[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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| 14 | #if defined key_bdy |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! 'key_bdy' : Unstructured Open Boundary Condition |
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| 17 | !!---------------------------------------------------------------------- |
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[3294] | 18 | !! bdy_dyn : split velocities into barotropic and baroclinic parts |
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| 19 | !! and call bdy_dyn2d and bdy_dyn3d to apply boundary |
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| 20 | !! conditions |
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[1125] | 21 | !!---------------------------------------------------------------------- |
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[3294] | 22 | USE wrk_nemo ! Memory Allocation |
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| 23 | USE timing ! Timing |
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[911] | 24 | USE oce ! ocean dynamics and tracers |
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| 25 | USE dom_oce ! ocean space and time domain |
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[3294] | 26 | USE dynspg_oce |
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[911] | 27 | USE bdy_oce ! ocean open boundary conditions |
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[3294] | 28 | USE bdydyn2d ! open boundary conditions for barotropic solution |
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| 29 | USE bdydyn3d ! open boundary conditions for baroclinic velocities |
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[911] | 30 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[1125] | 31 | USE in_out_manager ! |
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[4292] | 32 | USE domvvl |
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[911] | 33 | |
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| 34 | IMPLICIT NONE |
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| 35 | PRIVATE |
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| 36 | |
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[3294] | 37 | PUBLIC bdy_dyn ! routine called in dynspg_flt (if lk_dynspg_flt) or |
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| 38 | ! dyn_nxt (if lk_dynspg_ts or lk_dynspg_exp) |
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[911] | 39 | |
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[3294] | 40 | # include "domzgr_substitute.h90" |
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[1125] | 41 | !!---------------------------------------------------------------------- |
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[2528] | 42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1146] | 43 | !! $Id$ |
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[2528] | 44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1125] | 45 | !!---------------------------------------------------------------------- |
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[911] | 46 | CONTAINS |
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| 47 | |
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[3294] | 48 | SUBROUTINE bdy_dyn( kt, dyn3d_only ) |
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[1125] | 49 | !!---------------------------------------------------------------------- |
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[3294] | 50 | !! *** SUBROUTINE bdy_dyn *** |
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[1125] | 51 | !! |
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[3294] | 52 | !! ** Purpose : - Wrapper routine for bdy_dyn2d and bdy_dyn3d. |
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[911] | 53 | !! |
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[1125] | 54 | !!---------------------------------------------------------------------- |
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[911] | 55 | !! |
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[3294] | 56 | INTEGER, INTENT( in ) :: kt ! Main time step counter |
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| 57 | LOGICAL, INTENT( in ), OPTIONAL :: dyn3d_only ! T => only update baroclinic velocities |
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| 58 | !! |
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[4292] | 59 | INTEGER :: jk,ii,ij,ib_bdy,ib,igrd ! Loop counter |
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| 60 | LOGICAL :: ll_dyn2d, ll_dyn3d, ll_orlanski |
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[3294] | 61 | !! |
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[4292] | 62 | REAL(wp), POINTER, DIMENSION(:,:) :: phur1, phvr1 ! inverse depth at u and v points |
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[911] | 63 | |
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[3294] | 64 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn') |
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[911] | 65 | |
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[3294] | 66 | ll_dyn2d = .true. |
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| 67 | ll_dyn3d = .true. |
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[2528] | 68 | |
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[3294] | 69 | IF( PRESENT(dyn3d_only) ) THEN |
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| 70 | IF( dyn3d_only ) ll_dyn2d = .false. |
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| 71 | ENDIF |
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[1502] | 72 | |
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[4292] | 73 | ll_orlanski = .false. |
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| 74 | DO ib_bdy = 1, nb_bdy |
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| 75 | IF ( cn_dyn2d(ib_bdy) == 'orlanski' .or. cn_dyn2d(ib_bdy) == 'orlanski_npo' & |
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| 76 | & .or. cn_dyn3d(ib_bdy) == 'orlanski' .or. cn_dyn3d(ib_bdy) == 'orlanski_npo') ll_orlanski = .true. |
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| 77 | ENDDO |
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| 78 | |
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[3294] | 79 | !------------------------------------------------------- |
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| 80 | ! Set pointers |
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| 81 | !------------------------------------------------------- |
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[911] | 82 | |
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[3294] | 83 | pssh => sshn |
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| 84 | phur => hur |
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| 85 | phvr => hvr |
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[4292] | 86 | CALL wrk_alloc(jpi,jpj,pua2d,pva2d) |
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| 87 | IF ( ll_orlanski ) CALL wrk_alloc(jpi,jpj,pub2d,pvb2d,phur1,phvr1) |
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[1125] | 88 | |
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[3294] | 89 | !------------------------------------------------------- |
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| 90 | ! Split velocities into barotropic and baroclinic parts |
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| 91 | !------------------------------------------------------- |
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[911] | 92 | |
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[4292] | 93 | ! "After" velocities: |
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| 94 | |
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| 95 | pua2d(:,:) = 0.e0 |
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| 96 | pva2d(:,:) = 0.e0 |
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| 97 | |
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[4153] | 98 | IF (lk_vvl) THEN |
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[4292] | 99 | phur1(:,:) = 0. |
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| 100 | phvr1(:,:) = 0. |
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| 101 | DO jk = 1, jpkm1 |
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| 102 | phur1(:,:) = phur1(:,:) + fse3u_a(:,:,jk) * umask(:,:,jk) |
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| 103 | phvr1(:,:) = phvr1(:,:) + fse3v_a(:,:,jk) * vmask(:,:,jk) |
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| 104 | pua2d(:,:) = pua2d(:,:) + fse3u_a(:,:,jk) * umask(:,:,jk) * ua(:,:,jk) |
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| 105 | pva2d(:,:) = pva2d(:,:) + fse3v_a(:,:,jk) * vmask(:,:,jk) * va(:,:,jk) |
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[4153] | 106 | END DO |
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[4292] | 107 | phur1(:,:) = umask(:,:,1) / ( phur1(:,:) + 1. - umask(:,:,1) ) |
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| 108 | phvr1(:,:) = vmask(:,:,1) / ( phvr1(:,:) + 1. - vmask(:,:,1) ) |
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| 109 | pua2d(:,:) = pua2d(:,:) * phur1(:,:) |
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| 110 | pva2d(:,:) = pva2d(:,:) * phvr1(:,:) |
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[4153] | 111 | ELSE |
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[4292] | 112 | DO jk = 1, jpkm1 |
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| 113 | pua2d(:,:) = pua2d(:,:) + fse3u(:,:,jk) * umask(:,:,jk) * ua(:,:,jk) |
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| 114 | pva2d(:,:) = pva2d(:,:) + fse3v(:,:,jk) * vmask(:,:,jk) * va(:,:,jk) |
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[4153] | 115 | END DO |
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[4292] | 116 | pua2d(:,:) = pua2d(:,:) * phur(:,:) |
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| 117 | pva2d(:,:) = pva2d(:,:) * phvr(:,:) |
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[4153] | 118 | ENDIF |
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[4292] | 119 | |
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[3294] | 120 | DO jk = 1 , jpkm1 |
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[4292] | 121 | ua(:,:,jk) = ua(:,:,jk) - pua2d(:,:) |
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| 122 | va(:,:,jk) = va(:,:,jk) - pva2d(:,:) |
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[3294] | 123 | END DO |
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| 124 | |
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[4292] | 125 | ! "Before" velocities (required for Orlanski condition): |
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| 126 | |
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| 127 | IF ( ll_orlanski ) THEN |
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| 128 | pub2d(:,:) = 0.e0 |
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| 129 | pvb2d(:,:) = 0.e0 |
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| 130 | |
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| 131 | IF (lk_vvl) THEN |
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| 132 | phur1(:,:) = 0. |
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| 133 | phvr1(:,:) = 0. |
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| 134 | DO jk = 1, jpkm1 !! Vertically integrated momentum trends |
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| 135 | phur1(:,:) = phur1(:,:) + fse3u_b(:,:,jk) * umask(:,:,jk) |
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| 136 | phvr1(:,:) = phvr1(:,:) + fse3v_b(:,:,jk) * vmask(:,:,jk) |
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| 137 | pub2d(:,:) = pub2d(:,:) + fse3u_b(:,:,jk) * umask(:,:,jk) * ub(:,:,jk) |
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| 138 | pvb2d(:,:) = pvb2d(:,:) + fse3v_b(:,:,jk) * vmask(:,:,jk) * vb(:,:,jk) |
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| 139 | END DO |
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| 140 | phur1(:,:) = umask(:,:,1) / ( phur1(:,:) + 1. - umask(:,:,1) ) |
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| 141 | phvr1(:,:) = vmask(:,:,1) / ( phvr1(:,:) + 1. - vmask(:,:,1) ) |
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| 142 | pub2d(:,:) = pub2d(:,:) * phur1(:,:) |
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| 143 | pvb2d(:,:) = pvb2d(:,:) * phvr1(:,:) |
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| 144 | ELSE |
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| 145 | DO jk = 1, jpkm1 !! Vertically integrated momentum trends |
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| 146 | pub2d(:,:) = pub2d(:,:) + fse3u(:,:,jk) * umask(:,:,jk) * ub(:,:,jk) |
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| 147 | pvb2d(:,:) = pvb2d(:,:) + fse3v(:,:,jk) * vmask(:,:,jk) * vb(:,:,jk) |
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| 148 | END DO |
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| 149 | pub2d(:,:) = pub2d(:,:) * phur(:,:) |
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| 150 | pvb2d(:,:) = pvb2d(:,:) * phvr(:,:) |
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| 151 | ENDIF |
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| 152 | |
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| 153 | DO jk = 1 , jpkm1 |
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| 154 | ub(:,:,jk) = ub(:,:,jk) - pub2d(:,:) |
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| 155 | vb(:,:,jk) = vb(:,:,jk) - pvb2d(:,:) |
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| 156 | END DO |
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| 157 | END IF |
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| 158 | |
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[3294] | 159 | !------------------------------------------------------- |
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| 160 | ! Apply boundary conditions to barotropic and baroclinic |
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| 161 | ! parts separately |
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| 162 | !------------------------------------------------------- |
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| 163 | |
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| 164 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt ) |
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| 165 | |
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| 166 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt ) |
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| 167 | |
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| 168 | !------------------------------------------------------- |
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| 169 | ! Recombine velocities |
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| 170 | !------------------------------------------------------- |
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| 171 | |
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| 172 | DO jk = 1 , jpkm1 |
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[4292] | 173 | ua(:,:,jk) = ( ua(:,:,jk) + pua2d(:,:) ) * umask(:,:,jk) |
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| 174 | va(:,:,jk) = ( va(:,:,jk) + pva2d(:,:) ) * vmask(:,:,jk) |
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[3294] | 175 | END DO |
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| 176 | |
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[4292] | 177 | IF ( ll_orlanski ) THEN |
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| 178 | DO jk = 1 , jpkm1 |
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| 179 | ub(:,:,jk) = ( ub(:,:,jk) + pub2d(:,:) ) * umask(:,:,jk) |
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| 180 | vb(:,:,jk) = ( vb(:,:,jk) + pvb2d(:,:) ) * vmask(:,:,jk) |
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| 181 | END DO |
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| 182 | END IF |
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[3294] | 183 | |
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[4292] | 184 | CALL wrk_dealloc(jpi,jpj,pua2d,pva2d) |
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| 185 | IF ( ll_orlanski ) CALL wrk_dealloc(jpi,jpj,pub2d,pvb2d) |
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| 186 | |
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[3294] | 187 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn') |
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| 188 | |
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| 189 | END SUBROUTINE bdy_dyn |
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| 190 | |
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[911] | 191 | #else |
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[1125] | 192 | !!---------------------------------------------------------------------- |
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| 193 | !! Dummy module NO Unstruct Open Boundary Conditions |
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| 194 | !!---------------------------------------------------------------------- |
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[911] | 195 | CONTAINS |
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[3294] | 196 | SUBROUTINE bdy_dyn( kt ) ! Empty routine |
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| 197 | WRITE(*,*) 'bdy_dyn: You should not have seen this print! error?', kt |
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| 198 | END SUBROUTINE bdy_dyn |
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[911] | 199 | #endif |
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| 200 | |
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[1125] | 201 | !!====================================================================== |
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[911] | 202 | END MODULE bdydyn |
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