Improve physical geometry, fluid solvers, audio, and profiling

engines/triple.toml

@@ -1,5 +1,5 @@
 # Engine definition. Dimensional keys state their units.
-schema_version = 1
+schema_version = 2
 id = "triple"
 name = "1.0 litre / inline triple"
 category = "Inline three"
@@ -7,9 +7,11 @@ description = "Unequal primaries / small junctions / staged collectors / EFI"
 order = 21
 cycle = "four_stroke"
 
+[simulation]
+cells_per_meter = 20.0
+
 [engine]
 bank_angle_deg = 60.0
-collector_volume_litres = 0.75
 cylinders = 3
 initial_rpm = 1400.0
 initialize_phased_charge = true
@@ -18,7 +20,6 @@ maximum_load_torque_nm = 30.0
 minimum_substeps = 1
 phase_degrees = [0.0, 480.0, 240.0]
 pipe_damping = 0.0
-plenum_volume_litres = 3.0
 starter_torque_nm = 24.99852
 throttle_diameter_mm = 65.0
 topology = "staged"
@@ -31,18 +32,12 @@ burn_duration_deg = 60.0
 burn_start_deg = 5.0
 compression = 10.0
 energy_variation = 0.05
-exhaust_close_deg = 390.0
-exhaust_open_deg = 130.0
 exhaust_valve_count = 1
 exhaust_valve_diameter_mm = 25.28
-exhaust_valve_lift_mm = 7.110001
 fuel_lhv_j_per_kg = 4.4e+07
 heat_transfer = 100.0
-intake_close_deg = 590.0
-intake_open_deg = 340.0
 intake_valve_count = 1
 intake_valve_diameter_mm = 30.02
-intake_valve_lift_mm = 7.900001
 misfire_probability = 0.0
 rod_mm = 122.4
 stroke_mm = 68.0
@@ -101,47 +96,285 @@ system = "injection"
 
 [junctions]
 h_pipe = true
-junction_volume_cc = 50.0
 
 [[pipes]]
 id = "intake"
-cells = 4
 diameter_mm = 75.0
-length_mm = 200.0
 
 [[pipes]]
 id = "runners"
 count = 3
-cells = 5
 diameter_mm = 35.0
-length_mm = 250.0
 
 [[pipes]]
 id = "primary_1"
-cells = 11
 diameter_mm = 38.0
-length_mm = 520.0
 
 [[pipes]]
 id = "primary_2"
-cells = 12
 diameter_mm = 38.0
-length_mm = 585.0
 
 [[pipes]]
 id = "primary_3"
-cells = 13
 diameter_mm = 38.0
-length_mm = 650.0
 
 [[pipes]]
 id = "tailpipe_7"
-cells = 30
 diameter_mm = 60.0
-length_mm = 1500.0
 
 [[pipes]]
 id = "secondary_8"
-cells = 9
 diameter_mm = 48.0
-length_mm = 420.0
+
+[cam.intake]
+points = [
+  [0.000, 0.000000],
+  [340.000, 0.000000],
+  [345.000, 0.143590],
+  [350.000, 0.542003],
+  [355.000, 1.146701],
+  [360.000, 1.909146],
+  [365.000, 2.780800],
+  [370.000, 3.713127],
+  [375.000, 4.657588],
+  [380.000, 5.565646],
+  [385.000, 6.388762],
+  [390.000, 7.078401],
+  [395.000, 7.586023],
+  [400.000, 7.863092],
+  [402.500, 7.900001],
+  [527.500, 7.900001],
+  [532.500, 7.756411],
+  [537.500, 7.357998],
+  [542.500, 6.753300],
+  [547.500, 5.990855],
+  [552.500, 5.119201],
+  [557.500, 4.186874],
+  [562.500, 3.242413],
+  [567.500, 2.334355],
+  [572.500, 1.511239],
+  [577.500, 0.821600],
+  [582.500, 0.313978],
+  [587.500, 0.036909],
+  [590.000, 0.000000],
+  [720.000, 0.000000]
+]
+
+[cam.exhaust]
+points = [
+  [0.000, 0.000000],
+  [130.000, 0.000000],
+  [135.000, 0.119741],
+  [140.000, 0.453072],
+  [145.000, 0.961161],
+  [150.000, 1.605171],
+  [155.000, 2.346268],
+  [160.000, 3.145617],
+  [165.000, 3.964384],
+  [170.000, 4.763733],
+  [175.000, 5.504830],
+  [180.000, 6.148840],
+  [185.000, 6.656929],
+  [190.000, 6.990260],
+  [195.000, 7.110001],
+  [325.000, 7.110001],
+  [330.000, 6.990260],
+  [335.000, 6.656929],
+  [340.000, 6.148840],
+  [345.000, 5.504830],
+  [350.000, 4.763733],
+  [355.000, 3.964384],
+  [360.000, 3.145617],
+  [365.000, 2.346268],
+  [370.000, 1.605171],
+  [375.000, 0.961161],
+  [380.000, 0.453072],
+  [385.000, 0.119741],
+  [390.000, 0.000000],
+  [720.000, 0.000000]
+]
+
+[valves.intake]
+mass_g = 35.0
+spring_rate_n_per_mm = 38.0
+damping_n_s_per_m = 24.0
+seat_force_n = 75.0
+maximum_lift_mm = 15.0
+seat_restitution = 0.005
+cam_restitution = 0.01
+stop_restitution = 0.01
+
+[valves.exhaust]
+mass_g = 35.0
+spring_rate_n_per_mm = 38.0
+damping_n_s_per_m = 24.0
+seat_force_n = 75.0
+maximum_lift_mm = 15.0
+seat_restitution = 0.005
+cam_restitution = 0.01
+stop_restitution = 0.01
+
+[valve_sound]
+mode_hz = 3600.0
+effective_mass_g = 180.0
+radiation_area_cm2 = 10.0
+damping_ratio = 0.9
+
+[[geometry.cylinders]]
+origin_mm = [ -97, 0, 0 ]
+tilt_deg = 0.0
+
+[[geometry.cylinders]]
+origin_mm = [ 0, 0, 0 ]
+tilt_deg = 0.0
+
+[[geometry.cylinders]]
+origin_mm = [ 97, 0, 0 ]
+tilt_deg = 0.0
+
+# intake
+[[geometry.pipes]]
+index = 0
+points_mm = [
+  [ -345.5, 155.9556, -352.7 ],
+  [ -145.5, 155.9556, -352.7 ]
+]
+
+# runners 1
+[[geometry.pipes]]
+index = 1
+points_mm = [
+  [ -97, 155.9556, -281.6 ],
+  [ -97, 155.9556, -31.6 ]
+]
+
+# runners 2
+[[geometry.pipes]]
+index = 2
+points_mm = [
+  [ 0, 155.9556, -281.6 ],
+  [ 0, 155.9556, -31.6 ]
+]
+
+# runners 3
+[[geometry.pipes]]
+index = 3
+points_mm = [
+  [ 97, 155.9556, -281.6 ],
+  [ 97, 155.9556, -31.6 ]
+]
+
+# primary_1
+[[geometry.pipes]]
+index = 4
+points_mm = [
+  [ -97, 155.9556, 39.5 ],
+  [ -96.0215, 153.1933, 51.498 ],
+  [ -93.2563, 148.862, 61.7643 ],
+  [ -88.9596, 143.0867, 70.4309 ],
+  [ -83.3866, 135.9922, 77.6302 ],
+  [ -76.7926, 127.7034, 83.4941 ],
+  [ -69.4328, 118.3452, 88.1548 ],
+  [ -61.5625, 108.0425, 91.7445 ],
+  [ -53.437, 96.9201, 94.3953 ],
+  [ -45.3115, 85.103, 96.2394 ],
+  [ -37.4412, 72.716, 97.4088 ],
+  [ -30.0814, 59.884, 98.0358 ],
+  [ -23.4874, 46.7319, 98.2525 ],
+  [ -17.9144, 33.3846, 98.191 ],
+  [ -13.6177, 19.9669, 97.9834 ],
+  [ -10.8525, 6.6038, 97.762 ],
+  [ -9.874, -6.5798, 97.6589 ]
+]
+
+# primary_2
+[[geometry.pipes]]
+index = 5
+points_mm = [
+  [ 0, 155.9556, 39.5 ],
+  [ 0, 153.2938, 50.2812 ],
+  [ 0, 148.8738, 59.6443 ],
+  [ 0, 142.8582, 67.689 ],
+  [ 0, 135.4095, 74.515 ],
+  [ 0, 126.6903, 80.2221 ],
+  [ 0, 116.8632, 84.9099 ],
+  [ 0, 106.0908, 88.678 ],
+  [ 0, 94.5355, 91.6263 ],
+  [ 0, 82.36, 93.8543 ],
+  [ 0, 69.7268, 95.4619 ],
+  [ 0, 56.7985, 96.5485 ],
+  [ 0, 43.7377, 97.2141 ],
+  [ 0, 30.7069, 97.5582 ],
+  [ 0, 17.8686, 97.6806 ],
+  [ 0, 5.3855, 97.6809 ],
+  [ 0, -6.5798, 97.6589 ]
+]
+
+# primary_3
+[[geometry.pipes]]
+index = 6
+points_mm = [
+  [ 97, 155.9556, 39.5 ],
+  [ 96.0215, 153.1933, 51.498 ],
+  [ 93.2563, 148.862, 61.7643 ],
+  [ 88.9596, 143.0867, 70.4309 ],
+  [ 83.3866, 135.9922, 77.6302 ],
+  [ 76.7926, 127.7034, 83.4941 ],
+  [ 69.4328, 118.3452, 88.1548 ],
+  [ 61.5625, 108.0425, 91.7445 ],
+  [ 53.437, 96.9201, 94.3953 ],
+  [ 45.3115, 85.103, 96.2394 ],
+  [ 37.4412, 72.716, 97.4088 ],
+  [ 30.0814, 59.884, 98.0358 ],
+  [ 23.4874, 46.7319, 98.2525 ],
+  [ 17.9144, 33.3846, 98.191 ],
+  [ 13.6177, 19.9669, 97.9834 ],
+  [ 10.8525, 6.6038, 97.762 ],
+  [ 9.874, -6.5798, 97.6589 ]
+]
+
+# tailpipe_7
+[[geometry.pipes]]
+index = 7
+points_mm = [
+  [ 218.4202, -70, 164.25 ],
+  [ 1718.4201, -70, 164.25 ]
+]
+
+# secondary_8
+[[geometry.pipes]]
+index = 8
+points_mm = [
+  [ 18.4202, -29.1445, 109.776 ],
+  [ 29.9012, -29.5568, 110.3258 ],
+  [ 40.8688, -30.722, 111.8793 ],
+  [ 51.3963, -32.5324, 114.2932 ],
+  [ 61.5571, -34.8806, 117.4242 ],
+  [ 71.4246, -37.659, 121.1287 ],
+  [ 81.072, -40.7601, 125.2635 ],
+  [ 90.5727, -44.0763, 129.685 ],
+  [ 100, -47.5, 134.25 ],
+  [ 109.4274, -50.9237, 138.815 ],
+  [ 118.9281, -54.2399, 143.2365 ],
+  [ 128.5754, -57.341, 147.3713 ],
+  [ 138.4429, -60.1194, 151.0758 ],
+  [ 148.6037, -62.4676, 154.2068 ],
+  [ 159.1312, -64.278, 156.6207 ],
+  [ 170.0988, -65.4432, 158.1742 ],
+  [ 181.5798, -65.8555, 158.724 ]
+]
+
+[[geometry.volumes]]
+id = "intake_plenum"
+center_mm = [ 0, 155.9556, -352.7 ]
+size_mm = [ 291, 72.4984, 142.2 ]
+
+[[geometry.volumes]]
+id = "junction_0"
+center_mm = [ 0, -25, 104.25 ]
+size_mm = [ 36.8403, 36.8403, 36.8403 ]
+
+[[geometry.volumes]]
+id = "junction_1"
+center_mm = [ 200, -70, 164.25 ]
+size_mm = [ 36.8403, 36.8403, 36.8403 ]