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Diffstat (limited to 'examples/stokes_drag_particle_2d_bgk_gpu')
-rw-r--r--examples/stokes_drag_particle_2d_bgk_gpu/sim.cpp21
1 files changed, 7 insertions, 14 deletions
diff --git a/examples/stokes_drag_particle_2d_bgk_gpu/sim.cpp b/examples/stokes_drag_particle_2d_bgk_gpu/sim.cpp
index 911d84a..9426371 100644
--- a/examples/stokes_drag_particle_2d_bgk_gpu/sim.cpp
+++ b/examples/stokes_drag_particle_2d_bgk_gpu/sim.cpp
@@ -10,8 +10,8 @@
namespace kel {
namespace lbm {
-constexpr uint64_t dim_y = 256ul;
-constexpr uint64_t dim_x = dim_y * 20ul;
+constexpr uint64_t dim_y = 1024ul;
+constexpr uint64_t dim_x = dim_y * 2ul;
constexpr uint64_t particle_amount = 1ul;
@@ -50,8 +50,7 @@ using ForceChunk = Chunk<Vector<T,Desc::D>, 0u, dim_x, dim_y>;
template<typename T, typename Desc>
using MacroStruct = Struct<
Member<VelChunk<T,Desc>, "velocity">,
- Member<RhoChunk<T>, "density">,
- Member<ScalarChunk<T,Desc>, "porosity">
+ Member<RhoChunk<T>, "density">
>;
//template<typename T, typename Desc>
@@ -66,7 +65,6 @@ saw::error_or<void> setup_initial_conditions(
saw::data<sch::MacroStruct<T,Desc>>& macros
){
auto& info_f = fields.template get<"info">();
- auto& porous_f = macros.template get<"porosity">();
// Set everything as walls
iterator<Desc::D>::apply(
[&](auto& index){
@@ -109,13 +107,11 @@ saw::error_or<void> setup_initial_conditions(
auto& df_f = fields.template get<"dfs_old">();
auto& rho_f = macros.template get<"density">();
auto& vel_f = macros.template get<"velocity">();
- auto& por_f = macros.template get<"porosity">();
iterator<Desc::D>::apply(
[&](auto& index){
auto& df = df_f.at(index);
auto& rho = rho_f.at(index);
- por_f.at(index).at({}) = {0};
rho.at({}) = {1};
auto& vel = vel_f.at(index);
auto eq = equilibrium<T,Desc>(rho,vel);
@@ -144,11 +140,10 @@ saw::error_or<void> setup_initial_conditions(
{{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({{0u}}) = dim_x * 0.5;
middle.at({{1u}}) = dim_y * 0.5;
ind_vec.at({{0u}}) = index.at({{0u}}).template cast_to<T>();
@@ -156,14 +151,13 @@ saw::error_or<void> setup_initial_conditions(
auto dist = middle - ind_vec;
auto dist_2 = saw::math::dot(dist,dist);
- if(dist_2.at({}).get() < dim_y*dim_y*0.01){
- porous_f.at(index).at({}) = 1.0;
+ if(dist_2.at({}).get() < dim_y*dim_y*0.01 / 16.0){
+ info_f.at(index).set(5u);
}
},
{},// 0-index
df_f.get_dims()
);
- */
return saw::make_void();
}
@@ -177,7 +171,6 @@ 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 coll_ev =
q.submit([&](acpp::sycl::handler& h){
@@ -192,7 +185,7 @@ saw::error_or<void> step(
rad.at({}).set(dim_y*0.1);
saw::data<sch::Vector<T,Desc::D>> p_pos;
{
- p_pos.at({{0u}}) = dim_x * 0.25;
+ 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};