Domain and boundary layer mesh generation problem

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Hello!?

I am modeling a heat transfer model of a shell and tube heat exchanger. I am trying to simulate only the shell side domain and keep the tube wall temperature constant. On the tube side, I use ribs in a concave shape, which creates an edge.

While meshing the geometry, I used a physics-controlled mesh and faced some difficulty. First of all a notification pops up that the domain has a thinner region than the minimum element size and the second problem is boundary layer stops meshing after two layers for a poor mesh element. I don't know how to resolve this problem!

I hope you can help.

Thank you,



0 Replies Last Post 28 ott 2024, 03:29 GMT-4
COMSOL Moderator

Hello MD RABBI AHMED

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