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Old   April 6, 2010, 05:18
Question Mixed derivatives in FVM
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I'm developing a FV code implementing the triphasic theory of cartilage (poroelasticity + osmotic pressure). I'm a newbie with FVM, and I am stuck on discretizing the mixed derivative term (e.g. d2u/dxdy) which arises in the displacement formulation of the elasticity problem:

(lambda+mu)(d2u/dx2+d2v/dxdy)+mu*(d2u/dx2+d2u/dy2)+Fx=0 etc.

I would appreciate any suggestion.

Fabio

Last edited by fabio77; April 7, 2010 at 04:21.
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