[Getdp] How to define Robin boundary conditions

Thomas Ward tomwardathome at googlemail.com
Fri Oct 16 08:19:59 CEST 2009


oops that should have read ".... thanks to Christophe ..... "!


On Thu, Oct 15, 2009 at 5:01 PM, Thomas Ward
<tomwardathome at googlemail.com>wrote:

>
> Probably a simple question but I can't find the answer in the examples of
> the wiki or searching the list.
>
> I am trying to define a Robin type boundary condition for the Laplace
> equation on a cube
>
> dphi/dz+constant*phi=0 on one face
>
> I think the weak form of this is
> integral_over_face(test_function * trial_function*constant) =0
>
> can someone point me to an example of how to write this in the .pro file?
> thanks
>
> and thanks to Christian for his public spiritedness over many years by the
> look of the archives.
>
> Tom Ward
>
>
>
>
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