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Ansys Learning Forum Forums Discuss Simulation Fluids Define custom volumetric reaction rate in a porous medium Reply To: Define custom volumetric reaction rate in a porous medium

Arun Kumar
Subscriber

It is possible to define a custom volumetric reaction rate through a DEFINEVRRATE UDF (User-Defined Function) macro. In the case of a porous zone, the actual reaction will take place in only the fluid region of the porous medium, therefore, the true reaction rate is the value defined in DEFINEVRRATE multiplied by the porosity.

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