Fluids

Fluids

Why does my flow equal to zero?

    • thaipham0815
      Subscriber

      I am very new to Ansys fluent. I am trying to create a flow through a pipe into a box and back into another pipe. I understand that the velocity of the box flow should be a lot less than the velocity of the pipe flow, but it seems like the flow in the box is equal to zero. I would like to know what issues or steps that I have missed to result in this.

    • aitor.amatriain
      Subscriber
      You have backflow at the outlet. What are your boundary and operating conditions?
    • DrAmine
      Ansys Employee
      What do you expect: a massive mixing the box? Generally the flow tries to minimize its losses and search the path with less resistance.
      Probably you have some backflow but again you need to add some information as mentioned. Also share with us the convergence behavior by residual of the case.
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