From 9a1ee9e0b348f75f5f4f8fb41ea901a0dea02f13 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 25 Aug 2026 16:49:40 +0200
Subject: Weird things are happening?

---
 .../schaefer_turek_durst_krause_rannbacher/sim.cpp |  4 ++--
 .../step.hpp                                       | 22 ++++++----------------
 2 files changed, 8 insertions(+), 18 deletions(-)

(limited to 'examples/schaefer_turek_durst_krause_rannbacher')

diff --git a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
index 59f61d9..5a92681 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
@@ -48,7 +48,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 		// delta_x
 		{{0.41 / dim_y}},
 		// delta_t
-		{{1.067e-4 * 0.5}}
+		{{1.067e-4}}
 	};
 	
 	print_lbm_meta<T,Desc>(conv,{1e-3},{1e-4},{0.5 * dim_y});
@@ -122,7 +122,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 	auto lsdm_view = make_view(lbm_sycl_macro_data);
 	auto lsdp_view = make_view(lbm_sycl_particle_data);
 	
-	saw::data<sch::UInt64> time_steps{128u*1024ul};
+	saw::data<sch::UInt64> time_steps{64u*1024ul};
 
 	auto& info_f = lsd_view.template get<"info">();
 
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/step.hpp b/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
index beb123b..9a75e6f 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
@@ -46,7 +46,7 @@ saw::error_or<void> step(
 		}).wait();
 
 		q.submit([&](acpp::sycl::handler& h){
-			component<T,Desc,cmpt::Hlbm,encode::Sycl<saw::encode::Native>> collision{0.75};
+			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};
 
@@ -72,19 +72,9 @@ saw::error_or<void> step(
 							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;
-									saw::data<T> scale;
-									{
-										scale.set([&](){
-											if(t_i.get() > 1024u){
-												return 1.0f;
-											}
-
-											return t_i.get() / 1024.0f;
-										}());
-									}
 									{
 										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() * scale;
+										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;
@@ -131,8 +121,8 @@ saw::error_or<void> step(
 
 		// auto coll_ev = 
 		q.submit([&](acpp::sycl::handler& h){
-			component<T,Desc,cmpt::BGK,encode::Sycl<saw::encode::Native>> bgk{0.75};
-			component<T,Desc,cmpt::FpLbm,encode::Sycl<saw::encode::Native>> collision{0.75};
+			component<T,Desc,cmpt::BGK,encode::Sycl<saw::encode::Native>> bgk{1.0};
+			component<T,Desc,cmpt::FpLbm,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};
 
@@ -207,8 +197,8 @@ saw::error_or<void> step(
 
 		// auto coll_ev = 
 		q.submit([&](acpp::sycl::handler& h){
-			component<T,Desc,cmpt::BGK,encode::Sycl<saw::encode::Native>> bgk{0.75};
-			component<T,Desc,cmpt::Psm,encode::Sycl<saw::encode::Native>> collision{0.75};
+			component<T,Desc,cmpt::BGK,encode::Sycl<saw::encode::Native>> bgk{1.0};
+			component<T,Desc,cmpt::Psm,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};
 
-- 
cgit v1.2.3