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Boundary condition based on the distribution of a variable

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Old   February 22, 2024, 08:08
Default Boundary condition based on the distribution of a variable
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Hello everyone,
I have a question regarding the application of a boundary condition dependent on the distribution of a variable on a surface. I understand how to apply this type of boundary condition using expressions based on, for example, the average of a quantity over a surface. However, I am wondering if it is possible to apply a variable boundary condition based on the pointwise distribution of a variable on a surface.

Thank you
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