Defining kinematic diffusivity in the Fluids tab (CFX)

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  • Last Post 27 August 2019
asyraffx posted this 26 August 2019

How can I define four different kinematic diffusivity in fluid and porous domain for the same AV? When I input the diffusivity value for one domain, other domain will automatically have the same value. Obviously the diffusivity is not the same inside each domain.  

abenhadj posted this 27 August 2019

Check if constant domain physics is enabled and disable it. Other way is to define an expression and use there the logical inside() which returns true for the volume you are inspecting.

Best regards,

Amine

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