1 | MODULE stpctl |
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2 | !!====================================================================== |
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3 | !! *** MODULE stpctl *** |
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4 | !! Ocean run control : gross check of the ocean time stepping |
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5 | !! version for standalone surface scheme |
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6 | !!====================================================================== |
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7 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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8 | !! 6.0 ! 1992-06 (M. Imbard) |
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9 | !! 8.0 ! 1997-06 (A.M. Treguier) |
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10 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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11 | !! 2.0 ! 2009-07 (G. Madec) Add statistic for time-spliting |
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12 | !! 3.5 ! 2012-03 (S. Alderson) |
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13 | !! 4.0 ! 2017-04 (G. Madec) regroup global communications |
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14 | !!---------------------------------------------------------------------- |
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15 | |
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16 | !!---------------------------------------------------------------------- |
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17 | !! stp_ctl : Control the run |
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18 | !!---------------------------------------------------------------------- |
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19 | USE oce ! ocean dynamics and tracers variables |
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20 | USE dom_oce ! ocean space and time domain variables |
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21 | USE ice , ONLY : vt_i, u_ice, tm_i |
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22 | ! |
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23 | USE in_out_manager ! I/O manager |
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24 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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25 | USE lib_mpp ! distributed memory computing |
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26 | |
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27 | USE netcdf ! NetCDF library |
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28 | IMPLICIT NONE |
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29 | PRIVATE |
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30 | |
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31 | PUBLIC stp_ctl ! routine called by step.F90 |
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32 | |
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33 | INTEGER :: idrun, idtime, idssh, idu, ids, istatus |
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34 | LOGICAL :: lsomeoce |
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35 | !!---------------------------------------------------------------------- |
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36 | !! NEMO/SAS 4.0 , NEMO Consortium (2018) |
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37 | !! $Id$ |
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38 | !! Software governed by the CeCILL license (see ./LICENSE) |
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39 | !!---------------------------------------------------------------------- |
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40 | |
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41 | CONTAINS |
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42 | |
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43 | SUBROUTINE stp_ctl( kt, kindic ) |
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44 | !!---------------------------------------------------------------------- |
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45 | !! *** ROUTINE stp_ctl *** |
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46 | !! |
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47 | !! ** Purpose : Control the run |
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48 | !! |
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49 | !! ** Method : - Save the time step in numstp |
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50 | !! - Print it each 50 time steps |
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51 | !! |
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52 | !! ** Actions : "time.step" file = last ocean time-step |
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53 | !! "run.stat" file = run statistics |
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54 | !! |
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55 | !!---------------------------------------------------------------------- |
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56 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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57 | INTEGER, INTENT( inout ) :: kindic ! indicator of solver convergence |
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58 | !! |
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59 | REAL(wp), DIMENSION(3) :: zmax |
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60 | LOGICAL :: ll_wrtstp, ll_colruns, ll_wrtruns |
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61 | CHARACTER(len=20) :: clname |
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62 | !!---------------------------------------------------------------------- |
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63 | ! |
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64 | ll_wrtstp = ( MOD( kt, sn_cfctl%ptimincr ) == 0 ) .OR. ( kt == nitend ) |
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65 | ll_colruns = ll_wrtstp .AND. ( sn_cfctl%l_runstat ) |
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66 | ll_wrtruns = ll_colruns .AND. lwm |
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67 | IF( kt == nit000 .AND. lwp ) THEN |
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68 | WRITE(numout,*) |
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69 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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70 | WRITE(numout,*) '~~~~~~~' |
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71 | ! ! open time.step file |
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72 | IF( lwm ) CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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73 | ! ! open run.stat file(s) at start whatever |
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74 | ! ! the value of sn_cfctl%ptimincr |
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75 | IF( lwm .AND. ( sn_cfctl%l_runstat ) ) THEN |
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76 | CALL ctl_opn( numrun, 'run.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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77 | clname = 'run.stat.nc' |
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78 | IF( .NOT. Agrif_Root() ) clname = TRIM(Agrif_CFixed())//"_"//TRIM(clname) |
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79 | istatus = NF90_CREATE( 'run.stat.nc', NF90_CLOBBER, idrun ) |
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80 | istatus = NF90_DEF_DIM( idrun, 'time' , NF90_UNLIMITED, idtime ) |
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81 | istatus = NF90_DEF_VAR( idrun, 'vt_i_max' , NF90_DOUBLE, (/ idtime /), idssh ) |
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82 | istatus = NF90_DEF_VAR( idrun, 'abs_u_max', NF90_DOUBLE, (/ idtime /), idu ) |
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83 | istatus = NF90_DEF_VAR( idrun, 'tm_i_min' , NF90_DOUBLE, (/ idtime /), ids ) |
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84 | istatus = NF90_ENDDEF(idrun) |
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85 | ENDIF |
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86 | ENDIF |
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87 | IF( kt == nit000 ) lsomeoce = COUNT( ssmask(:,:) == 1._wp ) > 0 |
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88 | ! |
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89 | IF(lwm .AND. ll_wrtstp) THEN !== current time step ==! ("time.step" file) |
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90 | WRITE ( numstp, '(1x, i8)' ) kt |
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91 | REWIND( numstp ) |
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92 | ENDIF |
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93 | ! !== test of extrema ==! |
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94 | IF( ll_colruns ) THEN |
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95 | zmax(1) = MAXVAL( vt_i (:,:) ) ! max ice thickness |
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96 | zmax(2) = MAXVAL( ABS( u_ice(:,:) ) ) ! max ice velocity (zonal only) |
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97 | zmax(3) = MAXVAL( -tm_i (:,:)+273.15_wp , mask = ssmask(:,:) == 1._wp ) ! min ice temperature |
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98 | CALL mpp_max( "stpctl", zmax ) ! max over the global domain |
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99 | END IF |
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100 | ! !== run statistics ==! ("run.stat" file) |
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101 | IF( ll_wrtruns ) THEN |
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102 | WRITE(numrun,9500) kt, zmax(1), zmax(2), - zmax(3) |
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103 | istatus = NF90_PUT_VAR( idrun, idssh, (/ zmax(1)/), (/kt/), (/1/) ) |
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104 | istatus = NF90_PUT_VAR( idrun, idu, (/ zmax(2)/), (/kt/), (/1/) ) |
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105 | istatus = NF90_PUT_VAR( idrun, ids, (/-zmax(3)/), (/kt/), (/1/) ) |
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106 | IF( MOD( kt , 100 ) == 0 ) istatus = NF90_SYNC(idrun) |
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107 | IF( kt == nitend ) istatus = NF90_CLOSE(idrun) |
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108 | END IF |
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109 | ! |
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110 | 9500 FORMAT(' it :', i8, ' vt_i_max: ', D23.16, ' |u|_max: ', D23.16,' tm_i_min: ', D23.16) |
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111 | ! |
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112 | END SUBROUTINE stp_ctl |
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113 | |
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114 | !!====================================================================== |
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115 | END MODULE stpctl |
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