CFD Online Discussion Forums - Free slip and no slip.

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Yung	February 4, 2006 10:20

Free slip and no slip.

How rough ness can be found out?what is the formula?Second thing I have not understood about free slip and no slip ? I want to know that when free slip and no slip should be provided?

PetrK

February 6, 2006 15:12

Re: Free slip and no slip.

Free slip - flow is tangent to the surface No slip - flow has zero velocity in the wall

Yung	February 6, 2006 22:26

Re: Free slip and no slip.

Thak u PertK, but In no slip zero velocity is there.but whether it is parralele to perpendicular to wall?and when to use free slip and when to use no slip?

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