[643] | 1 | MODULE dynadv_cen2 |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE dynadv *** |
---|
| 4 | !! Ocean dynamics: Update the momentum trend with the flux form advection |
---|
| 5 | !! using a 2nd order centred scheme |
---|
| 6 | !!====================================================================== |
---|
[1566] | 7 | !! History : 2.0 ! 2006-08 (G. Madec, S. Theetten) Original code |
---|
| 8 | !! 3.2 ! 2009-07 (R. Benshila) Suppression of rigid-lid option |
---|
[643] | 9 | !!---------------------------------------------------------------------- |
---|
| 10 | |
---|
| 11 | !!---------------------------------------------------------------------- |
---|
[6140] | 12 | !! dyn_adv_cen2 : flux form momentum advection (ln_dynadv_cen2=T) using a 2nd order centred scheme |
---|
[643] | 13 | !!---------------------------------------------------------------------- |
---|
| 14 | USE oce ! ocean dynamics and tracers |
---|
| 15 | USE dom_oce ! ocean space and time domain |
---|
[4990] | 16 | USE trd_oce ! trends: ocean variables |
---|
| 17 | USE trddyn ! trend manager: dynamics |
---|
| 18 | ! |
---|
[643] | 19 | USE in_out_manager ! I/O manager |
---|
[2715] | 20 | USE lib_mpp ! MPP library |
---|
[1129] | 21 | USE prtctl ! Print control |
---|
[643] | 22 | |
---|
| 23 | IMPLICIT NONE |
---|
| 24 | PRIVATE |
---|
| 25 | |
---|
[1566] | 26 | PUBLIC dyn_adv_cen2 ! routine called by step.F90 |
---|
[643] | 27 | |
---|
| 28 | !! * Substitutions |
---|
| 29 | # include "vectopt_loop_substitute.h90" |
---|
| 30 | !!---------------------------------------------------------------------- |
---|
[9598] | 31 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
[1152] | 32 | !! $Id$ |
---|
[9598] | 33 | !! Software governed by the CeCILL licence (./LICENSE) |
---|
[643] | 34 | !!---------------------------------------------------------------------- |
---|
| 35 | CONTAINS |
---|
| 36 | |
---|
| 37 | SUBROUTINE dyn_adv_cen2( kt ) |
---|
| 38 | !!---------------------------------------------------------------------- |
---|
| 39 | !! *** ROUTINE dyn_adv_cen2 *** |
---|
| 40 | !! |
---|
| 41 | !! ** Purpose : Compute the now momentum advection trend in flux form |
---|
[1566] | 42 | !! and the general trend of the momentum equation. |
---|
[643] | 43 | !! |
---|
| 44 | !! ** Method : Trend evaluated using now fields (centered in time) |
---|
| 45 | !! |
---|
[1566] | 46 | !! ** Action : (ua,va) updated with the now vorticity term trend |
---|
[643] | 47 | !!---------------------------------------------------------------------- |
---|
[1566] | 48 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
[2715] | 49 | ! |
---|
[1566] | 50 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[9019] | 51 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zfu_t, zfu_f, zfu_uw, zfu |
---|
| 52 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zfv_t, zfv_f, zfv_vw, zfv, zfw |
---|
[643] | 53 | !!---------------------------------------------------------------------- |
---|
[3294] | 54 | ! |
---|
[2715] | 55 | IF( kt == nit000 .AND. lwp ) THEN |
---|
| 56 | WRITE(numout,*) |
---|
| 57 | WRITE(numout,*) 'dyn_adv_cen2 : 2nd order flux form momentum advection' |
---|
| 58 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
[643] | 59 | ENDIF |
---|
[3294] | 60 | ! |
---|
[6140] | 61 | IF( l_trddyn ) THEN ! trends: store the input trends |
---|
[1129] | 62 | zfu_uw(:,:,:) = ua(:,:,:) |
---|
| 63 | zfv_vw(:,:,:) = va(:,:,:) |
---|
| 64 | ENDIF |
---|
[6140] | 65 | ! |
---|
| 66 | ! !== Horizontal advection ==! |
---|
| 67 | ! |
---|
| 68 | DO jk = 1, jpkm1 ! horizontal transport |
---|
| 69 | zfu(:,:,jk) = 0.25_wp * e2u(:,:) * e3u_n(:,:,jk) * un(:,:,jk) |
---|
| 70 | zfv(:,:,jk) = 0.25_wp * e1v(:,:) * e3v_n(:,:,jk) * vn(:,:,jk) |
---|
| 71 | DO jj = 1, jpjm1 ! horizontal momentum fluxes (at T- and F-point) |
---|
[643] | 72 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[6140] | 73 | zfu_t(ji+1,jj ,jk) = ( zfu(ji,jj,jk) + zfu(ji+1,jj,jk) ) * ( un(ji,jj,jk) + un(ji+1,jj ,jk) ) |
---|
| 74 | zfv_f(ji ,jj ,jk) = ( zfv(ji,jj,jk) + zfv(ji+1,jj,jk) ) * ( un(ji,jj,jk) + un(ji ,jj+1,jk) ) |
---|
| 75 | zfu_f(ji ,jj ,jk) = ( zfu(ji,jj,jk) + zfu(ji,jj+1,jk) ) * ( vn(ji,jj,jk) + vn(ji+1,jj ,jk) ) |
---|
| 76 | zfv_t(ji ,jj+1,jk) = ( zfv(ji,jj,jk) + zfv(ji,jj+1,jk) ) * ( vn(ji,jj,jk) + vn(ji ,jj+1,jk) ) |
---|
[643] | 77 | END DO |
---|
| 78 | END DO |
---|
[6140] | 79 | DO jj = 2, jpjm1 ! divergence of horizontal momentum fluxes |
---|
[643] | 80 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 81 | ua(ji,jj,jk) = ua(ji,jj,jk) - ( zfu_t(ji+1,jj,jk) - zfu_t(ji,jj ,jk) & |
---|
| 82 | & + zfv_f(ji ,jj,jk) - zfv_f(ji,jj-1,jk) ) * r1_e1e2u(ji,jj) / e3u_n(ji,jj,jk) |
---|
| 83 | va(ji,jj,jk) = va(ji,jj,jk) - ( zfu_f(ji,jj ,jk) - zfu_f(ji-1,jj,jk) & |
---|
| 84 | & + zfv_t(ji,jj+1,jk) - zfv_t(ji ,jj,jk) ) * r1_e1e2v(ji,jj) / e3v_n(ji,jj,jk) |
---|
[643] | 85 | END DO |
---|
| 86 | END DO |
---|
[1566] | 87 | END DO |
---|
| 88 | ! |
---|
[6140] | 89 | IF( l_trddyn ) THEN ! trends: send trend to trddyn for diagnostic |
---|
[1129] | 90 | zfu_uw(:,:,:) = ua(:,:,:) - zfu_uw(:,:,:) |
---|
| 91 | zfv_vw(:,:,:) = va(:,:,:) - zfv_vw(:,:,:) |
---|
[4990] | 92 | CALL trd_dyn( zfu_uw, zfv_vw, jpdyn_keg, kt ) |
---|
[1129] | 93 | zfu_t(:,:,:) = ua(:,:,:) |
---|
| 94 | zfv_t(:,:,:) = va(:,:,:) |
---|
| 95 | ENDIF |
---|
[1566] | 96 | ! |
---|
[6140] | 97 | ! !== Vertical advection ==! |
---|
| 98 | ! |
---|
| 99 | DO jj = 2, jpjm1 ! surface/bottom advective fluxes set to zero |
---|
| 100 | DO ji = fs_2, fs_jpim1 |
---|
[9111] | 101 | zfu_uw(ji,jj,jpk) = 0._wp ; zfv_vw(ji,jj,jpk) = 0._wp |
---|
| 102 | zfu_uw(ji,jj, 1 ) = 0._wp ; zfv_vw(ji,jj, 1 ) = 0._wp |
---|
[6140] | 103 | END DO |
---|
| 104 | END DO |
---|
| 105 | IF( ln_linssh ) THEN ! linear free surface: advection through the surface |
---|
| 106 | DO jj = 2, jpjm1 |
---|
| 107 | DO ji = fs_2, fs_jpim1 |
---|
| 108 | zfu_uw(ji,jj,1) = 0.5_wp * ( e1e2t(ji,jj) * wn(ji,jj,1) + e1e2t(ji+1,jj) * wn(ji+1,jj,1) ) * un(ji,jj,1) |
---|
| 109 | zfv_vw(ji,jj,1) = 0.5_wp * ( e1e2t(ji,jj) * wn(ji,jj,1) + e1e2t(ji,jj+1) * wn(ji,jj+1,1) ) * vn(ji,jj,1) |
---|
[643] | 110 | END DO |
---|
[6140] | 111 | END DO |
---|
| 112 | ENDIF |
---|
| 113 | DO jk = 2, jpkm1 ! interior advective fluxes |
---|
[6750] | 114 | DO jj = 2, jpj ! 1/4 * Vertical transport |
---|
| 115 | DO ji = 2, jpi |
---|
[6140] | 116 | zfw(ji,jj,jk) = 0.25_wp * e1e2t(ji,jj) * wn(ji,jj,jk) |
---|
| 117 | END DO |
---|
| 118 | END DO |
---|
| 119 | DO jj = 2, jpjm1 |
---|
| 120 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 121 | zfu_uw(ji,jj,jk) = ( zfw(ji,jj,jk) + zfw(ji+1,jj ,jk) ) * ( un(ji,jj,jk) + un(ji,jj,jk-1) ) |
---|
| 122 | zfv_vw(ji,jj,jk) = ( zfw(ji,jj,jk) + zfw(ji ,jj+1,jk) ) * ( vn(ji,jj,jk) + vn(ji,jj,jk-1) ) |
---|
| 123 | END DO |
---|
| 124 | END DO |
---|
[643] | 125 | END DO |
---|
[6140] | 126 | DO jk = 1, jpkm1 ! divergence of vertical momentum flux divergence |
---|
[643] | 127 | DO jj = 2, jpjm1 |
---|
| 128 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 129 | ua(ji,jj,jk) = ua(ji,jj,jk) - ( zfu_uw(ji,jj,jk) - zfu_uw(ji,jj,jk+1) ) * r1_e1e2u(ji,jj) / e3u_n(ji,jj,jk) |
---|
| 130 | va(ji,jj,jk) = va(ji,jj,jk) - ( zfv_vw(ji,jj,jk) - zfv_vw(ji,jj,jk+1) ) * r1_e1e2v(ji,jj) / e3v_n(ji,jj,jk) |
---|
[643] | 131 | END DO |
---|
| 132 | END DO |
---|
| 133 | END DO |
---|
[1566] | 134 | ! |
---|
[6140] | 135 | IF( l_trddyn ) THEN ! trends: send trend to trddyn for diagnostic |
---|
[1129] | 136 | zfu_t(:,:,:) = ua(:,:,:) - zfu_t(:,:,:) |
---|
| 137 | zfv_t(:,:,:) = va(:,:,:) - zfv_t(:,:,:) |
---|
[4990] | 138 | CALL trd_dyn( zfu_t, zfv_t, jpdyn_zad, kt ) |
---|
[1129] | 139 | ENDIF |
---|
[6140] | 140 | ! ! Control print |
---|
[1129] | 141 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' cen2 adv - Ua: ', mask1=umask, & |
---|
| 142 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
| 143 | ! |
---|
[643] | 144 | END SUBROUTINE dyn_adv_cen2 |
---|
| 145 | |
---|
| 146 | !!============================================================================== |
---|
| 147 | END MODULE dynadv_cen2 |
---|