Changeset 2715 for trunk/NEMOGCM/NEMO/OPA_SRC/DYN/dynzdf_exp.F90
- Timestamp:
- 2011-03-30T17:58:35+02:00 (13 years ago)
- File:
-
- 1 edited
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trunk/NEMOGCM/NEMO/OPA_SRC/DYN/dynzdf_exp.F90 (modified) (5 diffs)
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trunk/NEMOGCM/NEMO/OPA_SRC/DYN/dynzdf_exp.F90
r2528 r2715 6 6 !! History : OPA ! 1990-10 (B. Blanke) Original code 7 7 !! 8.0 ! 1997-05 (G. Madec) vertical component of isopycnal 8 !! NEMO 1.0 ! 1002-08 (G. Madec) F90: Free form and module8 !! NEMO 0.5 ! 2002-08 (G. Madec) F90: Free form and module 9 9 !! 3.3 ! 2010-04 (M. Leclair, G. Madec) Forcing averaged over 2 time steps 10 10 !!---------------------------------------------------------------------- … … 19 19 USE zdf_oce ! ocean vertical physics 20 20 USE sbc_oce ! surface boundary condition: ocean 21 USE lib_mpp ! MPP library 21 22 USE in_out_manager ! I/O manager 23 USE lib_mpp ! MPP library 22 24 23 25 IMPLICIT NONE … … 25 27 26 28 PUBLIC dyn_zdf_exp ! called by step.F90 27 29 28 30 !! * Substitutions 29 31 # include "domzgr_substitute.h90" … … 32 34 !! NEMO/OPA 3.3 , NEMO Consortium (2010) 33 35 !! $Id$ 34 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)36 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) 35 37 !!---------------------------------------------------------------------- 36 37 38 CONTAINS 38 39 … … 53 54 !! ** Action : - Update (ua,va) with the vertical diffusive trend 54 55 !!--------------------------------------------------------------------- 56 USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released 57 USE oce , ONLY: zwx => ta , zwy => sa ! (ta,sa) used as 3D workspace 58 USE wrk_nemo, ONLY: zwz => wrk_3d_1 , zww => wrk_3d_2 ! 3D workspace 59 ! 55 60 INTEGER , INTENT(in) :: kt ! ocean time-step index 56 61 REAL(wp), INTENT(in) :: p2dt ! time-step 57 !! 58 INTEGER :: ji, jj, jk, jl ! dummy loop indices 59 REAL(wp) :: zrau0r, zlavmr, zua, zva ! temporary scalars 60 REAL(wp), DIMENSION(jpi,jpk) :: zwx, zwy, zwz, zww ! 2D workspace 62 ! 63 INTEGER :: ji, jj, jk, jl ! dummy loop indices 64 REAL(wp) :: zrau0r, zlavmr, zua, zva ! local scalars 61 65 !!---------------------------------------------------------------------- 62 66 63 IF( kt == nit000 ) THEN 64 IF(lwp) WRITE(numout,*) 65 IF(lwp) WRITE(numout,*) 'dyn_zdf_exp : vertical momentum diffusion - explicit operator' 66 IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ ' 67 IF( wrk_in_use(3, 1,2) ) THEN 68 CALL ctl_stop('dyn_zdf_exp: requested workspace arrays unavailable') ; RETURN 67 69 ENDIF 68 70 69 zrau0r = 1. / rau0 ! Local constant initialization 71 IF( kt == nit000 .AND. lwp ) THEN 72 WRITE(numout,*) 73 WRITE(numout,*) 'dyn_zdf_exp : vertical momentum diffusion - explicit operator' 74 WRITE(numout,*) '~~~~~~~~~~~ ' 75 ENDIF 76 77 zrau0r = 1. / rau0 ! Local constant initialization 70 78 zlavmr = 1. / REAL( nn_zdfexp ) 71 79 72 ! ! =============== 73 DO jj = 2, jpjm1 ! Vertical slab 74 ! ! =============== 75 DO ji = 2, jpim1 ! Surface boundary condition 76 zwy(ji,1) = ( utau_b(ji,jj) + utau(ji,jj) ) * zrau0r 77 zww(ji,1) = ( vtau_b(ji,jj) + vtau(ji,jj) ) * zrau0r 80 81 DO jj = 2, jpjm1 ! Surface boundary condition 82 DO ji = 2, jpim1 83 zwy(ji,jj,1) = ( utau_b(ji,jj) + utau(ji,jj) ) * zrau0r 84 zww(ji,jj,1) = ( vtau_b(ji,jj) + vtau(ji,jj) ) * zrau0r 78 85 END DO 79 DO jk = 1, jpk ! Initialization of x, z and contingently trends array 86 END DO 87 DO jk = 1, jpk ! Initialization of x, z and contingently trends array 88 DO jj = 2, jpjm1 80 89 DO ji = 2, jpim1 81 zwx(ji,jk) = ub(ji,jj,jk) 82 zwz(ji,jk) = vb(ji,jj,jk) 90 zwx(ji,jj,jk) = ub(ji,jj,jk) 91 zwz(ji,jj,jk) = vb(ji,jj,jk) 92 END DO 93 END DO 94 END DO 95 ! 96 DO jl = 1, nn_zdfexp ! Time splitting loop 97 ! 98 DO jk = 2, jpk ! First vertical derivative 99 DO jj = 2, jpjm1 100 DO ji = 2, jpim1 101 zwy(ji,jj,jk) = avmu(ji,jj,jk) * ( zwx(ji,jj,jk-1) - zwx(ji,jj,jk) ) / fse3uw(ji,jj,jk) 102 zww(ji,jj,jk) = avmv(ji,jj,jk) * ( zwz(ji,jj,jk-1) - zwz(ji,jj,jk) ) / fse3vw(ji,jj,jk) 103 END DO 104 END DO 105 END DO 106 DO jk = 1, jpkm1 ! Second vertical derivative and trend estimation at kt+l*rdt/nn_zdfexp 107 DO jj = 2, jpjm1 108 DO ji = 2, jpim1 109 zua = zlavmr * ( zwy(ji,jj,jk) - zwy(ji,jj,jk+1) ) / fse3u(ji,jj,jk) 110 zva = zlavmr * ( zww(ji,jj,jk) - zww(ji,jj,jk+1) ) / fse3v(ji,jj,jk) 111 ua(ji,jj,jk) = ua(ji,jj,jk) + zua 112 va(ji,jj,jk) = va(ji,jj,jk) + zva 113 ! 114 zwx(ji,jj,jk) = zwx(ji,jj,jk) + p2dt * zua * umask(ji,jj,jk) 115 zwz(ji,jj,jk) = zwz(ji,jj,jk) + p2dt * zva * vmask(ji,jj,jk) 116 END DO 83 117 END DO 84 118 END DO 85 119 ! 86 DO jl = 1, nn_zdfexp ! Time splitting loop 87 ! 88 DO jk = 2, jpk ! First vertical derivative 89 DO ji = 2, jpim1 90 zwy(ji,jk) = avmu(ji,jj,jk) * ( zwx(ji,jk-1) - zwx(ji,jk) ) / fse3uw(ji,jj,jk) 91 zww(ji,jk) = avmv(ji,jj,jk) * ( zwz(ji,jk-1) - zwz(ji,jk) ) / fse3vw(ji,jj,jk) 92 END DO 93 END DO 94 DO jk = 1, jpkm1 ! Second vertical derivative and trend estimation at kt+l*rdt/nn_zdfexp 95 DO ji = 2, jpim1 96 zua = zlavmr * ( zwy(ji,jk) - zwy(ji,jk+1) ) / fse3u(ji,jj,jk) 97 zva = zlavmr * ( zww(ji,jk) - zww(ji,jk+1) ) / fse3v(ji,jj,jk) 98 ua(ji,jj,jk) = ua(ji,jj,jk) + zua 99 va(ji,jj,jk) = va(ji,jj,jk) + zva 100 ! 101 zwx(ji,jk) = zwx(ji,jk) + p2dt * zua * umask(ji,jj,jk) 102 zwz(ji,jk) = zwz(ji,jk) + p2dt * zva * vmask(ji,jj,jk) 103 END DO 104 END DO 105 ! 106 END DO 107 ! ! =============== 108 END DO ! End of slab 109 ! ! =============== 120 END DO ! End of time splitting 121 ! 122 IF( wrk_not_released(3, 1,2) ) CALL ctl_stop('dyn_zdf_exp: failed to release workspace arrays') 123 ! 110 124 END SUBROUTINE dyn_zdf_exp 111 125
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