[MITgcm-support] too SMALL rStarFac

[David Ferreira]

Thanks, Jean-Michel.
I got confused with the sign of the depth, 182 m, which I expected to be 
negative.

Anyway, Alexandre, do you need to prescribe depths like this? Isn't this 
a paleo configuration ?

cheers,
david


On 6/2/16 4:36 PM, Jean-Michel Campin wrote:
> Hi David and Alexandre,
>
> I think the answer was (almost) contained in the error message,
> more precisely, it would be if you can identify which STDERR.#####
> does contain the error: "STOP in CALC_R_STAR : too SMALL ..."
> >From there you can identify the MPI processor number (corresponding
> to the STDERR.#### number).
>
> And the error message:
>> fail at i,j=   4  20 ; rStarFacW,H,eta =  0.199998  1.824900E+02 -1.414777E+02 -1.505953E+02
>> WARNING: r*FacW < hFacInf at       1 pts : bi,bj,Thid,Iter=   1   1    1  48123658
> will tell you that it stopped:
>   - at time-step number:  myIter= 48123658
>   - at a grid point in tile bi,bj= 1,1 within the group of
>     tiles this processor handles
>    (but probably you just have one tile per procs, i.e., nSx=nSy=1)
>   - with grid point indices: i=4 , j=20 within this tile.
> At this precise location, rStarFacW =  0.199998  is becoming too small
> (smaller that hFacInf = 0.2)
> because the detph (at western edge of the warer column) is 1.824900E+02 (m)
> but the SSH (model variable: EtaH) on each side of this wester edge,
> i.e., EtaH(i-1,j) and EtaH(i,j) are respectively (in m): -1.414777E+02 -1.505953E+02
>
> Cheers,
> Jean-Michel
>
> On Thu, Jun 02, 2016 at 10:24:43AM +0200, Alexandre Pohl wrote:
>> Hi David,
>>
>> Sorry but, could you please remind me, how to locate the grid point on the model output (or binary input bathymetry file, size [192 32] or [32 6 32]) from the (i,j) coordinates that appear in the error message ?
>>
>> Thanks !
>> Alexandre
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