Improve physical geometry, fluid solvers, audio, and profiling

engines/fifty.toml

@@ -1,5 +1,5 @@
 # Engine definition. Dimensional keys state their units.
-schema_version = 1
+schema_version = 2
 id = "fifty"
 name = "50 cc / little screamer"
 category = "Two-stroke / 50 cc"
@@ -7,16 +7,19 @@ description = "Concept single / transported carb fuel"
 order = 15
 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 = 0.004006997
 bore_mm = 40.0
 carburetor_diameter_mm = 19.0
-crankcase_clearance_cc = 60.10495
 exhaust = "racing"
-exhaust_cell_length_mm = 15.0
 exhaust_duration_deg = 190.0
 exhaust_width_mm = 26.54048
 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 = [
+  [ -228.9558, 1.6102, 0 ],
+  [ -128.9558, 1.6102, 0 ]
+]
+
+# reed passage
+[[geometry.pipes]]
+index = 1
+points_mm = [
+  [ -49.5857, 1.6102, 0 ],
+  [ -19.5857, 1.6102, 0 ]
+]
+
+# transfer passage
+[[geometry.pipes]]
+index = 2
+points_mm = [
+  [ 19.5857, 21.1959, 0 ],
+  [ 23.8339, 23.9696, 0 ],
+  [ 27.519, 26.7484, 0 ],
+  [ 30.6412, 29.5324, 0 ],
+  [ 33.2004, 32.3215, 0 ],
+  [ 35.1967, 35.1159, 0 ],
+  [ 36.63, 37.9155, 0 ],
+  [ 37.5003, 40.7202, 0 ],
+  [ 37.8077, 43.5301, 0 ],
+  [ 37.5521, 46.3452, 0 ],
+  [ 36.7336, 49.1655, 0 ],
+  [ 35.352, 51.9909, 0 ],
+  [ 33.4076, 54.8215, 0 ],
+  [ 30.9001, 57.6574, 0 ],
+  [ 27.8297, 60.4984, 0 ],
+  [ 24.1963, 63.3446, 0 ],
+  [ 20, 66.1959, 0 ]
+]
+
+# exhaust chamber
+[[geometry.pipes]]
+index = 3
+points_mm = [
+  [ 20, 75.9959, 0 ],
+  [ 130.844, 35.652, 0 ],
+  [ 186.9265, -84.6172, 0 ],
+  [ 106.5828, -199.3597, 0 ],
+  [ 10.7422, -199.3597, 0 ],
+  [ -134.7406, -146.4083, 0 ],
+  [ -311.6772, -146.4083, 0 ]
+]
+
+[[geometry.volumes]]
+id = "intake_plenum"
+center_mm = [ -89.2708, 1.6102, 0 ]
+size_mm = [ 79.3701, 79.3701, 79.3701 ]
+
+[[geometry.volumes]]
+id = "crankcase"
+center_mm = [ 0, 1.6102, 0 ]
+size_mm = [ 39.1715, 39.1715, 39.1715 ]