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revision 1.1187 by jmc, Wed Oct 28 17:54:44 2009 UTC revision 1.1194 by mlosch, Fri Nov 13 09:05:35 2009 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
8     - change (once again) the discretization for the evp solver: rather than
9       squaring the averages of strain rates, average the squares to give
10       a better approximation to VP behavior (in simple test); this breaks
11       verification experiments that use EVP (lab_sea and lab_sea.hb87)
12        --> update outputs
13    o add CPP-flag (in mom_calc_visc.F) and TAF directive (in gmredi_slope_limit)
14      to improve vectorization of adjoint code on TARGET_NEC_SX
15    o verification/vermix:
16      - change vermix to a more "classical" 1d column with high vertical
17        resolution, seasonal heat flux forcing and constant wind forcing
18        --> update outputs
19    o pkg/seaice
20     - fix diagnostics of principal stress components for EVP
21     - add optional diagnostics of non-linear convergence for LSOR solver
22     - make maximum zeta a runtime parameter
23    o model/src (3-d solver):
24      Undo modif from Dec 12, 2005 (solve_for_pressure.F cvs version v.49),
25       which consisted in removing the Surf. Non-Hydrostatic pressure from the
26       whole column and adding it to Eta (inspired from Casualli, 1999):
27       Only affects 3-D solver initial guess and only if using ExactConserv,
28       but tests did show a degradation of solver convergence. For this reason,
29       decide to disable this piece of code.
30       to recover previous version, just set zeroPsNH = exactConserv (line 78).
31      Update output of exp. global_ocean.cs32x15.viscA4 & hs94.cs-32x32x5.impIGW
32    o pkg/ggl90:
33     - fix previous modif (unfortunatly has not been documented here).
34  o pkg/seaice/autodiff:  o pkg/seaice/autodiff:
35   - add CPP flag to include clipping of zeta in EVP code;   - add CPP flag to include clipping of zeta in EVP code;
36     although clipping of zeta is not necessary for EVP and not recommended     although clipping of zeta is not necessary for EVP and not recommended
37     it was done by default, now clipping is disabled by default     it was done by default, now clipping is disabled by default
38   - modify computation and store zetaC/Z in seaice_evp for TAF   - modify computation and store zetaC/Z in seaice_evp for TAF
39   - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)   - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)
40   - change seaice_calc_viscosities/strainraties for better   - change seaice_calc_viscosities/strainrates for better
41     vectorization after AD by TAF     vectorization after AD by TAF
42   - rearrange common blocks in SEAICE.h once again for easier dumps of   - rearrange common blocks in SEAICE.h once again for easier dumps of
43     adjoint output, adjust adcommon.h and g_common.h     adjoint output, adjust adcommon.h and g_common.h
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