[Getdp] Questions about features of getdp
cgeuzaine at ulg.ac.be
Thu Jul 11 10:17:21 CEST 2013
On 05 Jul 2013, at 11:02, Christophe Ortiz <christophe.ortiz at gmail.com> wrote:
> Hi all,
> I am researcher in diffusion processes in materials under irradiation. In general I use and develop my own home-made codes but it is time consuming. Recently I discovered getdp and I think it could help me a lot in my research and save me a lot of time. However, before I start using it, I have several general questions about its features:
> 1) Let's imagine I have a 1D diffusion equation with a generation-recombination term:
> @C/@t = D@^2C/@x^2 + GR(x)
> Actually, the GR(x) term is the result of a lot of calculations that require a dedicated solver.
> Question: Is it possible to develop a separate module where I could write my own solver to calculate GR(x) and pass the result to the main module that solves the diffusion equation with getdp ?
Sure. I would interface it as a "built-in function". See the Legacy/F_*.cpp source files for all the existing built-in functions.
> 2) Same equation but now let's assume that in fact GR(x) term is the results of processes that take place in a totally different space or scale than x.
> Question: Would it be possible to solve on one hand the main diffusion equation in x, and on the other hand, solve the processes that are behind the GR term on a different and decoupled space, y say ?
I dont' see why not...
> Thanks a lot in advance for your help !
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science