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revision 1.1808 by mlosch, Thu Jan 17 09:00:32 2013 UTC revision 1.1814 by jmc, Wed Jan 23 17:12:35 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o pkg/seaice: add a line search option to the JFNK solver  o verification/global_ocean.cs32x15:
8    - move update of u/vIce and computation of initial residual into a separate    - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
9        thsice calling sequence and update "output.icedyn.txt" output file.
10    o pkg/ptracers:
11      - from Ryan A.: code to allow to restart a tracer at regular time interval
12        specifying a reset frequency and a reset-phase (for each tracers).
13    o pkg/thsice:
14      - implement new sequence of calls for thsice+seaice:
15          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
16          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
17      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
18        in CPP_OPTIONS.h) to recover old sequence;
19      - update diagnostics for Intermediate State thsice diagnostics: now filled
20        just before advection (instead of just after advection in old sequence);
21      - update output of experiment offline_exf_seaice (standard test);
22      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
23        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
24    o pkg/aim_v23:
25      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
26      - use standard pkg/mdsio routines to read & write CO2 pickup file;
27      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
28      - Implement new sequence of calls for seaice advection (with thsice and
29        seaice diffusion): do ice advection after ice-Thermodynamic (previously
30        was done before); change aim_do_physics.F (split the bi,bj loops block);
31      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
32    o pkg/thsice:
33      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
34        where just seaice diffusion is used without seaice-dynamics.
35    
36    checkpoint64c (2013/01/18)
37    o pkg/seaice:
38      - add a parameter JFNKres_tFac that can replace JFNKres_t
39        (= JFNKres_tFac*JFNKresidual before JFNK solver)
40      - add a line search option to the JFNK solver
41      - move update of u/vIce and computation of initial residual into a separate
42      routine (same file); makes the code a little easier to read (?)      routine (same file); makes the code a little easier to read (?)
43    - the line search requires computation of the residual and for some reason    - the line search requires computation of the residual and for some reason
44      I cannot do the update of u/vIce at the beginning of the Newton loop      I cannot do the update of u/vIce at the beginning of the Newton loop
45      without changing the results, so we move computation of the new residual      without changing the results, so we move computation of the new residual
46      also to the end of the Newton loop, even without the line search      also to the end of the Newton loop, even without the line search
47  o pkg/mdsio:  o pkg/mdsio:
48    - write missing value (corresponding to undefined array value) to meta files;    - write missing value (corresponding to undefined array value) to meta files;
49      skip this if missing value is one (UNSET_RL would be a better value for the      skip this if missing value is one (UNSET_RL would be a better value for the
50      case of undefined missing value but it's current the default missing-value);      case of undefined missing value but it's current the default missing-value);
51      Also update mdsio_read_meta.F (reading timeInterval & missing-value).      Also update mdsio_read_meta.F (reading timeInterval & missing-value).
52  o pkg/exf & thsice:  o pkg/exf & thsice:
53    - for diagnostics purpose, fill-up and update Qsw array (+ fill the diagnostics)    - for diagnostics purpose, fill-up and update Qsw array (+ fill the
54      even when SHORTWAVE_HEATING is #undef;      diagnostics) even when SHORTWAVE_HEATING is #undef;
55  o verification/cfc_example:  o verification/cfc_example:
56    - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to illustrate    - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
57      how to use it).      illustrate how to use it).
58  o verification/offline_exf_seaice:  o verification/offline_exf_seaice:
59    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
60      files to only one time-record.      files to only one time-record.
61    in input.thermo: narrow the 2 bands of low initial ice-concentration near    in input.thermo: narrow the 2 bands of low initial ice-concentration near
62      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
63      snapshot output; same mcPheePiston value as in thsice with surf-current=0.2m/s.      snapshot output; same mcPheePiston value as in thsice with
64        surf-current=0.2m/s.
65    in input.thsice: similar set-up as in input.thermo (channel with same seaice    in input.thsice: similar set-up as in input.thermo (channel with same seaice
66      initial conditions).      initial conditions).
67  o verification/cfc_example:  o verification/cfc_example:
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