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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
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o model/src: |
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- add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3; |
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- pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R |
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ADAMS_BASHFORTH2. |
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o pkg/cheapaml: |
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- add new parameter (default=F, same as before) to disable full domain |
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(including land) periodicity in X & Y dir. |
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- new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of |
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prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer |
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into single S/R CHEAPAML_TIMESTEP. |
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checkpoint64d (2013/02/17) |
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o pkg/monitor (angular momentum): |
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- do not add Eta contribution to the total AM if using rigid-lid; |
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- correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta). |
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- horizontal discretisation: compute Zonal wind contribution separately for |
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each component (instead of from cell centered averaged) and use the 4 |
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grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part. |
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- Check that AM is conserved with linear dynamics (momAdvection=F and linear |
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FreeSurf) if using vectorInvariant momentum. |
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o model/src (horizontal grid): |
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- move initialisation of all horizontal grid arrays to null value |
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from specific horizontal grid S/R to main S/R INI_GRID; |
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- add 2 new arrays to project model C-grid velocity on to zonal direction |
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(similar to AngleCosC & -AngleSinC but at U and V point location) and |
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compute them in S/R CALC_GRID_ANGLES. |
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o pkg/seaice: replace a hard coded parameter by a runtime parameter |
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SEAICE_JFNK_tolIter |
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o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in |
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preconditioner for JFNK (run LSR into the overlaps as far as possible, |
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i.e OLx/y-2, but overwrite the solution in the overlaps) |
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- extend loop range in seaice_calc_viscosity |
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- add new parameters SEAICE_OLx/y (default = OLx/y-2) |
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- add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs |
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- slightly modify loops in tridiagonal solver lsr-preconditioner |
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- by default remove the extra exchange in seaice_preconditioner with a |
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replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE |
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- modify offline_exf_seaice so that old results without RAS are reproduced |
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for output.dyn_jfnk.txt |
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in seaice_fgmres.F (unrelated to RAS) |
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- add a cpp-flag option for a re-ordered mapping (potentially more |
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efficient), but because this changes the results, turn it off by |
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default |
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- replace the save statement by local common blocks |
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o utils/matlab: |
o utils/matlab: |
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- fix tile-offset in rdmnc.m when output was produced using EXCH2. |
- fix tile-offset in rdmnc.m when output was produced using EXCH2. |
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- update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab) |
- update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab) |
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