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derivative of scalar variable with respect to normal direction

Posted 2 déc. 2011, 08:12 UTC−5 0 Replies

Panneerselvam Ranganathan
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Dear All,

I would like write the expression which is used as flux term in mass transport equation
The expression is Dl*dc1/dn where Dl is diffusivity , c1 is concentration and n is normal direction.

May i know variable which is used to express for the term of "d/dn".

Thanks in advance
0 Replies Last Post 2 déc. 2011, 08:12 UTC−5
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Hello Panneerselvam Ranganathan

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