[MITgcm-devel] once again: ctrl + obcs

[Matthew Mazloff]

Hi Martin,

I have never used CTRL_PACK_PRECISE so I won't cry if you remove it.   
I do see its value, however, as the preconditioning of the obcs  
gradients near shore (in boundary regions)  likely should be different  
than in the interior.  Perhaps we can just clean it up...

I have no issue with removing NO_CONTROL_BAROTROPIC_VELOCITY

-Matt




On May 9, 2011, at 7:39 AM, Martin Losch wrote:

> Dear ctrl-ers,
>
> I just noticed the CPP flag CTRL_PACK_PRECISE in ctrl_set_pack/ 
> unpack_xyz.F, which controls the weighting for  
> "ALLOW_NONDIMENSIONAL_CONTROL_IO".
> Interestingly this flag is also used in ctrl_set_pack_yz/xz.F but  
> not in ctrl_set_unpack_yz/xz.F, there it is called  
> CTRL_UNPACK_PRECISE. It looks like someone has just used copy and  
> paste to create the latter files an replaced all "pack" with  
> "unpack". I do not think that this will work and suggest removing  
> everything related to this flag in the obcs-related routines (_yz/xz).
>
> Further, there is a flag "NO_CONTROL_BAROTROPIC_VELOCITY" that I  
> overlooked earlier when I got rid of the now obsolete splitting of  
> baroclinic and barotropic control of obcs. I suggest to remove that  
> also.
>
> Opinions?
>
> Martin
>
>
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