E term in Launder and Sharma (1974) Model -- CFD Online Discussion Forums

March 30, 2013, 05:52	E term in Launder and Sharma (1974) Model	#1
rabijit New Member RD Join Date: Jan 2011 Posts: 3 Rep Power: 15	Hi I want write a udf for Launder and Sharma in FLUENT. (I Don't want to use inbuilt model of FLUENT). However, I am not able to write the source term E in the dissipation equation. The E term is represented as, E = 2ννt*(∂2Ui/∂xj∂xk)2 Could you please explain how do i write this term for 3D Cartesian geometries. Your help would be highly appreciated.

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