Not getting Parabolic Velocity Profile just after inlet -- CFD Online Discussion Forums

June 11, 2022, 08:05

Not getting Parabolic Velocity Profile just after inlet

karankc

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Karan

Join Date: Jun 2022

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Hey all,
I'm using simpleFoam to solve a laminar flow problem in a pipe.
The velocity profile I get near the inlet isn't parabolic, and I'm not sure why.
I've attached an image below.

The velocity profile at the inlet boundary is a flat curve of the value specified in U.
Then for a small distance it's this odd valley shape, and after that for the rest of the pipe it's parabolic.

Much Appreciated

Attached Images

Simulation.png (10.4 KB, 10 views)

Attached Files

channel.zip (30.5 KB, 1 views)

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