diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/settling_cubes_2d_ibm_gpu/sim.cpp | 104 |
1 files changed, 9 insertions, 95 deletions
diff --git a/examples/settling_cubes_2d_ibm_gpu/sim.cpp b/examples/settling_cubes_2d_ibm_gpu/sim.cpp index 16b44c3..4501a54 100644 --- a/examples/settling_cubes_2d_ibm_gpu/sim.cpp +++ b/examples/settling_cubes_2d_ibm_gpu/sim.cpp @@ -45,7 +45,8 @@ using RhoChunk = Chunk<Scalar<T>, 0u, dim_x, dim_y>; template<typename T, typename Desc> using MacroStruct = Struct< Member<VelChunk<T,Desc>, "velocity">, - Member<RhoChunk<T>, "density"> + Member<RhoChunk<T>, "density">, + Member<VectorChunk<T,Desc>, "force"> >; //template<typename T, typename Desc> @@ -79,26 +80,6 @@ saw::error_or<void> setup_initial_conditions( info_f.get_dims(), {{1u,1u}} ); - - // Inflow - iterator<Desc::D>::apply( - [&](auto& index){ - info_f.at(index).set(3u); - }, - {{0u,0u}}, - {{1u,dim_y}}, - {{0u,1u}} - ); - - // Outflow - iterator<Desc::D>::apply( - [&](auto& index){ - info_f.at(index).set(4u); - }, - {{dim_x-1u,0u}}, - {{dim_x, dim_y}}, - {{0u,1u}} - ); // auto& df_f = fields.template get<"dfs_old">(); auto& rho_f = macros.template get<"density">(); @@ -118,43 +99,6 @@ saw::error_or<void> setup_initial_conditions( df_f.get_dims() ); - iterator<Desc::D>::apply( - [&](auto& index){ - auto& df = df_f.at(index); - auto& rho = rho_f.at(index); - rho.at({}) = {1}; - auto& vel = vel_f.at(index); - if(info_f.at(index).get() == 2u){ - vel.at({{0u}}) = 0.0; - } - auto eq = equilibrium<T,Desc>(rho,vel); - - df = eq; - }, - {},// 0-index - df_f.get_dims(), - {{1u,1u}} - ); - - iterator<Desc::D>::apply( - [&](auto& index){ - saw::data<sch::Vector<T,Desc::D>> middle, ind_vec; - middle.at({{0u}}) = dim_x * 0.25; - middle.at({{1u}}) = dim_y * 0.5; - - ind_vec.at({{0u}}) = index.at({{0u}}).template cast_to<T>(); - ind_vec.at({{1u}}) = index.at({{1u}}).template cast_to<T>(); - - auto dist = middle - ind_vec; - auto dist_2 = saw::math::dot(dist,dist); - if(dist_2.at({}).get() < dim_y*dim_y*0.01){ - info_f.at(index) = 1u; - } - }, - {},// 0-index - df_f.get_dims() - ); - return saw::make_void(); } @@ -180,28 +124,8 @@ saw::error_or<void> step( // auto coll_ev = q.submit([&](acpp::sycl::handler& h){ // Need nicer things to handle the flow. I see improvement here - component<T,Desc,cmpt::BGKGuo, encode::Sycl<saw::encode::Native>> collision{0.65}; + component<T,Desc,cmpt::BGKGuo, encode::Sycl<saw::encode::Native>> collision{0.8}; component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb; - component<T,Desc,cmpt::AntiBounceBack<0u>,encode::Sycl<saw::encode::Native>> abb; - - saw::data<sch::Scalar<T>> rho_b; - rho_b.at({}) = 1.0; - saw::data<sch::Vector<T,Desc::D>> vel_b; - vel_b.at({{0u}}) = 0.015; - - component<T,Desc,cmpt::Equilibrium,encode::Sycl<saw::encode::Native>> equi{rho_b,vel_b}; - - component<T,Desc,cmpt::ZouHeHorizontal<true>,encode::Sycl<saw::encode::Native>> flow_in{ - [&](){ - uint64_t target_t_i = 64u; - if(t_i.get() < target_t_i){ - return 1.0 + (0.0015 / target_t_i) * t_i.get(); - } - return 1.0015; - }() - }; - 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; @@ -215,21 +139,11 @@ saw::error_or<void> step( case 0u: break; case 1u: - abb.apply(fields,index,t_i); + bb.apply(fields,index,t_i); break; case 2u: collision.apply(fields,macros,index,t_i); break; - case 3u: - //flow_in.apply(fields,index,t_i); - equi.apply(fields,index,t_i); - collision.apply(fields,macros,index,t_i); - break; - case 4u: - // flow_out.apply(fields,index,t_i); - equi.apply(fields,index,t_i); - collision.apply(fields,macros,index,t_i); - break; default: break; } @@ -255,13 +169,13 @@ saw::error_or<void> lbm_main(int argc, char** argv){ using dfi = df_info<T,Desc>; - auto eo_lbm_dir = lbm_directory(); - if(eo_lbm_dir.is_error()){ - return std::move(eo_lbm_dir.get_error()); + auto eo_lbm_env = lbm_directory(); + if(eo_lbm_env.is_error()){ + return std::move(eo_lbm_env.get_error()); } - auto& lbm_dir = eo_lbm_dir.get_value(); + auto& lbm_env = eo_lbm_env.get_value(); - auto out_dir = lbm_dir / "settling_cubes_2d_ibm_gpu"; + auto out_dir = lbm_env.data_dir / "settling_cubes_2d_ibm_gpu"; { std::error_code ec; |