[MITgcm-support] tracer acceleration

[samar khatiwala]

Alistair, thanks.

To use asynchronous acceleration is it simply a matter of
using a deltaTtracer >> deltaTmom?

Samar

On Thu, 8 Jul 2004, Alistair Adcroft wrote:

> Samar,
>
> Only asynchronous acceleration has been implemented. If you want to
> implement the deep acceleration it requires making deltaT* a function of
> depth or otherwise multiply deltaT* by a function of depth where it is used.
> Deep acceleration is utterly non-conservative so implement at your own risk!
>
> A.
> --
> Dr Alistair Adcroft            http://www.mit.edu/~adcroft
> MIT Climate Modeling Initiative        tel: (617) 253-5938
> EAPS 54-1624,  77 Massachusetts Ave,  Cambridge,  MA,  USA
>
> -----Original Message-----
> From: mitgcm-support-bounces at mitgcm.org
> [mailto:mitgcm-support-bounces at mitgcm.org] On Behalf Of samar khatiwala
> Sent: Thursday, July 08, 2004 10:42 AM
> To: mitgcm-support at mitgcm.org
> Subject: [MITgcm-support] tracer acceleration
>
>
> Hello
>
> Can someone please tell me if the "distorted physics"
> technique of Bryan (i.e., use of unequal time steps in tracer and momentum,
> especially in the deep ocean) has been implemented in the MIT model?
>
> If so, how do I go about using it?
>
> Thanks very much
>
> Samar
>
> Oceanography 201B
> Lamont Doherty Earth Observatory
> Columbia University
> Palisades, NY 10964
> voice (845)-365-8454
> Fax   (845)-365-8736
>
> Department of Applied Physics and Applied Mathematics
> Mudd 292C
> Columbia University
> voice (212)-854-8111
>
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