[petsc-users] Suggestions for code with dof >> 1 ?

[Jed Brown]

Christophe Ortiz <christophe.ortiz at ciemat.es> writes:
> I want to solve a 1D problem composed of several diffusion equations and a
> lot of ODEs (thousands).
>
> - After discretization, the diffusion equations have terms in i-1, i and
> i+1.
>
> - The diffusion equations have additional terms due to couping with all the
> ODEs. These terms are non-linear.
>
> - The terms of the ODEs are local (only depend on node i) but are
> non-linear.

How do you want to extend your code?  Is it acceptable to have a
centralized struct where you place all variables, or should separate
modules be able to "register" additional variables?
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