回复： Re: [MITgcm-support] parameter set

[Maxiaohui]

Hi Martin,
   
  Thank you for your suggestion.
  I noticed that in the data.obcs of exp4,
  OB_Jnorth=80*-1,
 OB_Jsouth=80*1,
 OB_Ieast=42*-1,
 OB_Iwest=42*1,
  that means all the points on the boundary must have u v values,right? Since my experiment has land points at the boudary, moreover, different layers have different land points(there are 23 layers in my experiment), then how should I set OB_Jnorth ,OB_Jsouth,OB_Ieast,OB_Iwest ?
   
  One more qustion ,when I run this experiment for a try , I got the followeing error:
  S/R EESET_PARMS
Unable to open execution environment
parameter file "eedata"
ABNORMAL END: S/R EESET_PARMS
MPI: MPI_COMM_WORLD rank 0 has terminated without calling MPI_Finalize()
MPI: aborting job
  Is this related to my size.h  file? My size.h file is:
     &           sNx =  121,
     &           sNy =  61,
     &           OLx =   3,
     &           OLy =   3,
     &           nSx =   1,
     &           nSy =   1,
     &           nPx =   1,
     &           nPy =   1,
     &           Nx  = sNx*nSx*nPx,
     &           Ny  = sNy*nSy*nPy,
     &           Nr  =   23)
   
  and the eedata file is:
  # Example "eedata" file
# Lines beginning "#" are comments
# nTx - No. threads per process in X
# nTy - No. threads per process in Y
 &EEPARMS
 nTx=1,
 nTy=1,
 &
# Note: Some systems use & as the
# namelist terminator. Other systems
# use a / character (as shown here).

  Could you tell me what is going wrong? Thank you very much!
   
   
  sincerely,
   
  Xiaohui
   
   
   
   
   
   
  

Martin Losch <Martin.Losch at awi.de> 写道：
  Hi Xiaohui,

in "data":
to set the monthly interval between forcing field records (months) set
externForcingPeriod=2592000.,
to have your twelve month forcing repeat year after year set
periodicExternalForcing=.TRUE.,
externForcingCycle=31104000.,
These values are then also valid for the obcs-boundary conditions. In 
other words, in "data.obcs" you need to specify the boundary value 
files, just as in exp4 and that's it. This is convenient, but 
inflexible, because it requires that all your forcing and boundary 
values have to be available at the same forcing "frequency/period", 
but you have that.

Alternatively you could use the exf/cal package to be able to set the 
period/cycle indiviually for each external field, but for a simple 
configuration I don't recommend that.

Martin

On 1 Sep 2008, at 03:24, Maxiaohui wrote:

> Hi all,
>
> I am now trying an experiment in an (121x61x23） area(resolution: 
> 1/6x1/6°) with open boundary. I have prepared u, v t s (121x23x12 
> or 61x23x12) at the south and east boundary with twelve 
> months,since the north and west boundary are on the land .I also 
> use heatflux ,freshwater flux and wind filed(121 x61 x12) as the 
> external forcing and t s field( 121 x61x23 12) as the initial 
> field, all these files are twelve months.
> Now I am confused at how to set the parameters.Could anyone tell 
> me how to set the parameters in data.obcs and data file? Could you 
> give me an example?
> I will appreciate your help very much!
>
> Xiaohui
>
> 雅虎邮箱，您的终生邮箱！
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> MITgcm-support at mitgcm.org
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