[MITgcm-devel] seaice ridging: adjoint

[Patrick Heimbach]

Hi Martin,
go for it. I’m around, so can take a look.
p.

On Apr 23, 2014, at 5:04 AM, Martin Losch <Martin.Losch at awi.de> wrote:

> Hi Patrick,
> 
> in preparation for real seaice ridging code, I am moving the regularization part (most of “PART I”) out of seaice_growth into a new routine.
> 
> Unfortunately this changes the adjoint gradient values (making the agreement with the FD gradient a little worse). All forward runs are OK:
> G D M    C  A  F
> e p a R  o  d  D
> n n k u  s  G  G
> 2 d e n  t  r  r
> 
> Y Y Y Y 16> 8<16 FAIL  global_ocean.cs32x15.seaice
> Y Y Y Y 16> 7<16 FAIL  global_ocean.cs32x15.seaice_dynmix
> Y Y Y Y 16> 5<16 FAIL  lab_sea  (e=0, w=18)
> Y Y Y Y 16> 6<16 FAIL  lab_sea.noseaicedyn
> 
> The taf_ad.log is the same with and without my modifications (let alone line numbers and the extra routine), so no extra. I have no idea where to look. Can I check in my changes anyway and we have a look together?
> 
> Martin
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---
Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
MIT | EAPS 54-1420 | 77 Massachusetts Ave | Cambridge MA 02139 USA
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