1 | MODULE bdydyn |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE bdydyn *** |
---|
4 | !! Unstructured Open Boundary Cond. : Apply boundary conditions to velocities |
---|
5 | !!====================================================================== |
---|
6 | !! History : 1.0 ! 2005-02 (J. Chanut, A. Sellar) Original code |
---|
7 | !! - ! 2007-07 (D. Storkey) Move Flather implementation to separate routine. |
---|
8 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
---|
9 | !! 3.2 ! 2008-04 (R. Benshila) consider velocity instead of transport |
---|
10 | !! 3.3 ! 2010-09 (E.O'Dea) modifications for Shelf configurations |
---|
11 | !! 3.3 ! 2010-09 (D.Storkey) add ice boundary conditions |
---|
12 | !! 3.4 ! 2011 (D. Storkey) rewrite in preparation for OBC-BDY merge |
---|
13 | !!---------------------------------------------------------------------- |
---|
14 | #if defined key_bdy |
---|
15 | !!---------------------------------------------------------------------- |
---|
16 | !! 'key_bdy' : Unstructured Open Boundary Condition |
---|
17 | !!---------------------------------------------------------------------- |
---|
18 | !! bdy_dyn : split velocities into barotropic and baroclinic parts |
---|
19 | !! and call bdy_dyn2d and bdy_dyn3d to apply boundary |
---|
20 | !! conditions |
---|
21 | !!---------------------------------------------------------------------- |
---|
22 | USE wrk_nemo ! Memory Allocation |
---|
23 | USE timing ! Timing |
---|
24 | USE oce ! ocean dynamics and tracers |
---|
25 | USE dom_oce ! ocean space and time domain |
---|
26 | USE dynspg_oce |
---|
27 | USE bdy_oce ! ocean open boundary conditions |
---|
28 | USE bdydyn2d ! open boundary conditions for barotropic solution |
---|
29 | USE bdydyn3d ! open boundary conditions for baroclinic velocities |
---|
30 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
31 | USE in_out_manager ! |
---|
32 | USE domvvl ! variable volume |
---|
33 | |
---|
34 | IMPLICIT NONE |
---|
35 | PRIVATE |
---|
36 | |
---|
37 | PUBLIC bdy_dyn ! routine called in dynspg_flt (if lk_dynspg_flt) or |
---|
38 | ! dyn_nxt (if lk_dynspg_ts or lk_dynspg_exp) |
---|
39 | |
---|
40 | # include "domzgr_substitute.h90" |
---|
41 | !!---------------------------------------------------------------------- |
---|
42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
43 | !! $Id$ |
---|
44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
45 | !!---------------------------------------------------------------------- |
---|
46 | CONTAINS |
---|
47 | |
---|
48 | SUBROUTINE bdy_dyn( kt, dyn3d_only ) |
---|
49 | !!---------------------------------------------------------------------- |
---|
50 | !! *** SUBROUTINE bdy_dyn *** |
---|
51 | !! |
---|
52 | !! ** Purpose : - Wrapper routine for bdy_dyn2d and bdy_dyn3d. |
---|
53 | !! |
---|
54 | !!---------------------------------------------------------------------- |
---|
55 | !! |
---|
56 | INTEGER, INTENT( in ) :: kt ! Main time step counter |
---|
57 | LOGICAL, INTENT( in ), OPTIONAL :: dyn3d_only ! T => only update baroclinic velocities |
---|
58 | !! |
---|
59 | INTEGER :: jk,ii,ij,ib,igrd ! Loop counter |
---|
60 | LOGICAL :: ll_dyn2d, ll_dyn3d |
---|
61 | !! |
---|
62 | |
---|
63 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn') |
---|
64 | |
---|
65 | ll_dyn2d = .true. |
---|
66 | ll_dyn3d = .true. |
---|
67 | |
---|
68 | IF( PRESENT(dyn3d_only) ) THEN |
---|
69 | IF( dyn3d_only ) ll_dyn2d = .false. |
---|
70 | ENDIF |
---|
71 | |
---|
72 | !------------------------------------------------------- |
---|
73 | ! Set pointers |
---|
74 | !------------------------------------------------------- |
---|
75 | |
---|
76 | pssh => sshn |
---|
77 | phur => hur |
---|
78 | phvr => hvr |
---|
79 | CALL wrk_alloc(jpi,jpj,pu2d,pv2d) |
---|
80 | |
---|
81 | !------------------------------------------------------- |
---|
82 | ! Split velocities into barotropic and baroclinic parts |
---|
83 | !------------------------------------------------------- |
---|
84 | |
---|
85 | pu2d(:,:) = 0.e0 |
---|
86 | pv2d(:,:) = 0.e0 |
---|
87 | IF (lk_vvl) THEN |
---|
88 | DO jk = 1, jpkm1 !! Vertically integrated momentum trends |
---|
89 | pu2d(:,:) = pu2d(:,:) + fse3u_a(:,:,jk) * umask(:,:,jk) * ua(:,:,jk) |
---|
90 | pv2d(:,:) = pv2d(:,:) + fse3v_a(:,:,jk) * vmask(:,:,jk) * va(:,:,jk) |
---|
91 | END DO |
---|
92 | pu2d(:,:) = pu2d(:,:) / ( hu_0(:,:) + sshu_a(:,:) + 1._wp - umask(:,:,1) ) |
---|
93 | pv2d(:,:) = pv2d(:,:) / ( hv_0(:,:) + sshv_a(:,:) + 1._wp - vmask(:,:,1) ) |
---|
94 | ELSE |
---|
95 | DO jk = 1, jpkm1 !! Vertically integrated momentum trends |
---|
96 | pu2d(:,:) = pu2d(:,:) + fse3u(:,:,jk) * umask(:,:,jk) * ua(:,:,jk) |
---|
97 | pv2d(:,:) = pv2d(:,:) + fse3v(:,:,jk) * vmask(:,:,jk) * va(:,:,jk) |
---|
98 | END DO |
---|
99 | pu2d(:,:) = pu2d(:,:) * phur(:,:) |
---|
100 | pv2d(:,:) = pv2d(:,:) * phvr(:,:) |
---|
101 | ENDIF |
---|
102 | DO jk = 1 , jpkm1 |
---|
103 | ua(:,:,jk) = ua(:,:,jk) - pu2d(:,:) * umask(:,:,jk) |
---|
104 | va(:,:,jk) = va(:,:,jk) - pv2d(:,:) * vmask(:,:,jk) |
---|
105 | END DO |
---|
106 | |
---|
107 | !------------------------------------------------------- |
---|
108 | ! Apply boundary conditions to barotropic and baroclinic |
---|
109 | ! parts separately |
---|
110 | !------------------------------------------------------- |
---|
111 | |
---|
112 | IF( ll_dyn2d ) CALL bdy_dyn2d( kt ) |
---|
113 | |
---|
114 | IF( ll_dyn3d ) CALL bdy_dyn3d( kt ) |
---|
115 | |
---|
116 | !------------------------------------------------------- |
---|
117 | ! Recombine velocities |
---|
118 | !------------------------------------------------------- |
---|
119 | |
---|
120 | DO jk = 1 , jpkm1 |
---|
121 | ua(:,:,jk) = ( ua(:,:,jk) + pu2d(:,:) ) * umask(:,:,jk) |
---|
122 | va(:,:,jk) = ( va(:,:,jk) + pv2d(:,:) ) * vmask(:,:,jk) |
---|
123 | END DO |
---|
124 | |
---|
125 | CALL wrk_dealloc(jpi,jpj,pu2d,pv2d) |
---|
126 | |
---|
127 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn') |
---|
128 | |
---|
129 | END SUBROUTINE bdy_dyn |
---|
130 | |
---|
131 | #else |
---|
132 | !!---------------------------------------------------------------------- |
---|
133 | !! Dummy module NO Unstruct Open Boundary Conditions |
---|
134 | !!---------------------------------------------------------------------- |
---|
135 | CONTAINS |
---|
136 | SUBROUTINE bdy_dyn( kt ) ! Empty routine |
---|
137 | WRITE(*,*) 'bdy_dyn: You should not have seen this print! error?', kt |
---|
138 | END SUBROUTINE bdy_dyn |
---|
139 | #endif |
---|
140 | |
---|
141 | !!====================================================================== |
---|
142 | END MODULE bdydyn |
---|