OpenLB 1.7
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latticePhysDarcyForce3D.hh
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1/* This file is part of the OpenLB library
2 *
3 * Copyright (C) 2012 Lukas Baron, Tim Dornieden, Mathias J. Krause,
4 * Albert Mink
5 * E-mail contact: info@openlb.net
6 * The most recent release of OpenLB can be downloaded at
7 * <http://www.openlb.net/>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public
20 * License along with this program; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
23*/
24
25#ifndef LATTICE_PHYS_DARCY_FORCE_3D_HH
26#define LATTICE_PHYS_DARCY_FORCE_3D_HH
27
28#include<vector> // for generic i/o
29#include<cmath> // for lpnorm
30#include<math.h>
31
33#include "superBaseF3D.h"
36#include "dynamics/lbm.h" // for computation of lattice rho and velocity
38#include "blockBaseF3D.h"
41
42namespace olb {
43
44template<typename T, typename DESCRIPTOR>
46 SuperLattice<T, DESCRIPTOR>& sLattice, SuperGeometry<T,3>& superGeometry,
47 const int material, const UnitConverter<T,DESCRIPTOR>& converter)
48 : SuperLatticePhysF3D<T, DESCRIPTOR>(sLattice, converter, 3),
49 _superGeometry(superGeometry), _material(material)
50{
51 this->getName() = "alphaU";
52}
53
54template<typename T, typename DESCRIPTOR>
56{
57 SuperLatticePhysPermeability3D<T, DESCRIPTOR> permeability(this->_sLattice, this->_converter);
58 SuperLatticeVelocity3D<T, DESCRIPTOR> velocity(this->_sLattice);
59
60 T nu = this->_converter.getPhysViscosity();
61 T K;
62 T u[velocity.getTargetDim()];
63 permeability(&K,input);
64 velocity(u,input);
65
66 output[0] = -nu / K * u[0];
67 output[1] = -nu / K * u[1];
68 output[2] = -nu / K * u[2];
69
70 return true;
71}
72
73template<typename T, typename DESCRIPTOR>
75 BlockLattice<T, DESCRIPTOR>& blockLattice, BlockGeometry<T,3>& blockGeometry,
76 int material, const UnitConverter<T,DESCRIPTOR>& converter)
77 : BlockLatticePhysF3D<T, DESCRIPTOR>(blockLattice, converter, 3),
78 _blockGeometry(blockGeometry),
79 _material(material)
80{
81 this->getName() = "alphaU";
82}
83
84template<typename T, typename DESCRIPTOR>
86 T output[], const int input[])
87{
88 BlockLatticePhysPermeability3D<T, DESCRIPTOR> permeability(this->_blockLattice, this->_converter);
89 BlockLatticeVelocity3D<T, DESCRIPTOR> velocity(this->_blockLattice);
90
91 T nu = this->_converter.getPhysViscosity();
92 permeability(output,input);
93 T K = output[0];
94 velocity(output,input);
95
96 output[0] *= -nu / K;
97 output[1] *= -nu / K;
98 output[2] *= -nu / K;
99
100 return true;
101}
102
103}
104#endif
Representation of a block geometry.
bool operator()(T output[], const int input[])
has to be implemented for 'every' derived class
BlockLatticePhysDarcyForce3D(BlockLattice< T, DESCRIPTOR > &blockLattice, BlockGeometry< T, 3 > &blockGeometry, int material, const UnitConverter< T, DESCRIPTOR > &converter)
represents all functors that operate on a DESCRIPTOR with output in Phys, e.g. physVelocity(),...
functor to get pointwise mesh-independent permeability values in (0,inf) in combination with (Extende...
functor returns pointwise velocity on local lattice
Platform-abstracted block lattice for external access and inter-block interaction.
int getTargetDim() const
read only access to member variable _n
Definition genericF.hh:45
std::string & getName()
read and write access to name
Definition genericF.hh:51
Representation of a statistic for a parallel 2D geometry.
SuperLatticePhysDarcyForce3D(SuperLattice< T, DESCRIPTOR > &sLattice, SuperGeometry< T, 3 > &superGeometry, const int material, const UnitConverter< T, DESCRIPTOR > &converter)
bool operator()(T output[], const int input[])
represents all functors that operate on a DESCRIPTOR with output in Phys, e.g. physVelocity(),...
functor to get pointwise mesh-independent permeability values in (0,inf) in combination with (Extende...
functor to get pointwise velocity on local lattice
Super class maintaining block lattices for a cuboid decomposition.
Conversion between physical and lattice units, as well as discretization.
Wrapper functions that simplify the use of MPI.
Top level namespace for all of OpenLB.
Representation of a parallel 2D geometry – header file.