UDF units 2D vs. 3D -- CFD Online Discussion Forums

October 23, 2018, 10:29	UDF units 2D vs. 3D	#1
destroy Member Marcin Join Date: Jun 2016 Posts: 98 Rep Power: 10	Hi, Im working with an UDF for 6DOF (six degrees of freedom). Here, it's necessary to define the moments of inertia. This quantity has the unit kgm^3 in 3D, but for the plane figures (2D) it's mm^3. Which concept should I use for the 2D cases? Regards Destroy

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