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Realsoft Forum • View topic - Simulation problem - Ball digs into ground

Simulation problem - Ball digs into ground

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Simulation problem - Ball digs into ground

Postby Yogi » Sunday 6. August 2006, 22:08

Hello,

today I came to a very strange problem and reduced it to the follwing:

I created a cube as a ground and a sphere as a ball. The ball is placed in a distance over the ground. Then I created a gravity field.

I want that the ball fall to the ground, jumps some times up and finaly doesn't move any more, still laying on the ground. But in my experiements, after some jumps of the ball, the ball digs into the ground. Inside the ground it begins wildly to rotate and after some time, it leaves the ground downwards and fall out of the scene. Why? Is there some trick I have to use?

Why I have to set a big mass to the ground? In the handbook they write simply something about "strange effects", but don't go deeper. I've tested with analytics and NURBS, no real difference. Have I overseen something?

Best regards,
Yogi
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Yogi
 
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