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Initialize at openlb-1-3
Diffstat (limited to 'src/dynamics/SmagorinskyPowerLawPorousBGKdynamics.h')
-rw-r--r-- | src/dynamics/SmagorinskyPowerLawPorousBGKdynamics.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/dynamics/SmagorinskyPowerLawPorousBGKdynamics.h b/src/dynamics/SmagorinskyPowerLawPorousBGKdynamics.h new file mode 100644 index 0000000..d3a43c7 --- /dev/null +++ b/src/dynamics/SmagorinskyPowerLawPorousBGKdynamics.h @@ -0,0 +1,66 @@ +/* This file is part of the OpenLB library + * + * Copyright (C) 2012, 2015 Mathias J. Krause, Vojtech Cvrcek, Davide Dapelo + * 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 + * Porous-particle BGK Dynamics with adjusted omega + * and Smagorinsky turbulence model -- header file. + * Strain rate similar to "J.Boyd, J. Buick and S.Green: A second-order accurate lattice Boltzmann non-Newtonian flow model" + * Power Law similar to "Huidan Yu, Sharath S. Girimaji, Li-Shi Luo - DNS and LES of decaying isotropic turbulence with and without frame rotation using lattice Boltzmann method" + * + */ +#ifndef SMAGORINSKY_POWER_LAW_POROUS_BGK_DYNAMICS_H +#define SMAGORINSKY_POWER_LAW_POROUS_BGK_DYNAMICS_H + +#include "SmagorinskyPorousParticleBGKdynamics.h" +#include "core/cell.h" + +namespace olb { + +/// Implementation of the BGK collision step +template<typename T, typename DESCRIPTOR> +class SmagorinskyPowerLawPorousParticleBGKdynamics : public SmagorinskyPorousParticleBGKdynamics<T,DESCRIPTOR> { +public: + /// Constructor + /// m,n...parameter in the power law model, dt...the explizit typed time step from LBM model + SmagorinskyPowerLawPorousParticleBGKdynamics(T omega_, Momenta<T,DESCRIPTOR>& momenta_, T m_=0.1, T n_=.5, T dtPL_=T(0.0016), T nuMin=T(2.9686e-3), T nuMax=T(3.1667), T smagoConst_=T(0.14)); + + /// Collision step + virtual void collide(Cell<T,DESCRIPTOR>& cell, + LatticeStatistics<T>& statistics_); + +private: + + /// Computes the local powerLaw relaxation parameter + T computeOmegaPL(T omega0_, T rho_, T pi_[util::TensorVal<DESCRIPTOR >::n] ); + +private: + T m; + T n; + T dtPL; + T omegaMin; + T omegaMax; +}; + +} + +#endif |