[MITgcm-devel] advcfl_W_hf_max

[Alistair Adcroft]

D.

You have us in a state of complete confusion. In a previous email you
weren't using biharmonic because it wasn't working and now it seems you are
using the non-dimensional form I sent you. Which is it?

We were discussing the W noise near the bottom this morning - I don't think
we know the answer. Can you send the latest "data" file to us.

Also, on what basis are you editing topography? It seems incredible to us
that you know how to change topography in order to fix a blow-up. 

A.
--
Dr Alistair Adcroft            http://www.mit.edu/~adcroft
MIT Climate Modeling Initiative        tel: (617) 253-5938
EAPS 54-1523,  77 Massachusetts Ave,  Cambridge,  MA,  USA

-----Original Message-----
From: mitgcm-devel-bounces at mitgcm.org
[mailto:mitgcm-devel-bounces at mitgcm.org] On Behalf Of Dimitris Menemenlis
Sent: Wednesday, January 07, 2004 1:58 PM
To: mitgcm
Subject: RE: [MITgcm-devel] advcfl_W_hf_max


Alistair, the actual blowup on day 523 occurs at one of the cube corners,
East of Argentina, not related with the peaks in CFL_w between days 480-520,
which were caused by interaction with bathymetry NorthEast of Australia.
Figure showing wvel near each cube corner is attached.

So I have reduced viscA4 slightly, from 5e-3 to 4e-3, which seems enough to
get rid of cube-corner stability problem.

Any idea what the noise i wVel near the bottom is?   Could that
be related with bottom drag code?

D.

-- 
Dimitris Menemenlis <menemenlis at jpl.nasa.gov>
Jet Propulsion Lab, California Insitute of Technology
MS 300-323, 4800 Oak Grove Dr, Pasadena CA 91109-8099
tel: 818-354-1656;  fax: 818-393-6720