[MITgcm-support] how to solve linearized equations?

[Martin Losch]

In fact, that's true, I included when I started looking at bottom 
topography as a control variable in the MITgcm. Oh well, long ago. It's 
about time that this stuff makes it into the code, but when? (o:
M.

On Oct 11, 2005, at 12:48 AM, Jean-Michel Campin wrote:

> Hi Samar,
>
> It's just a comment about SINGLE_LAYER:
> I generaly don't use it since the significant load of computation
> can be avoided by setting few flags (e.g.: tempStepping=.FALSE.).
> I might be wrong, but I think it was added mainly to get
> a smaller code for the adjoint.
>
> Jean-Michel
>
> On Mon, Oct 10, 2005 at 08:25:43AM +0200, Martin Losch wrote:
>> Samar,
>>
>> what you describe is how I usually do it (nonlinFreeSurf=0 is only
>> necessary if you compile with NONLIN_FRSURF defined, which is 
>> undefined
>> by default). Defining SINGLE_LAYER removes most of the 
>> thermodynamics.F
>> code.
>>
>> Martin
>>
>> On Oct 10, 2005, at 5:21 AM, Samar Khatiwala wrote:
>>
>>> Hello
>>>
>>> I would like to use the MIT model to solve the LINEAR shallow water
>>> equations.
>>> I intend to #define SINGLE_LAYER in CPP_OPTIONS.h.
>>>
>>> Looking at the code, it seems setting momAdvection=.FALSE. will 
>>> result
>>> in
>>> terms like u.grad u being dropped. Setting nonlinFreeSurf=0 will do 
>>> the
>>> same for continuity.
>>>
>>> Can someone please confirm this or tell me how this can be achieved?
>>> Is there anything else I should watch out for?
>>>
>>> Thanks, Samar
>>>
>>> _______________________________________________
>>> MITgcm-support mailing list
>>> MITgcm-support at mitgcm.org
>>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>>
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