Improve physical geometry, fluid solvers, audio, and profiling

engines/f20.toml

@@ -1,5 +1,5 @@
 # Engine definition. Dimensional keys state their units.
-schema_version = 1
+schema_version = 2
 id = "f20"
 name = "F20C-inspired / 2.0 high-rev four"
 category = "Inline four / specials"
@@ -7,9 +7,11 @@ description = "Unequal primaries / small junctions / staged collectors / EFI"
 order = 22
 cycle = "four_stroke"
 
+[simulation]
+cells_per_meter = 20.0
+
 [engine]
 bank_angle_deg = 60.0
-collector_volume_litres = 1.0
 cylinders = 4
 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, 180.0, 540.0, 360.0]
 pipe_damping = 0.0
-plenum_volume_litres = 4.0
 starter_torque_nm = 49.9353
 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 = 27.84
-exhaust_valve_lift_mm = 7.83
 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 = 33.06
-intake_valve_lift_mm = 8.7
 misfire_probability = 0.0
 rod_mm = 151.2
 stroke_mm = 84.0
@@ -101,59 +96,356 @@ 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 = 4
-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 = "primary_4"
-cells = 11
 diameter_mm = 38.0
-length_mm = 520.0
 
 [[pipes]]
 id = "tailpipe_9"
-cells = 30
 diameter_mm = 60.0
-length_mm = 1500.0
 
 [[pipes]]
 id = "secondary_10"
-cells = 9
 diameter_mm = 48.0
-length_mm = 420.0
 
 [[pipes]]
 id = "secondary_11"
-cells = 11
 diameter_mm = 48.0
-length_mm = 540.0
+
+[cam.intake]
+points = [
+  [0.000, 0.000000],
+  [340.000, 0.000000],
+  [345.000, 0.158131],
+  [350.000, 0.596890],
+  [355.000, 1.262822],
+  [360.000, 2.102477],
+  [365.000, 3.062400],
+  [370.000, 4.089139],
+  [375.000, 5.129242],
+  [380.000, 6.129254],
+  [385.000, 7.035725],
+  [390.000, 7.795200],
+  [395.000, 8.354227],
+  [400.000, 8.659354],
+  [402.500, 8.700000],
+  [527.500, 8.700000],
+  [532.500, 8.541869],
+  [537.500, 8.103110],
+  [542.500, 7.437178],
+  [547.500, 6.597523],
+  [552.500, 5.637600],
+  [557.500, 4.610861],
+  [562.500, 3.570758],
+  [567.500, 2.570746],
+  [572.500, 1.664275],
+  [577.500, 0.904800],
+  [582.500, 0.345773],
+  [587.500, 0.040646],
+  [590.000, 0.000000],
+  [720.000, 0.000000]
+]
+
+[cam.exhaust]
+points = [
+  [0.000, 0.000000],
+  [130.000, 0.000000],
+  [135.000, 0.131866],
+  [140.000, 0.498953],
+  [145.000, 1.058493],
+  [150.000, 1.767720],
+  [155.000, 2.583864],
+  [160.000, 3.464160],
+  [165.000, 4.365840],
+  [170.000, 5.246136],
+  [175.000, 6.062280],
+  [180.000, 6.771507],
+  [185.000, 7.331047],
+  [190.000, 7.698134],
+  [195.000, 7.830000],
+  [325.000, 7.830000],
+  [330.000, 7.698134],
+  [335.000, 7.331047],
+  [340.000, 6.771507],
+  [345.000, 6.062280],
+  [350.000, 5.246136],
+  [355.000, 4.365840],
+  [360.000, 3.464160],
+  [365.000, 2.583864],
+  [370.000, 1.767720],
+  [375.000, 1.058493],
+  [380.000, 0.498953],
+  [385.000, 0.131866],
+  [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 = [ -157.5, 0, 0 ]
+tilt_deg = 0.0
+
+[[geometry.cylinders]]
+origin_mm = [ -52.5, 0, 0 ]
+tilt_deg = 0.0
+
+[[geometry.cylinders]]
+origin_mm = [ 52.5, 0, 0 ]
+tilt_deg = 0.0
+
+[[geometry.cylinders]]
+origin_mm = [ 157.5, 0, 0 ]
+tilt_deg = 0.0
+
+# intake
+[[geometry.pipes]]
+index = 0
+points_mm = [
+  [ -410, 194.5333, -363.1 ],
+  [ -210, 194.5333, -363.1 ]
+]
+
+# runners 1
+[[geometry.pipes]]
+index = 1
+points_mm = [
+  [ -157.5, 194.5333, -284.8 ],
+  [ -157.5, 194.5333, -34.8 ]
+]
+
+# runners 2
+[[geometry.pipes]]
+index = 2
+points_mm = [
+  [ -52.5, 194.5333, -284.8 ],
+  [ -52.5, 194.5333, -34.8 ]
+]
+
+# runners 3
+[[geometry.pipes]]
+index = 3
+points_mm = [
+  [ 52.5, 194.5333, -284.8 ],
+  [ 52.5, 194.5333, -34.8 ]
+]
+
+# runners 4
+[[geometry.pipes]]
+index = 4
+points_mm = [
+  [ 157.5, 194.5333, -284.8 ],
+  [ 157.5, 194.5333, -34.8 ]
+]
+
+# primary_1
+[[geometry.pipes]]
+index = 5
+points_mm = [
+  [ -157.5, 194.5333, 43.5 ],
+  [ -156.9599, 191.2299, 56.8381 ],
+  [ -155.4334, 185.7695, 68.1689 ],
+  [ -153.0615, 178.3497, 77.6508 ],
+  [ -149.9852, 169.1678, 85.4419 ],
+  [ -146.3452, 158.4214, 91.7006 ],
+  [ -142.2825, 146.3079, 96.5849 ],
+  [ -137.9379, 133.0247, 100.2531 ],
+  [ -133.4525, 118.7693, 102.8634 ],
+  [ -128.9671, 103.7391, 104.5741 ],
+  [ -124.6226, 88.1316, 105.5434 ],
+  [ -120.5599, 72.1442, 105.9294 ],
+  [ -116.9199, 55.9744, 105.8905 ],
+  [ -113.8435, 39.8197, 105.5848 ],
+  [ -111.4716, 23.8774, 105.1705 ],
+  [ -109.9452, 8.3451, 104.806 ],
+  [ -109.4051, -6.5798, 104.6493 ]
+]
+
+# primary_2
+[[geometry.pipes]]
+index = 6
+points_mm = [
+  [ -52.5, 194.5333, 43.5 ],
+  [ -53.0401, 191.2299, 56.8381 ],
+  [ -54.5666, 185.7695, 68.1689 ],
+  [ -56.9385, 178.3497, 77.6508 ],
+  [ -60.0148, 169.1678, 85.4419 ],
+  [ -63.6548, 158.4214, 91.7006 ],
+  [ -67.7175, 146.3079, 96.5849 ],
+  [ -72.062, 133.0247, 100.2531 ],
+  [ -76.5475, 118.7693, 102.8634 ],
+  [ -81.0329, 103.7391, 104.5741 ],
+  [ -85.3774, 88.1316, 105.5434 ],
+  [ -89.4401, 72.1442, 105.9294 ],
+  [ -93.0801, 55.9744, 105.8905 ],
+  [ -96.1565, 39.8197, 105.5848 ],
+  [ -98.5284, 23.8774, 105.1705 ],
+  [ -100.0548, 8.3451, 104.806 ],
+  [ -100.5949, -6.5798, 104.6493 ]
+]
+
+# primary_3
+[[geometry.pipes]]
+index = 7
+points_mm = [
+  [ 52.5, 194.5333, 43.5 ],
+  [ 53.0401, 191.1567, 58.187 ],
+  [ 54.5666, 185.761, 71.4839 ],
+  [ 56.9385, 178.5161, 83.4517 ],
+  [ 60.0148, 169.5922, 94.1515 ],
+  [ 63.6548, 159.1591, 103.6443 ],
+  [ 67.7175, 147.387, 111.9912 ],
+  [ 72.062, 134.4458, 119.2533 ],
+  [ 76.5475, 120.5056, 125.4917 ],
+  [ 81.0329, 105.7364, 130.7675 ],
+  [ 85.3774, 90.3081, 135.1416 ],
+  [ 89.4401, 74.3909, 138.6753 ],
+  [ 93.0801, 58.1546, 141.4295 ],
+  [ 96.1565, 41.7694, 143.4654 ],
+  [ 98.5284, 25.4053, 144.8439 ],
+  [ 100.0548, 9.2322, 145.6263 ],
+  [ 100.5949, -6.5798, 145.8735 ]
+]
+
+# primary_4
+[[geometry.pipes]]
+index = 8
+points_mm = [
+  [ 157.5, 194.5333, 43.5 ],
+  [ 156.9599, 191.1567, 58.187 ],
+  [ 155.4334, 185.761, 71.4839 ],
+  [ 153.0615, 178.5161, 83.4517 ],
+  [ 149.9852, 169.5922, 94.1515 ],
+  [ 146.3452, 159.1591, 103.6443 ],
+  [ 142.2825, 147.387, 111.9912 ],
+  [ 137.9379, 134.4458, 119.2533 ],
+  [ 133.4525, 120.5056, 125.4917 ],
+  [ 128.9671, 105.7364, 130.7675 ],
+  [ 124.6226, 90.3081, 135.1416 ],
+  [ 120.5599, 74.3909, 138.6753 ],
+  [ 116.9199, 58.1546, 141.4295 ],
+  [ 113.8435, 41.7694, 143.4654 ],
+  [ 111.4716, 25.4053, 144.8439 ],
+  [ 109.9452, 9.2322, 145.6263 ],
+  [ 109.4051, -6.5798, 145.8735 ]
+]
+
+# tailpipe_9
+[[geometry.pipes]]
+index = 9
+points_mm = [
+  [ 218.4202, -70, 170.25 ],
+  [ 1718.4201, -70, 170.25 ]
+]
+
+# secondary_10
+[[geometry.pipes]]
+index = 10
+points_mm = [
+  [ -86.5798, -27.7177, 113.8736 ],
+  [ -68.2776, -28.1621, 114.4661 ],
+  [ -50.5923, -29.4178, 116.1404 ],
+  [ -33.4358, -31.3689, 118.7419 ],
+  [ -16.7199, -33.8997, 122.1162 ],
+  [ -0.3565, -36.8941, 126.1088 ],
+  [ 15.7426, -40.2362, 130.5649 ],
+  [ 31.6653, -43.8101, 135.3302 ],
+  [ 47.5, -47.5, 140.25 ],
+  [ 63.3347, -51.1899, 145.1698 ],
+  [ 79.2574, -54.7638, 149.9351 ],
+  [ 95.3565, -58.1059, 154.3912 ],
+  [ 111.7199, -61.1003, 158.3838 ],
+  [ 128.4358, -63.6311, 161.7581 ],
+  [ 145.5923, -65.5822, 164.3596 ],
+  [ 163.2777, -66.838, 166.0339 ],
+  [ 181.5798, -67.2823, 166.6264 ]
+]
+
+# secondary_11
+[[geometry.pipes]]
+index = 11
+points_mm = [
+  [ 123.4202, -33.7253, 158.1585 ],
+  [ 127.6728, -34.0347, 158.2616 ],
+  [ 131.6784, -34.9091, 158.553 ],
+  [ 135.4722, -36.2677, 159.0059 ],
+  [ 139.0895, -38.0299, 159.5933 ],
+  [ 142.5657, -40.115, 160.2883 ],
+  [ 145.9359, -42.4421, 161.064 ],
+  [ 149.2356, -44.9307, 161.8936 ],
+  [ 152.5, -47.5, 162.75 ],
+  [ 155.7644, -50.0693, 163.6064 ],
+  [ 159.0641, -52.5579, 164.436 ],
+  [ 162.4343, -54.8851, 165.2117 ],
+  [ 165.9105, -56.9701, 165.9067 ],
+  [ 169.5278, -58.7323, 166.4941 ],
+  [ 173.3216, -60.0909, 166.947 ],
+  [ 177.3272, -60.9653, 167.2384 ],
+  [ 181.5798, -61.2747, 167.3415 ]
+]
+
+[[geometry.volumes]]
+id = "intake_plenum"
+center_mm = [ 0, 194.5333, -363.1 ]
+size_mm = [ 420, 60.8162, 156.6 ]
+
+[[geometry.volumes]]
+id = "junction_0"
+center_mm = [ -105, -25, 110.25 ]
+size_mm = [ 36.8403, 36.8403, 36.8403 ]
+
+[[geometry.volumes]]
+id = "junction_1"
+center_mm = [ 105, -25, 155.25 ]
+size_mm = [ 36.8403, 36.8403, 36.8403 ]
+
+[[geometry.volumes]]
+id = "junction_2"
+center_mm = [ 200, -70, 170.25 ]
+size_mm = [ 36.8403, 36.8403, 36.8403 ]