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how to calculate of curvature(differentiation of normal vector)

Posted 13 feb 2012, 05:15 GMT-5 Version 4.2 1 Reply

Ryota Matsushita
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Hi.

Can we calculate of curvature of geometry boundaries in 2D?

In other words, can we get differentiation of normal variables(nx,ny)?
We define the curvature K as "K = dnx/dx + dny/dy".

We want to use the curvature K or the differentiation of normal variables in PDE physics.

Thanks.
1 Reply Last Post 27 lug 2012, 07:18 GMT-4
COMSOL Moderator

Hello Ryota Matsushita

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Karl Sundermann
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Posted: 1 decade ago 27 lug 2012, 07:18 GMT-4
Hello,

Do you find an answer for your problem. I've the same problem?
Thank you

Karl
Hello, Do you find an answer for your problem. I've the same problem? Thank you Karl

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