[RegCNET] Emannuel Precipitation Scheme

[Moetasim]

Hi,

Reduce value of alphae in regcm.in to 0.1 or even lower until you get rid of 
CFL violation message. Otherwise comment

print*, 'EMAN CFL VIOLATION:',i,j,cbmf

line in cupemandrv.f in Main code and compile again.

Moet

Quoting jagadish karmacharya <j_karmacharya at yahoo.com>:

> Hi Neil, 
>   
>   There is no need to worry on CFL violation message.
>   Jagadish
>   
>   " Let me quote a previous reply on this isue :
>   ========================
>   
> >Hi Afzaal,
> >Don't worry about CFL violation. 
> ?Jeremy: Is this CFL check removed in the current regcm code, available 
> >for 
> >download?
> >Moet
> -- 
> Quoting Afzaal Karori <afzaalkarori at yahoo.com>:
> > Hi All
> > I intend to simulate the precipitation, with RegCM3
> > version released in Feb.'2005, using Emanule Scheme.
> > For this purpose, I took 'icup=4' in the file
> > 'regcm.in'. When I run the model it starts working but
> > with following message for some time steps;
> > ....
> > ....
> > OUT-history written date =    1992070106.000000
> >  BATS variables written at   1992070106 
> > 0.0000000000000000E+000
> >  Writing rad fields at ktau =                      108
> >  1992070106
> >  BCs are ready from   1992070106  to   1992070112
> >  EMAN CFL VIOLATION:           59          72 
> > 0.1363766230217920
> >  EMAN CFL VIOLATION:           59          72 
> > 0.1417323542081985 "
> ===========
> 
>   Neil Davis <nndavis at unity.ncsu.edu> wrote:  I am running the Emannuel
> precipitation scheme, for a domain with 60 km 
> grid spacing.  I am running the default timesteps in regcm.in but am 
> getting an error EMAN CFL VIOLATION.  I was wondering which time step I 
> should change to eliminate this error.
> 
> Thanks
> Neil
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