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authorClaudius "keldu" Holeksa <mail@keldu.de>2026-09-03 13:42:38 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-09-03 13:42:38 +0200
commit576b566d09194e923f73e0aa5a576bfdb5cfe945 (patch)
tree51326d2b3652607325a800d80c4e52cc4ce1f404 /examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
parent8c2e629878ab1c73c73ae92d76e8883ccfa032a2 (diff)
downloadlibs-lbm-576b566d09194e923f73e0aa5a576bfdb5cfe945.tar.gz
Dangling
Diffstat (limited to 'examples/schaefer_turek_durst_krause_rannbacher/sim.cpp')
-rw-r--r--examples/schaefer_turek_durst_krause_rannbacher/sim.cpp28
1 files changed, 15 insertions, 13 deletions
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
index a152789..eeb1c54 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
@@ -46,19 +46,21 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
converter<T> conv {
// delta_x
- {{0.41 / dim_y}},
+ {{0.41 / (dim_y*N)}},
// delta_t
- {{1.067e-4}}
+ {{3e-3/(N*N)}}
};
- print_lbm_meta<T,Desc>(conv,{1e-3},{1e-4},{0.5 * dim_y});
+ print_lbm_meta<T,Desc>(conv,{1e-3},{0.3},{0.1});
+
+ std::cout<<"Inflow free flow velocity: "<<conv.velocity_si_to_lbm({0.3}).handle().get()<<std::endl;
// saw::data<sch::FixedArray<sch::UInt64,Desc::D>> meta{{dim_x,dim_y}};
- auto lbm_data_ptr = saw::heap<saw::data<sch::ChunkStruct<T,Desc>>>();
- auto lbm_macro_data_ptr = saw::heap<saw::data<sch::MacroStruct<T,Desc>>>();
+ auto lbm_data_ptr = saw::heap<saw::data<sch::ChunkStruct<T,Desc,N>>>();
+ auto lbm_macro_data_ptr = saw::heap<saw::data<sch::MacroStruct<T,Desc,N>>>();
auto lbm_particle_data_ptr = saw::heap<saw::data<sch::ParticleSpheroidGroup<T,Desc>>>();
- std::cout<<"Estimated Bytes: "<<memory_estimate<sch::ChunkStruct<T,Desc>,sch::MacroStruct<T,Desc>>().get()<<std::endl;
+ std::cout<<"Estimated Bytes: "<<memory_estimate<sch::ChunkStruct<T,Desc,N>,sch::MacroStruct<T,Desc,N>>().get()<<std::endl;
auto eo_aio = saw::setup_async_io();
if(eo_aio.is_error()){
@@ -82,14 +84,14 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
sycl_q.wait();
{
- auto eov = init<T,Desc,Coll>(conv,*lbm_data_ptr,*lbm_macro_data_ptr,*lbm_particle_data_ptr);
+ auto eov = init<T,Desc,Coll,N>(conv,*lbm_data_ptr,*lbm_macro_data_ptr,*lbm_particle_data_ptr);
if(eov.is_error()){
return eov;
}
}
- saw::data<sch::ChunkStruct<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_data{sycl_q};
- saw::data<sch::MacroStruct<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_macro_data{sycl_q};
+ saw::data<sch::ChunkStruct<T,Desc,N>, encode::Sycl<saw::encode::Native>> lbm_sycl_data{sycl_q};
+ saw::data<sch::MacroStruct<T,Desc,N>, encode::Sycl<saw::encode::Native>> lbm_sycl_macro_data{sycl_q};
saw::data<sch::ParticleSpheroidGroup<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_particle_data{sycl_q};
sycl_q.wait();
@@ -123,7 +125,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
for(saw::data<sch::UInt64> i{0u}; i < time_steps and krun; ++i){
// BC + Collision
{
- auto eov = step<T,Desc,Coll>(conv,lsd_view,lsdm_view,lsdp_view,i,dev);
+ auto eov = step<T,Desc,Coll,N>(conv,lsd_view,lsdm_view,lsdp_view,i,dev);
if(eov.is_error()){
return eov;
}
@@ -212,11 +214,11 @@ saw::error_or<void> k_main(int argc, char** argv){
auto& coupling = an.template get<"coupling">();
if(coupling.stl_view() == "hlbm"){
- return lbm_main<FloatT,DescT,method::Hlbm,1u>(args);
+ return lbm_main<FloatT,DescT,method::Hlbm,2u>(args);
} else if(coupling.stl_view() == "fplbm"){
- return lbm_main<FloatT,DescT,method::FpLbm,1u>(args);
+ return lbm_main<FloatT,DescT,method::FpLbm,2u>(args);
} else if(coupling.stl_view() == "psm"){
- return lbm_main<FloatT,DescT,method::Psm,1u>(args);
+ return lbm_main<FloatT,DescT,method::Psm,2u>(args);
}
return saw::make_error<saw::err::critical>("Invalid coupling");