[MITgcm-support] what is obcs balance?

[Martin Losch]

David,

you interpreted the code correctly, and you also observed correctly  
that this is not documented in the manual.

Martin

On Jul 14, 2009, at 3:36 PM, David Hebert wrote:

> Hi everyone,
>
> Thanks Jean-Michel for clarifying the #undef NONLIN_FRSURF flag.
>
> I am now looking at obcs_calc.F and the portions related to  
> ALLOW_OBCS_BALANCE. If I am not mistaken, if I use  
> ALLOW_OBCS_BALANCE, the code computes the flux through one  
> particular face as the sum of  area * OB[EWNS][uv].  If the sum over  
> the whole face is not zero, the code then subtracts the sum/area off  
> that particular face, forcing the boundary flux to be zero. Is this  
> true? If not, can someone perhaps provide a description of what is  
> happening? I am not seeing this description in the manual.
>
> Thank you,
>
> David
>
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