[Mitgcm-support] Re: checkpoint36

[mitgcm-support at dev.mitgcm.org]

Alistair Adcroft wrote:
> 
> -------- Original Message --------
> From: Alistair Adcroft <adcroft at MIT.EDU>
> Subject: Re: checkpoint36
> To: Jean-Michel Campin <jmc at ocean.mit.edu>
> 
> Jean-Michel Campin wrote:
> > The (only ?) alternative would be to apply the filters at the end
> > of the time step, after solve pressure. if the 2D solver is able
> > to work with non filtered gUnm1 as input, ...
> > I am not sure it works like this. and then eta will not be filtered ?
> 
> Eta is always smoother than RHS because of the elliptic nature.
> The real problem with the above is it might take more iterations
> to solve a noisier RHS.
> 
> > I propose to discussed this later ?
> 
> Agreed.