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Diffstat (limited to 'src/dynamics/interactionPotential.h')
-rw-r--r-- | src/dynamics/interactionPotential.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/dynamics/interactionPotential.h b/src/dynamics/interactionPotential.h new file mode 100644 index 0000000..0877fed --- /dev/null +++ b/src/dynamics/interactionPotential.h @@ -0,0 +1,140 @@ +/* This file is part of the OpenLB library + * + * Copyright (C) 2015 Peter Weisbrod + * 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. +*/ + +#ifndef INTERACTION_POTENTIAL_H +#define INTERACTION_POTENTIAL_H + + +/** + * The functor dimensions are given by F: S^m -> T^n (S=source, T=target) + * and are implemented via GenericF(n,m). + * Don't get confused by the flipped order of source and target. + */ + +namespace olb { + +// established -- original for both single- and multicomponent flow + +template <typename T, typename S> +class ShanChen93 : public AnalyticalF1D<T,S> { +private: + T _rhoZero; +public: + ShanChen93(T rhoZero=1.); + bool operator() (T psi[], const S rho[]); +}; + +// established -- only multicomponent flow + +template <typename T, typename S> +class PsiEqualsRho : public AnalyticalF1D<T,S> { +private: +public: + PsiEqualsRho(); + bool operator() (T psi[], const S rho[]) override; +}; + +// established -- only singlecomponent flow + +template <typename T, typename S> +class ShanChen94 : public AnalyticalF1D<T,S> { +private: + T _rhoZero; + T _psiZero; +public: + ShanChen94(T rhoZero=200., T psiZero=4.); + bool operator() (T psi[], const S rho[]) override; +}; + +template <typename T, typename S> +class PengRobinson : public AnalyticalF1D<T,S> { +private: + T _G; + T _acentricFactor; + T _a; + T _b; + T _R; + T _alpha; + T _t; + T _tc; +public: + PengRobinson(T G, T acentricFactor=0.334, T a=2./49., T b=2./21., T tr=.8); + bool operator() (T psi[], const S rho[]); + // second operator allows to incorporate temperature changes + bool operator() (T psi[], const S rho[], const S t[]); +}; + +template <typename T, typename S> +class CarnahanStarling : public AnalyticalF1D<T,S> { +private: + T _G; + T _a; + T _b; + T _R; + T _t; +public: + CarnahanStarling(T G, T a=1., T b=4., T tr=.7); + bool operator() (T psi[], const S rho[]) override; + // second operator allows to incorporate temperature changes + bool operator() (T psi[], const S rho[], const S t[]); +}; + +// under development -- for singlecomponent flow + +// 0.5 -> psiZero=0.65 +// 1 -> psiZero=1.9 +// 1.5 -> psiZero=3.5 +// 2. -> psiZero=5,45 +template <typename T, typename S> +class Krause : public AnalyticalF1D<T,S> { +private: + T _rhoZero; + T _psiZero; +public: + Krause(T rhoZero=1., T psiZero=1.9); + bool operator() (T psi[], const S rho[]); +}; + +template <typename T, typename S> // density of liquid phase always equals rhoZero for G=-1 +class WeisbrodKrause : public AnalyticalF1D<T,S> { +private: + T _rhoZero; + T _sigmu; +public: + WeisbrodKrause(T rhoZero=1., T sigmu=1.); + bool operator() (T psi[], const S rho[]); +}; + +template <typename T, typename S> // not very good +class Normal : public AnalyticalF1D<T,S> { +private: + T _sigma; + T _mu; +public: + Normal(T sigma=1., T mu=1.); + bool operator() (T psi[], const S rho[]); +}; + +} // end namespace olb + +#endif |