[MITgcm-support] obcs and linear free surface

[Martin Losch]

Oops,
I just found the place in solve_for_pressure where cg2d is set to zero 
on the boundaries, never mind.

Martin

On Sep 23, 2004, at 2:40 PM, Martin Losch wrote:

> Hi there,
> I have another question about the OBCS-package:
> I use a linear free surface and observe that the variable eta along 
> the open boundary is not what I expect it to be. In particular there 
> is a strong discontinuity between boundary value and interior and I 
> have the impression that this discontinuity develops first in eta and 
> then in the verlocities. Of course, I cannot expect this transition to 
> be perfectly smooth, but on the other hand the pressure solver should, 
> in principle, produce smooth solutions. So here's my question to those 
> you have a little more overview over OBCS than I have: Is eta=ssh 
> directly influenced by the open boundaries other than by means of a 
> changed velocity field? I can't find any place where this could 
> happen. (I am only talking aboth the LINEAR free surface.)
>
> blue-eyed,
> Martin
>
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