[MITgcm-support] too SMALL rStarFac

[Angela Zalucha]

Hi,

It usually means you have violated CFL, so you need to make your time 
step smaller or use a higher resolution grid.

Angela


On 05/30/2016 01:20 AM, Alexandre Pohl wrote:
> Dear users,
>
> I am running a coupled configuration of the MITgcm, using the 
> 'aim_v23' and 'thsice' packages, with ' select_rStar=2' in the ocean 
> (i.e., r* vertical coordinate).
> In the coldest of my runs, I am getting this error message, which 
> forces the model run to stop.
>
>  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
> STOP in CALC_R_STAR : too SMALL rStarFac[C,W,S] !
>
> Please note that I am using sea-ice diffusivity, and the following 
> parameters in 'ocn/data':
> hFacInf=0.2,
> hFacSup=2.0,
>
> Could anyone help me solve this issue ?
>
> Thanks!
> Alexandre
>
>
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> MITgcm-support at mitgcm.org
> http://mitgcm.org/mailman/listinfo/mitgcm-support

-- 
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Angela Zalucha, Ph.D.
Principal Investigator
SETI Institute
+1 (617) 894-2937
http://www.seti.org/users/azalucha
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