How to decide Courant number for unsteady simulation with PDF module ? -- CFD Online Discussion Forums

March 30, 2016, 17:52	How to decide Courant number for unsteady simulation with PDF module ?	#1
pkp New Member Presteina Join Date: Feb 2016 Location: Canada Posts: 16 Rep Power: 10	Hello There, I am working on a non premixed combustion model. In this module, I am working with PDF model. Fluent doesn't allow me to use the density based solver while using PDF model. So I am working on a Pressure based solver. The default courant number given in fluent is 200. For this kind of problem, how can I decide the courant number ? Thanks a lot in advance.

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