Second order derivative of diffusive term -- CFD Online Discussion Forums

September 27, 2019, 08:30	Second order derivative of diffusive term	#1
dickes New Member Thomas Join Date: Mar 2018 Location: Germany Posts: 18 Rep Power: 8	Hello everyone, is it possible to calculate second order derivatives using CEL as they are apparent in the diffusive term of the momentum equation? The first derivative poses no problems with CEL velocity u.Gradient X, however I want to calculate terms like du/dxdy or du/dxdx? Thanks in advance!

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