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Poisson Effect Versus Neutral Plane - A Theory
Pat B:
Would someone please explain Poisson Effect to me. Maybe that would help. When I build a self bow I let the wood tell me what it wants to be. Usually the theoretically aspects don't even enter my head. Pat
duffontap:
Pat,
Take a rectangular pice of foam rubber and bend it in an arc. The back will cup and narrow and the belly will crown and widen. I think.
J. D. Duff
marvin:
Pat,
The real scientific types will probably cringe at my explanation but essentially the Poisson effect describes the tendency of materials to narrow when stretched or put under tension and conversely widen when compressed.
It's a fancy mathematical way of describing material distorting it's shape when stretched or compressed. :)
marvin:
Lennie, if you want some really technical discussion from engineer types you should post this at the flight archery site.
http://www.flightarchery.com/forum
Pat B:
Thanks Josh and Marvin. That I can understand. ;D Pat
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