[MITgcm-support] noise in high resolution run
Nicolas Wienders
wienders at ocean.fsu.edu
Wed Apr 5 12:12:57 EDT 2006
On Apr 5, 2006, at 10:39 AM, Baylor Fox-Kemper wrote:
> Hi Nicolas,
> Things to try:
> 1) You are using no_slip_sides=.false., it seems from your
> velocity fields. Might be interesting to try .true. This will
> change the solutions dramatically, but if it gets rid of the noise
> then we know where to look.
> 2) Try usejamartwetpoints=.true. This may help your w field near
> walls...
> 3) You might try different advection schemes for tracers, too.
> There have been some issues of 'digging' near boundaries with some
> of the schemes. I personally like tempadvscheme=33 and
> saltadvscheme=33. This may make diagnosis a bit more difficult but
> will reduce certain kinds of 'noise'.
> Hope that helps,
> -Baylor
Hello Baylor, Thanks a lot for your help.
I was already using no_slip_sides=.true.
but i will try your 2) and 3) right now.
Thanks a lot again.
nicolas
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