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Divergence of Velocity vector

Posted: Thu Nov 18, 2010 8:43 am
by Mubashir Ali
hi All,
 
I am simulating 3D Lid driven cavity and i wish to calculate if divergence of velocity vector is zero or not. i.e. (Del U = 0)
dimension of the geometry is (1X1X1) in meters and mesh 80X80X80 
 
your replies will be of great help to me
 
 
thnx
 
Mubashir
 
 

Re: Divergence of Velocity vector

Posted: Thu Dec 09, 2010 11:34 pm
by Alexandre Douce
Hello,
in order to compute a divergence, you may use the gradient subroutine (GRDCEL) three times in the subroutine usproj.f90.