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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-28 20:28:48 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-28 20:28:48 +0200 |
| commit | 6fa5e2f97c215a0c56679514af74e88f81200d47 (patch) | |
| tree | 85b9cf33c76abe0605f3a13fed53f5359c1f6a3e /modules/core/c++ | |
| parent | 38783c5a86033d63fcbd3af57bb037ff665bfa01 (diff) | |
| download | libs-lbm-6fa5e2f97c215a0c56679514af74e88f81200d47.tar.gz | |
Fixing up fplbm
Diffstat (limited to 'modules/core/c++')
| -rw-r--r-- | modules/core/c++/fplbm.hpp | 76 |
1 files changed, 13 insertions, 63 deletions
diff --git a/modules/core/c++/fplbm.hpp b/modules/core/c++/fplbm.hpp index 34806aa..31b66c4 100644 --- a/modules/core/c++/fplbm.hpp +++ b/modules/core/c++/fplbm.hpp @@ -114,8 +114,8 @@ private: public: component() = default; - 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 { + 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>& pg, saw::data<sch::FixedArray<sch::UInt64,1u>> index, saw::data<sch::UInt64> time_step, saw::data<sch::UInt64> sub_steps) const { // void apply(saw::data<CellFieldSchema, Encode>& field, saw::data<sch::FixedArray<sch::UInt64, Descriptor::D>> index, saw::data<sch::UInt64> time_step){ bool is_even = ((time_step.get() % 2) == 0); @@ -129,76 +129,26 @@ public: // Temporary find a better way auto& force_f = macros.template get<"force">(); - /** * The other methods all work with a flipped porosity. * For compat reasons this is also flipped */ - auto porosity = por_f.at(index); - saw::data<sch::Scalar<T>> one; - one.at({}) = 1.0; - auto flip_porosity = one - porosity; - - saw::data<sch::Scalar<T>>& rho = rho_f.at(index); - - saw::data<sch::Scalar<T>> half; - half.at({}).set(0.5); - saw::data<sch::Vector<T,Descriptor::D>>& vel = vel_f.at(index);// + total_force * ( half / rho ); - - compute_rho_u<T,Descriptor>(dfs_old_f.at(index),rho,vel); - auto eq = equilibrium<T,Descriptor>(rho,vel); - - using dfi = df_info<T,Descriptor>; - - saw::data<sch::Scalar<T>> min_two; - min_two.at({}).set(-2); - - // Maybe ? - auto& force = force_f.at(index); - force = vel * rho * min_two * flip_porosity; - - saw::data<sch::Scalar<T>> dfi_inv_cs2; - dfi_inv_cs2.at({}).set(dfi::inv_cs2); - - // auto vel = vel_f.at(index); - - for(uint64_t i = 0u; i < Descriptor::Q; ++i){ - // saw::data<T> ci_min_u{0}; - saw::data<sch::Vector<T,Descriptor::D>> ci; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - ci.at({{d}}).set(static_cast<typename saw::native_data_type<T>::type>(dfi::directions[i][d])); - } - auto ci_dot_u = saw::math::dot(ci,vel); - - // saw::data<sch::Vector<T,Descriptor::D>> F_i; - // F_i = f * ((c_i - u) * ics2 + <c_i,u> * c_i * ics2 * ics2) * w_i; - saw::data<sch::Scalar<T>> w; - w.at({}).set(dfi::weights[i]); - - /* - saw::data<sch::Scalar<T>> F_i_sum; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - saw::data<sch::Scalar<T>> F_i_d; - F_i_d.at({}) = F_i.at({{d}}); - F_i_sum = F_i_sum + F_i_d; - } - */ - auto term1 = (ci-vel) * dfi_inv_cs2; - auto term2 = ci * (ci_dot_u * dfi_inv_cs2 * dfi_inv_cs2); - - auto force_projection = saw::math::dot(term1 + term2, force); + // TODO - Change to tuple later + auto parts = pg.template get<"particles">(); - auto F_i = w * force_projection; + auto parts_size = parts.meta.at({0u}); + auto pi = parts.at(index); - dfs.at({i}) = dfs.at({i}) - + frequency_ - * (eq.at(i) - dfs.at({i}) ) - + F_i.at({}) - * (saw::data<T>{1} - saw::data<T>{0.5f} * frequency_); + auto eo_aabb = particle_aabb<typename ParticleSchema::ValueType>::calculate(pg,{{0u}},vel_f.meta()); + if(eo_aabb.is_error()){ + return; } - } + auto& aabb = eo_aabb.get_value(); + iterator<Desc::D>::apply([&](const auto& index_f) -> void { + }, start, stop); + } }; template<typename T, typename Descriptor, typename Encode> |
