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second thermal conductivity term in ANSYS

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Old   August 24, 2022, 06:20
Default second thermal conductivity term in ANSYS
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Hallo,
I would like to introduce a second thermal conductivity term in the energy equation in ANSYS. It has the same form as the "normal" heat conduction: k \nabla T. Only the prefactor (k) is different (k is a function that depends on Temperature).

Is it possible to add a value to the thermal conductivity using a UDF? If yes, which function can I use for this? Or do I simply add another term with DEFINE_DIFFUSIVITY?


I appreciate any thoughts or help
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