[ODE] Car stability with lowered centre of mass leads to problemswhen rolling

James Bamford fromweb at jimtreats.com
Sun Oct 3 19:36:53 MST 2004


On Fri, 01 Oct 2004 11:00:50 +0200, Mattias Fagerlund
<mattias at cambrianlabs.com> wrote:

> As discussed previously, aside from lowering the center of gravity to a
> realistic position, simulating the hydrodynamic lift of the car body (or
> aerodynamic down force if you prefer) will also help stability.
>
> Fdrag = DragCoefficient * LiquidDensity * Velocity ^ 2 * Area / 2
> Flift = LiftCoefficient * LiquidDensity * Velocity ^ 2 * Area / 2
>
> Drag opposes the direction of the relative velocity, lift acts
> perpendicular to it.
>
> cheers,
> mattias
>

I do have drag and downforce added into my simulation, though not in as
complete a way as this.. i know my drag is proportional to my velocity,
not sure about the downforce... the downforce and originally increasing
gravity did help a great deal in basic stability at high speed

Cheers

Jim

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