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Forum: OpenFOAM Pre-Processing

June 23, 2013, 06:21

Replies: 7

OF/groovyBC: 2nd derivative or power BC

Views: 1,741

Posted By startingWithCFD

Thanks! I should have imagined the second one,...

Thanks! I should have imagined the second one, seems obvious now.

Forum: OpenFOAM Pre-Processing

June 21, 2013, 03:24

Replies: 7

OF/groovyBC: 2nd derivative or power BC

Views: 1,741

Posted By startingWithCFD

OF/groovyBC: 2nd derivative or power BC

It recently occurred to me that I have no idea how to impose a BC of the following two sorts:
i) d^2 (X) / dn^2 = 0
ii) d(X) / dn = X^2
Even though they appear rarely, they are used in the...

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