I will try this. I was suspecting something like that, but as I was using
the stiffness and damping of the tutorial3 I thaught they were ok
Thanks a lot, I'll let you know

Philippe

3E3BFD63.373C03B5@gmx.de...
>
>
> Your collision stiffness is simply way too low (and combined with a high
> damping).  Increasing it to something like 1e6 (or alternatively strongly
> decreasing the masses) will help (but you will have to be careful with the
> simulation stepping to avoid instability).  None the less you will
> probably have problems getting the results you intend - this kind of
> pendulum is very bad to simulate since in the real world the masses
> experience very high accelerations.
>
> Christoph
>
> --
> POV-Ray tutorials, include files, Sim-POV,
> HCR-Edit and more: http://www.tu-bs.de/~y0013390/
> Last updated 31 Dec. 2002 _____./\/^>_*_<^\/\.______

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