/usr/include/palabos/complexDynamics/carreauDynamics.h is in libplb-dev 1.5~r1+repack1-3.
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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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /* 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/>.
*/
/* Main author: Orestis Malaspinas
*/
#ifndef CARREAU_DYNAMICS_H
#define CARREAU_DYNAMICS_H
#include "core/globalDefs.h"
#include "core/dynamics.h"
#include "complexDynamics/variableOmegaDynamics.h"
namespace plb {
/// This class recomputes omega for a generalied newtonian fluid with a carreau constitutive equation.
/** The constitutive equation is nu=nu0*(1+(lambda*|gamma|)^2)^((n-1)/2).
* Note that in order to be numerically efficient there is no resolution of the implicit equation
* rather we try to get to the fixed point by auto-replacement in the solution.(??? need to be rewritten)
*/
template<typename T, template<typename U> class Descriptor, int N>
class CarreauDynamics : public OmegaFromPiDynamics<T,Descriptor> {
public:
CarreauDynamics(Dynamics<T,Descriptor>* baseDynamics_, bool automaticPrepareCollision=true);
virtual T getOmegaFromPiAndRhoBar(Array<T,SymmetricTensor<T,Descriptor>::n> const& PiNeq, T rhoBar) const;
CarreauDynamics<T,Descriptor,N>* clone() const;
virtual int getId() const;
private:
static int id;
};
/// Implementation of O(Ma^2) BGK dynamics with constant average density
/** Semantically, this class is equivalent to RLBdynamics< . , . , BGKdynamics<.,.> >,
* but the implementation is more efficient.
*/
template<typename T, template<typename U> class Descriptor, int N>
class BGKCarreauDynamics : public IsoThermalBulkDynamics<T,Descriptor> {
public:
/* *************** Construction / Destruction ************************ */
BGKCarreauDynamics(T omega=(T)1);
/// Clone the object on its dynamic type.
virtual BGKCarreauDynamics<T,Descriptor,N>* clone() const;
/// Return a unique ID for this class.
virtual int getId() const;
/* *************** Collision and Equilibrium ************************* */
/// Implementation of the collision step
virtual void collide(Cell<T,Descriptor>& cell,
BlockStatistics& statistics_);
/// Compute equilibrium distribution function
virtual T computeEquilibrium(plint iPop, T rhoBar, Array<T,Descriptor<T>::d> const& j,
T jSqr, T thetaBar=T()) const;
private:
static int id;
};
/// Implementation of O(Ma^2) BGK dynamics with constant average density
/** Semantically, this class is equivalent to RLBdynamics< . , . , BGKdynamics<.,.> >,
* but the implementation is more efficient.
*/
template<typename T, template<typename U> class Descriptor, int N>
class RegularizedBGKCarreauDynamics : public IsoThermalBulkDynamics<T,Descriptor> {
public:
/* *************** Construction / Destruction ************************ */
RegularizedBGKCarreauDynamics(T omega=(T)1);
/// Clone the object on its dynamic type.
virtual RegularizedBGKCarreauDynamics<T,Descriptor,N>* clone() const;
/// Return a unique ID for this class.
virtual int getId() const;
/* *************** Collision and Equilibrium ************************* */
/// Implementation of the collision step
virtual void collide(Cell<T,Descriptor>& cell,
BlockStatistics& statistics_);
/// Compute equilibrium distribution function
virtual T computeEquilibrium(plint iPop, T rhoBar, Array<T,Descriptor<T>::d> const& j,
T jSqr, T thetaBar=T()) const;
private:
static int id;
};
} // namespace plb
#endif // VARIABLE_OMEGA_DYNAMICS_H
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