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Fluids

Fluids

Topics related to Fluent, CFX, Turbogrid and more.

Unrealistic Zero Turbulent Kinetic Energy Production

    • heisenmech
      Subscriber
      Hi all,nDoes anyone know why FLUENT (k-wSST) yields zero for production of k everywhere in the fluid domain when plotting?nWhen I calculate tke production via CFF exactly the same way as Fluent (mu_t*S*S), it gives realistic non-zero results. nI've also checked my other simulations, production of k is zero regardless of simulation case in Fluent.nnAny idea why?.
    • heisenmech
      Subscriber
      As an update, the issue seems to be persistent with other two equation models. Regardless of case, production of k yields zero. nI'm still desperately looking for an explanation, so if you have anything in mind, hit me up please!nnThanks.n
    • RK
      Ansys Employee
      Hello, nWhen you load the case, just run it for another iteration and then you should be able to see the right values. Production of k does not get stored in the dat file. n
    • heisenmech
      Subscriber
      Ah Gosh, I've wasted my whole day trying to figure out this.nTHANK YOU VERY MUCH!n
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