Modeling a collision between two rotating bodies
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Eetu Mäkiö
on 8 Jun 2015
Commented: Eetu Mäkiö
on 16 Jun 2015
Hello,
I have problem in modeling collision/Force impact reactions between two rotating bodies.
I have a readymade CAD-file imported to SimMechanics 2G, and I'm trying to simulate the contact between two bodies on rotating shafts.
The Gear is rotating and applying force to the counter-part via the teeth. Counterpart reacts downward and spring pushes it back to original position before next hit.
The problem is that I'm having problems to simulate the contact between these two. I've tried using translational/rotational hard-stops and even got some reaction when using only 1 tooth. However even then the Counter-part had impact reaction and another reaction when the tooth was 180 degrees from the Counter-part.
How can I connect these two parts in SimMechanics so that each tooth applies force to the Counter-part upon impact?
BR, Eetu
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Accepted Answer
Sebastian Castro
on 8 Jun 2015
It's not all that straightforward to make these complex contact forces, but it's doable. There is a basic contact forces library on the File Exchange which can help you get started with some ideas:
In particular, the Geneva drive video/example seems most relevant to what you want to do.
- Sebastian
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