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revision 1.1807 by mlosch, Wed Jan 16 21:20:56 2013 UTC revision 1.1813 by jmc, Tue Jan 22 23:40:30 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 pkg/ptracers:
8      - from Ryan A.: code to allow to restart a tracer at regular time interval
9        specifying a reset frequency and a reset-phase (for each tracers).
10    o pkg/thsice:
11      - implement new sequence of calls for thsice+seaice:
12          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
13          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
14      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
15        in CPP_OPTIONS.h) to recover old sequence;
16      - update diagnostics for Intermediate State thsice diagnostics: now filled
17        just before advection (instead of just after advection in old sequence);
18      - update output of experiment offline_exf_seaice (standard test);
19      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
20        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
21    o pkg/aim_v23:
22      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
23      - use standard pkg/mdsio routines to read & write CO2 pickup file;
24      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
25      - Implement new sequence of calls for seaice advection (with thsice and
26        seaice diffusion): do ice advection after ice-Thermodynamic (previously
27        was done before); change aim_do_physics.F (split the bi,bj loops block);
28      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
29    o pkg/thsice:
30      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
31        where just seaice diffusion is used without seaice-dynamics.
32    
33    checkpoint64c (2013/01/18)
34    o pkg/seaice:
35      - add a parameter JFNKres_tFac that can replace JFNKres_t
36        (= JFNKres_tFac*JFNKresidual before JFNK solver)
37      - add a line search option to the JFNK solver
38      - move update of u/vIce and computation of initial residual into a separate
39        routine (same file); makes the code a little easier to read (?)
40      - the line search requires computation of the residual and for some reason
41        I cannot do the update of u/vIce at the beginning of the Newton loop
42        without changing the results, so we move computation of the new residual
43        also to the end of the Newton loop, even without the line search
44  o pkg/mdsio:  o pkg/mdsio:
45    - write missing value (corresponding to undefined array value) to meta files;    - write missing value (corresponding to undefined array value) to meta files;
46      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
47      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);
48      Also update mdsio_read_meta.F (reading timeInterval & missing-value).      Also update mdsio_read_meta.F (reading timeInterval & missing-value).
49  o pkg/exf & thsice:  o pkg/exf & thsice:
50    - for diagnostics purpose, fill-up and update Qsw array (+ fill the diagnostics)    - for diagnostics purpose, fill-up and update Qsw array (+ fill the
51      even when SHORTWAVE_HEATING is #undef;      diagnostics) even when SHORTWAVE_HEATING is #undef;
52  o verification/cfc_example:  o verification/cfc_example:
53    - 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
54      how to use it).      illustrate how to use it).
55  o verification/offline_exf_seaice:  o verification/offline_exf_seaice:
56    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
57      files to only one time-record.      files to only one time-record.
58    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
59      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
60      snapshot output; same mcPheePiston value as in thsice with surf-current=0.2m/s.      snapshot output; same mcPheePiston value as in thsice with
61        surf-current=0.2m/s.
62    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
63      initial conditions).      initial conditions).
64  o verification/cfc_example:  o verification/cfc_example:
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