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grillkol
2026-10-23 03:00:20 +02:00
parent 589d22aa5e
commit 7a5c77c1c8
31 changed files with 1196 additions and 44 deletions
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11
src/scenario.cpp
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@@ -81,7 +81,8 @@ FourStrokeScenario::FourStrokeScenario(int sample_rate, FourStrokePreset selecte
solver_.add_component(intake_plenum);
solver_.add_component(exhaust_collector);
if (turbo_enabled) {
turbo = std::make_unique<Turbocharger>();
turbo = std::make_unique<Turbocharger>(saab ? TurboConfig::gt17() : TurboConfig{});
ecu.boost_control_enabled = saab;
const int fresh = 2+2*count, exhaust_exit = fresh+1;
boundaries_.add_orifice(intake_atmosphere.port, fresh, true, intake_boundary_area_);
turbo->connect(boundaries_, pipes, fresh, false, 0, true, 1+2*count, false, exhaust_exit, true);
@@ -109,6 +110,10 @@ AudioFrame FourStrokeScenario::process() {
const std::lock_guard guard(mutex_);
step_motorcycle(crankshaft, dt_, preset == FourStrokePreset::SaabB205 ? 200.f : 30.f);
ecu.step(dt_, throttle, crankshaft.omega * 60 / (2*pi));
if (turbo) {
ecu.control_boost(dt_, throttle, crankshaft.omega * 60/(2*pi), intake_plenum.pressure(), turbo->compressor_outlet.pressure());
turbo->set_wastegate_duty(ecu.wastegate_duty());
}
const auto engines = cylinders();
for (int i = 0; i < cylinder_count(); ++i) {
auto& c = *engines[i];
@@ -180,6 +185,8 @@ ScenarioSnapshot FourStrokeScenario::snapshot() const {
const std::lock_guard<std::mutex> guard(mutex_);
ScenarioSnapshot result;
result.turbo_enabled = bool(turbo);
result.boost_target = ecu.boost_target();
result.wastegate_duty = ecu.wastegate_duty();
if (turbo) result.turbo = turbo->snapshot();
result.solver_substeps = solver_.substep_count();
result.boundary_iterations = boundaries_.nonlinear_iterations;
@@ -240,7 +247,7 @@ std::vector<Pipe1D> FourStrokeScenario::create_pipes(FourStrokePreset preset, bo
result.emplace_back(area_for_diameter(saab ? .032f : .0275f), saab ? .25f : .12f, 10);
for (int i = 0; i < count; ++i)
result.emplace_back(area_for_diameter(saab ? .034f : .028f), saab ? .28f : .20f, saab ? 10 : 6);
result.emplace_back(area_for_diameter(saab ? .060f : .028f), turbo_enabled ? .12f : (saab ? 1.4f : .40f), saab ? 40 : 10);
result.emplace_back(area_for_diameter(saab ? .060f : .028f), turbo_enabled ? .12f : (saab ? 1.4f : .40f), saab ? (turbo_enabled ? 8 : 40) : 10);
if (turbo_enabled) {
result.emplace_back(area_for_diameter(saab ? .060f : .0275f), .10f, 8);
result.emplace_back(area_for_diameter(saab ? .060f : .032f), .60f, 24);