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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-08-25 21:48:13 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-08-25 21:48:13 +0200 |
| commit | 8c2e629878ab1c73c73ae92d76e8883ccfa032a2 (patch) | |
| tree | c14b9d11d8ae1c1282a7fcd5611e5a2b13f38058 /examples/one_particle_sedimentation_2d | |
| parent | 923d90f0d5dffa58ac6b4f820f1db5123a0df618 (diff) | |
| download | libs-lbm-8c2e629878ab1c73c73ae92d76e8883ccfa032a2.tar.gz | |
Feierabend?dev
Diffstat (limited to 'examples/one_particle_sedimentation_2d')
| -rw-r--r-- | examples/one_particle_sedimentation_2d/common.hpp | 3 | ||||
| -rw-r--r-- | examples/one_particle_sedimentation_2d/sim.cpp | 4 | ||||
| -rw-r--r-- | examples/one_particle_sedimentation_2d/step.hpp | 33 |
3 files changed, 12 insertions, 28 deletions
diff --git a/examples/one_particle_sedimentation_2d/common.hpp b/examples/one_particle_sedimentation_2d/common.hpp index 954557d..18d6584 100644 --- a/examples/one_particle_sedimentation_2d/common.hpp +++ b/examples/one_particle_sedimentation_2d/common.hpp @@ -62,7 +62,8 @@ using MacroStruct = Struct< Member<VelChunk<T,Desc>, "momentum">, Member<RhoChunk<T>, "density">, Member<ScalarChunk<T,Desc>, "porosity">, - Member<VelChunk<T,Desc>, "force"> + Member<VelChunk<T,Desc>, "force">, + Member<VelChunk<T,Desc>, "external_force"> >; template<typename T, typename Desc> diff --git a/examples/one_particle_sedimentation_2d/sim.cpp b/examples/one_particle_sedimentation_2d/sim.cpp index b0b374c..a722fc3 100644 --- a/examples/one_particle_sedimentation_2d/sim.cpp +++ b/examples/one_particle_sedimentation_2d/sim.cpp @@ -48,10 +48,10 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){ // delta_x {{0.02 / dim_x}}, // delta_t - {{1.067e-4}} + {{1.5e-6}} }; - print_lbm_meta<T,Desc>(conv,{1e-3},{1e-4},{0.5 * dim_y}); + print_lbm_meta<T,Desc>(conv,{1e-3},{1e-4},{0.02}); // saw::data<sch::FixedArray<sch::UInt64,Desc::D>> meta{{dim_x,dim_y}}; auto lbm_data_ptr = saw::heap<saw::data<sch::ChunkStruct<T,Desc>>>(); diff --git a/examples/one_particle_sedimentation_2d/step.hpp b/examples/one_particle_sedimentation_2d/step.hpp index 20b7f4b..86064ae 100644 --- a/examples/one_particle_sedimentation_2d/step.hpp +++ b/examples/one_particle_sedimentation_2d/step.hpp @@ -19,8 +19,7 @@ saw::error_or<void> step( auto& q = dev.get_handle(); auto& info_f = fields.template get<"info">(); auto& porous_f = macros.template get<"porosity">(); - - + auto& ext_force_f = macros.template get<"external_force">(); if constexpr ( std::is_same_v<Coll, method::Hlbm> ){ q.submit([&](acpp::sycl::handler& h){ @@ -31,6 +30,7 @@ saw::error_or<void> step( index.at({{i}}).set(idx[i]); } hlbm_reset.apply(fields,macros,index,t_i); + }); }).wait(); q.submit([&](acpp::sycl::handler& h){ @@ -49,7 +49,6 @@ saw::error_or<void> step( q.submit([&](acpp::sycl::handler& h){ component<T,Desc,cmpt::Hlbm,encode::Sycl<saw::encode::Native>> collision{1.0}; component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb; - component<T,Desc,cmpt::ZouHeHorizontal<false>,encode::Sycl<saw::encode::Native>> flow_out{1.0}; h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){ saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index; @@ -67,27 +66,6 @@ saw::error_or<void> step( break; case 2u: collision.apply(fields,macros,index,t_i); - break; - case 3u: - { - component<T,Desc,cmpt::ZouHeVelocityX<true>,encode::Sycl<saw::encode::Native>> flow_in{ - [&]() -> saw::data<sch::Vector<T,Desc::D>> { - saw::data<sch::Vector<T,Desc::D>> vel; - { - auto y_si = conv.meter_lbm_to_si(index.at({{1u}}).template cast_to<T>()).handle(); - vel.at({{0u}}) = conv.velocity_si_to_lbm({{static_cast<typename saw::native_data_type<T>::type>((1.2 / 0.41) * y_si.get() - (1.2 / (0.41*0.41)) * y_si.get() * y_si.get())}}).handle(); - vel.at({{1u}}) = 0.0f; - } - return vel; - }() - }; - flow_in.apply(fields,index,t_i); - } - collision.apply(fields,macros,index,t_i); - break; - case 4u: - flow_out.apply(fields,index,t_i); - collision.apply(fields,macros,index,t_i); break; default: break; @@ -104,11 +82,16 @@ saw::error_or<void> step( } fplbm_reset.apply(fields,macros,index,t_i); + + // TODO apply external force + // auto& ext_force = ext_force_f.at(index); }); }).wait(); q.submit([&](acpp::sycl::handler& h){ - component<T,Desc,cmpt::FpLbmOneParticle,encode::Sycl<saw::encode::Native>> fplbm_one_part; + saw::data<sch::Vector<T,Desc::D>> gf; + gf.at({{1u}}) = conv.acceleration_si_to_lbm({-9.81}).handle(); + component<T,Desc,cmpt::FpLbmOneParticle,encode::Sycl<saw::encode::Native>> fplbm_one_part{gf}; h.parallel_for(acpp::sycl::range<1u>{particle_amount}, [=](acpp::sycl::id<1u> idx){ saw::data<sch::FixedArray<sch::UInt64,1u>> index; |
