[MITgcm-devel] [MITgcm-cvs] MITgcm/pkg/obcs CVS Commit

[Jean-Michel Campin]

Hi Matt,

I think we can start with this (but would wait for Martin's feedback).

2 little things:
1) the name of the experiment to add in verification
 (I prefer dir with lower case letters, so that it's ordered
 in the same way on all platforms). 
 could be something with obcs_ctrl in it (similar to bottom_ctrl), 
 but you need to decide.
2) I would be tempted to reduce even further the number of 
 time-steps (presently 72, 24.h). 
 Could we try to run for 6.h (18.iter) ? 
 (does not need to be changed in MITgcm_contrib/SOSE/BoxAdj, can 
  be done directly in verification/*/input_ad)

Cheers,
Jean-Michel

On Mon, Apr 18, 2011 at 05:08:48PM -0700, Matthew Mazloff wrote:
> Hello Martin and JMC,
> 
> OK, so I updated
> MITgcm_contrib/SOSE/BoxAdj/
> and added in gradient check -- it runs for 1 day and checks gradient
> on western obcs.  It passes with  1-FDGRD/ADGRD < 1e-5.
> 
> For now I believe it is just checking the temperature gradient,
> however, and it should probably check the normal velocity gradient
> too.  It's been awhile since I used the gradient check package and
> I'm having trouble remembering how to do that for obcs...I can work
> on that later, or maybe one of you can fix that in
> data.grdchk....its not an immediate issue though...
> 
> Ideally I would like to see
>  ctrl_getobcs(n,s,e,w).F  ctrl_init_obcs_variables.F and OBCS.h
> merged into the main code and then the BoxAdj code, minus those 6
> files of course, made into a verification experiment.  Let me know
> what you think
> 
> Thanks
> Matt
> 
> 
> 
> 
> On Apr 18, 2011, at 3:50 PM, Matthew Mazloff wrote:
> 
> >Hi Jean-Michel  -- sorry about calling you Martin last email :o)
> >
> >so -- anyway, the BoxAdjoint is very simple -- but does use modes to
> >control OBCS.  To be most useful this code (modifications to
> >ctrl_getobcs(n,s,e,w).F  ctrl_init_obcs_variables.F and OBCS.h) should
> >be checked into the main branch, thus minimizing code in the
> >verification folder.  Should I go ahead and check in this stuff (all
> >mods are within a preprocessor block), or do you want me to just
> >update SOSE/BoxAdj and you can incorporate it all into /verification/
> >BoxAdj?  How's best to proceed?
> >
> >Thanks
> >Matt
> >
> >
> >
> >
> >On Apr 18, 2011, at 2:31 PM, Jean-Michel Campin wrote:
> >
> >>Hi Matt,
> >>
> >>Regarding lab_sea, it has already many things turned on,
> >>so probably better not to add obcs.
> >>
> >>But the SOSE/BoxAdj does not look too big (64x64x8) to be turned
> >>into a verification test. Are all the input files there ?
> >>We would need to turn on grdchk. Anything else ?
> >>
> >>Cheers,
> >>Jean-Michel
> >>
> >>On Mon, Apr 18, 2011 at 01:36:24PM -0700, Matthew Mazloff wrote:
> >>>Hi Martin,
> >>>
> >>>I would love an obcs adjoint verification experiment.   We can make
> >>>a new one -- or perhaps just modify a present one...e.g. lab sea
> >>>would be a good candidate.  What do people prefer.
> >>>
> >>>As for the obcs control modes code, I have not checked it in the
> >>>main branch yet...  It is still in
> >>>http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/SOSE/BoxAdj/code_ad/
> >>>
> >>>-Matt
> >>>
> >>>
> >>>
> >>>
> >>>On Apr 18, 2011, at 1:38 AM, Martin Losch wrote:
> >>>
> >>>>Hi Matt,
> >>>>
> >>>>what's the status of the verification experiment for adjoint obcs?
> >>>>I cannot remember ... is the ball in my half of the playing field?
> >>>>Having this experiment would help to avoid these recurring issues!
> >>>>
> >>>>Martin
> >>>>
> >>>>On Apr 18, 2011, at 7:38 AM, Matthew Mazloff wrote:
> >>>>
> >>>>>Hi JMC,
> >>>>>
> >>>>>I just updated code and am getting some odd TAF errors from your
> >>>>>latest changes to obcs....not sure whats going on -- I'll let
> >>>>>you know when I figure it out....or if you have any ideas please
> >>>>>let me know
> >>>>>
> >>>>>thanks
> >>>>>matt
> >>>>>
> >>>>>
> >>>>>On Apr 16, 2011, at 8:15 PM, Jean-Michel Campin wrote:
> >>>>>
> >>>>>>Update of /u/gcmpack/MITgcm/pkg/obcs
> >>>>>>In directory baudelaire:/srv/scratch/jmc/gcm_current/pkg/obcs
> >>>>>>
> >>>>>>Added Files:
> >>>>>>	obcs_exchanges.F
> >>>>>>Removed Files:
> >>>>>>	obcs_prescribe_exchanges.F
> >>>>>>Log Message:
> >>>>>>rename obcs_prescribe_exchanges -> obcs_exchanges
> >>>>>>
> >>>>>>
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