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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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checkpoint64b (2012/12/24) |
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o pkg/cheapaml: |
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- remove un-used variables (Qnet,EmPmR) from pickup files. |
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- store tendency of advected variables into cheapaml pickup file |
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and fix the AB-2 restart. |
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o verification/offline_exf_seaice and lab_sea adjoint: |
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- switch to new code (#undef SEAICE_GROWTH_LEGACY). |
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- switch to 4 time steps in offline, consistent with lab_sea. |
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- match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice. |
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- update results after change of experiment seaice. |
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o pkg/seaice: |
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- remove option SEAICE_MULTICATEGORY; has been replaced with run-time |
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parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is |
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still defined since SEAICE_multDim needs to be set to MULTDIM value (from |
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SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default. |
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o model/src: |
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- add run-time parameter to select CG2D solver minimum-residual solution |
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(in case of a poor convergence). |
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o pkg/seaice/seaice_lsr.F |
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- move calculation of matrix coefficients into new |
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S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same |
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file; the main purpose of this change is to be able to reuse the code |
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in S/R SEAICE_PRECONDITIONER |
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- modify the computation of the residual so that the mass of sea-ice |
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is not used twice; this simplifies the calculations, but since |
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the residual is never used except when LSR_mixIniGuess.ge.4---and this is |
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not tested in testreport---this does not affect the testreport results. |
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o verification/seaice_obcs: |
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- disable SEAICE_GROWTH_LEGACY; reset input files to match those of |
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verification/lab_sea/input.salt_plume; changes results/output.txt* |
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o model/src: |
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- adapt quasi-hydrostatic formulation to work with p or p* coordinate. |
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o pkg/seaice: |
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- improve description of parameters in seaice_fgmres.F and start |
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cleaning up the code |
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- change name of SCALPROD to SEAICE_SCALPROD and modify meaning of |
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second argument |
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- add a metric based on grid cell area to SEAICE_SCALPROD; update |
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results of offline_exf_seaice.dyn_jfnk |
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- compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD |
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o pkg/aim_v23: |
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- fix an other bug in dissipation heating (grid-cell area was missing). |
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o model/src + pkg/seaice: |
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- add global (multi-tile) linear solver for pair of tri-diagonal system |
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along X and Y lines, respectively for U and V component. |
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Note: 1) MPI and cube-exchange not yet coded. |
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2) probably not accurate for poorly conditioned / large size problem. |
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- add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver; |
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default: not compiled and not used. |
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o pkg/seaice: |
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- first attempt at a multi-threaded fgmres solver for the JFNK solver: |
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introduce bi/bj loops and use global_sum_tile_rl instead of |
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mpi_allreduce in seaice_fgmres.F |
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- improve diagnostics output for fgmres solver (seaice_fgmres.F) |
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- replace a few unnecessary goto statements by if-blocks (seaice_fgmres.F) |
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- add a verification experiment for JFNK in offline_exf_seaice |
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o verification: |
o verification: |
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- change (for now, only fwd test) offline_exf_seaice experiment: |
- change (for now, only fwd test) offline_exf_seaice experiment: |
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use a re-entrant channel with idealized costline (trapezoidal shape) |
use a re-entrant channel with idealized coastline (trapezoidal shape) |
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at southern boundary to explore seaice dynamics and thermodynamics |
at southern boundary to explore seaice dynamics and thermodynamics |
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with simple forcing. Main set-up has dynamics+thermo and SST relaxation; |
with simple forcing. Main set-up has dynamics+thermo and SST relaxation; |
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secondary test (input.thsice) use thermodynamics only with SST relaxation. |
secondary test (input.thsice) use thermodynamics only with SST relaxation. |
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