D3Q27System.cpp

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//=======================================================================================
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//
//  This file is part of VirtualFluids. VirtualFluids is free software: you can
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//  SPDX-License-Identifier: GPL-3.0-or-later
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//
//=======================================================================================
#include "D3Q27System.h"
 
#include "lbm/MacroscopicQuantities.h"
 
namespace d3q27_system
{
//using namespace UbMath;
    using namespace vf::basics::constant;
    using namespace vf::lbm::dir;
 
// index            0   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
const int DX1[] = { 0,  1, -1,  0,  0,  0,  0,  1, -1,  1, -1,  1, -1,  1, -1,  0,  0,  0,  0,  1, -1,  1, -1,  1, -1,  1, -1 };
const int DX2[] = { 0,  0,  0,  1, -1,  0,  0,  1, -1, -1,  1,  0,  0,  0,  0,  1, -1,  1, -1,  1,  1, -1, -1,  1,  1, -1, -1 };
const int DX3[] = { 0,  0,  0,  0,  0,  1, -1,  0,  0,  0,  0,  1, -1, -1,  1,  1, -1, -1,  1,  1,  1,  1,  1, -1, -1, -1, -1 };
 
const real WEIGTH[] = { c8o27,  
                          c2o27,  c2o27,  c2o27,  c2o27,  c2o27,  c2o27,  
                          c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,  c1o54,
                          c1o216, c1o216, c1o216, c1o216, c1o216, c1o216, c1o216, c1o216 };
 
const int INVDIR[] = { d000, iP00, iM00, i0P0, i0M0, i00P, i00M, 
                                iPP0, iMM0, iPM0, iMP0, iP0P, iM0M, iP0M, iM0P, i0PP, i0MM, i0PM, i0MP,
                                iPPP, iMPP, iPMP, iMMP, iPPM, iMPM, iPMM, iMMM };
 
 
 
 
real getDensity(const real *const &f /*[27]*/)
{
    return vf::lbm::getDensity(f);
}
 
real getIncompVelocityX1(const real *const &f /*[27]*/)
{
    return vf::lbm::getIncompressibleVelocityX1(f);
}
 
real getIncompVelocityX2(const real *const &f /*[27]*/)
{
    return vf::lbm::getIncompressibleVelocityX2(f);
}
 
real getIncompVelocityX3(const real *const &f /*[27]*/)
{
    return vf::lbm::getIncompressibleVelocityX3(f);
}
 
 
 
 
 
} // namespace D3Q27System