Hello.
Le Monday 14 April 2008, Markus Feldmann a écrit :
> Hi All,
>
> i have got a Question to your Docu.
> I do not understand the Excercise on Page 11 in your Docu
> http://www.freefem.org/ff3d/docs/freefem3dDoc.pdf
> ?
> What is the Problem in this Excercise ?
In fact there is no exercice their. It is just some kind of model
(non-physical) problem that can be solved by ff3d.
> What means "on" and "in" ?
- "on" says that
u=x*(x-1)+y*(y-1)+z*(z-1)
and v=sin(pi*x)*sin(pi*y)*sin(pi*z)
are verified by u and v "on" the boundary "dO" of the domain "O"
- "in" says that
-Laplacian(u)+v=f
and v-Laplacian(v)+u=g
are verified inside the domain "O" (almost everywhere in "O")
Does this answer your question?
Best regards,
Stéphane.
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