Fluids

Fluids

Regarding symmetry boundary condition in Fluent

    • sachintom1992
      Subscriber

      Suppose one-sixth of the domain is simulated by setting symmetry boundary conditions. I want to compare numerical pressure drop with experimental results. Do I need to multiply the numerically obtained pressure by six to compare with the experimental pressure drop?

      Regards,

      Joseph

    • aitor.amatriain
      Subscriber
      No, as pressure is not proportional to length, area or volume.
    • sachintom1992
      Subscriber
      Thanks for the reply.....
      So for friction coefficient calculation, the pressure drop values obtained from simulations can be directly used.
      Is the pressure drop obtained from fluent is the frictional part alone or the gravity and acceleration part also there?
      Regards Sachin
    • Rob
      Ansys Employee
      Have a look in the documentation: depending on the density model used (and whether gravity is turned on!) things change.
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