Does anyone know a way to "hack" a different timestep under the current timestep?
I know It doesnt seem logical at first, but I remember something done with looping in a fixed update. And then basically damping the resulting values with variables found in the loop. I dont remember how its actually done, but does anyone know the name of this method and can guide me how to use this?
The main reason I ask this is because I have a simulation running at 50hz (1/0.02)
But id like to run some calculations in 1000hz (1/0.001)
Basically I'm simulating car physics, the driveline calculations work well at 50hz, but tires not so well. They get really jerky at low speeds, it seems to be the hardest topic in car simulations.
Anyway I'd like to run slipAngle and slipRatio calculation at 1000hz. I found that SAE methods work pretty well at 1000hz, not perfectly, but good enough to keep the car 100% static at full stop.
Or if I dont need a different timestep, then could anyone give me some pointers on how to damp the slip calculations at low speeds? Switching to a velocity based friction model didnt give any good results. I had some notable side effects.
Also as a side topic cold anyone simply explain how's Runge-Kutta working and is it any good or it's out dated?