R: [MITgcm-support] Bug in the domain decomposition periodicity

[Chris Hill]

sounds cool!

Gianmaria Sannino wrote:
> Hi Chris,
> 
> the problem I found is not related to the PRISM coupling.
> Coupling is working without problem.
> This problem rises with the grid refinement: Mediterranean + a refinement in
> the strait of Gibraltar region.
> For the fine model I need to specify at the OBs: tracers, velocities and
> also the surface elevation (I'm running both models with nonlinear free
> surface). This OBcs are transferred via MPI from the coarse model (after a
> proper interpolations) to the fine model directly in the obcs_calc.F
> routine, so the flag obcs_prescribe is set off.
> At this point if I impose to MPI the non periodic conditions (as modified by
> me), the refinement works well otherwise I see some noises on the boundaries
> for the velocity fields.
> 
> 
> gianmaria
> 
> 
> 
> 
> 
> 
> -----Messaggio originale-----
> Da: mitgcm-support-bounces at mitgcm.org
> [mailto:mitgcm-support-bounces at mitgcm.org] Per conto di chris hill
> Inviato: mercoledì 31 maggio 2006 14.49
> A: mitgcm-support at mitgcm.org
> Oggetto: Re: [MITgcm-support] Bug in the domain decomposition periodicity
> 
> Hi G.,
> 
>   Thanks.
> 
>   The code is set to always be periodic. Even when a domain is not 
> periodic the code acts as if it is periodic in the MPI bits. Masks 
> and/or obcs overrides are used to get the numerics to be non-periodic.
> 
>   So it shouldn't go through those lines, except if you hack code in 
> eeset_parms.F (not recommended).
> 
> Chris
> 
> P.S. Any news on the PRISM interface bits you were hoping to check in?
> 
> 
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