Changes between Version 14 and Version 15 of ticket/1613_NOC3_vvl_by_default


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Timestamp:
2015-10-31T08:05:34+01:00 (5 years ago)
Author:
gm
Comment:

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  • ticket/1613_NOC3_vvl_by_default

    v14 v15  
    2525 
    2626== I. Before/Now/After vertical coordinate system by default == 
    27   ===>>> runs ORCA2_LIM3 trunk and this branch  identical to the last digit  ===>>> OK see revision XXX + minor correction revision XXX (SETTE OK) '''  Nevertheless'''    for both the trunk & this branch, ORCA2_LIM3 blow up atter 138 time step....[[BR]]  NB: to obtain the same results 1 things : revert domhpg.F90 optimization (use of r1_e...) [[BR]]  =========>>>>>>>>>>>>  try to find the origine of the model explosion:[[BR]]  (1) dynvor.F90 reverted to the v3.6_stable  version, i.e. with use of fmask at the proper place, the trunk still explode round the same time-step...  So the problem does not come from dynvor.[[BR]]  (2) iso neutral diffusion switch off (as well as div): it is not the issue the model still blow up (pdt 139)[[BR]]  (3) partial cells switch off (ln_zco=T): it is not the issue the model still blow up (pdt 142)[[BR]](4) tra_adv : use 2nd order centered scheme: blow up pdt 134[[BR]](5) just set hat as a constant= 2000  (instead of grid depend coeff  nn_aht_ijk = 20)[[BR]](6) dynldf off  & use of UBS[[BR]][[BR]][[BR]]other test to do: dynldf off et ubs on ;  vvl off ; filtered free surf ; mld already off (!) ;  
     27  ===>>> runs ORCA2_LIM3 trunk and this branch  identical to the last digit  ===>>> OK see revision XXX + minor correction revision XXX (SETTE OK) '''   Nevertheless'''     for both the trunk & this branch, ORCA2_LIM3 blow up atter 138 time step....[[BR]]   NB: to obtain the same results 1 things : revert domhpg.F90 optimization (use of r1_e...) [[BR]]   =========>>>>>>>>>>>>  try to find the origine of the model explosion:[[BR]]   (1) dynvor.F90 reverted to the v3.6_stable  version, i.e. with use of fmask at the proper place, the trunk still explode round the same time-step...  So the problem does not come from dynvor.[[BR]]   (2) iso neutral diffusion switch off (as well as div): it is not the issue the model still blow up (pdt 139)[[BR]]   (3) partial cells switch off (ln_zco=T): it is not the issue the model still blow up (pdt 142)[[BR]] (4) tra_adv : use 2nd order centered scheme: blow up pdt 134[[BR]] (5) just set hat as a constant= 2000  (instead of grid depend coeff  nn_aht_ijk = 20) : blow up pdt 134[[BR]] (6) dynldf off (ln_dynldf_lap=F) & use of UBS (ln_dynadv_vec= F ; ln_dynad_ubs=T): ''' it is working !!!! ''' 
     28  [[BR]] [[BR]] other test to do: try no non-linear term ;  vvl off ; filtered free surf ; mld already off (!) ; 
    2829 
    2930  dom_oce :