DA question

[Matthew Knepley]

DAs only know about vertex values. You can simulate staggered grids by
storing one grid on top of the other, so each vertex has two values.

  Matt

On Wed, Apr 9, 2008 at 1:35 PM,  <Amit.Itagi at seagate.com> wrote:
>
>  Hi,
>
>  Is it possible to use DA to perform finite differences on two staggered
>  regular grids (as in the electromagnetic finite difference time domain
>  method) ? Surrounding nodes from one grid are used to update the value in
>  the dual grid. In addition, local manipulations need to be done on the
>  nodal values.
>
>  Thanks
>
>  Rgds,
>  Amit
>
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener