[Getdp] [Fwd: a coupled problem]
Christophe Geuzaine
Christophe.Geuzaine at ulg.ac.be
Tue Aug 21 08:08:09 CEST 2001
jmwei wrote:
>
> Dear Christophe Geuzaine,
> I am a student at the University Duisburg. I have found getdp at the internet recently. I think it is a very wonderful and useful
> software. During my current work, I have encountered a electrical field -- space charge coupled problem. Basically, this
> problem can be described using the following two equations:
>
> div (epsilon*e) + rho = 0 and
> div (rho * ( -k*e + U) ) = 0
>
> here epsilon , k (ion mobility) and U ( velocity field ) are all constant; while e is the electrical field and rho the space charge density.
> I wonder if Getdp can be used to solve such a coupled problem. If it can, how can I define the formulation? In the 2nd equation
> , there is a term including the product of two unknowns, i.e. rho*e. But getdp only allows one dof in a Galerkin definition.
>
>
> Express my great thanks in advance!
> Best regards !
>
> Wei
> wei at uni-duisburg.de
--
Christophe Geuzaine
Tel: 32 (0) 4 366 37 10 http://geuz.org
Fax: 32 (0) 4 366 29 10 mailto:Christophe.Geuzaine at ulg.ac.be
More information about the getdp
mailing list