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Boundary condition of obstacle in the path of a fluid

Posted 10 mars 2023, 08:23 UTC−5 Computational Fluid Dynamics (CFD), Geometry, Modeling Workflow Version 6.0 0 Replies

shizuka
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Hi,

I am very new to COMSOL. I followed a tutorial on youtube: https://youtu.be/HvQVxIhX8Pw The simulation is done using symmetry. At 2:07, the "outlet" boundary conditions is not only assigned to the outlet on the rightmost end, but also includes the edges of the semi-circle.

I am not sure why do we set the edges of the semi-circle also to be outlet? could them be set as no-slip walls?

Thank you!

0 Replies Last Post 10 mars 2023, 08:23 UTC−5
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Hello shizuka

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