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/* This file is part of the OpenLB library
*
* Copyright (C) 2008 Orestis Malaspinas, Andrea Parmigiani
* 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
* A collection of dynamics classes (e.g. BGK) with which a Cell object
* can be instantiated -- header file.
*/
#ifndef ADVECTION_DIFFUSION_MOMENTA_H
#define ADVECTION_DIFFUSION_MOMENTA_H
#include "latticeDescriptors.h"
#include "dynamics.h"
namespace olb {
/// Standard computation of velocity momenta in the bulk
template<typename T, typename DESCRIPTOR>
struct AdvectionDiffusionBulkMomenta : public Momenta<T,DESCRIPTOR> {
/// Compute particle density on the cell.
T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
/// Compute fluid velocity on the cell.
void computeU (
Cell<T,DESCRIPTOR> const& cell,
T u[DESCRIPTOR::d] ) const override;
/// Compute fluid momentum on the cell.
void computeJ (
Cell<T,DESCRIPTOR> const& cell,
T j[DESCRIPTOR::d] ) const override;
/// Compute components of the stress tensor on the cell.
void computeStress (
Cell<T,DESCRIPTOR> const& cell,
T rho, const T u[DESCRIPTOR::d],
T pi[util::TensorVal<DESCRIPTOR >::n] ) const override;
/// Compute fluid velocity and particle density on the cell.
void computeRhoU (
Cell<T,DESCRIPTOR> const& cell,
T& rho, T u[DESCRIPTOR::d]) const override;
/// Compute all momenta on the cell, up to second order.
void computeAllMomenta (
Cell<T,DESCRIPTOR> const& cell,
T& rho, T u[DESCRIPTOR::d],
T pi[util::TensorVal<DESCRIPTOR >::n] ) const override;
/// Set particle density on the cell.
void defineRho(Cell<T,DESCRIPTOR>& cell, T rho) override;
/// Set fluid velocity on the cell.
void defineU(Cell<T,DESCRIPTOR>& cell,
const T u[DESCRIPTOR::d]) override;
/// Define fluid velocity and particle density on the cell.
void defineRhoU (
Cell<T,DESCRIPTOR>& cell,
T rho, const T u[DESCRIPTOR::d]) override;
/// Define all momenta on the cell, up to second order.
void defineAllMomenta (
Cell<T,DESCRIPTOR>& cell,
T rho, const T u[DESCRIPTOR::d],
const T pi[util::TensorVal<DESCRIPTOR >::n] ) override;
};
namespace instances {
template<typename T, typename DESCRIPTOR>
AdvectionDiffusionBulkMomenta<T,DESCRIPTOR>& getAdvectionDiffusionBulkMomenta();
}
}
#endif
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