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Defining of new independent Variables and exclusion of thermal insulation boundaries

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Hello, I have started using Comsol. Could you help me with two problems?

  1. In time-dependent heat transfer problems, I've noticed that the results depend only on time. How can I introduce dependencies on other variables, such as spatial coordinates or newly defined parameters like particle size?

  2. I'm working on heat transfer involving both solids and fluids, and I need to model heat transfer from solids to fluids. However, by default, all boundaries are set as thermal insulations. How can I exclude certain boundaries from being treated as thermal insulations?

Please, can you help me?


0 Replies Last Post Mar 19, 2024, 8:13 a.m. EDT
COMSOL Moderator

Hello Armenuhi Sargsyan

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