[MITgcm-support] variable gravity

Dave Spiegel dsp at astro.princeton.edu
Tue Jan 18 16:34:37 EST 2011


Dear Angela,

I don't know if you saw my question from earlier today.  Are you using the
cubed sphere grid?  If so, how did you set up a grid with Pluto's radius
instead of Earth's?  I'd appreciate any guidance.

Best,
Dave

On Mon, Jan 17, 2011 at 12:29 PM, Angela Marie Zalucha <azalucha at mit.edu>wrote:

> Hello,
>
> I am currently working on applying the MIT GCM to Pluto's atmosphere.
> Pluto's atmosphere is very extended compared with the its solid body radius,
> and so the assumption of constant gravitational acceleration with height
> becomes no longer a good approximation.  i.e., I need the 1/r^2 dependence.
>  I was wondering if anyone has made this modification and if not how easy it
> would be to do.
>
> I use the atmosphere model in r* coordinates.
>
> Thanks,
>  Angela
>
>
>
> _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
> Angela Zalucha, Ph.D.
> Postdoctoral Associate
> Department of Earth, Atmospheric,
>  and Planetary Sciences
> Massachusetts Institute of Technology
>
> Office located at Southwest Research Institute
> 1050 Walnut Street, Suite 300
> Boulder, CO 80302
> USA
> (720) 208-7211
>
>
> http://web.mit.edu/azalucha/www/index.html
> _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
>
>
>
>
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-- 
Dave Spiegel, Ph.D.
Department of Astrophysical Sciences
Princeton University
Peyton Hall
Tel: (609) 258-0566
Fax: (609) 258-8226
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