[911] | 1 | MODULE bdydyn |
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[1125] | 2 | !!====================================================================== |
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[911] | 3 | !! *** MODULE bdydyn *** |
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[3294] | 4 | !! Unstructured Open Boundary Cond. : Apply boundary conditions to velocities |
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[1125] | 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2005-02 (J. Chanut, A. Sellar) Original code |
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| 7 | !! - ! 2007-07 (D. Storkey) Move Flather implementation to separate routine. |
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| 8 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
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[1502] | 9 | !! 3.2 ! 2008-04 (R. Benshila) consider velocity instead of transport |
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[2528] | 10 | !! 3.3 ! 2010-09 (E.O'Dea) modifications for Shelf configurations |
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| 11 | !! 3.3 ! 2010-09 (D.Storkey) add ice boundary conditions |
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[3294] | 12 | !! 3.4 ! 2011 (D. Storkey) rewrite in preparation for OBC-BDY merge |
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[1125] | 13 | !!---------------------------------------------------------------------- |
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[3294] | 14 | !! bdy_dyn : split velocities into barotropic and baroclinic parts |
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| 15 | !! and call bdy_dyn2d and bdy_dyn3d to apply boundary |
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| 16 | !! conditions |
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[1125] | 17 | !!---------------------------------------------------------------------- |
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[911] | 18 | USE oce ! ocean dynamics and tracers |
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| 19 | USE dom_oce ! ocean space and time domain |
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| 20 | USE bdy_oce ! ocean open boundary conditions |
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[3294] | 21 | USE bdydyn2d ! open boundary conditions for barotropic solution |
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| 22 | USE bdydyn3d ! open boundary conditions for baroclinic velocities |
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[911] | 23 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[1125] | 24 | USE in_out_manager ! |
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[4689] | 25 | USE domvvl ! variable volume |
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[911] | 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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[5930] | 30 | PUBLIC bdy_dyn ! routine called in dyn_nxt |
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[911] | 31 | |
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[13540] | 32 | !! * Substitutions |
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| 33 | # include "domzgr_substitute.h90" |
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[1125] | 34 | !!---------------------------------------------------------------------- |
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[9598] | 35 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1146] | 36 | !! $Id$ |
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[10068] | 37 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[1125] | 38 | !!---------------------------------------------------------------------- |
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[911] | 39 | CONTAINS |
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| 40 | |
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[12377] | 41 | SUBROUTINE bdy_dyn( kt, Kbb, puu, pvv, Kaa, dyn3d_only ) |
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[1125] | 42 | !!---------------------------------------------------------------------- |
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[3294] | 43 | !! *** SUBROUTINE bdy_dyn *** |
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[1125] | 44 | !! |
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[3294] | 45 | !! ** Purpose : - Wrapper routine for bdy_dyn2d and bdy_dyn3d. |
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[911] | 46 | !! |
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[1125] | 47 | !!---------------------------------------------------------------------- |
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[12377] | 48 | INTEGER , INTENT(in) :: kt ! Main time step counter |
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| 49 | INTEGER , INTENT(in) :: Kbb, Kaa ! Ocean time level indices |
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| 50 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! Ocean velocities (to be updated at open boundaries) |
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| 51 | LOGICAL, OPTIONAL , INTENT(in) :: dyn3d_only ! T => only update baroclinic velocities |
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[6140] | 52 | ! |
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| 53 | INTEGER :: jk, ii, ij, ib_bdy, ib, igrd ! Loop counter |
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| 54 | LOGICAL :: ll_dyn2d, ll_dyn3d, ll_orlanski |
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[12377] | 55 | REAL(wp), DIMENSION(jpi,jpj) :: zua2d, zva2d ! after barotropic velocities |
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[6140] | 56 | !!---------------------------------------------------------------------- |
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| 57 | ! |
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[3294] | 58 | ll_dyn2d = .true. |
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| 59 | ll_dyn3d = .true. |
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[6140] | 60 | ! |
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[3294] | 61 | IF( PRESENT(dyn3d_only) ) THEN |
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[6140] | 62 | IF( dyn3d_only ) ll_dyn2d = .false. |
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[3294] | 63 | ENDIF |
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[6140] | 64 | ! |
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[4292] | 65 | ll_orlanski = .false. |
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| 66 | DO ib_bdy = 1, nb_bdy |
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[6140] | 67 | IF ( cn_dyn2d(ib_bdy) == 'orlanski' .OR. cn_dyn2d(ib_bdy) == 'orlanski_npo' & |
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| 68 | & .OR. cn_dyn3d(ib_bdy) == 'orlanski' .OR. cn_dyn3d(ib_bdy) == 'orlanski_npo') ll_orlanski = .true. |
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| 69 | END DO |
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[4292] | 70 | |
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[3294] | 71 | !------------------------------------------------------- |
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| 72 | ! Split velocities into barotropic and baroclinic parts |
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| 73 | !------------------------------------------------------- |
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[911] | 74 | |
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[6140] | 75 | ! ! "After" velocities: |
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[12377] | 76 | zua2d(:,:) = 0._wp |
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| 77 | zva2d(:,:) = 0._wp |
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[4370] | 78 | DO jk = 1, jpkm1 |
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[12377] | 79 | zua2d(:,:) = zua2d(:,:) + e3u(:,:,jk,Kaa) * puu(:,:,jk,Kaa) * umask(:,:,jk) |
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| 80 | zva2d(:,:) = zva2d(:,:) + e3v(:,:,jk,Kaa) * pvv(:,:,jk,Kaa) * vmask(:,:,jk) |
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[4370] | 81 | END DO |
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[12377] | 82 | zua2d(:,:) = zua2d(:,:) * r1_hu(:,:,Kaa) |
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| 83 | zva2d(:,:) = zva2d(:,:) * r1_hv(:,:,Kaa) |
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[4292] | 84 | |
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[3294] | 85 | DO jk = 1 , jpkm1 |
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[12377] | 86 | puu(:,:,jk,Kaa) = ( puu(:,:,jk,Kaa) - zua2d(:,:) ) * umask(:,:,jk) |
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| 87 | pvv(:,:,jk,Kaa) = ( pvv(:,:,jk,Kaa) - zva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 88 | END DO |
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| 89 | |
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[4292] | 90 | |
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[6140] | 91 | IF( ll_orlanski ) THEN ! "Before" velocities (Orlanski condition only) |
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[4292] | 92 | DO jk = 1 , jpkm1 |
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[12377] | 93 | puu(:,:,jk,Kbb) = ( puu(:,:,jk,Kbb) - uu_b(:,:,Kbb) ) * umask(:,:,jk) |
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| 94 | pvv(:,:,jk,Kbb) = ( pvv(:,:,jk,Kbb) - vv_b(:,:,Kbb) ) * vmask(:,:,jk) |
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[4292] | 95 | END DO |
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[6140] | 96 | ENDIF |
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[4292] | 97 | |
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[3294] | 98 | !------------------------------------------------------- |
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| 99 | ! Apply boundary conditions to barotropic and baroclinic |
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| 100 | ! parts separately |
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| 101 | !------------------------------------------------------- |
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| 102 | |
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[12377] | 103 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt, zua2d, zva2d, uu_b(:,:,Kbb), vv_b(:,:,Kbb), r1_hu(:,:,Kaa), r1_hv(:,:,Kaa), ssh(:,:,Kaa) ) |
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[3294] | 104 | |
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[12377] | 105 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt, Kbb, puu, pvv, Kaa ) |
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[3294] | 106 | |
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| 107 | !------------------------------------------------------- |
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| 108 | ! Recombine velocities |
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| 109 | !------------------------------------------------------- |
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[6140] | 110 | ! |
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[3294] | 111 | DO jk = 1 , jpkm1 |
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[12377] | 112 | puu(:,:,jk,Kaa) = ( puu(:,:,jk,Kaa) + zua2d(:,:) ) * umask(:,:,jk) |
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| 113 | pvv(:,:,jk,Kaa) = ( pvv(:,:,jk,Kaa) + zva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 114 | END DO |
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[6140] | 115 | ! |
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[4292] | 116 | IF ( ll_orlanski ) THEN |
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| 117 | DO jk = 1 , jpkm1 |
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[12377] | 118 | puu(:,:,jk,Kbb) = ( puu(:,:,jk,Kbb) + uu_b(:,:,Kbb) ) * umask(:,:,jk) |
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| 119 | pvv(:,:,jk,Kbb) = ( pvv(:,:,jk,Kbb) + vv_b(:,:,Kbb) ) * vmask(:,:,jk) |
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[4292] | 120 | END DO |
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| 121 | END IF |
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[6140] | 122 | ! |
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[3294] | 123 | END SUBROUTINE bdy_dyn |
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| 124 | |
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[1125] | 125 | !!====================================================================== |
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[911] | 126 | END MODULE bdydyn |
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