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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++/hlbm.hpp | |
| parent | 9a3147bc79caf3c0fb1a9cdee29d156b5ff092c7 (diff) | |
| download | libs-lbm-c0549d71b2109f10c1238db8b22362e7826ba61b.tar.gz | |
Just rename from lib to modules
Diffstat (limited to 'lib/core/c++/hlbm.hpp')
| -rw-r--r-- | lib/core/c++/hlbm.hpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/lib/core/c++/hlbm.hpp b/lib/core/c++/hlbm.hpp deleted file mode 100644 index 18c32a5..0000000 --- a/lib/core/c++/hlbm.hpp +++ /dev/null @@ -1,168 +0,0 @@ -#pragma once - -#include "macroscopic.hpp" -#include "component.hpp" -#include "equilibrium.hpp" - -#include "particle/particle.hpp" - -#include <iostream> - -namespace kel { -namespace lbm { -namespace cmpt { -struct HlbmInit {}; -struct Hlbm {}; -struct HlbmParticle {}; - -struct HlbmOneParticleMomentumExchange {}; -} - -template<typename T, typename Descriptor, typename Encode> -class component<T, Descriptor, cmpt::HlbmInit, Encode> final { -private: - typename saw::native_data_type<T>::type relaxation_; - saw::data<T> frequency_; -public: - component(typename saw::native_data_type<T>::type relaxation__): - relaxation_{relaxation__}, - frequency_{typename saw::native_data_type<T>::type(1) / relaxation_} - {} - - 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 { - auto& porosity_f = macros.template get<"porosity">(); - auto& particle_N_f = field.template get<"particle_N">(); - auto& particle_D_f = field.template get<"particle_D">(); - - auto& por = porosity_f.at(index); - por = {}; - - auto& pnf = particle_N_f.at(index); - pnf = {}; - - auto& pnd = particle_D_f.at(index); - pnd = {}; - } -}; - -/** - * HLBM collision operator for LBM - */ -template<typename T, typename Desc, typename Encode> -class component<T, Desc, cmpt::Hlbm, Encode> final { -private: - typename saw::native_data_type<T>::type relaxation_; - saw::data<T> frequency_; -public: - component(typename saw::native_data_type<T>::type relaxation__): - relaxation_{relaxation__}, - frequency_{typename saw::native_data_type<T>::type(1) / relaxation_} - {} - - 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,Desc::D>> index, saw::data<sch::UInt64> time_step) const { - - bool is_even = ((time_step.get() % 2) == 0); - - auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">(); - auto& particle_N_f = field.template get<"particle_N">(); - auto& particle_D_f = field.template get<"particle_D">(); - - auto& porosity_f = macros.template get<"porosity">(); - auto& rho_f = macros.template get<"density">(); - auto& vel_f = macros.template get<"velocity">(); - - saw::data<sch::Scalar<T>>& rho = rho_f.at(index); - saw::data<sch::Vector<T,Desc::D>>& vel = vel_f.at(index); - - compute_rho_u<T,Desc>(dfs_old_f.at(index), rho, vel); - - auto& porosity = porosity_f.at(index); - saw::data<sch::Scalar<T>> one; - one.at({}) = 1.0; - auto flip_porosity = one - porosity; - - auto& N = particle_N_f.at(index); - auto& D = particle_D_f.at(index); - // Convex combination of velocities - vel = vel * porosity + [&]() -> saw::data<sch::Vector<T,Desc::D>> { - return (D.at({}).get() > 0.0 ? N * flip_porosity / D : N); - }(); - // Equilibrium - auto eq = equilibrium<T,Desc>(rho,vel); - - for(uint64_t i = 0u; i < Desc::Q; ++i){ - dfs_old_f.at(index).at({i}) = dfs_old_f.at(index).at({i}) + frequency_ * (eq.at(i) - dfs_old_f.at(index).at({i})); - } - - porosity.at({}) = 1.0; - D.at({}) = 0.0; - N = {}; - } -}; - -namespace impl { - -} - -template<typename T, typename Desc, typename Encode> -class component<T, Desc, cmpt::HlbmParticle, Encode> final { -private: - template<typename CellFieldSchema, typename MacroFieldSchema, typename ParticleSchema, uint64_t i> - void apply_i(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros, const saw::data<ParticleSchema,Encode>& part_groups, saw::data<sch::FixedArray<sch::UInt64,1u>> index, saw::data<sch::UInt64> time_step) const { - - } -public: - /* - template<typename CellFieldSchema, typename MacroFieldSchema, typename ParticleSchema, uint64_t i> - void apply_i() - */ - - template<typename CellFieldSchema, typename MacroFieldSchema, typename ParticleSchema> - void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros, const saw::data<ParticleSchema,Encode>& part_group, saw::data<sch::FixedArray<sch::UInt64,1u>> index, saw::data<sch::UInt64> time_step) const { - /// Figure out how to access the particle list - // auto& p = particles.at(i); - - /// Iterate over the grid bounds - // auto& grid = p.template get<"grid">(); - - auto& part_spheroid_group = part_group; - auto& mvel = macros.template get<"velocity">(); - { - auto& parts = part_spheroid_group.template get<"particles">(); - auto parts_size = parts.meta().at({0u}); - - auto& pi = parts.at(index); - auto& pirb = pi.template get<"rigid_body">(); - auto& pirb_pos = pirb.template get<"position">(); - - saw::data<sch::FixedArray<sch::UInt64,Desc::D>> start; - saw::data<sch::FixedArray<sch::UInt64,Desc::D>> stop; - - auto aabb = particle_aabb<ParticleSchema>::calculate(part_spheroid_group,index,mvel.meta()); - /// Ok, I iterate over the space which covers our particle? So lower bounds to upper bounds - - iterator<Desc::D>::apply([&](const auto& index){ - // ask for the d_k value here. - // For every value im iterating over I need sth - std::cout<<"Pos: "<<index.at({0u}).get()<<" "<<index.at({1u}).get()<<std::endl; - },start,stop); - - // Check - } - - - } -}; - -template<typename T, typename Desc, typename Encode> -class component<T, Desc, cmpt::HlbmOneParticleMomentumExchange, Encode> final { -public: - template<typename CellFieldSchema, typename MacroFieldSchema, typename ParticleSchema> - void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros, const saw::data<ParticleSchema,Encode>& part_group, saw::data<sch::FixedArray<sch::UInt64,1u>> index, saw::data<sch::UInt64> time_step) const { - // - } -}; -} -} |
