[911] | 1 | |
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| 2 | MODULE bdyini |
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| 3 | !!================================================================================= |
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| 4 | !! *** MODULE bdyini *** |
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| 5 | !! Initialization of unstructured open boundaries |
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| 6 | !!================================================================================= |
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| 7 | #if defined key_bdy || defined key_bdy_tides |
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| 8 | !!--------------------------------------------------------------------------------- |
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| 9 | !! 'key_bdy' Unstructured Open Boundary Conditions |
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| 10 | !!--------------------------------------------------------------------------------- |
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| 11 | !! bdy_init : Initialization of unstructured open boundaries |
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| 12 | !!--------------------------------------------------------------------------------- |
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| 13 | !! * Modules used |
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| 14 | USE oce ! ocean dynamics and tracers variables |
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| 15 | USE dom_oce ! ocean space and time domain |
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| 16 | USE bdy_oce ! unstructured open boundary conditions |
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| 17 | USE bdytides ! tides at open boundaries initialization (tide_init routine) |
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| 18 | USE in_out_manager ! I/O units |
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| 19 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 20 | USE lib_mpp ! for mpp_sum |
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| 21 | USE iom ! I/O |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | !! * Routine accessibility |
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| 27 | PUBLIC bdy_init ! routine called by opa.F90 |
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| 28 | |
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| 29 | !! * Substitutions |
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| 30 | |
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| 31 | !!--------------------------------------------------------------------------------- |
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| 32 | !! OPA 9.0 , LODYC-IPSL (2003) |
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| 33 | !!--------------------------------------------------------------------------------- |
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| 34 | |
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| 35 | CONTAINS |
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| 36 | |
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| 37 | SUBROUTINE bdy_init |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! *** ROUTINE bdy_init *** |
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| 40 | !! |
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| 41 | !! ** Purpose : Initialization of the dynamics and tracer fields with |
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| 42 | !! unstructured open boundaries. |
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| 43 | !! |
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| 44 | !! ** Method : Read initialization arrays (mask, indices) to identify |
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| 45 | !! an unstructured open boundary |
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| 46 | !! |
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| 47 | !! ** Input : bdy_init.nc, input file for unstructured open boundaries |
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| 48 | !! |
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| 49 | !! History : |
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| 50 | !! OPA 9.0 ! 05-01 (J. Chanut, A. Sellar) Original code |
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| 51 | !! ! 07-01 (D. Storkey) Update to use IOM module. |
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| 52 | !! ! 07-01 (D. Storkey) Tidal forcing. |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | !! * Local declarations |
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| 55 | INTEGER :: ji, jj, jk, jgrd, & ! dummy loop indices |
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| 56 | jb, jr, icount, & |
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| 57 | icountr, nb_rim, nb_len, nbr_max |
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| 58 | INTEGER :: iw, ie, is, in |
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| 59 | INTEGER :: inum ! temporary logical unit |
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| 60 | INTEGER :: & ! temporary integers |
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| 61 | dummy_id |
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| 62 | INTEGER, DIMENSION (2) :: kdimsz |
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| 63 | INTEGER, DIMENSION(jpbdta, jpbgrd) :: & !: Index arrays |
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| 64 | nbidta, nbjdta, & !: i and j indices of bdy dta |
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| 65 | nbrdta !: Discrete distance from rim points |
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| 66 | REAL(wp) :: & |
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| 67 | efl, wfl, nfl, sfl ! temporary scalars |
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| 68 | REAL(wp) , DIMENSION(jpidta,jpjdta) :: & |
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| 69 | tmpmsk ! global domain mask |
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| 70 | REAL(wp) , DIMENSION(jpbdta,1) :: & |
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| 71 | ndta ! temporary array |
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| 72 | CHARACTER(LEN=80),DIMENSION(3) :: bdyfile |
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| 73 | |
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| 74 | NAMELIST/nambdy/filbdy_mask, filbdy_data_T, filbdy_data_U, filbdy_data_V, & |
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| 75 | ln_bdy_clim, ln_bdy_vol, ln_bdy_fla, ln_bdy_mask, & |
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| 76 | nbdy_dta, nb_rimwidth, volbdy |
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| 77 | |
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| 78 | !!---------------------------------------------------------------------- |
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| 79 | |
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| 80 | IF(lwp) WRITE(numout,*) |
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| 81 | IF(lwp) WRITE(numout,*) 'bdy_init : initialization of unstructured open boundaries' |
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| 82 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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| 83 | |
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| 84 | IF( jperio /= 0 ) THEN |
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| 85 | IF(lwp) WRITE(numout,*) |
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| 86 | IF(lwp) WRITE(numout,*) ' E R R O R : Cyclic or symmetric,', & |
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| 87 | ' and unstructured open boundary condition are not compatible' |
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| 88 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 89 | IF(lwp) WRITE(numout,*) |
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| 90 | nstop = nstop + 1 |
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| 91 | END IF |
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| 92 | |
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| 93 | #if defined key_obc |
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| 94 | IF(lwp) WRITE(numout,*) |
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| 95 | IF(lwp) WRITE(numout,*) ' E R R O R : Straight open boundaries,', & |
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| 96 | ' and unstructured open boundaries are not compatible' |
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| 97 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 98 | IF(lwp) WRITE(numout,*) |
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| 99 | nstop = nstop + 1 |
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| 100 | #endif |
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| 101 | |
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| 102 | # if defined key_dynspg_rl |
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| 103 | IF(lwp) WRITE(numout,*) |
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| 104 | IF(lwp) WRITE(numout,*) ' E R R O R : Rigid lid,', & |
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| 105 | ' and unstructured open boundaries are not compatible' |
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| 106 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 107 | IF(lwp) WRITE(numout,*) |
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| 108 | nstop = nstop + 1 |
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| 109 | #endif |
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| 110 | |
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| 111 | ! 0. Read namelist parameters |
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| 112 | ! --------------------------- |
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| 113 | |
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| 114 | REWIND( numnam ) |
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| 115 | READ ( numnam, nambdy ) |
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| 116 | |
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| 117 | ! control prints |
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| 118 | IF(lwp) WRITE(numout,*) ' nambdy' |
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| 119 | |
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| 120 | IF ((nbdy_dta/=0).AND.(nbdy_dta/=1)) THEN ! Check nbdy_dta value |
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| 121 | IF(lwp) WRITE(numout,*) |
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| 122 | IF(lwp) WRITE(numout,*) ' E R R O R : nbdy_dta =',nbdy_dta, & |
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| 123 | 'but it should have been 0 or 1' |
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| 124 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 125 | IF(lwp) WRITE(numout,*) |
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| 126 | nstop = nstop + 1 |
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| 127 | ELSE |
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| 128 | IF(lwp) WRITE(numout,*) ' ' |
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| 129 | IF(lwp) WRITE(numout,*) ' data in file (=1) or nbdy_dta = ', nbdy_dta |
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| 130 | IF(lwp) WRITE(numout,*) ' initial state used (=0)' |
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| 131 | END IF |
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| 132 | |
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| 133 | IF(lwp) WRITE(numout,*) ' ' |
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| 134 | IF(lwp) WRITE(numout,*) 'Boundary rim width for the FRS nb_rimwidth = ', nb_rimwidth |
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| 135 | |
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| 136 | IF (ln_bdy_vol) THEN |
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| 137 | IF (volbdy==1) THEN ! Check volbdy value |
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| 138 | IF(lwp) WRITE(numout,*) ' ' |
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| 139 | IF(lwp) WRITE(numout,*) ' volbdy = ', volbdy |
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| 140 | IF(lwp) WRITE(numout,*) ' The total volume will be constant' |
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| 141 | |
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| 142 | ELSEIF (volbdy==0) THEN |
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| 143 | IF(lwp) WRITE(numout,*) ' ' |
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| 144 | IF(lwp) WRITE(numout,*) ' volbdy = ', volbdy |
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| 145 | IF(lwp) WRITE(numout,*) ' The total volume will vary according to & |
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| 146 | &the surface E-P flux' |
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| 147 | ELSE |
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| 148 | IF(lwp) WRITE(numout,*) ' ' |
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| 149 | IF(lwp) WRITE(numout,*) ' E R R O R : volbdy =',volbdy, & |
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| 150 | 'but it should have been 0 or 1' |
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| 151 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 152 | IF(lwp) WRITE(numout,*) |
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| 153 | nstop = nstop + 1 |
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| 154 | END IF |
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| 155 | ELSE |
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| 156 | IF(lwp) WRITE(numout,*) ' ' |
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| 157 | IF(lwp) WRITE(numout,*) 'No volume correction with unstructured open boundaries' |
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| 158 | IF(lwp) WRITE(numout,*) ' ' |
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| 159 | ENDIF |
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| 160 | |
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| 161 | IF (ln_bdy_fla) THEN |
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| 162 | IF(lwp) WRITE(numout,*) ' ' |
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| 163 | IF(lwp) WRITE(numout,*) 'Flather bc with unstructured open boundaries' |
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| 164 | IF(lwp) WRITE(numout,*) ' ' |
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| 165 | ELSE |
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| 166 | IF(lwp) WRITE(numout,*) ' ' |
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| 167 | IF(lwp) WRITE(numout,*) 'NO Flather bc with unstructured open boundaries' |
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| 168 | IF(lwp) WRITE(numout,*) ' ' |
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| 169 | ENDIF |
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| 170 | |
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| 171 | ! 0.5 Read tides namelist |
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| 172 | ! ------------------------ |
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| 173 | |
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| 174 | IF ( lk_bdy_tides ) CALL tide_init |
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| 175 | |
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| 176 | ! 1. Read arrays defining unstructured open boundaries |
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| 177 | ! ---------------------------------------------------- |
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| 178 | |
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| 179 | ! 1.1 Read global 2D mask at T-points: bdytmask |
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| 180 | ! ********************************************* |
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| 181 | ! bdytmask=1 on the computational domain AND on open boundaries |
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| 182 | ! =0 elsewhere |
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| 183 | |
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| 184 | IF( cp_cfg == "eel" .AND. jp_cfg == 5 ) THEN |
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| 185 | tmpmsk(: , : ) = 0.e0 |
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| 186 | tmpmsk(jpizoom+1:jpizoom+jpiglo-2,: ) = 1.e0 |
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| 187 | ELSE IF ( ln_bdy_mask ) THEN |
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| 188 | CALL iom_open( filbdy_mask, inum ) |
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| 189 | CALL iom_get ( inum, jpdom_data, 'bdy_msk', tmpmsk(:,:) ) |
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| 190 | CALL iom_close( inum ) |
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| 191 | ELSE |
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| 192 | tmpmsk(:,:) = 1.0 |
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| 193 | ENDIF |
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| 194 | |
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| 195 | ! Save mask over local domain |
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| 196 | DO jj = 1, nlcj |
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| 197 | DO ji = 1, nlci |
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| 198 | bdytmask(ji,jj) = tmpmsk( mig(ji), mjg(jj)) |
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| 199 | END DO |
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| 200 | END DO |
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| 201 | |
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| 202 | ! Derive mask on U and V grid from mask on T grid |
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| 203 | bdyumask(:,:)=0.e0 |
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| 204 | bdyvmask(:,:)=0.e0 |
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| 205 | DO jj=1, jpjm1 |
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| 206 | DO ji=1, jpim1 |
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| 207 | bdyumask(ji,jj)=bdytmask(ji,jj)*bdytmask(ji+1, jj ) |
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| 208 | bdyvmask(ji,jj)=bdytmask(ji,jj)*bdytmask(ji ,jj+1) |
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| 209 | END DO |
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| 210 | END DO |
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| 211 | |
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| 212 | ! Lateral boundary conditions |
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| 213 | CALL lbc_lnk( bdyumask(:,:), 'U', 1. ) |
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| 214 | CALL lbc_lnk( bdyvmask(:,:), 'V', 1. ) |
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| 215 | |
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| 216 | ! 1.2 Read discrete distance and mapping indices |
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| 217 | ! ********************************************** |
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| 218 | nbidta(:,:)=0. |
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| 219 | nbjdta(:,:)=0. |
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| 220 | nbrdta(:,:)=0. |
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| 221 | |
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| 222 | IF( cp_cfg == "eel" .AND. jp_cfg == 5 ) THEN |
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| 223 | |
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| 224 | icount = 0 |
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| 225 | ! Define west boundary (from ji=2 to ji=1+nb_rimwidth): |
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| 226 | DO jr=1,nb_rimwidth |
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| 227 | DO jj=3,jpjglo-2 |
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| 228 | icount=icount+1 |
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| 229 | nbidta(icount,:) = jr + 1 + (jpizoom-1) |
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| 230 | nbjdta(icount,:) = jj + (jpjzoom-1) |
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| 231 | nbrdta(icount,:) = jr |
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| 232 | END DO |
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| 233 | END DO |
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| 234 | |
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| 235 | ! Define east boundary (from ji=jpiglo-1 to ji=jpiglo-nb_rimwidth): |
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| 236 | DO jr=1,nb_rimwidth |
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| 237 | DO jj=3,jpjglo-2 |
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| 238 | icount=icount+1 |
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| 239 | nbidta(icount,:) = jpiglo-jr + (jpizoom-1) |
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| 240 | nbidta(icount,2) = jpiglo-jr-1 + (jpizoom-1) ! special case for u points |
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| 241 | nbjdta(icount,:) = jj + (jpjzoom-1) |
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| 242 | nbrdta(icount,:) = jr |
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| 243 | END DO |
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| 244 | END DO |
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| 245 | |
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| 246 | ELSE |
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| 247 | |
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| 248 | ! Read indices and distances in unstructured boundary data files |
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| 249 | |
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| 250 | IF ( lk_bdy ) THEN |
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| 251 | bdyfile(1) = filbdy_data_T |
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| 252 | bdyfile(2) = filbdy_data_U |
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| 253 | bdyfile(3) = filbdy_data_V |
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| 254 | ELSE |
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| 255 | ! In this case we have tides only at the boundaries |
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| 256 | ! so read index arrays from tides files for first tidal component |
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| 257 | bdyfile(1) = TRIM(filtide)//TRIM(tide_cpt(1))//'_grid_T.nc' |
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| 258 | bdyfile(2) = TRIM(filtide)//TRIM(tide_cpt(1))//'_grid_U.nc' |
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| 259 | bdyfile(3) = TRIM(filtide)//TRIM(tide_cpt(1))//'_grid_V.nc' |
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| 260 | ENDIF |
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| 261 | |
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| 262 | DO jgrd = 1,3 |
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| 263 | CALL iom_open( bdyfile(jgrd), inum ) |
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| 264 | dummy_id = iom_varid( inum, 'nbidta', kdimsz=kdimsz ) |
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| 265 | WRITE(numout,*) 'kdimsz : ',kdimsz |
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| 266 | nb_len = kdimsz(1) |
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| 267 | IF (nb_len > jpbdta) THEN |
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| 268 | IF(lwp) WRITE(numout,*) |
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| 269 | IF(lwp) WRITE(numout,*) ' E R R O R : jpbdta is too small:' |
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| 270 | IF(lwp) WRITE(numout,*) ' ========== Boundary array length in file is ', nb_len |
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| 271 | IF(lwp) WRITE(numout,*) ' But jpbdta is ', jpbdta |
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| 272 | IF(lwp) WRITE(numout,*) ' File : ', bdyfile(jgrd) |
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| 273 | IF(lwp) WRITE(numout,*) |
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| 274 | nstop = nstop + 1 |
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| 275 | ENDIF |
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| 276 | CALL iom_get ( inum, jpdom_unknown, 'nbidta', ndta(1:nb_len,:) ) |
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| 277 | DO ji=1,nb_len |
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| 278 | nbidta(ji,jgrd) = INT( ndta(ji,1) ) |
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| 279 | ENDDO |
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| 280 | CALL iom_get ( inum, jpdom_unknown, 'nbjdta', ndta(1:nb_len,:) ) |
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| 281 | DO ji=1,nb_len |
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| 282 | nbjdta(ji,jgrd) = INT( ndta(ji,1) ) |
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| 283 | ENDDO |
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| 284 | CALL iom_get ( inum, jpdom_unknown, 'nbrdta', ndta(1:nb_len,:) ) |
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| 285 | DO ji=1,nb_len |
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| 286 | nbrdta(ji,jgrd) = INT( ndta(ji,1) ) |
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| 287 | ENDDO |
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| 288 | CALL iom_close( inum ) |
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| 289 | |
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| 290 | ! Check that rimwidth in file is big enough: |
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| 291 | nbr_max = MAXVAL(nbrdta(:,jgrd)) |
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| 292 | IF (nbr_max < nb_rimwidth) THEN |
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| 293 | IF(lwp) WRITE(numout,*) |
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| 294 | IF(lwp) WRITE(numout,*) ' E R R O R : Maximum rimwidth in file is ', nbr_max |
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| 295 | IF(lwp) WRITE(numout,*) ' ========== but nb_rimwidth is ', nb_rimwidth |
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| 296 | IF(lwp) WRITE(numout,*) |
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| 297 | nstop = nstop + 1 |
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| 298 | ELSE |
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| 299 | IF(lwp) WRITE(numout,*) |
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| 300 | IF(lwp) WRITE(numout,*) ' Maximum rimwidth in file is ', nbr_max |
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| 301 | IF(lwp) WRITE(numout,*) |
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| 302 | END IF |
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| 303 | |
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| 304 | ENDDO |
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| 305 | |
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| 306 | END IF |
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| 307 | |
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| 308 | ! 1.3 Dispatch mapping indices and discrete distances on each processor |
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| 309 | ! ********************************************************************* |
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| 310 | |
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| 311 | iw = mig(1)+1 ! if monotasking and no zoom, iw=2 |
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| 312 | ie = mig(1) + nlci-1-1 ! if monotasking and no zoom, ie=jpim1 |
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| 313 | is = mjg(1)+1 ! if monotasking and no zoom, is=2 |
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| 314 | in = mjg(1) + nlcj-1-1 ! if monotasking and no zoom, in=jpjm1 |
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| 315 | |
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| 316 | DO jgrd = 1, jpbgrd |
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| 317 | icount = 0 |
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| 318 | icountr = 0 |
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| 319 | DO nb_rim=1, nb_rimwidth |
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| 320 | DO jb = 1, jpbdta |
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| 321 | ! check if point is in local domain and equals nb_rim |
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| 322 | IF ( (nbidta(jb,jgrd) >= iw ).AND. & |
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| 323 | (nbidta(jb,jgrd) <= ie ).AND. & |
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| 324 | (nbjdta(jb,jgrd) >= is ).AND. & |
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| 325 | (nbjdta(jb,jgrd) <= in ).AND. & |
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| 326 | (nbrdta(jb,jgrd) == nb_rim ) ) THEN |
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| 327 | |
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| 328 | icount = icount + 1 |
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| 329 | |
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| 330 | IF (nb_rim==1) icountr = icountr+1 |
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| 331 | |
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| 332 | IF (icount > jpbdim) THEN |
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| 333 | IF(lwp) WRITE(numout,*) 'bdy_ini: jpbdim too small' |
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| 334 | nstop = nstop + 1 |
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| 335 | ELSE |
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| 336 | nbi(icount, jgrd) = nbidta(jb,jgrd)- mig(1)+1 |
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| 337 | nbj(icount, jgrd) = nbjdta(jb,jgrd)- mjg(1)+1 |
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| 338 | nbr(icount, jgrd) = nbrdta(jb,jgrd) |
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| 339 | nbmap(icount,jgrd) = jb |
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| 340 | END IF |
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| 341 | END IF |
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| 342 | END DO |
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| 343 | END DO |
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| 344 | nblenrim(jgrd) = icountr !: length of rim boundary data on each proc |
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| 345 | nblen (jgrd) = icount !: length of boundary data on each proc |
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| 346 | END DO |
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| 347 | |
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| 348 | ! 2. Compute rim weights |
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| 349 | ! ---------------------- |
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| 350 | |
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| 351 | DO jgrd = 1, jpbgrd |
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| 352 | DO jb = 1, nblen(jgrd) |
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| 353 | ! tanh formulation |
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| 354 | nbw(jb,jgrd) = 1.-TANH((FLOAT(nbr(jb,jgrd)-1))/2.) |
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| 355 | ! quadratic |
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| 356 | ! nbw(jb,jgrd) = (FLOAT(nb_rimwidth+1-nbr(jb,jgrd))/FLOAT(nb_rimwidth))**2 |
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| 357 | ! linear |
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| 358 | ! nbw(jb,jgrd) = FLOAT(nb_rimwidth+1-nbr(jb,jgrd))/FLOAT(nb_rimwidth) |
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| 359 | END DO |
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| 360 | END DO |
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| 361 | |
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| 362 | ! 3. Mask corrections |
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| 363 | ! ------------------- |
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| 364 | |
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| 365 | DO jk=1, jpkm1 |
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| 366 | DO jj=1, jpj |
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| 367 | DO ji=1, jpi |
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| 368 | tmask(ji,jj,jk)=tmask(ji,jj,jk)*bdytmask(ji,jj) |
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| 369 | umask(ji,jj,jk)=umask(ji,jj,jk)*bdyumask(ji,jj) |
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| 370 | vmask(ji,jj,jk)=vmask(ji,jj,jk)*bdyvmask(ji,jj) |
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| 371 | bmask(ji,jj)=bmask(ji,jj)*bdytmask(ji,jj) |
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| 372 | END DO |
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| 373 | END DO |
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| 374 | END DO |
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| 375 | |
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| 376 | ! I am not sure that it is useful: |
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| 377 | DO jk=1, jpkm1 |
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| 378 | DO jj=2, jpjm1 |
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| 379 | DO ji=2, jpim1 |
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| 380 | fmask(ji,jj,jk) = fmask(ji,jj,jk) & |
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| 381 | & * bdytmask(ji, jj ) * bdytmask(ji+1, jj ) & |
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| 382 | & * bdytmask(ji,jj+1) * bdytmask(ji+1,jj+1) |
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| 383 | END DO |
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| 384 | END DO |
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| 385 | END DO |
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| 386 | |
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| 387 | tmask_i(:,:) = tmask(:,:,1)*tmask_i(:,:) |
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| 388 | |
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| 389 | bdytmask(:,:)=tmask(:,:,1) |
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| 390 | |
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| 391 | ! bdy masks and bmask are now set to zero on boundary points: |
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| 392 | |
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| 393 | jgrd=1 ! In the free surface case, bmask is at T-points |
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| 394 | DO jb=1, nblenrim(jgrd) |
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| 395 | bmask(nbi(jb,jgrd), nbj(jb,jgrd)) = 0.e0 |
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| 396 | END DO |
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| 397 | |
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| 398 | jgrd=1 |
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| 399 | DO jb=1, nblenrim(jgrd) |
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| 400 | bdytmask(nbi(jb,jgrd), nbj(jb,jgrd)) = 0.e0 |
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| 401 | END DO |
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| 402 | |
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| 403 | jgrd=2 |
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| 404 | DO jb=1, nblenrim(jgrd) |
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| 405 | bdyumask(nbi(jb,jgrd), nbj(jb,jgrd)) = 0.e0 |
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| 406 | END DO |
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| 407 | |
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| 408 | jgrd=3 |
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| 409 | DO jb=1, nblenrim(jgrd) |
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| 410 | bdyvmask(nbi(jb,jgrd), nbj(jb,jgrd)) = 0.e0 |
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| 411 | END DO |
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| 412 | |
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| 413 | ! Lateral boundary conditions |
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| 414 | |
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| 415 | CALL lbc_lnk( fmask, 'F', 1. ) |
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| 416 | CALL lbc_lnk( bdytmask(:,:), 'T', 1. ) |
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| 417 | CALL lbc_lnk( bdyumask(:,:), 'U', 1. ) |
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| 418 | CALL lbc_lnk( bdyvmask(:,:), 'V', 1. ) |
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| 419 | |
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| 420 | IF ((ln_bdy_vol).OR.(ln_bdy_fla)) THEN |
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| 421 | |
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| 422 | ! 4 Indices and directions of rim velocity components |
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| 423 | ! --------------------------------------------------- |
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| 424 | !flagu = -1 : u component is normal to the dynamical boundary |
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| 425 | ! but its direction is outward |
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| 426 | ! |
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| 427 | !flagu = 0 : u is tangential |
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| 428 | ! |
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| 429 | !flagu = 1 : u is normal to the boundary |
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| 430 | ! and is direction is inward |
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| 431 | |
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| 432 | icount = 0 |
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| 433 | |
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| 434 | flagu(:)=0.e0 |
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| 435 | |
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| 436 | jgrd=2 ! u-component |
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| 437 | DO jb=1, nblenrim(jgrd) |
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| 438 | efl=bdytmask(nbi(jb,jgrd) , nbj(jb,jgrd)) |
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| 439 | wfl=bdytmask(nbi(jb,jgrd)+1, nbj(jb,jgrd)) |
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| 440 | IF ((efl+wfl)==2) THEN |
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| 441 | icount = icount +1 |
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| 442 | ELSE |
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| 443 | flagu(jb)=-efl+wfl |
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| 444 | END IF |
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| 445 | END DO |
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| 446 | |
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| 447 | !flagv = -1 : u component is normal to the dynamical boundary |
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| 448 | ! but its direction is outward |
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| 449 | ! |
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| 450 | !flagv = 0 : u is tangential |
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| 451 | ! |
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| 452 | !flagv = 1 : u is normal to the boundary |
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| 453 | ! and is direction is inward |
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| 454 | |
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| 455 | flagv(:)=0.e0 |
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| 456 | |
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| 457 | jgrd=3 ! v-component |
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| 458 | DO jb=1, nblenrim(jgrd) |
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| 459 | nfl = bdytmask(nbi(jb,jgrd), nbj(jb,jgrd)) |
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| 460 | sfl = bdytmask(nbi(jb,jgrd), nbj(jb,jgrd)+1) |
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| 461 | IF ((nfl+sfl)==2) THEN |
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| 462 | icount = icount +1 |
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| 463 | ELSE |
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| 464 | flagv(jb)=-nfl+sfl |
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| 465 | END IF |
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| 466 | END DO |
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| 467 | |
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| 468 | IF( icount /= 0 ) THEN |
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| 469 | IF(lwp) WRITE(numout,*) |
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| 470 | IF(lwp) WRITE(numout,*) ' E R R O R : Some data velocity points,', & |
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| 471 | ' are not boundary points. Check nbi, nbj, indices.' |
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| 472 | IF(lwp) WRITE(numout,*) ' ========== ' |
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| 473 | IF(lwp) WRITE(numout,*) |
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| 474 | nstop = nstop + 1 |
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| 475 | END IF |
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| 476 | |
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| 477 | END IF |
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| 478 | |
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| 479 | ! 5 Compute total lateral surface for volume correction: |
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| 480 | ! ------------------------------------------------------ |
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| 481 | |
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| 482 | bdysurftot = 0.e0 |
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| 483 | |
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| 484 | IF (ln_bdy_vol) THEN |
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| 485 | jgrd=2 ! Lateral surface at U-points |
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| 486 | DO jb=1, nblenrim(jgrd) |
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| 487 | bdysurftot = bdysurftot + & |
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| 488 | hu(nbi(jb,jgrd), nbj(jb,jgrd)) * e2u(nbi(jb,jgrd), nbj(jb,jgrd)) & |
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| 489 | * ABS(flagu(jb))*tmask_i(nbi(jb,jgrd) , nbj(jb,jgrd)) & |
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| 490 | *tmask_i(nbi(jb,jgrd)+1, nbj(jb,jgrd)) |
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| 491 | END DO |
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| 492 | |
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| 493 | jgrd=3 ! Add lateral surface at V-points |
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| 494 | DO jb=1, nblenrim(jgrd) |
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| 495 | bdysurftot = bdysurftot + & |
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| 496 | hv(nbi(jb,jgrd), nbj(jb,jgrd)) * e1v(nbi(jb,jgrd), nbj(jb,jgrd)) & |
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| 497 | * ABS(flagv(jb))*tmask_i(nbi(jb,jgrd), nbj(jb,jgrd)) & |
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| 498 | *tmask_i(nbi(jb,jgrd), nbj(jb,jgrd)+1) |
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| 499 | END DO |
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| 500 | |
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| 501 | IF( lk_mpp ) CALL mpp_sum( bdysurftot ) ! sum over the global domain |
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| 502 | END IF |
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| 503 | |
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| 504 | |
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| 505 | ! 6. Initialise bdy data arrays |
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| 506 | ! ----------------------------- |
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| 507 | |
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| 508 | tbdy(:,:) = 0.e0 |
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| 509 | sbdy(:,:) = 0.e0 |
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| 510 | ubdy(:,:) = 0.e0 |
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| 511 | vbdy(:,:) = 0.e0 |
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| 512 | sshbdy(:) = 0.e0 |
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| 513 | ubtbdy(:) = 0.e0 |
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| 514 | vbtbdy(:) = 0.e0 |
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| 515 | |
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| 516 | ! 7. Read in tidal constituents and adjust for model start time |
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| 517 | ! ------------------------------------------------------------- |
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| 518 | |
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| 519 | IF ( lk_bdy_tides ) CALL tide_data |
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| 520 | |
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| 521 | END SUBROUTINE bdy_init |
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| 522 | |
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| 523 | #else |
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| 524 | !!--------------------------------------------------------------------------------- |
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| 525 | !! Dummy module NO unstructured open boundaries |
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| 526 | !!--------------------------------------------------------------------------------- |
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| 527 | CONTAINS |
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| 528 | SUBROUTINE bdy_init ! Dummy routine |
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| 529 | END SUBROUTINE bdy_init |
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| 530 | #endif |
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| 531 | |
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| 532 | !!================================================================================= |
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| 533 | END MODULE bdyini |
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