> I give to this object some properties such as elasticity, visvosity and
> permeability. They work as expected, but in limited cases. The worst thing
> is with elasticity: when I try to define a piece of cloth that resists to
> enlargement, the model become instable.

Do you have damping on your springs? If not, they will explode out of
control.  The damping force is opposite in direction to the relative
velocity of particles at the ends of the spring.  If you still have
problems, let me know.

David Buck
Simberon Inc.
www.simberon.com

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