Identification of critical surface

Ilaria Antonia Filipponi

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Hello everyone, I would like to know if any of you can help me with a post-processing option of COMSOL. I have a flow field in which I want to identify the critical surface of the capture zone of a single well in a uniform regional gradient, isotropic , homogeneous medium. I know the coordinates of the stagnation point and I know that this critical surface I am looking for is the stream surface passing through the stagnation point. Can you suggest me what types of commands could I use to visualize this critical stream surface? This would be really helpful to me. Thanks a lot.


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