[Mitgcm-support] Re: Unstable 1deg Atl. model

[mitgcm-support at dev.mitgcm.org]

Hi Alistair, 

I got the code running nicely with biharmonic dissipation for momentum, T
and S (I used 6^4 times the values in the 1/6deg data file. doh!). 

If I switch to GM what kind of coefficient should I use?  I'm used to
running MICOM at 4/3deg with thickness diffusivity of 150m^2s^-1. Do I
really need a GM coefficient 10-100x larger?

avi works nicely in xanim. How do you make standalone movies from matlab?

Thanks again.
Tom.


On Wed, 6 Nov 2002, Alistair Adcroft wrote:

> The solver output is a good sign. The model is blowing up for
> CFL reasons (flow becoming too fast). I recommend the bi-harmonic
> viscosity option - you'll need to find a stable value...
> 
> Movie didn't play for me. Why are you using AVI!
> 
> A.
>