From 9e37ff62b668694f705a8d132469f40ead9f6f0f Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 5 Jun 2025 13:09:07 +0200
Subject: Dangling changes

---
 examples/particle_ibm.cpp | 86 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 examples/particle_ibm.cpp

(limited to 'examples/particle_ibm.cpp')

diff --git a/examples/particle_ibm.cpp b/examples/particle_ibm.cpp
new file mode 100644
index 0000000..a2b510e
--- /dev/null
+++ b/examples/particle_ibm.cpp
@@ -0,0 +1,86 @@
+#include "../c++/descriptor.hpp"
+
+#include <forstio/codec/data.hpp>
+
+namespace kel {
+namespace lbm {
+namespace sch {
+using namespace saw::schema;
+
+/**
+ * Basic distribution function
+ * Base type
+ * D
+ * Q
+ * Scalar factor
+ * D factor
+ * Q factor
+ */
+using T = Float32;
+using D2Q5 = Descriptor<2,5>;
+using D2Q9 = Descriptor<2,9>;
+
+template<typename Desc>
+using DfCell = Cell<T, Desc, 0, 0, 1>;
+
+template<typename Desc>
+using CellInfo = Cell<UInt8, D2Q9, 1, 0, 0>;
+
+/**
+ * Basic type for simulation
+ */
+template<typename Desc>
+using CellStruct = Struct<
+	Member<DfCell<Desc>, "dfs">,
+	Member<DfCell<Desc>, "dfs_old">,
+	Member<CellInfo<Desc>, "info">,
+	Member<UInt8, "geometry">,
+	Member<UInt32, "particle">
+>;
+
+
+using CavityFieldD2Q9 = CellField<D2Q9, CellStruct<D2Q9>>;
+}
+}
+}
+
+int main(int argc, char** argv){
+	using namespace kel::lbm;
+
+	std::string_view cfg_file_name = "config.json";
+	if(argc > 1){
+		cfg_file_name = argv[1];
+	}
+
+	auto eo_conf = load_lbm_config<sch::Float64,sch::Descriptor<2,9>>(cfg_file_name);
+	if(eo_conf.is_error()){
+		auto& err = eo_conf.get_error();
+		std::cerr<<"[Error]: "<<err.get_category();
+		auto err_msg = err.get_message();
+		if(!err_msg.empty()){
+			std::cerr<<" - "<<err_msg;
+		}
+		std::cerr<<std::endl;
+
+		return err.get_id();
+	}
+
+	auto& conf = eo_conf.get_value();
+
+	converter<sch::Float64> conv{
+		{conf.template get<"delta_x">()},
+		{conf.template get<"delta_t">()}
+	};
+
+	print_lbm_meta<sch::Float64,sch::Descriptor<2,9>>(conv, {conf.template get<"kinematic_viscosity">()});
+
+
+	saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>> dim{{128, 128}};
+
+	saw::data<sch::CavityFieldD2Q9, saw::encode::Native> lattice{dim};
+
+
+
+
+	return 0;
+}
-- 
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