1 | MODULE bdydyn |
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2 | !!====================================================================== |
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3 | !! *** MODULE bdydyn *** |
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4 | !! Unstructured Open Boundary Cond. : Flow relaxation scheme on velocities |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2005-02 (J. Chanut, A. Sellar) Original code |
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7 | !! - ! 2007-07 (D. Storkey) Move Flather implementation to separate routine. |
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8 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
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9 | !! 3.2 ! 2008-04 (R. Benshila) consider velocity instead of transport |
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10 | !! 3.3 ! 2010-09 (E.O'Dea) modifications for Shelf configurations |
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11 | !! 3.3 ! 2010-09 (D.Storkey) add ice boundary conditions |
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12 | !!---------------------------------------------------------------------- |
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13 | #if defined key_bdy |
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14 | !!---------------------------------------------------------------------- |
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15 | !! 'key_bdy' : Unstructured Open Boundary Condition |
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16 | !!---------------------------------------------------------------------- |
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17 | !! bdy_dyn3d : apply open boundary conditions to baroclinic velocities |
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18 | !! bdy_dyn3d_frs : apply Flow Relaxation Scheme |
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19 | !!---------------------------------------------------------------------- |
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20 | USE oce ! ocean dynamics and tracers |
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21 | USE dom_oce ! ocean space and time domain |
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22 | USE dynspg_oce |
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23 | USE bdy_oce ! ocean open boundary conditions |
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24 | USE bdydyn2d ! open boundary conditions for barotropic solution |
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25 | USE bdydyn3d ! open boundary conditions for baroclinic velocities |
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26 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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27 | USE in_out_manager ! |
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28 | |
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29 | IMPLICIT NONE |
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30 | PRIVATE |
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31 | |
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32 | PUBLIC bdy_dyn ! routine called in dynspg_flt (if lk_dynspg_flt) or |
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33 | ! dyn_nxt (if lk_dynspg_ts or lk_dynspg_exp) |
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34 | |
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35 | # include "domzgr_substitute.h90" |
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36 | !!---------------------------------------------------------------------- |
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37 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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38 | !! $Id: bdydyn.F90 2528 2010-12-27 17:33:53Z rblod $ |
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39 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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40 | !!---------------------------------------------------------------------- |
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41 | CONTAINS |
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42 | |
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43 | SUBROUTINE bdy_dyn( kt, dyn3d_only ) |
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44 | !!---------------------------------------------------------------------- |
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45 | !! *** SUBROUTINE bdy_dyn *** |
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46 | !! |
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47 | !! ** Purpose : - Wrapper routine for bdy_dyn2d and bdy_dyn3d. |
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48 | !! |
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49 | !!---------------------------------------------------------------------- |
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50 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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51 | USE wrk_nemo, ONLY: wrk_2d_7, wrk_2d_8 ! 2D workspace |
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52 | !! |
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53 | INTEGER, INTENT( in ) :: kt ! Main time step counter |
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54 | LOGICAL, INTENT( in ), OPTIONAL :: dyn3d_only ! T => only update baroclinic velocities |
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55 | !! |
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56 | INTEGER :: jk,ii,ij,ib,igrd ! Loop counter |
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57 | LOGICAL :: ll_dyn2d, ll_dyn3d |
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58 | !! |
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59 | |
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60 | IF(wrk_in_use(2, 7,8) ) THEN |
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61 | CALL ctl_stop('bdy_dyn: ERROR: requested workspace arrays are unavailable.') ; RETURN |
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62 | END IF |
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63 | |
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64 | ll_dyn2d = .true. |
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65 | ll_dyn3d = .true. |
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66 | |
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67 | IF( PRESENT(dyn3d_only) ) THEN |
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68 | IF( dyn3d_only ) ll_dyn2d = .false. |
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69 | ENDIF |
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70 | |
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71 | !------------------------------------------------------- |
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72 | ! Set pointers |
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73 | !------------------------------------------------------- |
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74 | |
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75 | pssh => sshn |
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76 | phur => hur |
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77 | phvr => hvr |
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78 | pu2d => wrk_2d_7 |
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79 | pv2d => wrk_2d_8 |
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80 | |
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81 | !------------------------------------------------------- |
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82 | ! Split velocities into barotropic and baroclinic parts |
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83 | !------------------------------------------------------- |
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84 | |
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85 | pu2d(:,:) = 0.e0 |
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86 | pv2d(:,:) = 0.e0 |
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87 | DO jk = 1, jpkm1 !! Vertically integrated momentum trends |
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88 | pu2d(:,:) = pu2d(:,:) + fse3u(:,:,jk) * umask(:,:,jk) * ua(:,:,jk) |
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89 | pv2d(:,:) = pv2d(:,:) + fse3v(:,:,jk) * vmask(:,:,jk) * va(:,:,jk) |
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90 | END DO |
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91 | pu2d(:,:) = pu2d(:,:) * phur(:,:) |
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92 | pv2d(:,:) = pv2d(:,:) * phvr(:,:) |
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93 | DO jk = 1 , jpkm1 |
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94 | ua(:,:,jk) = ua(:,:,jk) - pu2d(:,:) |
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95 | va(:,:,jk) = va(:,:,jk) - pv2d(:,:) |
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96 | END DO |
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97 | |
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98 | !------------------------------------------------------- |
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99 | ! Apply boundary conditions to barotropic and baroclinic |
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100 | ! parts separately |
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101 | !------------------------------------------------------- |
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102 | |
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103 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt ) |
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104 | |
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105 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt ) |
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106 | |
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107 | !------------------------------------------------------- |
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108 | ! Recombine velocities |
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109 | !------------------------------------------------------- |
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110 | |
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111 | DO jk = 1 , jpkm1 |
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112 | ua(:,:,jk) = ( ua(:,:,jk) + pu2d(:,:) ) * umask(:,:,jk) |
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113 | va(:,:,jk) = ( va(:,:,jk) + pv2d(:,:) ) * vmask(:,:,jk) |
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114 | END DO |
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115 | |
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116 | IF(wrk_not_released(2, 7,8) ) CALL ctl_stop('bdy_dyn: ERROR: failed to release workspace arrays.') |
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117 | |
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118 | END SUBROUTINE bdy_dyn |
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119 | |
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120 | #else |
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121 | !!---------------------------------------------------------------------- |
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122 | !! Dummy module NO Unstruct Open Boundary Conditions |
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123 | !!---------------------------------------------------------------------- |
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124 | CONTAINS |
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125 | SUBROUTINE bdy_dyn( kt ) ! Empty routine |
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126 | WRITE(*,*) 'bdy_dyn: You should not have seen this print! error?', kt |
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127 | END SUBROUTINE bdy_dyn |
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128 | #endif |
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129 | |
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130 | !!====================================================================== |
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131 | END MODULE bdydyn |
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