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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-05 15:59:23 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-05 15:59:23 +0200 |
| commit | c0549d71b2109f10c1238db8b22362e7826ba61b (patch) | |
| tree | 16cd5264fcc3afe912e1b1b67738c8940d6d1177 /lib/core/c++/momentum_gather.hpp | |
| parent | 9a3147bc79caf3c0fb1a9cdee29d156b5ff092c7 (diff) | |
| download | libs-lbm-c0549d71b2109f10c1238db8b22362e7826ba61b.tar.gz | |
Just rename from lib to modules
Diffstat (limited to 'lib/core/c++/momentum_gather.hpp')
| -rw-r--r-- | lib/core/c++/momentum_gather.hpp | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/lib/core/c++/momentum_gather.hpp b/lib/core/c++/momentum_gather.hpp deleted file mode 100644 index 7b1fc96..0000000 --- a/lib/core/c++/momentum_gather.hpp +++ /dev/null @@ -1,54 +0,0 @@ -#pragma once - -#include "common.hpp" -#include "macroscopic.hpp" -#include "component.hpp" -#include "equilibrium.hpp" - -namespace kel { -namespace lbm { -namespace cmpt { -// Gather the force, Luke! -struct ForceGather {}; -} - -template<typename T, typename Descriptor, typename Encode> -class component<T,Descriptor,cmpt::ForceGather, Encode> { -private: -public: - template<typename CellFieldSchema, typename MacroFieldSchema> - void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros, - saw::data<sch::FixedArray<sch::UInt64,Descriptor::D>> index, saw::data<sch::UInt64> time_step) const { - - using dfi = df_info<T,Descriptor>; - bool is_even = ((time_step.get() % 2) == 0); - - auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">(); - - auto& porous_f = macros.template get<"porosity">(); - auto& porous = porous_f.at(index); - - auto& force_f = macros.template get<"force">(); - auto& force = force_f.at(index); - - for(uint64_t k{0u}; k < Descriptor::D; ++k){ - force.at({{k}}).set(0); - } - - auto& dfs = dfs_old_f.at(index); - for(uint64_t i{0u}; i < Descriptor::Q; ++i){ - uint64_t i_opp = dfi::opposite_index[i]; - auto dfs_diff = dfs.at({i}) - dfs.at({i_opp}); - for(uint64_t k{0u}; k < Descriptor::D; ++k){ - force.at({{k}}) = force.at({{k}}) + dfs_diff * saw::data<T>{dfi::directions[i][k]}; - } - } - - saw::data<sch::Scalar<T>> one; - one.at({}) = 1.0; - auto flip_porous = one - porous; - force = force * flip_porous; - } -}; -} -} |
