/[MITgcm]/MITgcm_contrib/dgoldberg/depth_control_no_nsa/README
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Revision 1.2 - (hide annotations) (download)
Thu Dec 7 23:30:59 2017 UTC (7 years, 7 months ago) by dgoldberg
Branch: MAIN
Changes since 1.1: +61 -1 lines
update to README

1 dgoldberg 1.1 NOTES ON SETUP
2    
3     1. cg2d_no_nsa.F should be exactly like cg2d.F -- but EXCH_S3D needed to be replaced by EXCH_XY_RL o/w the forward model crashed
4    
5 dgoldberg 1.2 2. cg2d.flow sets adjoint of cg2d_no_nsa to adcg2d_no_nsa -- this is the only reason cg2d_no_nsa.F even needs to exist
6    
7     3. solve_for_pressure.F modified to call the above, only when ALLOW_DIFFERENTIATE_CG2D_MATRIX is defined (in ECCO_CPPOPTIONS).
8    
9     4. adcg2d_no_nsa finds adjoint of cg2d_b_ad as well as ac2d_ad etc. Needs common block from ad_taf_output.f to affect the latter. harcoded.
10    
11     5. if line 312 of solve_for_pressure.F not included, mitgcmuv_ad will crash in forward pass (ac2d etc takes on different values -- don't know why)
12    
13     6. line 212 of obcs_fields_load.F commented; if not, there are extensive recomputation errors in taf_ad.log i cannot fix.
14    
15     7. shelfice_ad_diff.list in "main_branch_files" may be required.
16    
17     OUTPUT WITH NONLIN_FRSURF OFF:
18    
19     grad-res -------------------------------
20     grad-res proc # i j k bi bj iobc fc ref fc + eps fc - eps
21     grad-res proc # i j k bi bj iobc adj grad fd grad 1 - fd/adj
22     grad-res -------------------------------
23     grad-res 0 1 4 13 1 1 1 1 -9.00753618943E+01 -9.00753618941E+01 -9.00753618945E+01
24     grad-res 0 1 1 10 0 1 1 1 2.07265124500E-08 2.07258210594E-08 3.33577897197E-05
25     grad-res -------------------------------
26     grad-res 0 2 1 14 1 1 1 1 -9.00753618943E+01 -9.00753614330E+01 -9.00753623556E+01
27     grad-res 0 2 2 11 0 1 1 1 4.61308022316E-05 4.61298220955E-05 2.12468893396E-05
28     grad-res -------------------------------
29     grad-res 0 3 2 14 1 1 1 1 -9.00753618943E+01 -9.00753618943E+01 -9.00753618942E+01
30     grad-res 0 3 3 12 0 1 1 1 -4.08823433387E-09 -4.08491018788E-09 8.13100646840E-04
31     grad-res -------------------------------
32     grad-res 0 4 3 14 1 1 1 1 -9.00753618943E+01 -9.00753618940E+01 -9.00753618946E+01
33     grad-res 0 4 4 13 0 1 1 1 3.04480641401E-08 3.04495983983E-08 -5.03893496338E-05
34     grad-res -------------------------------
35     grad-res 0 5 4 14 1 1 1 1 -9.00753618943E+01 -9.00753618940E+01 -9.00753618945E+01
36     grad-res 0 5 5 14 0 1 1 1 2.48672264310E-08 2.48682852089E-08 -4.25772386625E-05
37     grad-res -------------------------------
38     grad-res 0 6 5 14 1 1 1 1 -9.00753618943E+01 -9.00753618918E+01 -9.00753618967E+01
39     grad-res 0 6 6 15 0 1 1 1 2.44778868273E-07 2.44781261927E-07 -9.77883928943E-06
40    
41     OUTPUT WITH NONLIN_FRSURF ON:
42    
43     grad-res -------------------------------
44     grad-res proc # i j k bi bj iobc fc ref fc + eps fc - eps
45     grad-res proc # i j k bi bj iobc adj grad fd grad 1 - fd/adj
46     grad-res -------------------------------
47     grad-res 0 1 4 13 1 1 1 1 -9.00753618943E+01 -9.00753618941E+01 -9.00753618945E+01
48     grad-res 0 1 1 10 0 1 1 1 4.88519940983E-08 2.07258210594E-08 5.75742578334E-01
49     grad-res -------------------------------
50     grad-res 0 2 1 14 1 1 1 1 -9.00753618943E+01 -9.00753614330E+01 -9.00753623556E+01
51     grad-res 0 2 2 11 0 1 1 1 4.61308022316E-05 4.61298220955E-05 2.12468893396E-05
52     grad-res -------------------------------
53     grad-res 0 3 2 14 1 1 1 1 -9.00753618943E+01 -9.00753618943E+01 -9.00753618942E+01
54     grad-res 0 3 3 12 0 1 1 1 -1.02457536117E-08 -4.08491018788E-09 6.01307005545E-01
55     grad-res -------------------------------
56     grad-res 0 4 3 14 1 1 1 1 -9.00753618943E+01 -9.00753618940E+01 -9.00753618946E+01
57     grad-res 0 4 4 13 0 1 1 1 1.13033514034E-07 3.04495983983E-08 7.30614423001E-01
58     grad-res -------------------------------
59     grad-res 0 5 4 14 1 1 1 1 -9.00753618943E+01 -9.00753618940E+01 -9.00753618945E+01
60     grad-res 0 5 5 14 0 1 1 1 6.65438158395E-08 2.48682852089E-08 6.26287057706E-01
61     grad-res -------------------------------
62     grad-res 0 6 5 14 1 1 1 1 -9.00753618943E+01 -9.00753618918E+01 -9.00753618967E+01
63     grad-res 0 6 6 15 0 1 1 1 2.52987938174E-07 2.44781261927E-07 3.24390020583E-02
64    
65    

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