[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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[1125] | 32 | !!---------------------------------------------------------------------- |
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[9598] | 33 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1146] | 34 | !! $Id$ |
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[10068] | 35 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[1125] | 36 | !!---------------------------------------------------------------------- |
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[911] | 37 | CONTAINS |
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| 38 | |
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[10957] | 39 | SUBROUTINE bdy_dyn( kt, Kbb, puu, pvv, Kaa, dyn3d_only ) |
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[1125] | 40 | !!---------------------------------------------------------------------- |
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[3294] | 41 | !! *** SUBROUTINE bdy_dyn *** |
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[1125] | 42 | !! |
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[3294] | 43 | !! ** Purpose : - Wrapper routine for bdy_dyn2d and bdy_dyn3d. |
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[911] | 44 | !! |
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[1125] | 45 | !!---------------------------------------------------------------------- |
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[10957] | 46 | INTEGER , INTENT(in) :: kt ! Main time step counter |
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| 47 | INTEGER , INTENT(in) :: Kbb, Kaa ! Ocean time level indices |
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| 48 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! Ocean velocities (to be updated at open boundaries) |
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| 49 | LOGICAL, OPTIONAL , INTENT(in) :: dyn3d_only ! T => only update baroclinic velocities |
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[6140] | 50 | ! |
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| 51 | INTEGER :: jk, ii, ij, ib_bdy, ib, igrd ! Loop counter |
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| 52 | LOGICAL :: ll_dyn2d, ll_dyn3d, ll_orlanski |
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[10957] | 53 | REAL(wp), DIMENSION(jpi,jpj) :: zua2d, zva2d ! after barotropic velocities |
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[6140] | 54 | !!---------------------------------------------------------------------- |
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| 55 | ! |
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[3294] | 56 | ll_dyn2d = .true. |
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| 57 | ll_dyn3d = .true. |
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[6140] | 58 | ! |
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[3294] | 59 | IF( PRESENT(dyn3d_only) ) THEN |
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[6140] | 60 | IF( dyn3d_only ) ll_dyn2d = .false. |
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[3294] | 61 | ENDIF |
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[6140] | 62 | ! |
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[4292] | 63 | ll_orlanski = .false. |
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| 64 | DO ib_bdy = 1, nb_bdy |
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[6140] | 65 | IF ( cn_dyn2d(ib_bdy) == 'orlanski' .OR. cn_dyn2d(ib_bdy) == 'orlanski_npo' & |
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| 66 | & .OR. cn_dyn3d(ib_bdy) == 'orlanski' .OR. cn_dyn3d(ib_bdy) == 'orlanski_npo') ll_orlanski = .true. |
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| 67 | END DO |
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[4292] | 68 | |
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[3294] | 69 | !------------------------------------------------------- |
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| 70 | ! Split velocities into barotropic and baroclinic parts |
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| 71 | !------------------------------------------------------- |
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[911] | 72 | |
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[6140] | 73 | ! ! "After" velocities: |
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[10957] | 74 | zua2d(:,:) = 0._wp |
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| 75 | zva2d(:,:) = 0._wp |
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[4370] | 76 | DO jk = 1, jpkm1 |
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[10957] | 77 | zua2d(:,:) = zua2d(:,:) + e3u(:,:,jk,Kaa) * puu(:,:,jk,Kaa) * umask(:,:,jk) |
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| 78 | zva2d(:,:) = zva2d(:,:) + e3v(:,:,jk,Kaa) * pvv(:,:,jk,Kaa) * vmask(:,:,jk) |
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[4370] | 79 | END DO |
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[10957] | 80 | zua2d(:,:) = zua2d(:,:) * r1_hu_a(:,:) |
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| 81 | zva2d(:,:) = zva2d(:,:) * r1_hv_a(:,:) |
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[4292] | 82 | |
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[3294] | 83 | DO jk = 1 , jpkm1 |
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[10957] | 84 | puu(:,:,jk,Kaa) = ( puu(:,:,jk,Kaa) - zua2d(:,:) ) * umask(:,:,jk) |
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| 85 | pvv(:,:,jk,Kaa) = ( pvv(:,:,jk,Kaa) - zva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 86 | END DO |
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| 87 | |
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[4292] | 88 | |
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[6140] | 89 | IF( ll_orlanski ) THEN ! "Before" velocities (Orlanski condition only) |
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[4292] | 90 | DO jk = 1 , jpkm1 |
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[10957] | 91 | puu(:,:,jk,Kbb) = ( puu(:,:,jk,Kbb) - uu_b(:,:,Kbb) ) * umask(:,:,jk) |
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| 92 | pvv(:,:,jk,Kbb) = ( pvv(:,:,jk,Kbb) - vv_b(:,:,Kbb) ) * vmask(:,:,jk) |
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[4292] | 93 | END DO |
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[6140] | 94 | ENDIF |
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[4292] | 95 | |
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[3294] | 96 | !------------------------------------------------------- |
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| 97 | ! Apply boundary conditions to barotropic and baroclinic |
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| 98 | ! parts separately |
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| 99 | !------------------------------------------------------- |
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| 100 | |
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[10957] | 101 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt, zua2d, zva2d, uu_b(:,:,Kbb), vv_b(:,:,Kbb), r1_hu_a(:,:), r1_hv_a(:,:), ssh(:,:,Kaa) ) |
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[3294] | 102 | |
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[10957] | 103 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt, Kbb, puu, pvv, Kaa ) |
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[3294] | 104 | |
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| 105 | !------------------------------------------------------- |
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| 106 | ! Recombine velocities |
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| 107 | !------------------------------------------------------- |
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[6140] | 108 | ! |
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[3294] | 109 | DO jk = 1 , jpkm1 |
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[10957] | 110 | puu(:,:,jk,Kaa) = ( puu(:,:,jk,Kaa) + zua2d(:,:) ) * umask(:,:,jk) |
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| 111 | pvv(:,:,jk,Kaa) = ( pvv(:,:,jk,Kaa) + zva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 112 | END DO |
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[6140] | 113 | ! |
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[4292] | 114 | IF ( ll_orlanski ) THEN |
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| 115 | DO jk = 1 , jpkm1 |
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[10957] | 116 | puu(:,:,jk,Kbb) = ( puu(:,:,jk,Kbb) + uu_b(:,:,Kbb) ) * umask(:,:,jk) |
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| 117 | pvv(:,:,jk,Kbb) = ( pvv(:,:,jk,Kbb) + vv_b(:,:,Kbb) ) * vmask(:,:,jk) |
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[4292] | 118 | END DO |
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| 119 | END IF |
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[6140] | 120 | ! |
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[3294] | 121 | END SUBROUTINE bdy_dyn |
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| 122 | |
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[1125] | 123 | !!====================================================================== |
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[911] | 124 | END MODULE bdydyn |
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