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/* This file is part of the OpenLB library
*
* Copyright (C) 2006, 2007 Jonas Latt
* 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.
*/
/** \file
* Implementation of boundary cell dynamics -- header file.
*/
#ifndef ADE_MOMENTA_ON_BOUNDARIES_H
#define ADE_MOMENTA_ON_BOUNDARIES_H
#include "dynamics/dynamics.h"
#include "dynamics/advectionDiffusionMomenta.h"
#include "core/util.h"
#include "core/cell.h"
namespace olb {
/// Computation of velocity momenta on a velocity boundary
template<typename T, typename DESCRIPTOR>
class AdvectionDiffusionBoundaryMomenta : virtual public AdvectionDiffusionBulkMomenta<T,DESCRIPTOR> {
public:
virtual void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const =0;
};
/// Computation of velocity momenta on a velocity boundary
template<typename T, typename DESCRIPTOR, int direction, int orientation>
class RegularizedTemperatureBM : public AdvectionDiffusionBoundaryMomenta<T,DESCRIPTOR> {
public:
/// Default Constructor: initialization to u=0, rho=1
RegularizedTemperatureBM(const T temperature = 0.5);
T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
void computeJ( Cell<T,DESCRIPTOR> const& cell, T j[DESCRIPTOR::d] ) const override;
void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const override;
void defineRho(Cell<T,DESCRIPTOR>& cell, T rho) override;
void defineRhoU (Cell<T,DESCRIPTOR>& cell, T rho, const T u[DESCRIPTOR::d]) override;
private:
T _temperature;
};
/// Computation of velocity momenta on a velocity boundary
template<typename T, typename DESCRIPTOR, int direction, int orientation>
class RegularizedHeatFluxBM : public AdvectionDiffusionBoundaryMomenta<T,DESCRIPTOR> {
public:
/// Default Constructor: initialization to u=0, rho=1
RegularizedHeatFluxBM(T *heatFlux = nullptr);
T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
void computeJ( Cell<T,DESCRIPTOR> const& cell, T j[DESCRIPTOR::d] ) const override;
void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const override;
private:
T _heatFlux[DESCRIPTOR::d];
};
} // namespace olb
#endif
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