Help with domain selection in transport of diluted species physics study

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I am looking to do a transport of diluted species study on a test bed that holds two different materials. Material A is in a specific place with a specific concentration and I want to study how it diffuses into the rest of the test bed that is Material B. To do this analysis I am looking to use the transport of diluted species physics but am getting stuck.

I assume that I need to select both domains of Material A and Material B initially in the domain selection. But, when I try to select initial values for Material A, it sees the test bed as one domain rather than the two domains I selected. In the geometry and material selection it registers them as different domains and it is set to form as an assembly.

Please let me know what I should do or if there is another approach I can try.


0 Replies Last Post 25 févr. 2025, 17:20 UTC−5
COMSOL Moderator

Hello Gabby Fortuno

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