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authorClaudius "keldu" Holeksa <mail@keldu.de>2026-07-07 20:41:45 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-07-07 20:41:45 +0200
commit544c842c63cd048160f4277a6d0ca3a1f89bd9d1 (patch)
tree01b33ea777f234d1c1f8ba6a4b7282d4cf3f706b /examples
parent43d795c0afa3c613fb3aee10de7ddf579cf78645 (diff)
downloadlibs-lbm-544c842c63cd048160f4277a6d0ca3a1f89bd9d1.tar.gz
Changing the initial velocity
Diffstat (limited to 'examples')
-rw-r--r--examples/stokes_drag_particle_2d_fplbm_gpu/sim.cpp4
-rw-r--r--examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp4
-rw-r--r--examples/stokes_drag_particle_2d_psm_gpu/sim.cpp46
3 files changed, 3 insertions, 51 deletions
diff --git a/examples/stokes_drag_particle_2d_fplbm_gpu/sim.cpp b/examples/stokes_drag_particle_2d_fplbm_gpu/sim.cpp
index 5de963d..98c72a2 100644
--- a/examples/stokes_drag_particle_2d_fplbm_gpu/sim.cpp
+++ b/examples/stokes_drag_particle_2d_fplbm_gpu/sim.cpp
@@ -135,6 +135,7 @@ saw::error_or<void> setup_initial_conditions(
por_f.at(index).at({}) = {0};
rho.at({}) = {1};
auto& vel = vel_f.at(index);
+ vel.at({{0u}}) = 0.0002f;
auto eq = equilibrium<T,Desc>(rho,vel);
df = eq;
@@ -149,9 +150,6 @@ saw::error_or<void> setup_initial_conditions(
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}}) = 0.0002f;
- }
auto eq = equilibrium<T,Desc>(rho,vel);
df = eq;
diff --git a/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp b/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
index 68c0b35..e0cbda2 100644
--- a/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
+++ b/examples/stokes_drag_particle_2d_hlbm_gpu/sim.cpp
@@ -132,6 +132,7 @@ saw::error_or<void> setup_initial_conditions(
por_f.at(index).at({}) = {1};
rho.at({}) = {1};
auto& vel = vel_f.at(index);
+ vel.at({{0u}}) = 0.0002f;
auto eq = equilibrium<T,Desc>(rho,vel);
df = eq;
@@ -146,9 +147,6 @@ saw::error_or<void> setup_initial_conditions(
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}}) = 0.0002f;
- }
auto eq = equilibrium<T,Desc>(rho,vel);
df = eq;
diff --git a/examples/stokes_drag_particle_2d_psm_gpu/sim.cpp b/examples/stokes_drag_particle_2d_psm_gpu/sim.cpp
index 3ab3dda..9d678a8 100644
--- a/examples/stokes_drag_particle_2d_psm_gpu/sim.cpp
+++ b/examples/stokes_drag_particle_2d_psm_gpu/sim.cpp
@@ -134,6 +134,7 @@ saw::error_or<void> setup_initial_conditions(
por_f.at(index).at({}) = {1};
rho.at({}) = {1};
auto& vel = vel_f.at(index);
+ vel.at({{0u}}) = 0.0002f;
auto eq = equilibrium<T,Desc>(rho,vel);
@@ -149,9 +150,6 @@ saw::error_or<void> setup_initial_conditions(
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}}) = 0.0002f;
- }
auto eq = equilibrium<T,Desc>(rho,vel);
df = eq;
@@ -161,48 +159,6 @@ saw::error_or<void> setup_initial_conditions(
{{1u,1u}}
);
- saw::data<sch::Scalar<T>> eps;
- eps.at({}).set(1.5f);
- saw::data<sch::Scalar<T>> rad;
- rad.at({}).set(dim_y*0.1);
- 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> opa{p_pos,rad,eps};
- iterator<Desc::D>::apply(
- [&](auto& index){
- opa.apply(macros,index,{});
- },
- {},// 0-index
- df_f.get_dims()
- );
- */
-
- /*
- 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){
- porous_f.at(index).at({}) = 0.0;
- }
- },
- {},// 0-index
- df_f.get_dims()
- );
- */
-
return saw::make_void();
}