potentialFoam -- CFD Online Discussion Forums

July 13, 2014, 08:01	potentialFoam	#1
zgharibi New Member Zeinab Join Date: Jul 2014 Location: Germany Posts: 1 Rep Power: 0	In c++ code, the governing equation for potentialFoam is written as div(U)==0 and Laplacian(p)==0, I know the first div(U)==0 can be easily obtained from the continuity equation, but I cannot derive this Laplacian(p)==0 from momentum equation, although it is evident that this relationship holds. How can I get this "Pressure equation"? Why the solver does not directly use the "momentum equation"?

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