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revision 1.1417 by ifenty, Thu Apr 28 18:44:09 2011 UTC revision 1.1441 by jmc, Wed May 25 21:13:53 2011 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 + obcs:
8     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
9       equivalent of assuming no tracer gradient outside the OB region.
10       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
11     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
12       after changes above);
13     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
14       only at OB location (instead of over a band of OLx width).
15  o pkg/seaice:  o pkg/seaice:
16    - retired SEAICE_SALINITY and SEAICE_salinity in favor of   - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
17       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
18    o pkg/obcs:
19      - split header file "OBCS.h" into 4 separated files:
20        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
21       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
22         (contain no conditional statement which depends on OBCS options).
23      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
24        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
25    o ctrl, cost, grdchk & autodiff pkgs:
26      - make options file more standard (like other {PKG}_OPTIONS.h file but
27        with AD_CONFIG.h); clean-up some of the included header files.
28    o pkg/obcs:
29      - do not mask tracer when applying OB (tracer == 0 could generate problems)
30      - apply tracer OB values to tracer field only at OB location (instead of
31        over a band of OLx width)
32      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
33      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
34        obcs_apply_tloc.F & obcs_apply_sloc.F
35    o obcs in model/src:
36      - call OBCS_APPLY_W only if NonHydrostatic.
37      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
38      - reset dEtaHdt and wVel to zero outside OB interior region ;
39      - leave tracer unchanged outside OB interior region: This has no effect
40        on the solution but just to prevent unrealistic tracer value outside OB.
41      - zero out velocity outside OB interior region: This has no effect on
42        the solution but just to prevent unrealistic velocity outside OB.
43    o obcs and non-lin free-surf:
44       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
45       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
46       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
47       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
48       update results of test-exp. exp4(nlfs).
49    o exp4 (nlfs) test-exp:
50       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
51       with NonLin-FreeSurf); update output.nlfs.txt
52    o obcs and 2d/3d solver norm:
53       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
54       and outside OB interior region (will allow to place OB further inside the
55       domain). Depending on the domain, can affects cg2d-Norm (previous
56       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
57       and cg3d-Norm (previous Norm was computed before canceling OB terms),
58       e.g. in tutorial_plume_on_slope.
59      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
60    o pkg rbcs:
61      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
62      - add capability to apply relaxation to horizontal velocity uVel & vVel.
63    o pkg/grdchk: add gradient check for control variable xx_shifwflx
64    o pkg/shelfice/shelfice_init_fixed.F
65      fix CPP-flag combinations
66    o pkg/seaice: Merge iceage code of Pierre Rampal
67      * update/change/correct ice age calculations
68      * add age updates for pathological cases
69      Probably needs more testing...
70    
71    checkpoint62x (2011/05/13)
72    o pkg/mom_vecinv:
73       high-order vorticity scheme: use interior masks (maskInW & S)
74       to zero-out (outside OB) gradient of vorticity.
75    o verification exp.:
76       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
77       hs94.128x64x5 and seaice_obcs ; update results.
78    o pkg/obcs:
79      fix bug in OBeta for YZ sections in obcs_exf_load.F
80    o pkg/ctrl, pkg/shelfice, and optim:
81      - add new control variable xx_shifwflx (fresh water flux underneath ice
82        shelves). This is almost as tedious as obcs-ctrl, because the
83        variables needs its own mask.
84      - add a cost function term that penalizes the deviation of xx_shifwflx
85        from the first guess (zero) in analogy to other control variables
86    o pkg/shelfice:
87      - start basic adjoint
88    o pkg/ctrl:
89      - remove extra 2D field "for good measure" when initializing in
90        ctrl_set_globfld_[xy/xz/yz].F
91      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
92      - improve error messages in ctrl_set_unpack_*
93    o OBC implementation in momentum:
94       use interior masks (maskInC,W & S) in momentum S/R:
95       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
96       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
97       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
98       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
99       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
100        (and also with Leith/Smagorinsky harmonic-viscosity).
101       Update output of experiment dome and exp4 (+nlfs).
102    o exp4 test-exp:
103      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
104        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
105        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
106        time-varying OB at Western-side for wVel (NonHyd); update output.
107      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
108        and biharmonic-viscosity ; also use prescribed time varying OB.
109    o pkg/obcs:
110      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
111    o model/src:
112      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
113      - initialise startTime & nIter0 with unlikely values: allows to set one
114        from the other without ambiguity.
115    o seaice_obcs test-exp.:
116      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
117    o pkg/obcs:
118      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
119        no longer needed with maskInC,W,S in pkg/generic_advdiff.
120    o pkg/seaice:
121      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
122      SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.      SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
123    - fixed bug in the initialization of sea ice salinity variable HSALT    - fixed bug in the initialization of sea ice salinity variable HSALT
124      in seaice_init_varia.F  (removed dependence on ICE2WATR)      in seaice_init_varia.F  (removed dependence on ICE2WATR)
125  o fizhi-cs test exp.:  o fizhi-cs test exp.:
126     switch reference output convention for these 2 non-standard test-exp,     switch reference output convention for these 2 non-standard test-exp,
127      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
128        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
129     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
130  o model/inc:  o model/inc:
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