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revision 1.1807 by mlosch, Wed Jan 16 21:20:56 2013 UTC revision 1.1810 by jmc, Sat Jan 19 00:37:07 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  checkpoint64c (2013/01/18)
8    o pkg/seaice:
9      - add a parameter JFNKres_tFac that can replace JFNKres_t
10        (= JFNKres_tFac*JFNKresidual before JFNK solver)
11      - add a line search option to the JFNK solver
12      - move update of u/vIce and computation of initial residual into a separate
13        routine (same file); makes the code a little easier to read (?)
14      - the line search requires computation of the residual and for some reason
15        I cannot do the update of u/vIce at the beginning of the Newton loop
16        without changing the results, so we move computation of the new residual
17        also to the end of the Newton loop, even without the line search
18  o pkg/mdsio:  o pkg/mdsio:
19    - write missing value (corresponding to undefined array value) to meta files;    - write missing value (corresponding to undefined array value) to meta files;
20      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
21      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);
22      Also update mdsio_read_meta.F (reading timeInterval & missing-value).      Also update mdsio_read_meta.F (reading timeInterval & missing-value).
23  o pkg/exf & thsice:  o pkg/exf & thsice:
24    - for diagnostics purpose, fill-up and update Qsw array (+ fill the diagnostics)    - for diagnostics purpose, fill-up and update Qsw array (+ fill the
25      even when SHORTWAVE_HEATING is #undef;      diagnostics) even when SHORTWAVE_HEATING is #undef;
26  o verification/cfc_example:  o verification/cfc_example:
27    - 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
28      how to use it).      illustrate how to use it).
29  o verification/offline_exf_seaice:  o verification/offline_exf_seaice:
30    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
31      files to only one time-record.      files to only one time-record.
32    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
33      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
34      snapshot output; same mcPheePiston value as in thsice with surf-current=0.2m/s.      snapshot output; same mcPheePiston value as in thsice with
35        surf-current=0.2m/s.
36    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
37      initial conditions).      initial conditions).
38  o verification/cfc_example:  o verification/cfc_example:
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