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Forum: CFX

December 15, 2010, 18:34

Replies: 6

Flow rate imbalance

Views: 2,312

Posted By serezhkin

All right, I figured it out, so I'll post here in...

All right, I figured it out, so I'll post here in case someone runs into a similar problem.

First of all, my thanks to ghorrocks for his help with the problem.

It looks like Ansys only checks...

Forum: CFX

December 13, 2010, 13:16

Replies: 6

Flow rate imbalance

Views: 2,312

Posted By serezhkin

I am calculating the flow rates using the...

I am calculating the flow rates using the massFlow() function on the opening surfaces where there is a 1:1 connection between mesh blocks. I am also monitoring the flow rates in solver, and there's...

Forum: CFX

December 11, 2010, 23:56

Replies: 6

Flow rate imbalance

Views: 2,312

Posted By serezhkin

It is steady state, and it has converged down to...

It is steady state, and it has converged down to 5E-5 or so on all velocity residuals.
As far as I understand, the mass flow rate imbalance should be down to round-off error within the first 20-30...

Forum: CFX

December 10, 2010, 16:18

Replies: 6

Flow rate imbalance

Views: 2,312

Posted By serezhkin

Flow rate imbalance

Hi all,

I am running a steady state calculation where incompressible flow goes from one plenum to the other through several openings in the wall.

I specify the velocity on the inlet such that...

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