[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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[3294] | 18 | USE wrk_nemo ! Memory Allocation |
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| 19 | USE timing ! Timing |
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[911] | 20 | USE oce ! ocean dynamics and tracers |
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| 21 | USE dom_oce ! ocean space and time domain |
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| 22 | USE bdy_oce ! ocean open boundary conditions |
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[3294] | 23 | USE bdydyn2d ! open boundary conditions for barotropic solution |
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| 24 | USE bdydyn3d ! open boundary conditions for baroclinic velocities |
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[911] | 25 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[1125] | 26 | USE in_out_manager ! |
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[4689] | 27 | USE domvvl ! variable volume |
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[911] | 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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[5930] | 32 | PUBLIC bdy_dyn ! routine called in dyn_nxt |
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[911] | 33 | |
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[1125] | 34 | !!---------------------------------------------------------------------- |
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[2528] | 35 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1146] | 36 | !! $Id$ |
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[2528] | 37 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1125] | 38 | !!---------------------------------------------------------------------- |
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[911] | 39 | CONTAINS |
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| 40 | |
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[3294] | 41 | SUBROUTINE bdy_dyn( kt, 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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[6140] | 48 | INTEGER, INTENT(in) :: kt ! Main time step counter |
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| 49 | LOGICAL, INTENT(in), OPTIONAL :: dyn3d_only ! T => only update baroclinic velocities |
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| 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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[4354] | 53 | REAL(wp), POINTER, DIMENSION(:,:) :: pua2d, pva2d ! after barotropic velocities |
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[6140] | 54 | !!---------------------------------------------------------------------- |
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| 55 | ! |
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| 56 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn') |
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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 | ! Set pointers |
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| 73 | !------------------------------------------------------- |
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[911] | 74 | |
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[6140] | 75 | CALL wrk_alloc( jpi,jpj, pua2d, pva2d ) |
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[1125] | 76 | |
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[3294] | 77 | !------------------------------------------------------- |
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| 78 | ! Split velocities into barotropic and baroclinic parts |
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| 79 | !------------------------------------------------------- |
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[911] | 80 | |
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[6140] | 81 | ! ! "After" velocities: |
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| 82 | pua2d(:,:) = 0._wp |
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| 83 | pva2d(:,:) = 0._wp |
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[4370] | 84 | DO jk = 1, jpkm1 |
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[6140] | 85 | pua2d(:,:) = pua2d(:,:) + e3u_a(:,:,jk) * ua(:,:,jk) * umask(:,:,jk) |
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| 86 | pva2d(:,:) = pva2d(:,:) + e3v_a(:,:,jk) * va(:,:,jk) * vmask(:,:,jk) |
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[4370] | 87 | END DO |
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[6140] | 88 | pua2d(:,:) = pua2d(:,:) * r1_hu_a(:,:) |
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| 89 | pva2d(:,:) = pva2d(:,:) * r1_hv_a(:,:) |
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[4292] | 90 | |
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[3294] | 91 | DO jk = 1 , jpkm1 |
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[6140] | 92 | ua(:,:,jk) = ( ua(:,:,jk) - pua2d(:,:) ) * umask(:,:,jk) |
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| 93 | va(:,:,jk) = ( va(:,:,jk) - pva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 94 | END DO |
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| 95 | |
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[4292] | 96 | |
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[6140] | 97 | IF( ll_orlanski ) THEN ! "Before" velocities (Orlanski condition only) |
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[4292] | 98 | DO jk = 1 , jpkm1 |
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[6140] | 99 | ub(:,:,jk) = ( ub(:,:,jk) - ub_b(:,:) ) * umask(:,:,jk) |
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| 100 | vb(:,:,jk) = ( vb(:,:,jk) - vb_b(:,:) ) * vmask(:,:,jk) |
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[4292] | 101 | END DO |
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[6140] | 102 | ENDIF |
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[4292] | 103 | |
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[3294] | 104 | !------------------------------------------------------- |
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| 105 | ! Apply boundary conditions to barotropic and baroclinic |
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| 106 | ! parts separately |
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| 107 | !------------------------------------------------------- |
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| 108 | |
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[6140] | 109 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt, pua2d, pva2d, ub_b, vb_b, r1_hu_a(:,:), r1_hv_a(:,:), ssha ) |
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[3294] | 110 | |
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[6140] | 111 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt ) |
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[3294] | 112 | |
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| 113 | !------------------------------------------------------- |
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| 114 | ! Recombine velocities |
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| 115 | !------------------------------------------------------- |
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[6140] | 116 | ! |
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[3294] | 117 | DO jk = 1 , jpkm1 |
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[4292] | 118 | ua(:,:,jk) = ( ua(:,:,jk) + pua2d(:,:) ) * umask(:,:,jk) |
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| 119 | va(:,:,jk) = ( va(:,:,jk) + pva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 120 | END DO |
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[6140] | 121 | ! |
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[4292] | 122 | IF ( ll_orlanski ) THEN |
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| 123 | DO jk = 1 , jpkm1 |
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[4354] | 124 | ub(:,:,jk) = ( ub(:,:,jk) + ub_b(:,:) ) * umask(:,:,jk) |
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| 125 | vb(:,:,jk) = ( vb(:,:,jk) + vb_b(:,:) ) * vmask(:,:,jk) |
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[4292] | 126 | END DO |
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| 127 | END IF |
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[6140] | 128 | ! |
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| 129 | CALL wrk_dealloc( jpi,jpj, pua2d, pva2d ) |
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| 130 | ! |
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| 131 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn') |
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| 132 | ! |
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[3294] | 133 | END SUBROUTINE bdy_dyn |
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| 134 | |
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[1125] | 135 | !!====================================================================== |
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[911] | 136 | END MODULE bdydyn |
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