[MITgcm-support] filter for cubesphere-grid-corners

[Yuan Lian]

Hi, Andrea,

Thanks for the tips. I am still using old tiles which were generated by 
the matlab codes. I will try these configurations and report the results 
here.

Yuan

Andrea Molod wrote:

> hi yuan,
>
> this issue at the corners was addressed by jean-michel by changing
> the locations of some of the corner grid points and by changing
> some options in the numerics. it only showed up as something we could 
> see in atmospheric simulations with no stationary waves to speak of. 
> his change made the 'corner' issue go away for us.
>
> i don't know if you have the 'new' tile files or not, but you can
> find them for sure in the fizhi aqualev20 verification experiment.
> just check to see if they match what you are using, if not, grab
> them. also take a look in the 'data' file for this experiment, you
> will see:
>  useAbsVorticity=.TRUE.,
>  SadournyCoriolis=.TRUE.,
>  selectKEscheme=3,
> hope this makes the need for a 'corner filter' go away....
> good luck.
> andrea
>
> ----------------------------------------------------------------
> Andrea M. Molod, PhD.
> Department of Earth, Atmospheric & Planetary Sciences
> MIT
> Tel: (617) 253-5458, Email: amolod at mit.edu
> WWW:http://paoc.mit.edu/paoc/people/person.asp?position=Postdoc&who=molod
> ----------------------------------------------------------------
>
>
> On Fri, 22 Sep 2006, Yuan Lian wrote:
>
>> Hi, Ed
>>
>> I am trying to add an extra corner filter (like zonal filter as a 
>> polar filter) to the eight cubesphere-grid corners. I am thinking to 
>> add this filter as a subroutine so its strength is adjustable. The 
>> reason why I will do this is because I found the corner effect is 
>> very obvious in my atmospheric model. Could you please give me some 
>> instructions to do this? Thanks a lot!
>>
>> Yuan
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