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-   -   Problem where FixedValue Inlet meets noSlip Wall (http://www.cfd-online.com/Forums/openfoam-pre-processing/118627-problem-where-fixedvalue-inlet-meets-noslip-wall.html)

VSass May 31, 2013 05:13

Problem where FixedValue Inlet meets noSlip Wall
 
Hey Foamers,

i'm working on a 10% bump, and i have some problems where my "inlet" patch meets the "noSlip" wall. The "inlet" has a fixed value velocity of (10 0 0) and obviously the "noSlip" wall has a fixed value velocity of (0 0 0) . There is a discontinuity , which doesn't occur in case of "slip" wall.

Any ideas?

Also, does it matter which BC you place first in the script?
For example ;

inlet
{
type fixedValue;
value uniform (10 0 0);
}
upstream_wall
{
type fixedValue;
value uniform (0 0 0);
}

is different from :

upstream_wall
{
type fixedValue;
value uniform (0 0 0);
}
inlet
{
type fixedValue;
value uniform (10 0 0);
}

Thanks in advance


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