[3] | 1 | MODULE stpctl |
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[1489] | 2 | !!====================================================================== |
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[3] | 3 | !! *** MODULE stpctl *** |
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| 4 | !! Ocean run control : gross check of the ocean time stepping |
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[1489] | 5 | !!====================================================================== |
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| 6 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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| 7 | !! 6.0 ! 1992-06 (M. Imbard) |
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| 8 | !! 8.0 ! 1997-06 (A.M. Treguier) |
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| 9 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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| 10 | !! 2.0 ! 2009-07 (G. Madec) Add statistic for time-spliting |
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[8226] | 11 | !! 3.7 ! 2016-09 (G. Madec) Remove solver |
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| 12 | !! 4.0 ! 2017-04 (G. Madec) regroup global communications |
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[1489] | 13 | !!---------------------------------------------------------------------- |
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[3] | 14 | |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! stp_ctl : Control the run |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE oce ! ocean dynamics and tracers variables |
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| 19 | USE dom_oce ! ocean space and time domain variables |
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[6140] | 20 | USE c1d ! 1D vertical configuration |
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| 21 | ! |
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[3] | 22 | USE in_out_manager ! I/O manager |
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| 23 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 24 | USE lib_mpp ! distributed memory computing |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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| 28 | |
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| 29 | PUBLIC stp_ctl ! routine called by step.F90 |
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| 30 | !!---------------------------------------------------------------------- |
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[8226] | 31 | !! NEMO/OPA 4.0 , NEMO Consortium (2017) |
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[1489] | 32 | !! $Id$ |
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[2528] | 33 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1489] | 34 | !!---------------------------------------------------------------------- |
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[3] | 35 | CONTAINS |
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| 36 | |
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| 37 | SUBROUTINE stp_ctl( kt, kindic ) |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! *** ROUTINE stp_ctl *** |
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| 40 | !! |
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| 41 | !! ** Purpose : Control the run |
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| 42 | !! |
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| 43 | !! ** Method : - Save the time step in numstp |
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| 44 | !! - Print it each 50 time steps |
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[8226] | 45 | !! - Stop the run IF problem encountered by setting indic=-3 |
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| 46 | !! Problems checked: |ssh| maximum larger than 10 m |
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| 47 | !! |U| maximum larger than 10 m/s |
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| 48 | !! negative sea surface salinity |
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[3] | 49 | !! |
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[8226] | 50 | !! ** Actions : "time.step" file = last ocean time-step |
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| 51 | !! "run.stat" file = run statistics |
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[3] | 52 | !!---------------------------------------------------------------------- |
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[6140] | 53 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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| 54 | INTEGER, INTENT(inout) :: kindic ! error indicator |
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[1489] | 55 | !! |
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[6140] | 56 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[8226] | 57 | INTEGER :: iih, ijh ! local integers |
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| 58 | INTEGER :: iiu, iju, iku ! - - |
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| 59 | INTEGER :: iis, ijs ! - - |
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| 60 | REAL(wp) :: zzz ! local real |
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| 61 | INTEGER , DIMENSION(3) :: ilocu |
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| 62 | INTEGER , DIMENSION(2) :: ilocs, iloch |
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| 63 | REAL(wp), DIMENSION(3) :: zmax |
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[3] | 64 | !!---------------------------------------------------------------------- |
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[6140] | 65 | ! |
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[3] | 66 | IF( kt == nit000 .AND. lwp ) THEN |
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| 67 | WRITE(numout,*) |
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| 68 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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[79] | 69 | WRITE(numout,*) '~~~~~~~' |
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[8226] | 70 | ! ! open time.step file |
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[1581] | 71 | CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[8226] | 72 | ! ! open run.stat file |
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| 73 | CALL ctl_opn( numrun, 'run.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[3] | 74 | ENDIF |
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[6140] | 75 | ! |
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[8226] | 76 | IF(lwp) THEN !== current time step ==! ("time.step" file) |
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| 77 | WRITE ( numstp, '(1x, i8)' ) kt |
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| 78 | REWIND( numstp ) |
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| 79 | ENDIF |
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[6140] | 80 | ! |
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[8226] | 81 | ! !== test of extrema ==! |
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| 82 | zmax(1) = MAXVAL( ABS( sshn(:,:) ) ) ! ssh max |
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| 83 | zmax(2) = MAXVAL( ABS( un(:,:,:) ) ) ! velocity max (zonal only) |
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| 84 | zmax(3) = MAXVAL( -tsn(:,:,1,jp_sal) , mask = tmask(:,:,1) == 1._wp ) ! minus surface salinity max |
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[1489] | 85 | ! |
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[8226] | 86 | IF( lk_mpp ) CALL mpp_max_multiple( zmax(:), 3 ) ! max over the global domain |
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[1489] | 87 | ! |
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[8226] | 88 | IF( MOD( kt, nwrite ) == 1 .AND. lwp ) THEN |
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| 89 | WRITE(numout,*) ' ==>> time-step= ', kt, ' |ssh| max: ', zmax(1), ' |U| max: ', zmax(2), & |
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| 90 | & ' SSS min: ' , - zmax(3) |
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| 91 | ENDIF |
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| 92 | ! |
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| 93 | IF ( zmax(1) > 10._wp .OR. & ! too large sea surface height ( > 10 m) |
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| 94 | & zmax(2) > 10._wp .OR. & ! too large velocity ( > 10 m/s) |
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| 95 | & zmax(3) > 0._wp ) THEN ! negative sea surface salinity |
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[417] | 96 | IF( lk_mpp ) THEN |
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[8226] | 97 | CALL mpp_maxloc( ABS(sshn) , tmask(:,:,1), zzz, iih, ijh ) |
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| 98 | CALL mpp_maxloc( ABS(un) , umask , zzz, iiu, iju, iku ) |
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| 99 | CALL mpp_minloc( tsn(:,:,1,jp_sal), tmask(:,:,1), zzz, iis, ijs ) |
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[181] | 100 | ELSE |
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[8226] | 101 | iloch = MINLOC( ABS( sshn(:,:) ) ) |
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[417] | 102 | ilocu = MAXLOC( ABS( un(:,:,:) ) ) |
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[8226] | 103 | ilocs = MINLOC( tsn(:,:,1,jp_sal), mask = tmask(:,:,1) == 1._wp ) |
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| 104 | iih = iloch(1) + nimpp - 1 ; ijh = iloch(2) + njmpp - 1 |
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| 105 | iiu = ilocu(1) + nimpp - 1 ; iju = ilocu(2) + njmpp - 1 ; iku = ilocu(3) |
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| 106 | iis = ilocs(1) + nimpp - 1 ; ijs = ilocs(2) + njmpp - 1 |
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[15] | 107 | ENDIF |
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[3] | 108 | IF(lwp) THEN |
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| 109 | WRITE(numout,cform_err) |
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[8226] | 110 | WRITE(numout,*) ' stpctl: |ssh| > 10 m or |U| > 10 m/s or SSS < 0' |
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[3] | 111 | WRITE(numout,*) ' ====== ' |
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[8226] | 112 | WRITE(numout,9100) kt, zmax(1), iih, ijh |
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| 113 | WRITE(numout,9200) kt, zmax(2), iiu, iju, iku |
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| 114 | WRITE(numout,9300) kt, - zmax(3), iis, ijs |
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[3] | 115 | WRITE(numout,*) |
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[8226] | 116 | WRITE(numout,*) ' output of last computed fields in output.abort.nc file' |
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[3] | 117 | ENDIF |
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[1561] | 118 | kindic = -3 |
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[3] | 119 | ENDIF |
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[8226] | 120 | 9100 FORMAT (' kt=',i8,' |ssh| max: ',1pg11.4,', at i j : ',2i5) |
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| 121 | 9200 FORMAT (' kt=',i8,' |U| max: ',1pg11.4,', at i j k: ',3i5) |
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| 122 | 9300 FORMAT (' kt=',i8,' SSS min: ',1pg11.4,', at i j : ',2i5) |
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[6140] | 123 | ! |
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[8226] | 124 | ! !== run statistics ==! ("run.stat" file) |
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| 125 | IF(lwp) WRITE(numrun,9400) kt, zmax(1), zmax(2), - zmax(3) |
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[1489] | 126 | ! |
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[8226] | 127 | 9400 FORMAT(' it :', i8, ' |ssh|_max: ', e16.10, ' |U|_max: ',e16.10,' SSS_min: ',e16.10) |
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[1489] | 128 | ! |
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[3] | 129 | END SUBROUTINE stp_ctl |
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| 130 | |
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| 131 | !!====================================================================== |
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| 132 | END MODULE stpctl |
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