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Forum: Main CFD Forum

October 18, 2013, 10:30

Replies: 5

what does this mean? \nabla ^3U

Views: 1,456

Posted By triple_r

Ignore my first answer please, I didn't see the...

Ignore my first answer please, I didn't see the dot product with l. As Filippo said, it is equal to application of \ell\cdot\nabla n times in a row, and because of the dot product, it is a scalar...

Forum: Main CFD Forum

October 16, 2013, 13:37

Replies: 5

what does this mean? \nabla ^3U

Views: 1,456

Posted By triple_r

It should mean: ...

It should mean:

\nabla^3U=\nabla\bullet\nabla^2U=\nabla\bullet\nabla\bullet\nabla U

Where did you see this term?

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