olb::dynamics::CSE< dynamics::Tuple< T, descriptors::D2Q9< FIELDS... >, momenta::Tuple< momenta::BulkDensity, momenta::BulkMomentum, momenta::BulkStress, momenta::DefineToNEq >, equilibria::SecondOrder, collision::BGK, dynamics::DefaultCombination > > Struct Template Reference

#include <53b33a9be364036188fa24b23bb617e8b2b7bae7a86276cb4355d9f4988ffcb9.cse.h>

Collaboration diagram for olb::dynamics::CSE< dynamics::Tuple< T, descriptors::D2Q9< FIELDS... >, momenta::Tuple< momenta::BulkDensity, momenta::BulkMomentum, momenta::BulkStress, momenta::DefineToNEq >, equilibria::SecondOrder, collision::BGK, dynamics::DefaultCombination > >:

Public Member Functions
template<concepts::Cell CELL, concepts::Parameters PARAMETERS, concepts::BaseType V = typename CELL::value_t>
CellStatistic< V >	collide (CELL &cell, PARAMETERS &parameters) any_platform

Detailed Description

template<typename T, typename... FIELDS>
struct olb::dynamics::CSE< dynamics::Tuple< T, descriptors::D2Q9< FIELDS... >, momenta::Tuple< momenta::BulkDensity, momenta::BulkMomentum, momenta::BulkStress, momenta::DefineToNEq >, equilibria::SecondOrder, collision::BGK, dynamics::DefaultCombination > >

Definition at line 38 of file 53b33a9be364036188fa24b23bb617e8b2b7bae7a86276cb4355d9f4988ffcb9.cse.h.

Member Function Documentation

collide()

template<typename T , typename... FIELDS>

template<concepts::Cell CELL, concepts::Parameters PARAMETERS, concepts::BaseType V = typename CELL::value_t>

CellStatistic< V > olb::dynamics::CSE< dynamics::Tuple< T, descriptors::D2Q9< FIELDS... >, momenta::Tuple< momenta::BulkDensity, momenta::BulkMomentum, momenta::BulkStress, momenta::DefineToNEq >, equilibria::SecondOrder, collision::BGK, dynamics::DefaultCombination > >::collide ( CELL & cell, PARAMETERS & parameters )

inline

Definition at line 40 of file 53b33a9be364036188fa24b23bb617e8b2b7bae7a86276cb4355d9f4988ffcb9.cse.h.

                                                                          {
auto x9 = parameters.template get<descriptors::OMEGA>();
auto x10 = x9 + V{-1};
auto x11 = cell[0] + cell[1] + cell[2] + cell[3] + cell[4] + cell[5] + cell[6] + cell[7] + cell[8];
auto x12 = x11 + V{1};
auto x13 = x11 + V{1};
auto x14 = V{1} / ((x13)*(x13));
auto x15 = V{1.5}*x14;
auto x16 = cell[1] - cell[5];
auto x17 = -cell[4] + cell[8];
auto x18 = -cell[3] + cell[7] + x16 + x17;
auto x19 = x18*x18;
auto x20 = x15*x19;
auto x21 = cell[2] - cell[6];
auto x22 = cell[3] - cell[7] + x16 + x21;
auto x23 = -x22;
auto x24 = x15*(x23*x23) + V{-1};
auto x25 = x20 + x24;
auto x26 = V{0.0277777777777778}*x9;
auto x27 = V{1} / (x13);
auto x28 = V{3}*cell[3];
auto x29 = V{3}*cell[7];
auto x30 = V{3}*cell[1] - V{3}*cell[5];
auto x31 = V{3}*cell[2] - V{3}*cell[6] + x28 - x29 + x30;
auto x32 = x27*x31;
auto x33 = V{4.5}*x14;
auto x34 = V{2}*cell[1] - V{2}*cell[5] + x17 + x21;
auto x35 = -x34;
auto x36 = V{1} - x20;
auto x37 = x27*(-V{3}*cell[4] + V{3}*cell[8] - x28 + x29 + x30);
auto x38 = x22*x22;
auto x39 = x15*x38;
auto x40 = x37 - x39;
auto x41 = x36 + x40;
auto x42 = V{0.111111111111111}*x9;
auto x43 = V{3}*x14;
auto x44 = x36 + x38*x43;
auto x45 = -V{2}*cell[3] - cell[4] + V{2}*cell[7] + cell[8] - x21;
auto x46 = x33*(x45*x45);
auto x47 = x19*x43;
auto x48 = -x32;
auto x0 = -cell[0]*x10 - V{0.444444444444444}*x9*(x12*x25 + V{1});
auto x1 = -cell[1]*x10 + x26*(x12*(x32 + x33*(x35*x35) + x41) + V{-1});
auto x2 = -cell[2]*x10 + x42*(x12*(x32 + x44) + V{-1});
auto x3 = -cell[3]*x10 - x26*(x12*(x25 - x27*x31 + x37 - x46) + V{1});
auto x4 = -cell[4]*x10 - x42*(x12*(x24 + x37 - x47) + V{1});
auto x5 = -cell[5]*x10 + x26*(-x12*(-V{4.5}*x14*x34*x34 + x20 + x32 + x37 + x39 + V{-1}) + V{-1});
auto x6 = -cell[6]*x10 + x42*(x12*(x44 + x48) + V{-1});
auto x7 = -cell[7]*x10 + x26*(x12*(x41 + x46 + x48) + V{-1});
auto x8 = -cell[8]*x10 + x42*(x12*(x40 + x47 + V{1}) + V{-1});
cell[0] = x0;
cell[1] = x1;
cell[2] = x2;
cell[3] = x3;
cell[4] = x4;
cell[5] = x5;
cell[6] = x6;
cell[7] = x7;
cell[8] = x8;
return { x13, V{1}*x14*(x19 + x38) };
}

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The documentation for this struct was generated from the following file:

• src/cse/dynamics/53b33a9be364036188fa24b23bb617e8b2b7bae7a86276cb4355d9f4988ffcb9.cse.h