phaseFieldWall2D.h

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/*  This file is part of the OpenLB library
 *
 *  Copyright (C) 2024 Luiz Eduardo Czelusniak, Tim Bingert
 *  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.
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
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*/
 
//This file contains the Phase Field Wall 2D Boundaries
//This is a new version of the Boundary, which only contains free floating functions
 
#ifndef OLB_PHASE_FIELD_WALL_2D_H
#define OLB_PHASE_FIELD_WALL_2D_H
 
#include "setBoundary.h"
#include "phaseFieldWall.h"
#include "dynamics/phaseFieldCoupling.h"
 
namespace olb {
 
namespace boundary {
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct PhaseFieldWall<T,DESCRIPTOR,MixinDynamics> {
 
using value_t = T;
using descriptor_t = DESCRIPTOR;
 
CellDistance getNeighborhoodRadius() {
  return 2;
}
 
std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
                                                         DiscreteNormal<DESCRIPTOR> n) {
  switch (type) {
  case DiscreteNormalType::Flat:
    return meta::id<MixinDynamics>();
 
  default:
    return std::nullopt;
  }
}
 
std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
                                                                   DiscreteNormal<DESCRIPTOR> n) {
  switch (type) {
  case DiscreteNormalType::Flat:
    return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,GeometricPhaseFieldWallProcessor2D>(n);
 
  default:
    return std::nullopt;
  }
}
 
};
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct PhaseFieldCurvedWall<T,DESCRIPTOR,MixinDynamics> {
 
using value_t = T;
using descriptor_t = DESCRIPTOR;
 
CellDistance getNeighborhoodRadius() {
  return 1;
}
 
std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
                                                         DiscreteNormal<DESCRIPTOR> n) {
  return meta::id<MixinDynamics>();
}
 
std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
                                                                   DiscreteNormal<DESCRIPTOR> n) {
  switch (type) {
  case DiscreteNormalType::Flat:
    if (n[0] == 0 && n[1] == 0) {
      return meta::id<GeometricPhaseFieldCurvedWallProcessor2D<T,DESCRIPTOR>>();
    }
    return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,IsoPhaseFieldCurvedWallProcessor2D>(n);
 
  case DiscreteNormalType::ExternalCorner:
    return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,IsoPhaseFieldCurvedWallProcessor2D>(n);
 
  case DiscreteNormalType::InternalCorner:
    return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,IsoPhaseFieldCurvedWallProcessor2D>(n);
 
  default:
    return meta::id<GeometricPhaseFieldCurvedWallProcessor2D<T,DESCRIPTOR>>();
  }
}
 
};
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct WellBalancedWall<T,DESCRIPTOR,MixinDynamics> {
 
  using value_t = T;
  using descriptor_t = DESCRIPTOR;
 
  CellDistance getNeighborhoodRadius() {
    return 1;
  }
 
  std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
  DiscreteNormal<DESCRIPTOR> n) {
    switch (type) {
    case DiscreteNormalType::Flat:
      return meta::id<MixinDynamics>();
 
    default:
      return std::nullopt;
    }
  }
 
  std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
  DiscreteNormal<DESCRIPTOR> n) {
    switch (type) {
    case DiscreteNormalType::Flat:
      return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,WellBalancedWallProcessor2D>(n);
 
    default:
      return std::nullopt;
    }
  }
 
};
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct FreeEnergyWallMomentum<T,DESCRIPTOR,MixinDynamics> {
 
using value_t = T;
using descriptor_t = DESCRIPTOR;
 
CellDistance getNeighborhoodRadius() {
  return 1;
}
 
std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
                                                         DiscreteNormal<DESCRIPTOR> n) {
  return meta::id<MixinDynamics>();
}
 
std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
                                                                   DiscreteNormal<DESCRIPTOR> n) {
  return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,FreeEnergyWallMomentumProcessor2D>(n);
}
 
};
 
template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct FreeEnergyWallOrderParameter<T,DESCRIPTOR,MixinDynamics> {
 
using value_t = T;
using descriptor_t = DESCRIPTOR;
 
CellDistance getNeighborhoodRadius() {
  return 1;
}
 
std::optional<DynamicsPromise<T,DESCRIPTOR>> getDynamics(DiscreteNormalType type,
                                                         DiscreteNormal<DESCRIPTOR> n) {
  return meta::id<MixinDynamics>();
}
 
std::optional<PostProcessorPromise<T,DESCRIPTOR>> getPostProcessor(DiscreteNormalType type,
                                                                   DiscreteNormal<DESCRIPTOR> n) {
  return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,FreeEnergyWallOrderParameterProcessor2D>(n);
}
 
};
 
/*template <concepts::BaseType T, concepts::LatticeDescriptor DESCRIPTOR, typename MixinDynamics>
requires (DESCRIPTOR::d == 2)
struct SignedDistanceBoundary<T,DESCRIPTOR,MixinDynamics> {
 
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) {
  return boundaryhelper::promisePostProcessorForNormal<T,DESCRIPTOR,normGradPsiBoundary2D>(n);
}
 
};*/
 
}
 
}
 
#endif