Tangential Component of Gradient??? -- CFD Online Discussion Forums

June 29, 2011, 16:30	Tangential Component of Gradient???	#1
Kelvin_mk New Member Kelvin Join Date: Jan 2011 Posts: 5 Rep Power: 15	Hi everybody, I want to find the tangential component of gradient. I calculate grad=-fvc::grad(phi) then how can I calculate Tangential grad???? I know "Grad_tangential=grad-grad_normal" snGrad find the value which is the surface vector field, but my variable is volvectorfield so I couldn't use it. How can I find the tangential component of gradient and how can I see the variables in ParaFoam. Thanks for all helps.

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