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Derivative of normal vector

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Hello,

Did anybody come across to the problem where you need to put in the derivative of the normal vector? (for example d(nx)/dx)

what is the correct way to express it in COMSOL? I have tried nxx but it did not work unfortunately.

lauran


0 Replies Last Post 13 févr. 2018, 12:51 UTC−5
COMSOL Moderator

Hello lauran Zhuang

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