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Surface Roughness Micro channel

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Hello,

I am trying to model roughness on micro channel wall. Attached is the picture.
I used moving mesh, setting boundary conditions for two inner boundary as a analytic function (Sine wave form).

However I want it in from of square wave, amplitude not exceeding 40 nm.
Moreover, is there any other effective way to introduce roughness to the walls?


0 Replies Last Post 6 déc. 2016, 14:11 UTC−5
COMSOL Moderator

Hello Viraj Sabane

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