summaryrefslogtreecommitdiff
path: root/lib/core/c++/particle/geometry
diff options
context:
space:
mode:
authorClaudius "keldu" Holeksa <mail@keldu.de>2026-03-02 21:11:15 +0100
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-03-02 21:11:21 +0100
commit8be0ee7f948c52c1e71e2437bf6e15800daca47d (patch)
treec9208f2e566e91294b349ec5808f0f826cfb08ec /lib/core/c++/particle/geometry
parent971250070e7b27590d215de54116f3990ab8ff5a (diff)
downloadlibs-lbm-8be0ee7f948c52c1e71e2437bf6e15800daca47d.tar.gz
Dangling
Diffstat (limited to 'lib/core/c++/particle/geometry')
-rw-r--r--lib/core/c++/particle/geometry/circle.hpp33
1 files changed, 26 insertions, 7 deletions
diff --git a/lib/core/c++/particle/geometry/circle.hpp b/lib/core/c++/particle/geometry/circle.hpp
index 331f06d..cf9b87e 100644
--- a/lib/core/c++/particle/geometry/circle.hpp
+++ b/lib/core/c++/particle/geometry/circle.hpp
@@ -5,7 +5,7 @@
namespace kel {
namespace lbm {
-template<typename T>
+template<typename T, uint64_t D>
class particle_circle_geometry {
private:
public:
@@ -13,8 +13,8 @@ public:
{}
template<typename MT = T>
- saw::data<sch::ParticleMask<MT,2>> generate_mask(uint64_t resolution, uint64_t boundary_nodes = 0) const {
- saw::data<sch::ParticleMask<MT,2>> mask;
+ saw::data<sch::ParticleMask<MT,D>> generate_mask(uint64_t resolution, uint64_t boundary_nodes = 0) const {
+ saw::data<sch::ParticleMask<MT,D>> mask;
auto& grid = mask.template get<"grid">();
auto& com = mask.template get<"center_of_mass">();
@@ -28,6 +28,24 @@ public:
saw::data<T> delta_x{static_cast<typename saw::native_data_type<T>::type>(2.0 / static_cast<double>(diameter_i))};
saw::data<T> center = (saw::data<T>{1.0} + saw::data<T>{2.0} * saw::data<T>{static_cast<saw::native_data_type<T>::type>(boundary_nodes)/diameter_i});
+ saw::data<sch::FixedArray<sch::UInt64,D>> boundary_arr;
+ for(uint64_t i = 0u; i < D; ++i){
+ boundary_arr.set(boundary_nodes);
+ }
+
+ iterator<D>::apply([&](const auto& index){
+ grid.at(index).set(0);
+ }, {}, grid.dims());
+
+ iterator<D>::apply([&](const auto& index){
+ saw::data<sch::Vector<T,D>> f_ind;
+ for(uint64_t i = 0u; i < D; ++i){
+ f_ind.at({{i}}) = (index.at({{i}}) + 0.5) * delta_x - center;
+ }
+
+ auto norm_f_ind = saw::math::norm(f_ind);
+ }, {}, grid.dims(),boundary_arr);
+
for(uint64_t i = 0; i < size; ++i){
for(uint64_t j = 0; j < size; ++j){
grid.at({{i,j}}).set(0);
@@ -43,18 +61,19 @@ public:
}
}
+ // I don't fully remember what this did
saw::data<T> total_mass{};
- iterate_over([&](const saw::data<sch::FixedArray<sch::UInt64,2u>>& index){
+ iterator::apply<D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,D>>& index){
auto ind_vec = saw::math::vectorize_data(index).template cast_to<T>();
- for(uint64_t i{0u}; i < 2u; ++i){
+ for(uint64_t i{0u}; i < D; ++i){
ind_vec.at({{i}}) = ind_vec.at({{i}}) * grid.at(index);
}
com = com + ind_vec;
total_mass = total_mass + grid.at(index);
- },{{0u,0u}}, grid.dims());
+ },{}, grid.dims());
- for(uint64_t i{0u}; i < 2u; ++i){
+ for(uint64_t i{0u}; i < D; ++i){
com.at({{i}}) = com.at({{i}}) / total_mass;
}