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refined

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This commit is contained in:
max
2026-05-07 23:55:02 +02:00
parent b3230844b7
commit b7a40217db
5 changed files with 123 additions and 144 deletions
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33
Scenarios/TestScenario.cs
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@@ -38,7 +38,7 @@ namespace FluidSim.Tests
// ---------- Throttle control ----------
public double Throttle { get; set; } = 0.0;
public double MaxThrottleArea { get; set; } = 6 * Units.cm2; // 2 cm²
public double MaxThrottleArea { get; set; } = 3 * Units.cm2; // 2 cm²
public override void Initialize(int sampleRate)
{
@@ -49,37 +49,38 @@ namespace FluidSim.Tests
solver.CflTarget = 0.9;
// ---- Crankshaft (external, passed to cylinder) ----
crankshaft = new Crankshaft(1000);
crankshaft.Inertia = 0.05;
crankshaft = new Crankshaft(600);
crankshaft.Inertia = 0.1;
crankshaft.FrictionConstant = 2;
crankshaft.FrictionViscous = 0.05;
crankshaft.FrictionViscous = 0.04;
// ---- Cylinder ----
double bore = 0.056, stroke = 0.057, conRod = 0.110, compRatio = 9.2;
double ivo = 370.0, ivc = 580.0, evo = 120.0, evc = 350.0;
double ivo = 350.0, ivc = 580.0, evo = 120.0, evc = 370.0;
cylinder = new Cylinder(bore, stroke, conRod, compRatio, ivo, ivc, evo, evc, crankshaft)
{
MaxIntakeArea = 3.7 * Units.cm2,
MaxExhaustArea = 3.7 * Units.cm2,
IntakeValveDiameter = 30 * Units.mm, // 30 mm
IntakeValveLift = 5 * Units.mm, // 5 mm
ExhaustValveDiameter = 28 * Units.mm, // 28 mm
ExhaustValveLift = 5 * Units.mm // 5 mm
};
solver.AddComponent(cylinder);
double pipeDiameter = 2 * Units.cm;
double pipeArea = Units.AreaFromDiameter(pipeDiameter);
exhaustSoundProcessor = new SoundProcessor(sampleRate, 1, pipeDiameter) { Gain = 0.05f };
intakeSoundProcessor = new SoundProcessor(sampleRate, 1, pipeDiameter) { Gain = 0.05f };
exhaustSoundProcessor = new SoundProcessor(sampleRate, 1, pipeDiameter) { Gain = 0.1f };
intakeSoundProcessor = new SoundProcessor(sampleRate, 1, pipeDiameter) { Gain = 0.1f };
reverb = new OutdoorExhaustReverb(sampleRate);
// ---- Pipes ----
intakePipeBeforeThrottle = new Pipe1D(0.15, pipeArea, 5);
intakeRunner = new Pipe1D(0.1, pipeArea, 5);
exhaustPipe = new Pipe1D(1.00, pipeArea, 80);
intakePipeBeforeThrottle = new Pipe1D(0.2, pipeArea, 10);
intakeRunner = new Pipe1D(0.2, pipeArea, 10);
exhaustPipe = new Pipe1D(0.5, pipeArea, 50);
solver.AddComponent(intakePipeBeforeThrottle);
solver.AddComponent(intakeRunner);
solver.AddComponent(exhaustPipe);
// ---- Plenum (5 mL) ----
intakePlenum = new Volume0D(5 * Units.mL, 101325.0, 300.0);
var plenumInlet = intakePlenum.CreatePort();
var plenumOutlet = intakePlenum.CreatePort();
@@ -95,9 +96,9 @@ namespace FluidSim.Tests
// ---- Throttle orifice (variable area) ----
throttleOrifice = new OrificeLink(plenumInlet, intakePipeBeforeThrottle, isPipeLeftEnd: false,
areaProvider: () => MaxThrottleArea * Math.Clamp(Throttle, 0.001, 1))
areaProvider: () => MaxThrottleArea * Math.Clamp(Throttle, 0.0001, 1))
{
DischargeCoefficient = 0.1,
DischargeCoefficient = 0.2,
UseInertance = false
};
solver.AddOrificeLink(throttleOrifice);
@@ -170,7 +171,7 @@ namespace FluidSim.Tests
float exhaustDry = exhaustSoundProcessor.Process(exhaustOpenEnd);
float intakeDry = intakeSoundProcessor.Process(intakeOpenEnd);
return reverb.Process(intakeDry + exhaustDry);
return reverb.Process(exhaustDry + intakeDry);
}
public override void Draw(RenderWindow target)