/usr/include/palabos/multiPhysics/interparticlePotential.h is in libplb-dev 1.5~r1+repack1-2build2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /* This file is part of the Palabos library.
*
* Copyright (C) 2011-2015 FlowKit Sarl
* Route d'Oron 2
* 1010 Lausanne, Switzerland
* E-mail contact: contact@flowkit.com
*
* The most recent release of Palabos can be downloaded at
* <http://www.palabos.org/>
*
* The library Palabos is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* The library 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INTERPARTICLE_POTENTIAL_H
#define INTERPARTICLE_POTENTIAL_H
#include "core/globalDefs.h"
#include <cmath>
namespace plb {
/// Interaction potentials which depend only on the density rho
namespace interparticlePotential {
/// Interface for the interaction potential ("psi function") for single-component multi-phase Shan/Chen
template<typename T>
struct PsiFunction {
virtual ~PsiFunction();
virtual T compute(T rho) const =0;
virtual PsiFunction<T>* clone() const =0;
};
template<typename T>
class PsiIsRho : public PsiFunction<T> {
virtual T compute(T rho) const;
virtual PsiIsRho<T>* clone() const;
};
/// Shan, Chen 1993: /f[ \Psi = \rho_0(1-\exp(-\rho/\rho_0)) /f]
template<typename T>
class PsiShanChen93 : public PsiFunction<T> {
public:
PsiShanChen93(T rho_0_);
virtual T compute(T rho) const;
virtual PsiShanChen93<T>* clone() const;
private:
T rho_0;
};
/// Shan, Chen 1994: /f[ \Psi = \Psi_0\exp(-\rho_0/\rho) /f]
template<typename T>
class PsiShanChen94 : public PsiFunction<T> {
public:
PsiShanChen94(T psi_0_, T rho_0_);
virtual T compute(T rho) const;
virtual PsiShanChen94<T>* clone() const;
private:
T psi_0, rho_0;
};
/// Qian e.a. 1995: \f[ \Psi = g\rho_0^2\rho^2/(2(\rho_0+\rho)^2) \f]
template<typename T>
class PsiQian95 : public PsiFunction<T> {
public:
PsiQian95(T rho_0_, T g_);
virtual T compute(T rho) const;
virtual PsiQian95<T>* clone() const;
private:
T rho_0, rho_0_sqr, g;
};
} // namespace potentials
} // namespace plb
#endif // INTERPARTICLE_POTENTIAL_H
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