[MITgcm-support] double periodic problem

Jason Goodman goodman_jason at wheatonma.edu
Fri Jun 10 15:45:13 EDT 2011


On Jun 10, 2011, at 12:34 PM, Michael A. Spall wrote:

> Hi All,
> 
> I am trying to run an initial value problem in a doubly periodic domain.
> I provide initial temperature, velocity, and ssh fields that are in
> geostrophic balance.  Most of the fields evolve very little integrating
> forward in time, as expected, but the tangential velocity near the
> boundaries, if it is nonzero, is reduced.  The model feels the influence
> of the domain even though I have provided a uniform, flat bottom
> topography (no walls). 

Just to eliminate the obvious before questioning the GCM, could there be a fencepost error in your initial conditions?

JCG


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