Question about rhoCentralFoam -- CFD Online Discussion Forums

April 24, 2011, 03:09	Question about rhoCentralFoam	#1
praveen Super Moderator Praveen. C Join Date: Mar 2009 Location: Bangalore Posts: 343 Blog Entries: 6 Rep Power: 18	In rhoCentralFoam, you are interpolating rho, rPsi, and e to the faces. What is rPsi ? It seems like it is R*T where R = gas constant. Is this correct. e is the internal enernal. This depends on rho and rPsi through the equation of state. So why interpolate e separately when rho and rPsi are already available at the faces ?

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