grillkol/FluidSimCpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improve physical geometry, fluid solvers, audio, and profiling

Browse Source
This commit is contained in:
max
2026-10-30 18:57:56 +01:00
parent bf8621ad39
commit eb2b6366c2
130 changed files with 14649 additions and 862 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/FluidSim/PipeProfile.hpp
View File

@@ -6,6 +6,10 @@ namespace fluidsim::port {
struct PipeSection {
float length, inlet_diameter, outlet_diameter;
};
inline int profile_section_cells(float length,float maximum_cell_length) {
const double count=double(length)/maximum_cell_length;
return std::max(1,static_cast<int>(std::ceil(count-1e-6*std::max(1.,count))));
}
// Linear diameter within each section. Cell area is the exact frustum-volume
// average, so refining the mesh preserves the specified chamber volume.
@@ -20,7 +24,7 @@ inline Pipe1D make_profiled_pipe(std::span<const PipeSection> sections, float ma
section.inlet_diameter <= 0 || section.outlet_diameter <= 0 ||
std::abs(section.inlet_diameter - previous_diameter) > 1e-6f)
throw std::invalid_argument("invalid/discontinuous pipe profile");
const int count = static_cast<int>(std::ceil(section.length / maximum_cell_length));
const int count = profile_section_cells(section.length,maximum_cell_length);
for (int i = 0; i < count; ++i) {
const float d0 = std::lerp(section.inlet_diameter, section.outlet_diameter, float(i) / count);
const float d1 = std::lerp(section.inlet_diameter, section.outlet_diameter, float(i + 1) / count);