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tangential surface gradient
Posted 8 juin 2012, 12:44 UTC−4 Low-Frequency Electromagnetics, Geometry, Materials, Parameters, Variables, & Functions, Results & Visualization Version 4.2 1 Reply
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In COMSOL surface tangential derivatives can be computed using dtang(V,x), where V : variable and x: direction.
Unfortunately, the help says a tangential derivative rule is only implemented for several variables.
Is there a workaround for the other variables ?
I need the vector of the tangential derivatives of the norm of the surface current density on a boundary in a 3D model.
Thank you very much for help .
\Flanell
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