Fluids

Fluids

Can Fluent plot the diffusive flux?

    • wuxuetianzi
      Subscriber

      Hi,


      The Fluent calculates the Flux by using Fick's law as


      J = -ρ*D*grad(Y).


      Is there straight way I can plot the flux in the Fluent? I find some one suggest (rpsetvar 'species/save-gradients? #t) to get grad(Y) part. But I don't know how to operate it. And does it require to redo the simulation?


      Thanks!


       

    • Rob
      Ansys Employee

      No, once you have that data retained you will just need to do one iteration to re-calculate it. You may then be able to plot grad(Y) and use a Custom Field Function to calculate J. 

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