[MITgcm-support] noise in high resolution run
Baylor Fox-Kemper
baylor at MIT.EDU
Wed Apr 5 12:19:53 EDT 2006
Hi Nicholas,
You might try reversing the no_slip_sides to .false. All I meant
to say was to switch it and see what happens...
-Baylor
On Apr 5, 2006, at 12:12 PM, Nicolas Wienders wrote:
>
> 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
> _______________________________________________
> MITgcm-support mailing list
> MITgcm-support at mitgcm.org
> http://mitgcm.org/mailman/listinfo/mitgcm-support
More information about the MITgcm-support
mailing list