[CIG-CS] Particle problems and Semi-Lagrangian Schemes for Gamr

[Matthew Knepley]

On Tue, May 31, 2011 at 5:03 PM, Walter Landry <walter at geodynamics.org>wrote:

> Matthew Knepley <knepley at mcs.anl.gov> wrote:
> > On Tue, May 31, 2011 at 3:09 PM, Walter Landry <walter at geodynamics.org
> >wrote:
> >> However, we would still need particles for tracers.  But those are not
> >> used when computing solutions, so it is not necessary to have such a
> >> dense array.
> >
> > I would not do this. As long as you are using SL, I would use it all the
> way
> > and eliminate particles, making the code much simpler, especially in
> > parallel.
>
> How would you do P-T traces with SL?


I am probably exposing my own ignorance, but I assume you mean
Pressure-Temperature,
or phase diagram traces so we can determine what phase is active. You
interpolate all the
fields to the point you want evaluated.

   Matt


> Cheers,
> Walter Landry
> walter at geodynamics.org
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-- 
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
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