[ODE] About angular damping

Jon Watte (ODE) hplus-ode at mindcontrol.org
Fri Apr 13 09:55:14 MST 2007

In the analytic case, yes; you get the angular velocity, multiply by the 
mass, and divide by the time step, negate it, and that's your necessary 

In the integrator case, there is always some behavior of the integrator 
that may get in the way, but I haven't analyzed the ODE integrator 
enough to correct for that -- I do what's outlined above, and it works 
pretty well as-is.


          / h+

Jacob Ole Juul Kolding wrote:
> Hello List
> I'm reading about resistance and angular damping in the FAQ but it 
> didn't answer my question.
> I'm looking for at formula to determine the exact amount of torque 
> required to put a rotating body to rest.
> The body in question having no contacts/joints attached nor being 
> affected by gravity.
> Can this be computed from the angular velocity and mass of the body?
> Any help appreciated!
> /Jacob Kolding
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