1 files changed, 26 insertions, 34 deletions

diff --git a/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp b/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
index a8ba21f..18b5258 100644
--- a/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
+++ b/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
@@ -13,7 +13,7 @@ namespace lbm {
 constexpr uint64_t dim_y = 1024ul;
 constexpr uint64_t dim_x = dim_y * 2ul;
 
-constexpr uint64_t particle_amount = 1ul;
+// constexpr uint64_t particle_amount = 1ul;
 
 namespace sch {
 using namespace saw::schema;
@@ -48,6 +48,7 @@ template<typename T, typename Desc>
 using MacroStruct = Struct<
 	Member<VelChunk<T,Desc>, "velocity">,
 	Member<RhoChunk<T>, "density">,
+	Member<VelChunk<T,Desc>, "force">,
 	Member<ScalarChunk<T,Desc>, "porosity">
 >;
 
@@ -99,7 +100,6 @@ saw::error_or<void> setup_initial_conditions(
 		{{dim_x-1u,0u}},
 		{{dim_x, dim_y}}
 	);
-	// Overwrite with
 	// Inflow
 	iterator<Desc::D>::apply(
 		[&](auto& index){
@@ -157,11 +157,12 @@ saw::error_or<void> setup_initial_conditions(
 		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 * 0.5;
+			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>();
@@ -176,6 +177,7 @@ saw::error_or<void> setup_initial_conditions(
 		{},// 0-index
 		df_f.get_dims()
 	);
+	*/
 
 	return saw::make_void();
 }
@@ -191,17 +193,25 @@ saw::error_or<void> step(
 	auto& info_f = fields.template get<"info">();
 	auto& porous_f = macros.template get<"porosity">();
 
+	// auto coll_ev = 
 	q.submit([&](acpp::sycl::handler& h){
+		component<T,Desc,cmpt::BGK, encode::Sycl<saw::encode::Native>> bgk{0.8};
 		component<T,Desc,cmpt::Hlbm,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};
+		saw::data<sch::Scalar<T>> eps;
+		eps.at({}).set(1.5f);
+		saw::data<sch::Scalar<T>> rad;
+		rad.at({}).set(dim_y*0.1/4.0);
+		saw::data<sch::Vector<T,Desc::D>> p_pos;
+		{
+			p_pos.at({{0u}}) = dim_x * 0.5;
+			p_pos.at({{1u}}) = dim_y * 0.5;
+		}
+		component<T,Desc,cmpt::OneParticleAt,encode::Sycl<saw::encode::Native>> opa{p_pos,rad,eps};
+		
+		component<T,Desc,cmpt::ForceGather, encode::Sycl<saw::encode::Native>> fg;
 
 		component<T,Desc,cmpt::ZouHeHorizontal<true>,encode::Sycl<saw::encode::Native>> flow_in{
 			[&](){
@@ -230,22 +240,22 @@ saw::error_or<void> step(
 					abb.apply(fields,index,t_i);
 				break;
 				case 2u:
+					opa.apply(macros,index,t_i);
 					collision.apply(fields,macros,index,t_i);
+					fg.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);
+					// equi.apply(fields,index,t_i);
+					bgk.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;
+					bgk.apply(fields,macros,index,t_i);
+				break;
 				case 5u:
-					// Corners
 					bb.apply(fields,index,t_i);
-					break;
 				default:
 				break;
 			}
@@ -355,9 +365,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 	sycl_q.wait();
 	auto lsd_view = make_view(lbm_sycl_data);
 	auto lsdm_view = make_view(lbm_sycl_macro_data);
-
 	saw::data<sch::UInt64> time_steps{16u*4096ul};
-
 	auto& info_f = lsd_view.template get<"info">();
 
 	for(saw::data<sch::UInt64> i{0u}; i < time_steps and krun; ++i){
@@ -369,22 +377,6 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 			}
 		}
 		sycl_q.wait();
-		/*
-		if(i.get() %  32u == 0u){
-			{
-				auto eov = dev.copy_to_host(lbm_sycl_macro_data,*lbm_macro_data_ptr);
-				if(eov.is_error()){
-					return eov;
-				}
-			}
-			{
-				auto eov = write_vtk_file(out_dir,"m",i.get(), *lbm_macro_data_ptr);
-				if(eov.is_error()){
-					return eov;
-				}
-			}
-		}
-		*/
 		if(i.get() % 32u == 0u){
 			{
 				auto eov = dev.copy_to_host(lbm_sycl_macro_data,*lbm_macro_data_ptr);