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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2025-10-18 18:01:14 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2025-10-18 18:01:14 +0200 |
| commit | 24bf28a8fb9cc8c3a90b77de9b60728bece7885d (patch) | |
| tree | dfcbfcb8775bf96847d4a187695158b968902889 /c++/equilibrium.hpp | |
| parent | a980da34513a9ad41e309e66432fcb80ddaf2e31 (diff) | |
| download | libs-lbm-24bf28a8fb9cc8c3a90b77de9b60728bece7885d.tar.gz | |
Moving project structure for more less compilation
Diffstat (limited to 'c++/equilibrium.hpp')
| -rw-r--r-- | c++/equilibrium.hpp | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/c++/equilibrium.hpp b/c++/equilibrium.hpp deleted file mode 100644 index bb55d00..0000000 --- a/c++/equilibrium.hpp +++ /dev/null @@ -1,49 +0,0 @@ -#pragma once - -#include "descriptor.hpp" - -namespace kel { -namespace lbm { -template<typename T, typename Descriptor> -saw::data<sch::FixedArray<T, Descriptor::Q>> equilibrium(saw::data<T> rho, saw::data<sch::FixedArray<T,Descriptor::D>> vel){ - using dfi = df_info<T, Descriptor>; - - saw::data<sch::FixedArray<T,Descriptor::Q>> eq; - // ^ - // 0.0 - // / \ - // | | - // - // Velocity * Velocity meaning || vel ||_2^2 or <vel,vel>_2 - saw::data<T> vel_vel{0.0}; - for(uint64_t j = 0u; j < Descriptor::D; ++j){ - vel_vel = vel_vel + vel.at(j) * vel.at(j); - } - - /** - * Calculate equilibrium - */ - for(uint64_t i = 0u; i < eq.template get_dim_size<0u>(); ++i){ - saw::data<T> vel_c{}; - for(uint64_t j = 0u; j < Descriptor::D; ++j){ - // <vel,c_i>_2 - vel_c = vel_c + (vel.at(j) * saw::data<T>{static_cast<saw::native_data_type<T>::type>(dfi::directions[i][j])}); - } - - auto vel_c_cs2 = vel_c * saw::data<T>{dfi::inv_cs2}; - - eq.at(i).set( - dfi::weights[i] * rho.get() * - ( - 1.0 - + vel_c_cs2.get() - - dfi::inv_cs2 * 0.5 * vel_vel.get() - + vel_c_cs2.get() * vel_c_cs2.get() * 0.5 - ) - ); - } - - return eq; -} -} -} |
