grillkol/FluidSimCpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improve physical geometry, fluid solvers, audio, and profiling

Browse Source
This commit is contained in:
max
2026-10-30 18:57:56 +01:00
parent bf8621ad39
commit eb2b6366c2
130 changed files with 14649 additions and 862 deletions
Download Patch File Download Diff File Expand all files Collapse all files

385
engines/five.toml
View File

@@ -1,5 +1,5 @@
# Engine definition. Dimensional keys state their units.
schema_version = 1
schema_version = 2
id = "five"
name = "Audi-inspired / 2.2 inline five"
category = "Inline five"
@@ -7,9 +7,11 @@ description = "Unequal primaries / small junctions / staged collectors / EFI"
order = 23
cycle = "four_stroke"
[simulation]
cells_per_meter = 20.0
[engine]
bank_angle_deg = 60.0
collector_volume_litres = 1.25
cylinders = 5
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, 576.0, 144.0, 432.0, 288.0]
pipe_damping = 0.0
plenum_volume_litres = 5.0
starter_torque_nm = 55.65237
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 = 25.92
exhaust_valve_lift_mm = 7.29
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 = 30.78
intake_valve_lift_mm = 8.1
misfire_probability = 0.0
rod_mm = 155.52
stroke_mm = 86.4
@@ -101,65 +96,395 @@ 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 = 5
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 = "primary_5"
cells = 12
diameter_mm = 38.0
length_mm = 585.0
[[pipes]]
id = "tailpipe_11"
cells = 30
diameter_mm = 60.0
length_mm = 1500.0
[[pipes]]
id = "secondary_12"
cells = 9
diameter_mm = 48.0
length_mm = 420.0
[[pipes]]
id = "secondary_13"
cells = 11
diameter_mm = 48.0
length_mm = 540.0
[cam.intake]
points = [
[0.000, 0.000000],
[340.000, 0.000000],
[345.000, 0.147226],
[350.000, 0.555725],
[355.000, 1.175731],
[360.000, 1.957478],
[365.000, 2.851200],
[370.000, 3.807130],
[375.000, 4.775501],
[380.000, 5.706547],
[385.000, 6.550502],
[390.000, 7.257600],
[395.000, 7.778074],
[400.000, 8.062157],
[402.500, 8.100000],
[527.500, 8.100000],
[532.500, 7.952774],
[537.500, 7.544275],
[542.500, 6.924269],
[547.500, 6.142522],
[552.500, 5.248800],
[557.500, 4.292870],
[562.500, 3.324499],
[567.500, 2.393453],
[572.500, 1.549498],
[577.500, 0.842400],
[582.500, 0.321926],
[587.500, 0.037843],
[590.000, 0.000000],
[720.000, 0.000000]
]
[cam.exhaust]
points = [
[0.000, 0.000000],
[130.000, 0.000000],
[135.000, 0.122772],
[140.000, 0.464543],
[145.000, 0.985494],
[150.000, 1.645808],
[155.000, 2.405667],
[160.000, 3.225253],
[165.000, 4.064747],
[170.000, 4.884333],
[175.000, 5.644192],
[180.000, 6.304506],
[185.000, 6.825457],
[190.000, 7.167228],
[195.000, 7.290000],
[325.000, 7.290000],
[330.000, 7.167228],
[335.000, 6.825457],
[340.000, 6.304506],
[345.000, 5.644192],
[350.000, 4.884333],
[355.000, 4.064747],
[360.000, 3.225253],
[365.000, 2.405667],
[370.000, 1.645808],
[375.000, 0.985494],
[380.000, 0.464543],
[385.000, 0.122772],
[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 = [ -198, 0, 0 ]
tilt_deg = 0.0
[[geometry.cylinders]]
origin_mm = [ -99, 0, 0 ]
tilt_deg = 0.0
[[geometry.cylinders]]
origin_mm = [ 0, 0, 0 ]
tilt_deg = 0.0
[[geometry.cylinders]]
origin_mm = [ 99, 0, 0 ]
tilt_deg = 0.0
[[geometry.cylinders]]
origin_mm = [ 198, 0, 0 ]
tilt_deg = 0.0
# intake
[[geometry.pipes]]
index = 0
points_mm = [
[ -447.5, 200.32, -355.3 ],
[ -247.5, 200.32, -355.3 ]
]
# runners 1
[[geometry.pipes]]
index = 1
points_mm = [
[ -198, 200.32, -282.4 ],
[ -198, 200.32, -32.4 ]
]
# runners 2
[[geometry.pipes]]
index = 2
points_mm = [
[ -99, 200.32, -282.4 ],
[ -99, 200.32, -32.4 ]
]
# runners 3
[[geometry.pipes]]
index = 3
points_mm = [
[ 0, 200.32, -282.4 ],
[ 0, 200.32, -32.4 ]
]
# runners 4
[[geometry.pipes]]
index = 4
points_mm = [
[ 99, 200.32, -282.4 ],
[ 99, 200.32, -32.4 ]
]
# runners 5
[[geometry.pipes]]
index = 5
points_mm = [
[ 198, 200.32, -282.4 ],
[ 198, 200.32, -32.4 ]
]
# primary_1
[[geometry.pipes]]
index = 6
points_mm = [
[ -198, 200.32, 40.5 ],
[ -196.9791, 196.8636, 54.8898 ],
[ -194.0939, 191.2973, 66.9724 ],
[ -189.6107, 183.8025, 76.938 ],
[ -183.7958, 174.5606, 84.977 ],
[ -176.9157, 163.7531, 91.2796 ],
[ -169.2366, 151.5614, 96.0361 ],
[ -161.0248, 138.1668, 99.4366 ],
[ -152.5467, 123.7508, 101.6714 ],
[ -144.0686, 108.4947, 102.9308 ],
[ -135.8568, 92.5801, 103.405 ],
[ -128.1777, 76.1882, 103.2843 ],
[ -121.2975, 59.5006, 102.759 ],
[ -115.4827, 42.6985, 102.0192 ],
[ -110.9995, 25.9635, 101.2552 ],
[ -108.1143, 9.4769, 100.6573 ],
[ -107.0934, -6.5798, 100.4157 ]
]
# primary_2
[[geometry.pipes]]
index = 7
points_mm = [
[ -99, 200.32, 40.5 ],
[ -99, 196.9527, 53.8104 ],
[ -99, 191.3077, 65.0919 ],
[ -99, 183.5998, 74.5059 ],
[ -99, 174.0438, 82.2139 ],
[ -99, 162.8545, 88.3773 ],
[ -99, 150.2468, 93.1578 ],
[ -99, 136.4356, 96.7166 ],
[ -99, 121.6356, 99.2152 ],
[ -99, 106.0616, 100.8153 ],
[ -99, 89.9286, 101.678 ],
[ -99, 73.4513, 101.9651 ],
[ -99, 56.8446, 101.8379 ],
[ -99, 40.3233, 101.4579 ],
[ -99, 24.1023, 100.9866 ],
[ -99, 8.3963, 100.5854 ],
[ -99, -6.5798, 100.4157 ]
]
# primary_3
[[geometry.pipes]]
index = 8
points_mm = [
[ 0, 200.32, 40.5 ],
[ -1.0209, 196.8636, 54.8898 ],
[ -3.9061, 191.2973, 66.9724 ],
[ -8.3893, 183.8025, 76.938 ],
[ -14.2042, 174.5606, 84.977 ],
[ -21.0843, 163.7531, 91.2796 ],
[ -28.7634, 151.5614, 96.0361 ],
[ -36.9752, 138.1668, 99.4366 ],
[ -45.4533, 123.7508, 101.6714 ],
[ -53.9314, 108.4947, 102.9308 ],
[ -62.1432, 92.5801, 103.405 ],
[ -69.8223, 76.1882, 103.2843 ],
[ -76.7025, 59.5006, 102.759 ],
[ -82.5173, 42.6985, 102.0192 ],
[ -87.0005, 25.9635, 101.2552 ],
[ -89.8857, 9.4769, 100.6573 ],
[ -90.9066, -6.5798, 100.4157 ]
]
# primary_4
[[geometry.pipes]]
index = 9
points_mm = [
[ 99, 200.32, 40.5 ],
[ 99.5105, 196.8588, 55.4115 ],
[ 100.9531, 191.2967, 68.8484 ],
[ 103.1947, 183.8133, 80.8814 ],
[ 106.1021, 174.5883, 91.5813 ],
[ 109.5421, 163.8012, 101.0186 ],
[ 113.3817, 151.6317, 109.2643 ],
[ 117.4876, 138.2594, 116.3889 ],
[ 121.7267, 123.8639, 122.4633 ],
[ 125.9657, 108.6248, 127.5582 ],
[ 130.0716, 92.7219, 131.7443 ],
[ 133.9112, 76.3346, 135.0923 ],
[ 137.3512, 59.6426, 137.673 ],
[ 140.2586, 42.8255, 139.5571 ],
[ 142.5003, 26.063, 140.8153 ],
[ 143.9429, 9.5347, 141.5183 ],
[ 144.4533, -6.5798, 141.737 ]
]
# primary_5
[[geometry.pipes]]
index = 10
points_mm = [
[ 198, 200.32, 40.5 ],
[ 197.4895, 196.8588, 55.4115 ],
[ 196.0469, 191.2967, 68.8484 ],
[ 193.8053, 183.8133, 80.8814 ],
[ 190.8979, 174.5883, 91.5813 ],
[ 187.4578, 163.8012, 101.0186 ],
[ 183.6183, 151.6317, 109.2643 ],
[ 179.5124, 138.2594, 116.3889 ],
[ 175.2733, 123.8639, 122.4633 ],
[ 171.0343, 108.6248, 127.5582 ],
[ 166.9284, 92.7219, 131.7443 ],
[ 163.0888, 76.3346, 135.0923 ],
[ 159.6487, 59.6426, 137.673 ],
[ 156.7414, 42.8255, 139.5571 ],
[ 154.4998, 26.063, 140.8153 ],
[ 153.0571, 9.5347, 141.5183 ],
[ 152.5467, -6.5798, 141.737 ]
]
# tailpipe_11
[[geometry.pipes]]
index = 11
points_mm = [
[ 218.4202, -70, 165.75 ],
[ 1718.4201, -70, 165.75 ]
]
# secondary_12
[[geometry.pipes]]
index = 12
points_mm = [
[ -80.5798, -27.7723, 109.4464 ],
[ -62.6699, -28.2154, 110.0372 ],
[ -45.3699, -29.4676, 111.7068 ],
[ -28.5928, -31.4134, 114.3012 ],
[ -12.2514, -33.9372, 117.6662 ],
[ 3.7414, -36.9233, 121.6478 ],
[ 19.4729, -40.2562, 126.0916 ],
[ 35.03, -43.8203, 130.8438 ],
[ 50.5, -47.5, 135.75 ],
[ 65.97, -51.1797, 140.6562 ],
[ 81.5271, -54.7438, 145.4084 ],
[ 97.2586, -58.0767, 149.8522 ],
[ 113.2514, -61.0628, 153.8337 ],
[ 129.5928, -63.5866, 157.1988 ],
[ 146.3699, -65.5324, 159.7932 ],
[ 163.6699, -66.7846, 161.4628 ],
[ 181.5798, -67.2277, 162.0536 ]
]
# secondary_13
[[geometry.pipes]]
index = 13
points_mm = [
[ 166.9202, -41.0953, 156.1151 ],
[ 168.1884, -41.2391, 156.1631 ],
[ 169.3158, -41.6457, 156.2986 ],
[ 170.3225, -42.2774, 156.5091 ],
[ 171.2287, -43.0968, 156.7823 ],
[ 172.0544, -44.0662, 157.1054 ],
[ 172.8198, -45.1483, 157.4661 ],
[ 173.5449, -46.3054, 157.8518 ],
[ 174.25, -47.5, 158.25 ],
[ 174.955, -48.6946, 158.6482 ],
[ 175.6802, -49.8517, 159.0339 ],
[ 176.4456, -50.9338, 159.3946 ],
[ 177.2713, -51.9032, 159.7177 ],
[ 178.1775, -52.7226, 159.9909 ],
[ 179.1842, -53.3543, 160.2014 ],
[ 180.3117, -53.7609, 160.337 ],
[ 181.5798, -53.9047, 160.3849 ]
]
[[geometry.volumes]]
id = "intake_plenum"
center_mm = [ 0, 200.32, -355.3 ]
size_mm = [ 495, 69.2799, 145.8 ]
[[geometry.volumes]]
id = "junction_0"
center_mm = [ -99, -25, 105.75 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_1"
center_mm = [ 148.5, -25, 150.75 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]
[[geometry.volumes]]
id = "junction_2"
center_mm = [ 200, -70, 165.75 ]
size_mm = [ 36.8403, 36.8403, 36.8403 ]