HELP TIME on FLUENT
I simulated a fluid flow in a straight pipe with ANSYS Fluent :
Inlet velocity : 0.116 m/s
Outlet pressure 400 Pa with mass flow rate 0.063 kg/s
Time step size: 60 seconds
Number of time step: 5
Number of iterations / time step: 300
I find the same result
I noticed that the solver resolves five blocks of 300 iterations each time, is it recalculates every time?
60 seconds is enough or must I fix a few minutes
thank you very much
isn't this a steady problem? none of your boundary conditions appear to be transient, your simulation will be steady even if you run a transient simulation.
I try to simulate flow between two cylinders.
Normally I should get a constant velocity profile along the length (figure 1).
But, I found an acceleration along the entire length of the cylinder (figure 2).
Change speed / length axis> 0
normally it must be = 0
I can not find the trick. Is that it's normal?
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