Improve physical geometry, fluid solvers, audio, and profiling

engines/yz-fat.toml

@@ -1,5 +1,5 @@
 # Engine definition. Dimensional keys state their units.
-schema_version = 1
+schema_version = 2
 id = "yz-fat"
 name = "125 / wide belly chamber"
 category = "Two-stroke / 125 cc"
@@ -7,16 +7,19 @@ description = "Estimated chamber geometry / same 125 cc engine"
 order = 14
 cycle = "two_stroke"
 
+[simulation]
+cells_per_meter = 100.0
+
 [two_stroke]
+reed_pipe_diameter_mm = 40
+transfer_pipe_diameter_mm = 32
 initial_rpm = 3000.0
 starter_torque_nm = 8.0
 maximum_load_torque_nm = 10.0
 crankshaft_inertia_kg_m2 = 0.01
 bore_mm = 54.0
 carburetor_diameter_mm = 38.1
-crankcase_clearance_cc = 150.0
 exhaust = "racing"
-exhaust_cell_length_mm = 10.0
 exhaust_duration_deg = 190.0
 exhaust_width_mm = 36.0
 friction_bar = 0.4
@@ -66,3 +69,69 @@ final_drive_ratio = 3.769231
 mass_kg = 170
 wheel_radius_mm = 331.3
 gear_ratios = [2.384615, 1.933333, 1.588235, 1.352941, 1.176471, 1.055556]
+
+[[geometry.cylinders]]
+origin_mm = [ 0, 0, 0 ]
+tilt_deg = 0.0
+
+# intake
+[[geometry.pipes]]
+index = 0
+points_mm = [
+  [ -235.9365, 16.1836, 0 ],
+  [ -135.9365, 16.1836, 0 ]
+]
+
+# reed passage
+[[geometry.pipes]]
+index = 1
+points_mm = [
+  [ -56.5664, 16.1836, 0 ],
+  [ -26.5664, 16.1836, 0 ]
+]
+
+# transfer passage
+[[geometry.pipes]]
+index = 2
+points_mm = [
+  [ 26.5664, 42.75, 0 ],
+  [ 30.8157, 45.5218, 0 ],
+  [ 34.5021, 48.2991, 0 ],
+  [ 37.6254, 51.0817, 0 ],
+  [ 40.1858, 53.8698, 0 ],
+  [ 42.1833, 56.6633, 0 ],
+  [ 43.6178, 59.4623, 0 ],
+  [ 44.4893, 62.2667, 0 ],
+  [ 44.7979, 65.0764, 0 ],
+  [ 44.5435, 67.8916, 0 ],
+  [ 43.7262, 70.7123, 0 ],
+  [ 42.3459, 73.5383, 0 ],
+  [ 40.4026, 76.3698, 0 ],
+  [ 37.8964, 79.2067, 0 ],
+  [ 34.8272, 82.0491, 0 ],
+  [ 31.1951, 84.8968, 0 ],
+  [ 27, 87.75, 0 ]
+]
+
+# exhaust chamber
+[[geometry.pipes]]
+index = 3
+points_mm = [
+  [ 27, 112.25, 0 ],
+  [ 177.3508, 57.5268, 0 ],
+  [ 253.4221, -105.6086, 0 ],
+  [ 144.4426, -261.2475, 0 ],
+  [ 14.4426, -261.2475, 0 ],
+  [ -182.8929, -189.4233, 0 ],
+  [ -422.8929, -189.4233, 0 ]
+]
+
+[[geometry.volumes]]
+id = "intake_plenum"
+center_mm = [ -96.2515, 16.1836, 0 ]
+size_mm = [ 79.3701, 79.3701, 79.3701 ]
+
+[[geometry.volumes]]
+id = "crankcase"
+center_mm = [ 0, 16.1836, 0 ]
+size_mm = [ 53.1329, 53.1329, 53.1329 ]