[325] | 1 | MODULE lbclnk |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE lbclnk *** |
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| 4 | !! Ocean : lateral boundary conditions |
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| 5 | !!===================================================================== |
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| 6 | #if defined key_mpp_mpi || defined key_mpp_shmem |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! 'key_mpp_mpi' OR MPI massively parallel processing library |
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| 9 | !! 'key_mpp_shmem' SHMEM massively parallel processing library |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! lbc_lnk : generic interface for mpp_lnk_3d and mpp_lnk_2d |
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| 13 | !! routines defined in lib_mpp |
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| 14 | !! lbc_lnk_e : generic interface for mpp_lnk_2d_e |
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| 15 | !! routinee defined in lib_mpp |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | !! * Modules used |
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| 18 | USE lib_mpp ! distributed memory computing library |
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| 19 | |
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| 20 | INTERFACE lbc_lnk |
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[496] | 21 | MODULE PROCEDURE mpp_lnk_3d_gather, mpp_lnk_3d, mpp_lnk_2d |
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[325] | 22 | END INTERFACE |
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| 23 | |
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| 24 | INTERFACE lbc_lnk_e |
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| 25 | MODULE PROCEDURE mpp_lnk_2d_e |
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| 26 | END INTERFACE |
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| 27 | |
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| 28 | PUBLIC lbc_lnk ! ocean lateral boundary conditions |
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| 29 | PUBLIC lbc_lnk_e |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | |
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| 32 | #else |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | !! Default option shared memory computing |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | !! lbc_lnk : generic interface for lbc_lnk_3d and lbc_lnk_2d |
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| 37 | !! lbc_lnk_3d : set the lateral boundary condition on a 3D variable |
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| 38 | !! on OPA ocean mesh |
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| 39 | !! lbc_lnk_2d : set the lateral boundary condition on a 2D variable |
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| 40 | !! on OPA ocean mesh |
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| 41 | !!---------------------------------------------------------------------- |
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| 42 | !! * Modules used |
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| 43 | USE oce ! ocean dynamics and tracers |
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| 44 | USE dom_oce ! ocean space and time domain |
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| 45 | USE in_out_manager ! I/O manager |
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| 46 | |
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| 47 | IMPLICIT NONE |
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| 48 | PRIVATE |
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| 49 | |
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| 50 | INTERFACE lbc_lnk |
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[496] | 51 | MODULE PROCEDURE lbc_lnk_3d_gather, lbc_lnk_3d, lbc_lnk_2d |
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[325] | 52 | END INTERFACE |
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| 53 | |
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| 54 | INTERFACE lbc_lnk_e |
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| 55 | MODULE PROCEDURE lbc_lnk_2d |
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| 56 | END INTERFACE |
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| 57 | |
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| 58 | PUBLIC lbc_lnk ! ocean/ice lateral boundary conditions |
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| 59 | PUBLIC lbc_lnk_e |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | |
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| 62 | CONTAINS |
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| 63 | |
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[496] | 64 | SUBROUTINE lbc_lnk_3d_gather( pt3d1, cd_type1, pt3d2, cd_type2, psgn ) |
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[325] | 65 | !!--------------------------------------------------------------------- |
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[496] | 66 | !! *** ROUTINE lbc_lnk_3d_gather *** |
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| 67 | !! |
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| 68 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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| 69 | !! |
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| 70 | !! ** Method : |
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| 71 | !! |
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| 72 | !! History : |
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| 73 | !! ! 97-06 (G. Madec) Original code |
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| 74 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 75 | !!---------------------------------------------------------------------- |
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| 76 | !! * Arguments |
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| 77 | CHARACTER(len=1), INTENT( in ) :: & |
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| 78 | cd_type1, cd_type2 ! nature of pt3d grid-points |
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| 79 | ! ! = T , U , V , F or W gridpoints |
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| 80 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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| 81 | pt3d1, pt3d2 ! 3D array on which the boundary condition is applied |
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| 82 | REAL(wp), INTENT( in ) :: & |
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| 83 | psgn ! control of the sign change |
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| 84 | ! ! =-1 , the sign is changed if north fold boundary |
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| 85 | ! ! = 1 , no sign change |
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| 86 | ! ! = 0 , no sign change and > 0 required (use the inner |
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| 87 | ! ! row/column if closed boundary) |
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| 88 | |
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| 89 | |
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| 90 | !! * Local declarations |
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| 91 | INTEGER :: ji, jk |
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| 92 | INTEGER :: ijt, iju |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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[719] | 95 | !! $Header$ |
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[496] | 96 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 97 | !!---------------------------------------------------------------------- |
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| 98 | |
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| 99 | ! ! =============== |
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| 100 | DO jk = 1, jpk ! Horizontal slab |
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| 101 | ! ! =============== |
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| 102 | |
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| 103 | ! ! East-West boundaries |
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| 104 | ! ! ==================== |
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| 105 | SELECT CASE ( nperio ) |
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| 106 | |
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| 107 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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| 108 | pt3d1( 1 ,:,jk) = pt3d1(jpim1,:,jk) ! all points |
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| 109 | pt3d1(jpi,:,jk) = pt3d1( 2 ,:,jk) |
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| 110 | pt3d2( 1 ,:,jk) = pt3d2(jpim1,:,jk) |
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| 111 | pt3d2(jpi,:,jk) = pt3d2( 2 ,:,jk) |
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| 112 | |
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| 113 | CASE DEFAULT ! * closed |
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| 114 | SELECT CASE ( cd_type1 ) |
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| 115 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 116 | pt3d1( 1 ,:,jk) = 0.e0 |
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| 117 | pt3d1(jpi,:,jk) = 0.e0 |
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| 118 | CASE ( 'F' ) ! F-point |
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| 119 | pt3d1(jpi,:,jk) = 0.e0 |
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| 120 | END SELECT |
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| 121 | SELECT CASE ( cd_type2 ) |
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| 122 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 123 | pt3d2( 1 ,:,jk) = 0.e0 |
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| 124 | pt3d2(jpi,:,jk) = 0.e0 |
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| 125 | CASE ( 'F' ) ! F-point |
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| 126 | pt3d2(jpi,:,jk) = 0.e0 |
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| 127 | END SELECT |
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| 128 | |
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| 129 | END SELECT |
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| 130 | |
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| 131 | ! ! North-South boundaries |
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| 132 | ! ! ====================== |
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| 133 | SELECT CASE ( nperio ) |
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| 134 | |
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| 135 | CASE ( 2 ) ! * south symmetric |
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| 136 | |
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| 137 | SELECT CASE ( cd_type1 ) |
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| 138 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 139 | pt3d1(:, 1 ,jk) = pt3d1(:,3,jk) |
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| 140 | pt3d1(:,jpj,jk) = 0.e0 |
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| 141 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 142 | pt3d1(:, 1 ,jk) = psgn * pt3d1(:,2,jk) |
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| 143 | pt3d1(:,jpj,jk) = 0.e0 |
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| 144 | END SELECT |
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| 145 | SELECT CASE ( cd_type2 ) |
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| 146 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 147 | pt3d2(:, 1 ,jk) = pt3d2(:,3,jk) |
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| 148 | pt3d2(:,jpj,jk) = 0.e0 |
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| 149 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 150 | pt3d2(:, 1 ,jk) = psgn * pt3d2(:,2,jk) |
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| 151 | pt3d2(:,jpj,jk) = 0.e0 |
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| 152 | END SELECT |
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| 153 | |
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| 154 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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| 155 | |
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| 156 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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| 157 | pt3d1(jpi,jpj,jk) = 0.e0 |
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| 158 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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| 159 | pt3d2(jpi,jpj,jk) = 0.e0 |
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| 160 | |
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| 161 | SELECT CASE ( cd_type1 ) |
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| 162 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 163 | DO ji = 2, jpi |
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| 164 | ijt = jpi-ji+2 |
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| 165 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 166 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 167 | END DO |
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| 168 | DO ji = jpi/2+1, jpi |
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| 169 | ijt = jpi-ji+2 |
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| 170 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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| 171 | END DO |
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| 172 | CASE ( 'U' ) ! U-point |
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| 173 | DO ji = 1, jpi-1 |
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| 174 | iju = jpi-ji+1 |
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| 175 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 176 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 177 | END DO |
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| 178 | DO ji = jpi/2, jpi-1 |
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| 179 | iju = jpi-ji+1 |
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| 180 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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| 181 | END DO |
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| 182 | CASE ( 'V' ) ! V-point |
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| 183 | DO ji = 2, jpi |
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| 184 | ijt = jpi-ji+2 |
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| 185 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 186 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 187 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(ijt,jpj-3,jk) |
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| 188 | END DO |
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| 189 | CASE ( 'F' ) ! F-point |
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| 190 | DO ji = 1, jpi-1 |
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| 191 | iju = jpi-ji+1 |
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| 192 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 193 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-3,jk) |
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| 194 | END DO |
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| 195 | END SELECT |
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| 196 | SELECT CASE ( cd_type2 ) |
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| 197 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 198 | DO ji = 2, jpi |
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| 199 | ijt = jpi-ji+2 |
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| 200 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 201 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 202 | END DO |
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| 203 | DO ji = jpi/2+1, jpi |
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| 204 | ijt = jpi-ji+2 |
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| 205 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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| 206 | END DO |
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| 207 | CASE ( 'U' ) ! U-point |
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| 208 | DO ji = 1, jpi-1 |
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| 209 | iju = jpi-ji+1 |
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| 210 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 211 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 212 | END DO |
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| 213 | DO ji = jpi/2, jpi-1 |
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| 214 | iju = jpi-ji+1 |
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| 215 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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| 216 | END DO |
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| 217 | CASE ( 'V' ) ! V-point |
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| 218 | DO ji = 2, jpi |
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| 219 | ijt = jpi-ji+2 |
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| 220 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 221 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 222 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(ijt,jpj-3,jk) |
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| 223 | END DO |
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| 224 | CASE ( 'F' ) ! F-point |
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| 225 | DO ji = 1, jpi-1 |
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| 226 | iju = jpi-ji+1 |
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| 227 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 228 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-3,jk) |
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| 229 | END DO |
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| 230 | END SELECT |
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| 231 | |
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| 232 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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| 233 | |
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| 234 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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| 235 | pt3d1(jpi,jpj,jk) = 0.e0 |
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| 236 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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| 237 | pt3d2(jpi,jpj,jk) = 0.e0 |
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| 238 | |
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| 239 | SELECT CASE ( cd_type1 ) |
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| 240 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 241 | DO ji = 1, jpi |
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| 242 | ijt = jpi-ji+1 |
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| 243 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 244 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-1,jk) |
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| 245 | END DO |
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| 246 | CASE ( 'U' ) ! U-point |
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| 247 | DO ji = 1, jpi-1 |
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| 248 | iju = jpi-ji |
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| 249 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 250 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-1,jk) |
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| 251 | END DO |
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| 252 | CASE ( 'V' ) ! V-point |
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| 253 | DO ji = 1, jpi |
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| 254 | ijt = jpi-ji+1 |
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| 255 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 256 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 257 | END DO |
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| 258 | DO ji = jpi/2+1, jpi |
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| 259 | ijt = jpi-ji+1 |
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| 260 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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| 261 | END DO |
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| 262 | CASE ( 'F' ) ! F-point |
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| 263 | DO ji = 1, jpi-1 |
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| 264 | iju = jpi-ji |
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| 265 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 266 | END DO |
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| 267 | DO ji = jpi/2+1, jpi-1 |
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| 268 | iju = jpi-ji |
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| 269 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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| 270 | END DO |
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| 271 | END SELECT |
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| 272 | SELECT CASE ( cd_type2 ) |
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| 273 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 274 | DO ji = 1, jpi |
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| 275 | ijt = jpi-ji+1 |
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| 276 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 277 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-1,jk) |
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| 278 | END DO |
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| 279 | CASE ( 'U' ) ! U-point |
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| 280 | DO ji = 1, jpi-1 |
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| 281 | iju = jpi-ji |
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| 282 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 283 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-1,jk) |
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| 284 | END DO |
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| 285 | CASE ( 'V' ) ! V-point |
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| 286 | DO ji = 1, jpi |
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| 287 | ijt = jpi-ji+1 |
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| 288 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 289 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 290 | END DO |
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| 291 | DO ji = jpi/2+1, jpi |
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| 292 | ijt = jpi-ji+1 |
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| 293 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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| 294 | END DO |
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| 295 | CASE ( 'F' ) ! F-point |
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| 296 | DO ji = 1, jpi-1 |
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| 297 | iju = jpi-ji |
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| 298 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 299 | END DO |
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| 300 | DO ji = jpi/2+1, jpi-1 |
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| 301 | iju = jpi-ji |
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| 302 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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| 303 | END DO |
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| 304 | END SELECT |
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| 305 | |
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| 306 | CASE DEFAULT ! * closed |
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| 307 | |
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| 308 | SELECT CASE ( cd_type1 ) |
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| 309 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 310 | pt3d1(:, 1 ,jk) = 0.e0 |
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| 311 | pt3d1(:,jpj,jk) = 0.e0 |
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| 312 | CASE ( 'F' ) ! F-point |
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| 313 | pt3d1(:,jpj,jk) = 0.e0 |
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| 314 | END SELECT |
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| 315 | SELECT CASE ( cd_type2 ) |
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| 316 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 317 | pt3d2(:, 1 ,jk) = 0.e0 |
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| 318 | pt3d2(:,jpj,jk) = 0.e0 |
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| 319 | CASE ( 'F' ) ! F-point |
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| 320 | pt3d2(:,jpj,jk) = 0.e0 |
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| 321 | END SELECT |
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| 322 | |
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| 323 | END SELECT |
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| 324 | ! ! =============== |
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| 325 | END DO ! End of slab |
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| 326 | ! ! =============== |
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| 327 | |
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| 328 | END SUBROUTINE lbc_lnk_3d_gather |
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| 329 | |
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| 330 | |
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| 331 | SUBROUTINE lbc_lnk_3d( pt3d, cd_type, psgn, cd_mpp ) |
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| 332 | !!--------------------------------------------------------------------- |
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[325] | 333 | !! *** ROUTINE lbc_lnk_3d *** |
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| 334 | !! |
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| 335 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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| 336 | !! |
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| 337 | !! ** Method : |
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| 338 | !! |
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| 339 | !! History : |
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| 340 | !! ! 97-06 (G. Madec) Original code |
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| 341 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 342 | !!---------------------------------------------------------------------- |
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| 343 | !! * Arguments |
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| 344 | CHARACTER(len=1), INTENT( in ) :: & |
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| 345 | cd_type ! nature of pt3d grid-points |
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| 346 | ! ! = T , U , V , F or W gridpoints |
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| 347 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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| 348 | pt3d ! 3D array on which the boundary condition is applied |
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| 349 | REAL(wp), INTENT( in ) :: & |
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| 350 | psgn ! control of the sign change |
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| 351 | ! ! =-1 , the sign is changed if north fold boundary |
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| 352 | ! ! = 1 , no sign change |
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| 353 | ! ! = 0 , no sign change and > 0 required (use the inner |
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| 354 | ! ! row/column if closed boundary) |
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[496] | 355 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
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| 356 | cd_mpp ! fill the overlap area only (here do nothing) |
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[325] | 357 | |
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| 358 | !! * Local declarations |
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| 359 | INTEGER :: ji, jk |
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| 360 | INTEGER :: ijt, iju |
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| 361 | !!---------------------------------------------------------------------- |
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| 362 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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[719] | 363 | !! $Header$ |
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[325] | 364 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 365 | !!---------------------------------------------------------------------- |
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[496] | 366 | |
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| 367 | IF (PRESENT(cd_mpp)) THEN |
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| 368 | ! only fill the overlap area and extra allows |
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| 369 | ! this is in mpp case. In this module, just do nothing |
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| 370 | ELSE |
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[325] | 371 | |
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| 372 | ! ! =============== |
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| 373 | DO jk = 1, jpk ! Horizontal slab |
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| 374 | ! ! =============== |
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| 375 | |
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| 376 | ! ! East-West boundaries |
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| 377 | ! ! ==================== |
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| 378 | SELECT CASE ( nperio ) |
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| 379 | |
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| 380 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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| 381 | pt3d( 1 ,:,jk) = pt3d(jpim1,:,jk) ! all points |
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| 382 | pt3d(jpi,:,jk) = pt3d( 2 ,:,jk) |
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| 383 | |
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| 384 | CASE DEFAULT ! * closed |
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| 385 | SELECT CASE ( cd_type ) |
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| 386 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 387 | pt3d( 1 ,:,jk) = 0.e0 |
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| 388 | pt3d(jpi,:,jk) = 0.e0 |
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| 389 | CASE ( 'F' ) ! F-point |
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| 390 | pt3d(jpi,:,jk) = 0.e0 |
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| 391 | END SELECT |
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| 392 | |
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| 393 | END SELECT |
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| 394 | |
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| 395 | ! ! North-South boundaries |
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| 396 | ! ! ====================== |
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| 397 | SELECT CASE ( nperio ) |
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| 398 | |
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| 399 | CASE ( 2 ) ! * south symmetric |
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| 400 | |
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| 401 | SELECT CASE ( cd_type ) |
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| 402 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 403 | pt3d(:, 1 ,jk) = pt3d(:,3,jk) |
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| 404 | pt3d(:,jpj,jk) = 0.e0 |
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| 405 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 406 | pt3d(:, 1 ,jk) = psgn * pt3d(:,2,jk) |
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| 407 | pt3d(:,jpj,jk) = 0.e0 |
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| 408 | END SELECT |
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| 409 | |
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| 410 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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| 411 | |
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| 412 | pt3d( 1 ,jpj,jk) = 0.e0 |
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| 413 | pt3d(jpi,jpj,jk) = 0.e0 |
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| 414 | |
---|
| 415 | SELECT CASE ( cd_type ) |
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| 416 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 417 | DO ji = 2, jpi |
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| 418 | ijt = jpi-ji+2 |
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| 419 | pt3d(ji, 1 ,jk) = 0.e0 |
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| 420 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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| 421 | END DO |
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| 422 | DO ji = jpi/2+1, jpi |
---|
| 423 | ijt = jpi-ji+2 |
---|
| 424 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
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| 425 | END DO |
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| 426 | CASE ( 'U' ) ! U-point |
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| 427 | DO ji = 1, jpi-1 |
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| 428 | iju = jpi-ji+1 |
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| 429 | pt3d(ji, 1 ,jk) = 0.e0 |
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| 430 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-2,jk) |
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| 431 | END DO |
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| 432 | DO ji = jpi/2, jpi-1 |
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| 433 | iju = jpi-ji+1 |
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| 434 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
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| 435 | END DO |
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| 436 | CASE ( 'V' ) ! V-point |
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| 437 | DO ji = 2, jpi |
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| 438 | ijt = jpi-ji+2 |
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| 439 | pt3d(ji, 1 ,jk) = 0.e0 |
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| 440 | pt3d(ji,jpj-1,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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| 441 | pt3d(ji,jpj ,jk) = psgn * pt3d(ijt,jpj-3,jk) |
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| 442 | END DO |
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| 443 | CASE ( 'F' ) ! F-point |
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| 444 | DO ji = 1, jpi-1 |
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| 445 | iju = jpi-ji+1 |
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| 446 | pt3d(ji,jpj-1,jk) = psgn * pt3d(iju,jpj-2,jk) |
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| 447 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-3,jk) |
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| 448 | END DO |
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| 449 | END SELECT |
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| 450 | |
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| 451 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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| 452 | |
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| 453 | pt3d( 1 ,jpj,jk) = 0.e0 |
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| 454 | pt3d(jpi,jpj,jk) = 0.e0 |
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| 455 | |
---|
| 456 | SELECT CASE ( cd_type ) |
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| 457 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 458 | DO ji = 1, jpi |
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| 459 | ijt = jpi-ji+1 |
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| 460 | pt3d(ji, 1 ,jk) = 0.e0 |
---|
| 461 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-1,jk) |
---|
| 462 | END DO |
---|
| 463 | CASE ( 'U' ) ! U-point |
---|
| 464 | DO ji = 1, jpi-1 |
---|
| 465 | iju = jpi-ji |
---|
| 466 | pt3d(ji, 1 ,jk) = 0.e0 |
---|
| 467 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-1,jk) |
---|
| 468 | END DO |
---|
| 469 | CASE ( 'V' ) ! V-point |
---|
| 470 | DO ji = 1, jpi |
---|
| 471 | ijt = jpi-ji+1 |
---|
| 472 | pt3d(ji, 1 ,jk) = 0.e0 |
---|
| 473 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
---|
| 474 | END DO |
---|
| 475 | DO ji = jpi/2+1, jpi |
---|
| 476 | ijt = jpi-ji+1 |
---|
| 477 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
---|
| 478 | END DO |
---|
| 479 | CASE ( 'F' ) ! F-point |
---|
| 480 | DO ji = 1, jpi-1 |
---|
| 481 | iju = jpi-ji |
---|
| 482 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-2,jk) |
---|
| 483 | END DO |
---|
| 484 | DO ji = jpi/2+1, jpi-1 |
---|
| 485 | iju = jpi-ji |
---|
| 486 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
---|
| 487 | END DO |
---|
| 488 | END SELECT |
---|
| 489 | |
---|
| 490 | CASE DEFAULT ! * closed |
---|
| 491 | |
---|
| 492 | SELECT CASE ( cd_type ) |
---|
| 493 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
| 494 | pt3d(:, 1 ,jk) = 0.e0 |
---|
| 495 | pt3d(:,jpj,jk) = 0.e0 |
---|
| 496 | CASE ( 'F' ) ! F-point |
---|
| 497 | pt3d(:,jpj,jk) = 0.e0 |
---|
| 498 | END SELECT |
---|
| 499 | |
---|
| 500 | END SELECT |
---|
| 501 | ! ! =============== |
---|
| 502 | END DO ! End of slab |
---|
| 503 | ! ! =============== |
---|
[496] | 504 | ENDIF |
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[325] | 505 | END SUBROUTINE lbc_lnk_3d |
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| 506 | |
---|
| 507 | |
---|
[496] | 508 | SUBROUTINE lbc_lnk_2d( pt2d, cd_type, psgn, cd_mpp ) |
---|
[325] | 509 | !!--------------------------------------------------------------------- |
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| 510 | !! *** ROUTINE lbc_lnk_2d *** |
---|
| 511 | !! |
---|
| 512 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
---|
| 513 | !! |
---|
| 514 | !! ** Method : |
---|
| 515 | !! |
---|
| 516 | !! History : |
---|
| 517 | !! ! 97-06 (G. Madec) Original code |
---|
| 518 | !! ! 01-05 (E. Durand) correction |
---|
| 519 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
---|
| 520 | !!---------------------------------------------------------------------- |
---|
| 521 | !! * Arguments |
---|
| 522 | CHARACTER(len=1), INTENT( in ) :: & |
---|
| 523 | cd_type ! nature of pt2d grid-point |
---|
| 524 | ! ! = T , U , V , F or W gridpoints |
---|
| 525 | ! ! = I sea-ice U-V gridpoint (= F ocean grid point with indice shift) |
---|
| 526 | REAL(wp), INTENT( in ) :: & |
---|
| 527 | psgn ! control of the sign change |
---|
| 528 | ! ! =-1 , the sign is modified following the type of b.c. used |
---|
| 529 | ! ! = 1 , no sign change |
---|
| 530 | REAL(wp), DIMENSION(jpi,jpj), INTENT( inout ) :: & |
---|
| 531 | pt2d ! 2D array on which the boundary condition is applied |
---|
[496] | 532 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
---|
| 533 | cd_mpp ! fill the overlap area only (here do nothing) |
---|
[325] | 534 | |
---|
| 535 | !! * Local declarations |
---|
| 536 | INTEGER :: ji |
---|
| 537 | INTEGER :: ijt, iju |
---|
[496] | 538 | !!---------------------------------------------------------------------- |
---|
| 539 | !! OPA 8.5, LODYC-IPSL (2002) |
---|
| 540 | !!---------------------------------------------------------------------- |
---|
| 541 | |
---|
| 542 | IF (PRESENT(cd_mpp)) THEN |
---|
| 543 | ! only fill the overlap area and extra allows |
---|
| 544 | ! this is in mpp case. In this module, just do nothing |
---|
| 545 | ELSE |
---|
| 546 | |
---|
[325] | 547 | ! ! East-West boundaries |
---|
| 548 | ! ! ==================== |
---|
| 549 | SELECT CASE ( nperio ) |
---|
| 550 | |
---|
| 551 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
---|
| 552 | pt2d( 1 ,:) = pt2d(jpim1,:) |
---|
| 553 | pt2d(jpi,:) = pt2d( 2 ,:) |
---|
| 554 | |
---|
| 555 | CASE DEFAULT ! * closed |
---|
| 556 | SELECT CASE ( cd_type ) |
---|
| 557 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
| 558 | pt2d( 1 ,:) = 0.e0 |
---|
| 559 | pt2d(jpi,:) = 0.e0 |
---|
| 560 | CASE ( 'F' ) ! F-point, ice U-V point |
---|
| 561 | pt2d(jpi,:) = 0.e0 |
---|
| 562 | CASE ( 'I' ) ! F-point, ice U-V point |
---|
| 563 | pt2d( 1 ,:) = 0.e0 |
---|
| 564 | pt2d(jpi,:) = 0.e0 |
---|
| 565 | END SELECT |
---|
| 566 | |
---|
| 567 | END SELECT |
---|
| 568 | |
---|
| 569 | ! ! North-South boundaries |
---|
| 570 | ! ! ====================== |
---|
| 571 | SELECT CASE ( nperio ) |
---|
| 572 | |
---|
| 573 | CASE ( 2 ) ! * South symmetric |
---|
| 574 | |
---|
| 575 | SELECT CASE ( cd_type ) |
---|
| 576 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
---|
| 577 | pt2d(:, 1 ) = pt2d(:,3) |
---|
| 578 | pt2d(:,jpj) = 0.e0 |
---|
| 579 | CASE ( 'V' , 'F' , 'I' ) ! V-, F-points, ice U-V point |
---|
| 580 | pt2d(:, 1 ) = psgn * pt2d(:,2) |
---|
| 581 | pt2d(:,jpj) = 0.e0 |
---|
| 582 | END SELECT |
---|
| 583 | |
---|
| 584 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
---|
| 585 | |
---|
| 586 | pt2d( 1 , 1 ) = 0.e0 !!!!! bug gm ??? !Edmee |
---|
| 587 | pt2d( 1 ,jpj) = 0.e0 |
---|
| 588 | pt2d(jpi,jpj) = 0.e0 |
---|
| 589 | |
---|
| 590 | SELECT CASE ( cd_type ) |
---|
| 591 | |
---|
| 592 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
| 593 | DO ji = 2, jpi |
---|
| 594 | ijt = jpi-ji+2 |
---|
| 595 | pt2d(ji, 1 ) = 0.e0 |
---|
| 596 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
| 597 | END DO |
---|
| 598 | DO ji = jpi/2+1, jpi |
---|
| 599 | ijt = jpi-ji+2 |
---|
| 600 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
| 601 | END DO |
---|
| 602 | |
---|
| 603 | CASE ( 'U' ) ! U-point |
---|
| 604 | DO ji = 1, jpi-1 |
---|
| 605 | iju = jpi-ji+1 |
---|
| 606 | pt2d(ji, 1 ) = 0.e0 |
---|
| 607 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-2) |
---|
| 608 | END DO |
---|
| 609 | DO ji = jpi/2, jpi-1 |
---|
| 610 | iju = jpi-ji+1 |
---|
| 611 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
| 612 | END DO |
---|
| 613 | |
---|
| 614 | CASE ( 'V' ) ! V-point |
---|
| 615 | DO ji = 2, jpi |
---|
| 616 | ijt = jpi-ji+2 |
---|
| 617 | pt2d(ji, 1 ) = 0.e0 |
---|
| 618 | pt2d(ji,jpj-1) = psgn * pt2d(ijt,jpj-2) |
---|
| 619 | pt2d(ji,jpj ) = psgn * pt2d(ijt,jpj-3) |
---|
| 620 | END DO |
---|
| 621 | |
---|
| 622 | CASE ( 'F' ) ! F-point |
---|
| 623 | DO ji = 1, jpi-1 |
---|
| 624 | iju = jpi - ji + 1 |
---|
| 625 | pt2d(ji,jpj-1) = psgn * pt2d(iju,jpj-2) |
---|
| 626 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-3) |
---|
| 627 | END DO |
---|
| 628 | |
---|
| 629 | CASE ( 'I' ) ! ice U-V point |
---|
| 630 | pt2d(:, 1 ) = 0.e0 |
---|
| 631 | pt2d(2,jpj) = psgn * pt2d(3,jpj-1) |
---|
| 632 | DO ji = 3, jpi |
---|
| 633 | iju = jpi - ji + 3 |
---|
| 634 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
| 635 | END DO |
---|
| 636 | |
---|
| 637 | END SELECT |
---|
| 638 | |
---|
| 639 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
---|
| 640 | |
---|
| 641 | pt2d( 1 , 1 ) = 0.e0 !!bug ??? |
---|
| 642 | pt2d( 1 ,jpj) = 0.e0 |
---|
| 643 | pt2d(jpi,jpj) = 0.e0 |
---|
| 644 | |
---|
| 645 | SELECT CASE ( cd_type ) |
---|
| 646 | |
---|
| 647 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
| 648 | DO ji = 1, jpi |
---|
| 649 | ijt = jpi-ji+1 |
---|
| 650 | pt2d(ji, 1 ) = 0.e0 |
---|
| 651 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-1) |
---|
| 652 | END DO |
---|
| 653 | |
---|
| 654 | CASE ( 'U' ) ! U-point |
---|
| 655 | DO ji = 1, jpi-1 |
---|
| 656 | iju = jpi-ji |
---|
| 657 | pt2d(ji, 1 ) = 0.e0 |
---|
| 658 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
| 659 | END DO |
---|
| 660 | |
---|
| 661 | CASE ( 'V' ) ! V-point |
---|
| 662 | DO ji = 1, jpi |
---|
| 663 | ijt = jpi-ji+1 |
---|
| 664 | pt2d(ji, 1 ) = 0.e0 |
---|
| 665 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
| 666 | END DO |
---|
| 667 | DO ji = jpi/2+1, jpi |
---|
| 668 | ijt = jpi-ji+1 |
---|
| 669 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
| 670 | END DO |
---|
| 671 | |
---|
| 672 | CASE ( 'F' ) ! F-point |
---|
| 673 | DO ji = 1, jpi-1 |
---|
| 674 | iju = jpi-ji |
---|
| 675 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-2) |
---|
| 676 | END DO |
---|
| 677 | DO ji = jpi/2+1, jpi-1 |
---|
| 678 | iju = jpi-ji |
---|
| 679 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
| 680 | END DO |
---|
| 681 | |
---|
| 682 | CASE ( 'I' ) ! ice U-V point |
---|
| 683 | pt2d( : , 1 ) = 0.e0 |
---|
| 684 | pt2d( 2 ,jpj) = 0.e0 |
---|
| 685 | DO ji = 2 , jpim1 |
---|
| 686 | ijt = jpi - ji + 2 |
---|
| 687 | pt2d(ji,jpj)= 0.5 * ( pt2d(ji,jpjm1) + psgn * pt2d(ijt,jpjm1) ) |
---|
| 688 | END DO |
---|
| 689 | |
---|
| 690 | END SELECT |
---|
| 691 | |
---|
| 692 | CASE DEFAULT ! * closed |
---|
| 693 | |
---|
| 694 | SELECT CASE ( cd_type ) |
---|
| 695 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
| 696 | pt2d(:, 1 ) = 0.e0 |
---|
| 697 | pt2d(:,jpj) = 0.e0 |
---|
| 698 | CASE ( 'F' ) ! F-point |
---|
| 699 | pt2d(:,jpj) = 0.e0 |
---|
| 700 | CASE ( 'I' ) ! ice U-V point |
---|
| 701 | pt2d(:, 1 ) = 0.e0 |
---|
| 702 | pt2d(:,jpj) = 0.e0 |
---|
| 703 | END SELECT |
---|
| 704 | |
---|
| 705 | END SELECT |
---|
| 706 | |
---|
[496] | 707 | ENDIF |
---|
| 708 | |
---|
[325] | 709 | END SUBROUTINE lbc_lnk_2d |
---|
| 710 | |
---|
| 711 | #endif |
---|
| 712 | |
---|
| 713 | !!====================================================================== |
---|
| 714 | END MODULE lbclnk |
---|