[MITgcm-devel] [MITgcm-cvs] MITgcm/pkg/seaice CVS Commit

[Martin Losch]

Thanks,

should be fixed now. Not sure why I didn’t see them in the first place …

M.

> On 08 Sep 2015, at 23:30, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:
> 
> Hi Martin,
> 
> It seems that the changes you made are responsible for 8 more 
> recomputation warnings in 3 tested experiments:
> global_ocean.cs32x15, lab_sea and offline_exf_seaice
> Do you know if they are all benign ? or if some of them
> imply significant recomputation ?
> 
> Cheers,
> Jean-Michel
> 
> On Tue, Sep 08, 2015 at 05:42:08AM -0400, Martin Losch wrote:
>> Update of /u/gcmpack/MITgcm/pkg/seaice
>> In directory forge:/tmp/cvs-serv26984/pkg/seaice
>> 
>> Modified Files:
>> 	seaice_calc_lhs.F seaice_calc_rhs.F seaice_dynsolver.F 
>> 	seaice_evp.F seaice_lsr.F seaice_preconditioner.F 
>> Log Message:
>> introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
>>  - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
>>    by AREA according to Connelly et al. (2004), JPO.
>>  - For EVP and the LSR solver, the implicit part of the drag term is 
>>    the only non-zero term in the denominator when there is no ice
>>    (which prevented running the model with zero drag). If
>>    SEAICEscaleSurfStress = .TRUE., this results in a division by zero
>>    (or zero main diagonals BU/BV) which needs to be caught. A practical
>>    consequence is that, for open water, the momentum equation reduce
>>    to trivially 0 = 0 + 0.
>> 
>> 
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