Rhie & Chow interpolation -- CFD Online Discussion Forums

January 17, 2003, 06:41	Rhie & Chow interpolation	#1
Barry Guest Posts: n/a	My CFD friends... Can someone explain to me in plain and simple English what the idea behind Rhie and Chow interpolation is? I know that its purpose is to couple pressure and velocity on co-located meshes, but how does it work? How do I calculate the pressure gradient (face pressure) before I solve the momentum equation? Do we use linear interpolation for the pressure or some other scheme? And what about the pressure correction equation? Where does it fit in? Thank you. Looking forward to your replies! Barry

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