mixing of fluid at mating wall -- CFD Online Discussion Forums

August 8, 2022, 18:27

mixing of fluid at mating wall

vikash0603

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vikash

Join Date: Oct 2020

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Greetings!
I am working on the interdigitated flow channel, where mating surfaces (internal) are supposed to diffuse the liquids from one side to the other. I experimented with different boundary conditions: internal as internal, which led to merging the surfaces and making a single entity. Additionally, I made internal as wall, which prevented the liquids to cross and do diffusion is observed . I am intended to observe diffusion at mating surfaces. Could you please suggest a suitable boundary condition?

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