Multiphysics Hub

Phase 1 · double-track (4-wheel) vehicle dynamics, live in the browser · verified vs Python

Speed

0 km/h

surface ON TRACK

Drivetrain

1 gear

RPM950

handbrakeoff

C up · V down · Space handbrake · E reverse (when stopped)

g–g (friction circle)

grip used0%

a_long0.00

a_lat0.00

Inputs & state

throttle0%

brake0%

steer0.0deg

yaw rate0.0deg/s

slip front0.0deg

slip rear0.0deg

Wheel load (% of static)

FL100%

FR100%

RL100%

RR100%

Brake → front loads up; corner → outer tyres load. Tyres on screen grow/redden with load.

Bridge (VBI)

statusclear

mid-span0.000mm

DAF1.00

Track

Click empty space = add point · drag = move · right-click = delete. Click Done to drive.

Steer/throttle: Arrows or WASD · C/V gears · Space handbrake · E reverse · R reset
Physics: double-track (4-wheel) + Pacejka + load transfer, RK4 @ 250 Hz.
Cross-checked vs Python to <1e-13. Gearbox is a driver-input model.