| 1 | #include "cppdefs.h"
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| 2 | MODULE set_vbc_mod
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| 3 | #ifdef NONLINEAR
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| 4 | !
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| 5 | !svn $Id: set_vbc.F 8 2007-02-06 19:00:29Z arango $
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| 6 | !================================================== Hernan G. Arango ===
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| 7 | ! Copyright (c) 2002-2007 The ROMS/TOMS Group !
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| 8 | ! Licensed under a MIT/X style license !
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| 9 | ! See License_ROMS.txt !
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| 10 | !=======================================================================
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| 11 | ! !
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| 12 | ! This module sets vertical boundary conditons for momentum and !
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| 13 | ! tracers. !
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| 14 | ! !
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| 15 | !=======================================================================
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| 16 | !
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| 17 | implicit none
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| 18 |
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| 19 | PRIVATE
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| 20 | PUBLIC :: set_vbc
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| 21 |
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| 22 | CONTAINS
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| 23 |
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| 24 | # ifdef SOLVE3D
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| 25 | !
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| 26 | !***********************************************************************
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| 27 | SUBROUTINE set_vbc (ng, tile)
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| 28 | !***********************************************************************
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| 29 | !
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| 30 | USE mod_param
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| 31 | USE mod_grid
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| 32 | USE mod_forces
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| 33 | USE mod_ocean
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| 34 | USE mod_stepping
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| 35 | !
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| 36 | ! Imported variable declarations.
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| 37 | !
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| 38 | integer, intent(in) :: ng, tile
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| 39 | !
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| 40 | ! Local variable declarations.
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| 41 | !
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| 42 | # include "tile.h"
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| 43 | !
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| 44 | # ifdef PROFILE
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| 45 | CALL wclock_on (ng, iNLM, 6)
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| 46 | # endif
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| 47 | CALL set_vbc_tile (ng, Istr, Iend, Jstr, Jend, &
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| 48 | & LBi, UBi, LBj, UBj, &
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| 49 | & nrhs(ng), &
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| 50 | & GRID(ng) % Hz, &
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| 51 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 52 | & GRID(ng) % z_r, &
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| 53 | & GRID(ng) % z_w, &
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| 54 | # endif
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| 55 | # if defined ICESHELF
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| 56 | & GRID(ng) % zice, &
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| 57 | # endif
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| 58 | & OCEAN(ng) % t, &
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| 59 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 60 | & OCEAN(ng) % u, &
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| 61 | & OCEAN(ng) % v, &
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| 62 | # endif
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| 63 | # ifdef QCORRECTION
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| 64 | & FORCES(ng) % dqdt, &
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| 65 | & FORCES(ng) % sst, &
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| 66 | # endif
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| 67 | # if defined SCORRECTION || defined SRELAXATION
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| 68 | & FORCES(ng) % sss, &
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| 69 | # endif
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| 70 | # if defined ICESHELF
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| 71 | # ifdef SHORTWAVE
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| 72 | & FORCES(ng) % srflx, &
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| 73 | # endif
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| 74 | & FORCES(ng) % sustr, &
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| 75 | & FORCES(ng) % svstr, &
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| 76 | # endif
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| 77 | # ifndef BBL_MODEL
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| 78 | & FORCES(ng) % bustr, &
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| 79 | & FORCES(ng) % bvstr, &
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| 80 | # endif
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| 81 | & FORCES(ng) % stflx, &
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| 82 | & FORCES(ng) % btflx)
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| 83 | # ifdef PROFILE
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| 84 | CALL wclock_off (ng, iNLM, 6)
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| 85 | # endif
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| 86 | RETURN
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| 87 | END SUBROUTINE set_vbc
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| 88 | !
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| 89 | !***********************************************************************
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| 90 | SUBROUTINE set_vbc_tile (ng, Istr, Iend, Jstr, Jend, &
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| 91 | & LBi, UBi, LBj, UBj, &
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| 92 | & nrhs, &
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| 93 | & Hz, &
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| 94 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 95 | & z_r, z_w, &
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| 96 | # endif
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| 97 | # if defined ICESHELF
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| 98 | & zice, &
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| 99 | # endif
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| 100 | & t, &
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| 101 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 102 | & u, v, &
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| 103 | # endif
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| 104 | # ifdef QCORRECTION
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| 105 | & dqdt, sst, &
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| 106 | # endif
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| 107 | # if defined SCORRECTION || defined SRELAXATION
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| 108 | & sss, &
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| 109 | # endif
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| 110 | # if defined ICESHELF
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| 111 | # ifdef SHORTWAVE
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| 112 | & srflx, &
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| 113 | # endif
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| 114 | & sustr, svstr, &
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| 115 | # endif
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| 116 | # ifndef BBL_MODEL
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| 117 | & bustr, bvstr, &
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| 118 | # endif
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| 119 | & stflx, btflx)
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| 120 | !***********************************************************************
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| 121 | !
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| 122 | USE mod_param
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| 123 | USE mod_scalars
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| 124 | !
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| 125 | USE bc_2d_mod
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| 126 | # ifdef DISTRIBUTE
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| 127 | USE mp_exchange_mod, ONLY : mp_exchange2d
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| 128 | # endif
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| 129 | !
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| 130 | ! Imported variable declarations.
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| 131 | !
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| 132 | integer, intent(in) :: ng, Iend, Istr, Jend, Jstr
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| 133 | integer, intent(in) :: LBi, UBi, LBj, UBj
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| 134 | integer, intent(in) :: nrhs
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| 135 | !
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| 136 | # ifdef ASSUMED_SHAPE
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| 137 | real(r8), intent(in) :: Hz(LBi:,LBj:,:)
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| 138 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 139 | real(r8), intent(in) :: z_r(LBi:,LBj:,:)
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| 140 | real(r8), intent(in) :: z_w(LBi:,LBj:,0:)
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| 141 | # endif
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| 142 | # if defined ICESHELF
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| 143 | real(r8), intent(in) :: zice(LBi:,LBj:)
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| 144 | # endif
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| 145 | real(r8), intent(in) :: t(LBi:,LBj:,:,:,:)
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| 146 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 147 | real(r8), intent(in) :: u(LBi:,LBj:,:,:)
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| 148 | real(r8), intent(in) :: v(LBi:,LBj:,:,:)
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| 149 | # endif
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| 150 | # ifdef QCORRECTION
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| 151 | real(r8), intent(in) :: dqdt(LBi:,LBj:)
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| 152 | real(r8), intent(in) :: sst(LBi:,LBj:)
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| 153 | # endif
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| 154 | # if defined SCORRECTION || defined SRELAXATION
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| 155 | real(r8), intent(in) :: sss(LBi:,LBj:)
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| 156 | # endif
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| 157 | # if defined ICESHELF
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| 158 | # ifdef SHORTWAVE
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| 159 | real(r8), intent(inout) :: srflx(LBi:,LBj:)
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| 160 | # endif
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| 161 | real(r8), intent(inout) :: sustr(LBi:,LBj:)
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| 162 | real(r8), intent(inout) :: svstr(LBi:,LBj:)
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| 163 | # endif
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| 164 | # ifndef BBL_MODEL
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| 165 | real(r8), intent(inout) :: bustr(LBi:,LBj:)
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| 166 | real(r8), intent(inout) :: bvstr(LBi:,LBj:)
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| 167 | # endif
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| 168 | real(r8), intent(inout) :: stflx(LBi:,LBj:,:)
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| 169 | real(r8), intent(inout) :: btflx(LBi:,LBj:,:)
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| 170 | # else
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| 171 | real(r8), intent(in) :: Hz(LBi:UBi,LBj:UBj,N(ng))
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| 172 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 173 | real(r8), intent(in) :: z_r(LBi:UBi,LBj:UBj,N(ng))
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| 174 | real(r8), intent(in) :: z_w(LBi:UBi,LBj:UBj,0:N(ng))
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| 175 | # endif
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| 176 | # if defined ICESHELF
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| 177 | real(r8), intent(in) :: zice(LBi:UBi,LBj:UBj)
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| 178 | # endif
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| 179 | real(r8), intent(in) :: t(LBi:UBi,LBj:UBj,N(ng),3,NT(ng))
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| 180 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 181 | real(r8), intent(in) :: u(LBi:UBi,LBj:UBj,N(ng),2)
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| 182 | real(r8), intent(in) :: v(LBi:UBi,LBj:UBj,N(ng),2)
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| 183 | # endif
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| 184 | # ifdef QCORRECTION
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| 185 | real(r8), intent(in) :: dqdt(LBi:UBi,LBj:UBj)
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| 186 | real(r8), intent(in) :: sst(LBi:UBi,LBj:UBj)
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| 187 | # endif
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| 188 | # if defined SCORRECTION || defined SRELAXATION
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| 189 | real(r8), intent(in) :: sss(LBi:UBi,LBj:UBj)
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| 190 | # endif
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| 191 | # if defined ICESHELF
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| 192 | # ifdef SHORTWAVE
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| 193 | real(r8), intent(inout) :: srflx(LBi:UBi,LBj:UBj)
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| 194 | # endif
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| 195 | real(r8), intent(inout) :: sustr(LBi:UBi,LBj:UBj)
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| 196 | real(r8), intent(inout) :: svstr(LBi:UBi,LBj:UBj)
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| 197 | # endif
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| 198 | # ifndef BBL_MODEL
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| 199 | real(r8), intent(inout) :: bustr(LBi:UBi,LBj:UBj)
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| 200 | real(r8), intent(inout) :: bvstr(LBi:UBi,LBj:UBj)
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| 201 | # endif
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| 202 | real(r8), intent(inout) :: stflx(LBi:UBi,LBj:UBj,NT(ng))
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| 203 | real(r8), intent(inout) :: btflx(LBi:UBi,LBj:UBj,NT(ng))
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| 204 | # endif
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| 205 |
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| 206 | !
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| 207 | ! Local variable declarations.
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| 208 | !
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| 209 | # ifdef DISTRIBUTE
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| 210 | # ifdef EW_PERIODIC
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| 211 | logical :: EWperiodic=.TRUE.
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| 212 | # else
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| 213 | logical :: EWperiodic=.FALSE.
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| 214 | # endif
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| 215 | # ifdef NS_PERIODIC
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| 216 | logical :: NSperiodic=.TRUE.
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| 217 | # else
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| 218 | logical :: NSperiodic=.FALSE.
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| 219 | # endif
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| 220 | # endif
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| 221 | integer :: IstrR, IendR, JstrR, JendR, IstrU, JstrV
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| 222 | integer :: i, j, itrc
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| 223 |
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| 224 | # if !(defined BBL_MODEL || defined ICESHELF)
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| 225 | real(r8) :: cff1, cff2
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| 226 | # endif
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| 227 |
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| 228 | # if !(defined BBL_MODEL || defined ICESHELF) && defined UV_LOGDRAG
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| 229 | real(r8), dimension(PRIVATE_2D_SCRATCH_ARRAY) :: wrk
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| 230 | # endif
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| 231 |
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| 232 | # include "set_bounds.h"
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| 233 |
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| 234 | # ifdef QCORRECTION
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| 235 | !
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| 236 | !-----------------------------------------------------------------------
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| 237 | ! Add in flux correction to surface net heat flux (degC m/s).
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| 238 | !-----------------------------------------------------------------------
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| 239 | !
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| 240 | ! Add in net heat flux correction.
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| 241 | !
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| 242 | DO j=JstrR,JendR
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| 243 | DO i=IstrR,IendR
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| 244 | stflx(i,j,itemp)=stflx(i,j,itemp)+ &
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| 245 | & dqdt(i,j)*(t(i,j,N(ng),nrhs,itemp)-sst(i,j))
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| 246 | END DO
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| 247 | END DO
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| 248 | # endif
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| 249 | # ifdef SALINITY
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| 250 | !
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| 251 | !-----------------------------------------------------------------------
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| 252 | ! Multiply fresh water flux with surface salinity. If appropriate,
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| 253 | ! apply correction.
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| 254 | !-----------------------------------------------------------------------
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| 255 | !
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| 256 | DO j=JstrR,JendR
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| 257 | DO i=IstrR,IendR
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| 258 | # if defined SCORRECTION
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| 259 | stflx(i,j,isalt)=stflx(i,j,isalt)*t(i,j,N(ng),nrhs,isalt)- &
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| 260 | & Tnudg(isalt,ng)*Hz(i,j,N(ng))* &
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| 261 | & (t(i,j,N(ng),nrhs,isalt)-sss(i,j))
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| 262 | # elif defined SRELAXATION
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| 263 | stflx(i,j,isalt)=-Tnudg(isalt,ng)*Hz(i,j,N(ng))* &
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| 264 | & (t(i,j,N(ng),nrhs,isalt)-sss(i,j))
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| 265 | # else
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| 266 | stflx(i,j,isalt)=stflx(i,j,isalt)*t(i,j,N(ng),nrhs,isalt)
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| 267 | # endif
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| 268 | btflx(i,j,isalt)=btflx(i,j,isalt)*t(i,j,1,nrhs,isalt)
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| 269 | END DO
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| 270 | END DO
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| 271 | # endif
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| 272 | # ifdef ICESHELF
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| 273 | !
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| 274 | !-----------------------------------------------------------------------
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| 275 | ! If ice shelf cavities, zero out for now the surface tracer flux
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| 276 | ! over the ice.
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| 277 | !-----------------------------------------------------------------------
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| 278 | !
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| 279 | DO itrc=1,NT(ng)
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| 280 | DO j=JstrR,JendR
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| 281 | DO i=IstrR,IendR
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| 282 | IF (zice(i,j).ne.0.0_r8) THEN
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| 283 | stflx(i,j,itrc)=0.0_r8
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| 284 | END IF
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| 285 | END DO
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| 286 | END DO
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| 287 | END DO
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| 288 | # ifdef SHORTWAVE
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| 289 | DO j=JstrR,JendR
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| 290 | DO i=IstrR,IendR
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| 291 | IF (zice(i,j).ne.0.0_r8) THEN
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| 292 | srflx(i,j)=0.0_r8
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| 293 | END IF
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| 294 | END DO
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| 295 | END DO
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| 296 | # endif
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| 297 | !
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| 298 | !-----------------------------------------------------------------------
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| 299 | ! If ice shelf cavities, replace surface wind stress with ice shelf
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| 300 | ! cavity stress (m2/s2).
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| 301 | !-----------------------------------------------------------------------
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| 302 |
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| 303 | # if defined UV_LOGDRAG
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| 304 | !
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| 305 | ! Set logarithmic ice shelf cavity stress.
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| 306 | !
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| 307 | DO j=JstrV-1,Jend
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| 308 | DO i=IstrU-1,Iend
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| 309 | cff1=1.0_r8/LOG((z_w(i,j,N(ng))-z_r(i,j,N(ng)))/Zob(ng))
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| 310 | cff2=vonKar*vonKar*cff1*cff1
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| 311 | wrk(i,j)=MIN(Cdb_max,MAX(Cdb_min,cff2))
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| 312 | END DO
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| 313 | END DO
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| 314 | DO j=Jstr,Jend
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| 315 | DO i=IstrU,Iend
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| 316 | IF (zice(i,j)*zice(i-1,j).ne.0.0_r8) THEN
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| 317 | cff1=0.25_r8*(v(i ,j ,N(ng),nrhs)+ &
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| 318 | & v(i ,j+1,N(ng),nrhs)+ &
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| 319 | & v(i-1,j ,N(ng),nrhs)+ &
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| 320 | & v(i-1,j+1,N(ng),nrhs))
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| 321 | cff2=SQRT(u(i,j,N(ng),nrhs)*u(i,j,N(ng),nrhs)+cff1*cff1)
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| 322 | sustr(i,j)=-0.5_r8*(wrk(i-1,j)+wrk(i,j))* &
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| 323 | & u(i,j,N(ng),nrhs)*cff2
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| 324 | END IF
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| 325 | END DO
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| 326 | END DO
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| 327 | DO j=JstrV,Jend
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| 328 | DO i=Istr,Iend
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| 329 | IF (zice(i,j)*zice(i,j-1).ne.0.0_r8) THEN
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| 330 | cff1=0.25_r8*(u(i ,j ,N(ng),nrhs)+ &
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| 331 | & u(i+1,j ,N(ng),nrhs)+ &
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| 332 | & u(i ,j-1,N(ng),nrhs)+ &
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| 333 | & u(i+1,j-1,N(ng),nrhs))
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| 334 | cff2=SQRT(cff1*cff1+v(i,j,N(ng),nrhs)*v(i,j,N(ng),nrhs))
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| 335 | svstr(i,j)=-0.5_r8*(wrk(i,j-1)+wrk(i,j))* &
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| 336 | & v(i,j,N(ng),nrhs)*cff2
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| 337 | END IF
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| 338 | END DO
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| 339 | END DO
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| 340 | # elif defined UV_QDRAG
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| 341 | !
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| 342 | ! Set quadratic ice shelf cavity stress.
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| 343 | !
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| 344 | DO j=Jstr,Jend
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| 345 | DO i=IstrU,Iend
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| 346 | IF (zice(i,j)*zice(i-1,j).ne.0.0_r8) THEN
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| 347 | cff1=0.25_r8*(v(i ,j ,N(ng),nrhs)+ &
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| 348 | & v(i ,j+1,N(ng),nrhs)+ &
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| 349 | & v(i-1,j ,N(ng),nrhs)+ &
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| 350 | & v(i-1,j+1,N(ng),nrhs))
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| 351 | cff2=SQRT(u(i,j,N(ng),nrhs)*u(i,j,N(ng),nrhs)+cff2*cff2)
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| 352 | sustr(i,j)=-rdrg2(ng)*u(i,j,N(ng),nrhs)*cff2
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| 353 | END IF
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| 354 | END DO
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| 355 | END DO
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| 356 | DO j=JstrV,Jend
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| 357 | DO i=Istr,Iend
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| 358 | IF (zice(i,j)*zice(i,j-1).ne.0.0_r8) THEN
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| 359 | cff1=0.25_r8*(u(i ,j ,N(ng),nrhs)+ &
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| 360 | & u(i+1,j ,N(ng),nrhs)+ &
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| 361 | & u(i ,j-1,N(ng),nrhs)+ &
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| 362 | & u(i+1,j-1,N(ng),nrhs))
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| 363 | cff2=SQRT(cff1*cff1+v(i,j,N(ng),nrhs)*v(i,j,N(ng),nrhs))
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| 364 | svstr(i,j)=-rdrg2(ng)*v(i,j,N(ng),nrhs)*cff2
|
|---|
| 365 | END IF
|
|---|
| 366 | END DO
|
|---|
| 367 | END DO
|
|---|
| 368 | # elif defined UV_LDRAG
|
|---|
| 369 | !
|
|---|
| 370 | ! Set linear ice shelf cavity stress.
|
|---|
| 371 | !
|
|---|
| 372 | DO j=Jstr,Jend
|
|---|
| 373 | DO i=IstrU,Iend
|
|---|
| 374 | IF (zice(i,j)*zice(i-1,j).ne.0.0_r8) THEN
|
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| 375 | sustr(i,j)=-rdrg(ng)*u(i,j,N(ng),nrhs)
|
|---|
| 376 | END IF
|
|---|
| 377 | END DO
|
|---|
| 378 | END DO
|
|---|
| 379 | DO j=JstrV,Jend
|
|---|
| 380 | DO i=Istr,Iend
|
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| 381 | IF (zice(i,j)*zice(i,j-1).ne.0.0_r8) THEN
|
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| 382 | svstr(i,j)=-rdrg(ng)*v(i,j,N(ng),nrhs)
|
|---|
| 383 | END IF
|
|---|
| 384 | END DO
|
|---|
| 385 | END DO
|
|---|
| 386 | # else
|
|---|
| 387 | DO j=Jstr,Jend
|
|---|
| 388 | DO i=IstrU,Iend
|
|---|
| 389 | IF (zice(i,j)*zice(i-1,j).ne.0.0_r8) THEN
|
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| 390 | sustr(i,j)=0.0_r8
|
|---|
| 391 | END IF
|
|---|
| 392 | END DO
|
|---|
| 393 | END DO
|
|---|
| 394 | DO j=JstrV,Jend
|
|---|
| 395 | DO i=Istr,Iend
|
|---|
| 396 | IF (zice(i,j)*zice(i,j-1).ne.0.0_r8) THEN
|
|---|
| 397 | svstr(i,j)=0.0_r8
|
|---|
| 398 | END IF
|
|---|
| 399 | END DO
|
|---|
| 400 | END DO
|
|---|
| 401 | # endif
|
|---|
| 402 | !
|
|---|
| 403 | ! Apply periodic or gradient boundary conditions for output
|
|---|
| 404 | ! purposes only.
|
|---|
| 405 | !
|
|---|
| 406 | CALL bc_u2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 407 | & LBi, UBi, LBj, UBj, &
|
|---|
| 408 | & sustr)
|
|---|
| 409 | CALL bc_v2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 410 | & LBi, UBi, LBj, UBj, &
|
|---|
| 411 | & svstr)
|
|---|
| 412 | # ifdef DISTRIBUTE
|
|---|
| 413 | CALL mp_exchange2d (ng, iNLM, 2, Istr, Iend, Jstr, Jend, &
|
|---|
| 414 | & LBi, UBi, LBj, UBj, &
|
|---|
| 415 | & NghostPoints, EWperiodic, NSperiodic, &
|
|---|
| 416 | & sustr, svstr)
|
|---|
| 417 | # endif
|
|---|
| 418 | # endif
|
|---|
| 419 | # ifndef BBL_MODEL
|
|---|
| 420 | !
|
|---|
| 421 | !-----------------------------------------------------------------------
|
|---|
| 422 | ! Set kinematic bottom momentum flux (m2/s2).
|
|---|
| 423 | !-----------------------------------------------------------------------
|
|---|
| 424 |
|
|---|
| 425 | # if defined UV_LOGDRAG
|
|---|
| 426 | !
|
|---|
| 427 | ! Set logarithmic bottom stress.
|
|---|
| 428 | !
|
|---|
| 429 | DO j=JstrV-1,Jend
|
|---|
| 430 | DO i=IstrU-1,Iend
|
|---|
| 431 | cff1=1.0_r8/LOG((z_r(i,j,1)-z_w(i,j,0))/Zob(ng))
|
|---|
| 432 | cff2=vonKar*vonKar*cff1*cff1
|
|---|
| 433 | wrk(i,j)=MIN(Cdb_max,MAX(Cdb_min,cff2))
|
|---|
| 434 | END DO
|
|---|
| 435 | END DO
|
|---|
| 436 | DO j=Jstr,Jend
|
|---|
| 437 | DO i=IstrU,Iend
|
|---|
| 438 | cff1=0.25_r8*(v(i ,j ,1,nrhs)+ &
|
|---|
| 439 | & v(i ,j+1,1,nrhs)+ &
|
|---|
| 440 | & v(i-1,j ,1,nrhs)+ &
|
|---|
| 441 | & v(i-1,j+1,1,nrhs))
|
|---|
| 442 | cff2=SQRT(u(i,j,1,nrhs)*u(i,j,1,nrhs)+cff1*cff1)
|
|---|
| 443 | bustr(i,j)=0.5_r8*(wrk(i-1,j)+wrk(i,j))* &
|
|---|
| 444 | & u(i,j,1,nrhs)*cff2
|
|---|
| 445 | END DO
|
|---|
| 446 | END DO
|
|---|
| 447 | DO j=JstrV,Jend
|
|---|
| 448 | DO i=Istr,Iend
|
|---|
| 449 | cff1=0.25_r8*(u(i ,j ,1,nrhs)+ &
|
|---|
| 450 | & u(i+1,j ,1,nrhs)+ &
|
|---|
| 451 | & u(i ,j-1,1,nrhs)+ &
|
|---|
| 452 | & u(i+1,j-1,1,nrhs))
|
|---|
| 453 | cff2=SQRT(cff1*cff1+v(i,j,1,nrhs)*v(i,j,1,nrhs))
|
|---|
| 454 | bvstr(i,j)=0.5_r8*(wrk(i,j-1)+wrk(i,j))* &
|
|---|
| 455 | & v(i,j,1,nrhs)*cff2
|
|---|
| 456 | END DO
|
|---|
| 457 | END DO
|
|---|
| 458 | # elif defined UV_QDRAG
|
|---|
| 459 | !
|
|---|
| 460 | ! Set quadratic bottom stress.
|
|---|
| 461 | !
|
|---|
| 462 | DO j=Jstr,Jend
|
|---|
| 463 | DO i=IstrU,Iend
|
|---|
| 464 | cff1=0.25_r8*(v(i ,j ,1,nrhs)+ &
|
|---|
| 465 | & v(i ,j+1,1,nrhs)+ &
|
|---|
| 466 | & v(i-1,j ,1,nrhs)+ &
|
|---|
| 467 | & v(i-1,j+1,1,nrhs))
|
|---|
| 468 | cff2=SQRT(u(i,j,1,nrhs)*u(i,j,1,nrhs)+cff1*cff1)
|
|---|
| 469 | bustr(i,j)=rdrg2(ng)*u(i,j,1,nrhs)*cff2
|
|---|
| 470 | END DO
|
|---|
| 471 | END DO
|
|---|
| 472 | DO j=JstrV,Jend
|
|---|
| 473 | DO i=Istr,Iend
|
|---|
| 474 | cff1=0.25_r8*(u(i ,j ,1,nrhs)+ &
|
|---|
| 475 | & u(i+1,j ,1,nrhs)+ &
|
|---|
| 476 | & u(i ,j-1,1,nrhs)+ &
|
|---|
| 477 | & u(i+1,j-1,1,nrhs))
|
|---|
| 478 | cff2=SQRT(cff1*cff1+v(i,j,1,nrhs)*v(i,j,1,nrhs))
|
|---|
| 479 | bvstr(i,j)=rdrg2(ng)*v(i,j,1,nrhs)*cff2
|
|---|
| 480 | END DO
|
|---|
| 481 | END DO
|
|---|
| 482 | # elif defined UV_LDRAG
|
|---|
| 483 | !
|
|---|
| 484 | ! Set linear bottom stress.
|
|---|
| 485 | !
|
|---|
| 486 | DO j=Jstr,Jend
|
|---|
| 487 | DO i=IstrU,Iend
|
|---|
| 488 | bustr(i,j)=rdrg(ng)*u(i,j,1,nrhs)
|
|---|
| 489 | END DO
|
|---|
| 490 | END DO
|
|---|
| 491 | DO j=JstrV,Jend
|
|---|
| 492 | DO i=Istr,Iend
|
|---|
| 493 | bvstr(i,j)=rdrg(ng)*v(i,j,1,nrhs)
|
|---|
| 494 | END DO
|
|---|
| 495 | END DO
|
|---|
| 496 | # endif
|
|---|
| 497 | !
|
|---|
| 498 | ! Apply boundary conditions.
|
|---|
| 499 | !
|
|---|
| 500 | CALL bc_u2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 501 | & LBi, UBi, LBj, UBj, &
|
|---|
| 502 | & bustr)
|
|---|
| 503 | CALL bc_v2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 504 | & LBi, UBi, LBj, UBj, &
|
|---|
| 505 | & bvstr)
|
|---|
| 506 | # ifdef DISTRIBUTE
|
|---|
| 507 | CALL mp_exchange2d (ng, iNLM, 2, Istr, Iend, Jstr, Jend, &
|
|---|
| 508 | & LBi, UBi, LBj, UBj, &
|
|---|
| 509 | & NghostPoints, EWperiodic, NSperiodic, &
|
|---|
| 510 | & bustr, bvstr)
|
|---|
| 511 | # endif
|
|---|
| 512 | # endif
|
|---|
| 513 | RETURN
|
|---|
| 514 | END SUBROUTINE set_vbc_tile
|
|---|
| 515 |
|
|---|
| 516 | # else
|
|---|
| 517 |
|
|---|
| 518 | !
|
|---|
| 519 | !***********************************************************************
|
|---|
| 520 | SUBROUTINE set_vbc (ng, tile)
|
|---|
| 521 | !***********************************************************************
|
|---|
| 522 | !
|
|---|
| 523 | USE mod_param
|
|---|
| 524 | USE mod_grid
|
|---|
| 525 | USE mod_forces
|
|---|
| 526 | USE mod_ocean
|
|---|
| 527 | USE mod_stepping
|
|---|
| 528 | !
|
|---|
| 529 | ! Imported variable declarations.
|
|---|
| 530 | !
|
|---|
| 531 | integer, intent(in) :: ng, tile
|
|---|
| 532 | !
|
|---|
| 533 | ! Local variable declarations.
|
|---|
| 534 | !
|
|---|
| 535 | # include "tile.h"
|
|---|
| 536 | !
|
|---|
| 537 | # ifdef PROFILE
|
|---|
| 538 | CALL wclock_on (ng, iNLM, 6)
|
|---|
| 539 | # endif
|
|---|
| 540 | CALL set_vbc_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 541 | & LBi, UBi, LBj, UBj, &
|
|---|
| 542 | & krhs(ng), kstp(ng), knew(ng), &
|
|---|
| 543 | & GRID(ng) % om_u, &
|
|---|
| 544 | & GRID(ng) % om_v, &
|
|---|
| 545 | & GRID(ng) % on_u, &
|
|---|
| 546 | & GRID(ng) % on_v, &
|
|---|
| 547 | & OCEAN(ng) % ubar, &
|
|---|
| 548 | & OCEAN(ng) % vbar, &
|
|---|
| 549 | & FORCES(ng) % bustr, &
|
|---|
| 550 | & FORCES(ng) % bvstr)
|
|---|
| 551 | # ifdef PROFILE
|
|---|
| 552 | CALL wclock_off (ng, iNLM, 6)
|
|---|
| 553 | # endif
|
|---|
| 554 | RETURN
|
|---|
| 555 | END SUBROUTINE set_vbc
|
|---|
| 556 | !
|
|---|
| 557 | !***********************************************************************
|
|---|
| 558 | SUBROUTINE set_vbc_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 559 | & LBi, UBi, LBj, UBj, &
|
|---|
| 560 | & krhs, kstp, knew, &
|
|---|
| 561 | & om_u, om_v, on_u, on_v, &
|
|---|
| 562 | & ubar, vbar, bustr, bvstr)
|
|---|
| 563 | !***********************************************************************
|
|---|
| 564 | !
|
|---|
| 565 | USE mod_param
|
|---|
| 566 | USE mod_scalars
|
|---|
| 567 | !
|
|---|
| 568 | USE bc_2d_mod
|
|---|
| 569 | # ifdef DISTRIBUTE
|
|---|
| 570 | USE mp_exchange_mod, ONLY : mp_exchange2d
|
|---|
| 571 | # endif
|
|---|
| 572 | !
|
|---|
| 573 | ! Imported variable declarations.
|
|---|
| 574 | !
|
|---|
| 575 | integer, intent(in) :: ng, Iend, Istr, Jend, Jstr
|
|---|
| 576 | integer, intent(in) :: LBi, UBi, LBj, UBj
|
|---|
| 577 | integer, intent(in) :: krhs, kstp, knew
|
|---|
| 578 | !
|
|---|
| 579 | # ifdef ASSUMED_SHAPE
|
|---|
| 580 | real(r8), intent(in) :: om_u(LBi:,LBj:)
|
|---|
| 581 | real(r8), intent(in) :: om_v(LBi:,LBj:)
|
|---|
| 582 | real(r8), intent(in) :: on_u(LBi:,LBj:)
|
|---|
| 583 | real(r8), intent(in) :: on_v(LBi:,LBj:)
|
|---|
| 584 | real(r8), intent(in) :: ubar(LBi:,LBj:,:)
|
|---|
| 585 | real(r8), intent(in) :: vbar(LBi:,LBj:,:)
|
|---|
| 586 | real(r8), intent(inout) :: bustr(LBi:,LBj:)
|
|---|
| 587 | real(r8), intent(inout) :: bvstr(LBi:,LBj:)
|
|---|
| 588 | # else
|
|---|
| 589 | real(r8), intent(in) :: om_u(LBi:UBi,LBj:UBj)
|
|---|
| 590 | real(r8), intent(in) :: om_v(LBi:UBi,LBj:UBj)
|
|---|
| 591 | real(r8), intent(in) :: on_u(LBi:UBi,LBj:UBj)
|
|---|
| 592 | real(r8), intent(in) :: on_v(LBi:UBi,LBj:UBj)
|
|---|
| 593 | real(r8), intent(in) :: ubar(LBi:UBi,LBj:UBj,3)
|
|---|
| 594 | real(r8), intent(in) :: vbar(LBi:UBi,LBj:UBj,3)
|
|---|
| 595 | real(r8), intent(inout) :: bustr(LBi:UBi,LBj:UBj)
|
|---|
| 596 | real(r8), intent(inout) :: bvstr(LBi:UBi,LBj:UBj)
|
|---|
| 597 | # endif
|
|---|
| 598 | !
|
|---|
| 599 | ! Local variable declarations.
|
|---|
| 600 | !
|
|---|
| 601 | # ifdef DISTRIBUTE
|
|---|
| 602 | # ifdef EW_PERIODIC
|
|---|
| 603 | logical :: EWperiodic=.TRUE.
|
|---|
| 604 | # else
|
|---|
| 605 | logical :: EWperiodic=.FALSE.
|
|---|
| 606 | # endif
|
|---|
| 607 | # ifdef NS_PERIODIC
|
|---|
| 608 | logical :: NSperiodic=.TRUE.
|
|---|
| 609 | # else
|
|---|
| 610 | logical :: NSperiodic=.FALSE.
|
|---|
| 611 | # endif
|
|---|
| 612 | # endif
|
|---|
| 613 | integer :: IstrR, IendR, JstrR, JendR, IstrU, JstrV
|
|---|
| 614 | integer :: i, j
|
|---|
| 615 |
|
|---|
| 616 | real(r8) :: cff1, cff2
|
|---|
| 617 |
|
|---|
| 618 | # include "set_bounds.h"
|
|---|
| 619 | !
|
|---|
| 620 | !-----------------------------------------------------------------------
|
|---|
| 621 | ! Set kinematic barotropic bottom momentum stress (m2/s2).
|
|---|
| 622 | !-----------------------------------------------------------------------
|
|---|
| 623 |
|
|---|
| 624 | # if defined UV_LDRAG
|
|---|
| 625 | !
|
|---|
| 626 | ! Set linear bottom stress.
|
|---|
| 627 | !
|
|---|
| 628 | DO j=Jstr,Jend
|
|---|
| 629 | DO i=IstrU,Iend
|
|---|
| 630 | bustr(i,j)=rdrg(ng)*ubar(i,j,krhs)
|
|---|
| 631 | END DO
|
|---|
| 632 | END DO
|
|---|
| 633 | DO j=JstrV,Jend
|
|---|
| 634 | DO i=Istr,Iend
|
|---|
| 635 | bvstr(i,j)=rdrg(ng)*vbar(i,j,krhs)
|
|---|
| 636 | END DO
|
|---|
| 637 | END DO
|
|---|
| 638 | # elif defined UV_QDRAG
|
|---|
| 639 | !
|
|---|
| 640 | ! Set quadratic bottom stress.
|
|---|
| 641 | !
|
|---|
| 642 | DO j=Jstr,Jend
|
|---|
| 643 | DO i=IstrU,Iend
|
|---|
| 644 | cff1=0.25_r8*(vbar(i ,j ,krhs)+ &
|
|---|
| 645 | & vbar(i ,j+1,krhs)+ &
|
|---|
| 646 | & vbar(i-1,j ,krhs)+ &
|
|---|
| 647 | & vbar(i-1,j+1,krhs))
|
|---|
| 648 | cff2=SQRT(ubar(i,j,krhs)*ubar(i,j,krhs)+cff1*cff1)
|
|---|
| 649 | bustr(i,j)=rdrg2(ng)*ubar(i,j,krhs)*cff2
|
|---|
| 650 | END DO
|
|---|
| 651 | END DO
|
|---|
| 652 | DO j=JstrV,Jend
|
|---|
| 653 | DO i=Istr,Iend
|
|---|
| 654 | cff1=0.25_r8*(ubar(i ,j ,krhs)+ &
|
|---|
| 655 | & ubar(i+1,j ,krhs)+ &
|
|---|
| 656 | & ubar(i ,j-1,krhs)+ &
|
|---|
| 657 | & ubar(i+1,j-1,krhs))
|
|---|
| 658 | cff2=SQRT(cff1*cff1+vbar(i,j,krhs)*vbar(i,j,krhs))
|
|---|
| 659 | bvstr(i,j)=rdrg2(ng)*vbar(i,j,krhs)*cff2
|
|---|
| 660 | END DO
|
|---|
| 661 | END DO
|
|---|
| 662 | # endif
|
|---|
| 663 | !
|
|---|
| 664 | ! Apply boundary conditions.
|
|---|
| 665 | !
|
|---|
| 666 | CALL bc_u2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 667 | & LBi, UBi, LBj, UBj, &
|
|---|
| 668 | & bustr)
|
|---|
| 669 | CALL bc_v2d_tile (ng, Istr, Iend, Jstr, Jend, &
|
|---|
| 670 | & LBi, UBi, LBj, UBj, &
|
|---|
| 671 | & bvstr)
|
|---|
| 672 | # ifdef DISTRIBUTE
|
|---|
| 673 | CALL mp_exchange2d (ng, iNLM, 2, Istr, Iend, Jstr, Jend, &
|
|---|
| 674 | & LBi, UBi, LBj, UBj, &
|
|---|
| 675 | & NghostPoints, EWperiodic, NSperiodic, &
|
|---|
| 676 | & bustr, bvstr)
|
|---|
| 677 | # endif
|
|---|
| 678 | RETURN
|
|---|
| 679 | END SUBROUTINE set_vbc_tile
|
|---|
| 680 | # endif
|
|---|
| 681 | #endif
|
|---|
| 682 | END MODULE set_vbc_mod
|
|---|
