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January 3, 2013, 06:31	central differencig	#1
mech-engineer New Member Behzad Join Date: Jun 2012 Posts: 26 Rep Power: 14	Hi every one! is it possible to descritize dimensional convection-diffusion terms by central differencig approach?

January 3, 2013, 19:07		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,872 Rep Power: 144	Central differencing is available as a advection scheme option. Diffusion terms are evaluated using a shape function approach which for some element shapes can be equivalent to central differencing.

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