CFD Online Discussion Forums

CFD Online Discussion Forums (
-   Main CFD Forum (
-   -   zeroGradient on inlet (

NewFoamer June 6, 2011 05:30

zeroGradient on inlet
It seems fairly general that one sets the normal-component of the pressure gradient equal to zero on inlets. And then set a fixed-value for the velocity on the inlet.

What is the physical reasoning behind this zero-gradient pressure BC? Is it an approximation?

All times are GMT -4. The time now is 10:22.