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authorClaudius "keldu" Holeksa <mail@keldu.de>2026-07-05 15:59:23 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-07-05 15:59:23 +0200
commitc0549d71b2109f10c1238db8b22362e7826ba61b (patch)
tree16cd5264fcc3afe912e1b1b67738c8940d6d1177 /lib/core/c++/hlbm.hpp
parent9a3147bc79caf3c0fb1a9cdee29d156b5ff092c7 (diff)
downloadlibs-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.hpp168
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 {
- //
- }
-};
-}
-}