Surface Tension Coeff., Multiple interfaces
hi,
I want to define surface tension as a function of temperature using UDF at one of the interfaces, but the problem is, I have three interfaces in my problem. How to identify the interfaces? regards |
probably you are using VOF (volume of fluid) model for your simulation.
In that case you don't have predefined interface, so you should find it (usually interface is a bunch of cell with values of C_VOF between 0 and 1) Once interface is defined you can apply whatever you want to that cells |
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if (C_VOF(cell, A) != 0.0 && C_VOF(cell, A) != 1.0) |
unfortunately, I have no experience.
But it looks like you should use something like subdomain Ansys Fluent Customization manual -> sub_domain_loop I think, this is a way for you to switch between phases |
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