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-   -   how to implement second order derivative with groovyBC like the formula? (http://www.cfd-online.com/Forums/openfoam/120543-how-implement-second-order-derivative-groovybc-like-formula.html)

immortality July 9, 2013 08:32

how to implement second order derivative with groovyBC like the formula?
 
Hi
in this article in equation 27 second order derivative of pressure is set to zero
https://www.google.com/url?sa=t&rct=...aU9nowj9u0wHUA
how can implement it as a stable BC for unsteady cases in groovyBC(if not possible then well without it)?


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