[MITgcm-support] horizontal viscosity in variable grid size

[Baylor Fox-Kemper]

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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