InterpolatedConvection<T,DESCRIPTOR> {
  using value_t      = T;
  using descriptor_t = DESCRIPTOR;
 
  CellDistance getNeighborhoodRadius() { return 1; }
 
  std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
                                                           DiscreteNormal<DESCRIPTOR> n)
  {
    return std::nullopt;
  }
 
  std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
                                                                     DiscreteNormal<DESCRIPTOR> n)
  {
    switch (type) {
      case DiscreteNormalType::Flat:
        return boundaryhelper::promisePostProcessorForDirectionOrientation<
            T, DESCRIPTOR, StraightConvectionBoundaryProcessor3D>(n);
      default:
        return std::nullopt;
    }
  }
 
};
 
} // namespace boundary
 
} // namespace olb
 
#endif //OLB_BOUNDARY_INTERPOLATED_CONVECTION_3D_H