[MITgcm-support] horizontal viscosity in variable grid size

[Hezi Gildor]

Baylor, Dimitris,

many thanks, hezi.

Baylor Fox-Kemper wrote:

> Hi Hezi,
>   You'll note from the manual that there is still no vertical 
> viscosity Smagorinsky-parameterization in the MITgcm.  Thus, the 
> implementation is only partially what Smagorinsky 1993 suggests 
> (although I believe it is the same as is used in MOM and POP).  This 
> is probably not a terribly big deal at 2000m, where horizontal 
> viscosities will likely dominate, but at 450m this could be an issue...
>    Sometime soon I'll implement the vertical viscosity, too...
>    -Baylor
>
>
> On Jan 2, 2006, at 4:19 AM, Dimitris Menemenlis wrote:
>
>> Hezi,
>>
>>> i am running the model with variable grid size from 450m to 2000m. I 
>>> wonder
>>> if there is a possibility to use Smagorinski-type viscosity in the 
>>> model.....
>>
>>
>> I am not the expert on Smagorinsky but if your question is whether 
>> Smagorinsky is implemented the answer is yes and Section 2.20
>> http://mitgcm.org/r2_web_testing/latest/online_documents/node83.html
>> is an excellent primer.
>>
>> Dimitris
>>
>>
>> -- 
>> Dimitris Menemenlis <menemenlis at jpl.nasa.gov>
>> Jet Propulsion Lab, California Institute of Technology
>> MS 300-323, 4800 Oak Grove Dr, Pasadena CA 91109-8099
>> tel: 818-354-1656;  fax: 818-393-6720
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>
>
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