[Users] Possible Carpet issue with Maxwell version of ET

[Yosef Zlochower]

On 12/12/2011 12:11 PM, Erik Schnetter wrote:
> Other causes for a timer interpolation may be a spatial interpolation at
> a time where the coarse grid does not exist, or a reduction operation at
> such a time (e.g. for scalar output).
>

I haven't declared it with prolongation=none, but I never interpolate
it, reduce it, or sync it.

> How do you declare this variable? You may need to explicitly tell Carpet
> to leave this variable alone, or to report an error when such an
> operation is attempted.
>
How do I do this?

> -erik
>
> On Mon, Dec 12, 2011 at 11:35 AM, Frank Loeffler <knarf at cct.lsu.edu
> <mailto:knarf at cct.lsu.edu>> wrote:
>
>     On Mon, Dec 12, 2011 at 10:32:55AM -0500, Yosef Zlochower wrote:
>      >    -> Internal error: extrapolation in time.  variable=LAZEV::dotalp
>      > time=118.90625  times=[118.9375]
>      >
>      > I am unsure how the times could have gotten out of sync at such a
>     late
>      > time in the simulation without getting out of sync earlier. I also
>      > do not understand why a time interpolation should have been attempted
>      > in the first place. I don't sync or attempt to interpolate this GF.
>
>     Do you regrid at that time? It might happen that in order to regrid at
>     that particular time Carpet would need to interpolate in time, and it
>     didn't do before because levels might have been lined up at the time of
>     regridding.
>
>     Frank
>
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>
>
> --
> Erik Schnetter <schnetter at cct.lsu.edu <mailto:schnetter at cct.lsu.edu>>
> http://www.cct.lsu.edu/~eschnett/
>


-- 
Dr. Yosef Zlochower
Center for Computational Relativity and Gravitation
Assistant Professor
School of Mathematical Sciences
Rochester Institute of Technology
85 Lomb Memorial Drive
Rochester, NY 14623

Office:74-2067
Phone: +1 585-475-6103

yosef at astro.rit.edu

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