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(ale) moving mesh, solid mechanics, and diffusion

Posted Mar 27, 2012, 1:22 p.m. EDT 0 Replies

Alexander Warning
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When implementing convection-diffusion in a deforming solid in COMSOL, do we need all three, or just solid mechanics and convection-diffusion?

Where the diffusion is set to "spatial" instead of "material" so that the fluid velocity moves with the solid velocity.

One person in my group says, we solve for displacement/velocity in solid mechanics, inputs that into moving mesh, and then, by setting spatial in convection-diffusion, it works.

I say, you just use solid mechanics and set spatial in convection-diffusion.

Can anyone help clarify?

0 Replies Last Post Mar 27, 2012, 1:22 p.m. EDT
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