1 | MODULE bdydyn3d |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE bdydyn3d *** |
---|
4 | !! Unstructured Open Boundary Cond. : Flow relaxation scheme on baroclinic velocities |
---|
5 | !!====================================================================== |
---|
6 | !! History : 3.4 ! 2011 (D. Storkey) new module as part of BDY rewrite |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | #if defined key_bdy |
---|
9 | !!---------------------------------------------------------------------- |
---|
10 | !! 'key_bdy' : Unstructured Open Boundary Condition |
---|
11 | !!---------------------------------------------------------------------- |
---|
12 | !! bdy_dyn3d : apply open boundary conditions to baroclinic velocities |
---|
13 | !! bdy_dyn3d_frs : apply Flow Relaxation Scheme |
---|
14 | !!---------------------------------------------------------------------- |
---|
15 | USE timing ! Timing |
---|
16 | USE oce ! ocean dynamics and tracers |
---|
17 | USE dom_oce ! ocean space and time domain |
---|
18 | USE bdy_oce ! ocean open boundary conditions |
---|
19 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
20 | USE in_out_manager ! |
---|
21 | Use phycst |
---|
22 | |
---|
23 | IMPLICIT NONE |
---|
24 | PRIVATE |
---|
25 | |
---|
26 | PUBLIC bdy_dyn3d ! routine called by bdy_dyn |
---|
27 | PUBLIC bdy_dyn3d_dmp ! routine called by step |
---|
28 | |
---|
29 | !!---------------------------------------------------------------------- |
---|
30 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
31 | !! $Id: bdydyn.F90 2528 2010-12-27 17:33:53Z rblod $ |
---|
32 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
33 | !!---------------------------------------------------------------------- |
---|
34 | CONTAINS |
---|
35 | |
---|
36 | SUBROUTINE bdy_dyn3d( kt ) |
---|
37 | !!---------------------------------------------------------------------- |
---|
38 | !! *** SUBROUTINE bdy_dyn3d *** |
---|
39 | !! |
---|
40 | !! ** Purpose : - Apply open boundary conditions for baroclinic velocities |
---|
41 | !! |
---|
42 | !!---------------------------------------------------------------------- |
---|
43 | INTEGER, INTENT( in ) :: kt ! Main time step counter |
---|
44 | !! |
---|
45 | INTEGER :: ib_bdy ! loop index |
---|
46 | !! |
---|
47 | |
---|
48 | DO ib_bdy=1, nb_bdy |
---|
49 | |
---|
50 | !!$ IF ( using Orlanski radiation conditions ) THEN |
---|
51 | !!$ CALL bdy_rad( kt, bdyidx(ib_bdy) ) |
---|
52 | !!$ ENDIF |
---|
53 | |
---|
54 | SELECT CASE( nn_dyn3d(ib_bdy) ) |
---|
55 | CASE(jp_none) |
---|
56 | CYCLE |
---|
57 | CASE(jp_frs) |
---|
58 | CALL bdy_dyn3d_frs( idx_bdy(ib_bdy), dta_bdy(ib_bdy), kt ) |
---|
59 | CASE(2) |
---|
60 | CALL bdy_dyn3d_spe( idx_bdy(ib_bdy), dta_bdy(ib_bdy), kt ) |
---|
61 | CASE(3) |
---|
62 | CALL bdy_dyn3d_zro( idx_bdy(ib_bdy), dta_bdy(ib_bdy), kt ) |
---|
63 | CASE DEFAULT |
---|
64 | CALL ctl_stop( 'bdy_dyn3d : unrecognised option for open boundaries for baroclinic velocities' ) |
---|
65 | END SELECT |
---|
66 | ENDDO |
---|
67 | |
---|
68 | END SUBROUTINE bdy_dyn3d |
---|
69 | |
---|
70 | SUBROUTINE bdy_dyn3d_spe( idx, dta, kt ) |
---|
71 | !!---------------------------------------------------------------------- |
---|
72 | !! *** SUBROUTINE bdy_dyn3d_spe *** |
---|
73 | !! |
---|
74 | !! ** Purpose : - Apply a specified value for baroclinic velocities |
---|
75 | !! at open boundaries. |
---|
76 | !! |
---|
77 | !!---------------------------------------------------------------------- |
---|
78 | INTEGER :: kt |
---|
79 | TYPE(OBC_INDEX), INTENT(in) :: idx ! OBC indices |
---|
80 | TYPE(OBC_DATA), INTENT(in) :: dta ! OBC external data |
---|
81 | !! |
---|
82 | INTEGER :: jb, jk ! dummy loop indices |
---|
83 | INTEGER :: ii, ij, igrd ! local integers |
---|
84 | REAL(wp) :: zwgt ! boundary weight |
---|
85 | !!---------------------------------------------------------------------- |
---|
86 | ! |
---|
87 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn3d_spe') |
---|
88 | ! |
---|
89 | igrd = 2 ! Relaxation of zonal velocity |
---|
90 | DO jb = 1, idx%nblenrim(igrd) |
---|
91 | DO jk = 1, jpkm1 |
---|
92 | ii = idx%nbi(jb,igrd) |
---|
93 | ij = idx%nbj(jb,igrd) |
---|
94 | ua(ii,ij,jk) = dta%u3d(jb,jk) * umask(ii,ij,jk) |
---|
95 | END DO |
---|
96 | END DO |
---|
97 | ! |
---|
98 | igrd = 3 ! Relaxation of meridional velocity |
---|
99 | DO jb = 1, idx%nblenrim(igrd) |
---|
100 | DO jk = 1, jpkm1 |
---|
101 | ii = idx%nbi(jb,igrd) |
---|
102 | ij = idx%nbj(jb,igrd) |
---|
103 | va(ii,ij,jk) = dta%v3d(jb,jk) * vmask(ii,ij,jk) |
---|
104 | END DO |
---|
105 | END DO |
---|
106 | CALL lbc_lnk( ua, 'U', -1. ) ; CALL lbc_lnk( va, 'V', -1. ) ! Boundary points should be updated |
---|
107 | ! |
---|
108 | IF( kt .eq. nit000 ) CLOSE( unit = 102 ) |
---|
109 | |
---|
110 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn3d_spe') |
---|
111 | |
---|
112 | END SUBROUTINE bdy_dyn3d_spe |
---|
113 | |
---|
114 | SUBROUTINE bdy_dyn3d_zro( idx, dta, kt ) |
---|
115 | !!---------------------------------------------------------------------- |
---|
116 | !! *** SUBROUTINE bdy_dyn3d_zro *** |
---|
117 | !! |
---|
118 | !! ** Purpose : - baroclinic velocities = 0. at open boundaries. |
---|
119 | !! |
---|
120 | !!---------------------------------------------------------------------- |
---|
121 | INTEGER :: kt |
---|
122 | TYPE(OBC_INDEX), INTENT(in) :: idx ! OBC indices |
---|
123 | TYPE(OBC_DATA), INTENT(in) :: dta ! OBC external data |
---|
124 | !! |
---|
125 | INTEGER :: ib, ik ! dummy loop indices |
---|
126 | INTEGER :: ii, ij, igrd, zcoef ! local integers |
---|
127 | REAL(wp) :: zwgt ! boundary weight |
---|
128 | !!---------------------------------------------------------------------- |
---|
129 | ! |
---|
130 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn3d_zro') |
---|
131 | ! |
---|
132 | igrd = 2 ! Everything is at T-points here |
---|
133 | DO ib = 1, idx%nblenrim(igrd) |
---|
134 | ii = idx%nbi(ib,igrd) |
---|
135 | ij = idx%nbj(ib,igrd) |
---|
136 | DO ik = 1, jpkm1 |
---|
137 | ua(ii,ij,ik) = 0._wp |
---|
138 | END DO |
---|
139 | END DO |
---|
140 | |
---|
141 | igrd = 3 ! Everything is at T-points here |
---|
142 | DO ib = 1, idx%nblenrim(igrd) |
---|
143 | ii = idx%nbi(ib,igrd) |
---|
144 | ij = idx%nbj(ib,igrd) |
---|
145 | DO ik = 1, jpkm1 |
---|
146 | va(ii,ij,ik) = 0._wp |
---|
147 | END DO |
---|
148 | END DO |
---|
149 | ! |
---|
150 | CALL lbc_lnk( ua, 'U', -1. ) ; CALL lbc_lnk( va, 'V', -1. ) ! Boundary points should be updated |
---|
151 | ! |
---|
152 | IF( kt .eq. nit000 ) CLOSE( unit = 102 ) |
---|
153 | |
---|
154 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn3d_zro') |
---|
155 | |
---|
156 | END SUBROUTINE bdy_dyn3d_zro |
---|
157 | |
---|
158 | SUBROUTINE bdy_dyn3d_frs( idx, dta, kt ) |
---|
159 | !!---------------------------------------------------------------------- |
---|
160 | !! *** SUBROUTINE bdy_dyn3d_frs *** |
---|
161 | !! |
---|
162 | !! ** Purpose : - Apply the Flow Relaxation Scheme for baroclinic velocities |
---|
163 | !! at open boundaries. |
---|
164 | !! |
---|
165 | !! References :- Engedahl H., 1995: Use of the flow relaxation scheme in |
---|
166 | !! a three-dimensional baroclinic ocean model with realistic |
---|
167 | !! topography. Tellus, 365-382. |
---|
168 | !!---------------------------------------------------------------------- |
---|
169 | INTEGER :: kt |
---|
170 | TYPE(OBC_INDEX), INTENT(in) :: idx ! OBC indices |
---|
171 | TYPE(OBC_DATA), INTENT(in) :: dta ! OBC external data |
---|
172 | !! |
---|
173 | INTEGER :: jb, jk ! dummy loop indices |
---|
174 | INTEGER :: ii, ij, igrd ! local integers |
---|
175 | REAL(wp) :: zwgt ! boundary weight |
---|
176 | !!---------------------------------------------------------------------- |
---|
177 | ! |
---|
178 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn3d_frs') |
---|
179 | ! |
---|
180 | igrd = 2 ! Relaxation of zonal velocity |
---|
181 | DO jb = 1, idx%nblen(igrd) |
---|
182 | DO jk = 1, jpkm1 |
---|
183 | ii = idx%nbi(jb,igrd) |
---|
184 | ij = idx%nbj(jb,igrd) |
---|
185 | zwgt = idx%nbw(jb,igrd) |
---|
186 | ua(ii,ij,jk) = ( ua(ii,ij,jk) + zwgt * ( dta%u3d(jb,jk) - ua(ii,ij,jk) ) ) * umask(ii,ij,jk) |
---|
187 | END DO |
---|
188 | END DO |
---|
189 | ! |
---|
190 | igrd = 3 ! Relaxation of meridional velocity |
---|
191 | DO jb = 1, idx%nblen(igrd) |
---|
192 | DO jk = 1, jpkm1 |
---|
193 | ii = idx%nbi(jb,igrd) |
---|
194 | ij = idx%nbj(jb,igrd) |
---|
195 | zwgt = idx%nbw(jb,igrd) |
---|
196 | va(ii,ij,jk) = ( va(ii,ij,jk) + zwgt * ( dta%v3d(jb,jk) - va(ii,ij,jk) ) ) * vmask(ii,ij,jk) |
---|
197 | END DO |
---|
198 | END DO |
---|
199 | CALL lbc_lnk( ua, 'U', -1. ) ; CALL lbc_lnk( va, 'V', -1. ) ! Boundary points should be updated |
---|
200 | ! |
---|
201 | IF( kt .eq. nit000 ) CLOSE( unit = 102 ) |
---|
202 | |
---|
203 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn3d_frs') |
---|
204 | |
---|
205 | END SUBROUTINE bdy_dyn3d_frs |
---|
206 | |
---|
207 | SUBROUTINE bdy_dyn3d_dmp( kt ) |
---|
208 | !!---------------------------------------------------------------------- |
---|
209 | !! *** SUBROUTINE bdy_dyn3d_dmp *** |
---|
210 | !! |
---|
211 | !! ** Purpose : Apply damping for baroclinic velocities at open boundaries. |
---|
212 | !! |
---|
213 | !!---------------------------------------------------------------------- |
---|
214 | INTEGER :: kt |
---|
215 | !! |
---|
216 | INTEGER :: jb, jk ! dummy loop indices |
---|
217 | INTEGER :: ii, ij, igrd ! local integers |
---|
218 | REAL(wp) :: zwgt ! boundary weight |
---|
219 | INTEGER :: ib_bdy ! loop index |
---|
220 | !!---------------------------------------------------------------------- |
---|
221 | ! |
---|
222 | IF( nn_timing == 1 ) CALL timing_start('bdy_dyn3d_dmp') |
---|
223 | ! |
---|
224 | DO ib_bdy=1, nb_bdy |
---|
225 | IF ( ln_dyn3d_dmp(ib_bdy).and.nn_dyn3d(ib_bdy).gt.0 ) THEN |
---|
226 | igrd = 2 ! Relaxation of zonal velocity |
---|
227 | DO jb = 1, idx_bdy(ib_bdy)%nblen(igrd) |
---|
228 | ii = idx_bdy(ib_bdy)%nbi(jb,igrd) |
---|
229 | ij = idx_bdy(ib_bdy)%nbj(jb,igrd) |
---|
230 | zwgt = idx_bdy(ib_bdy)%nbw(jb,igrd) / ( rn_time_dmp(ib_bdy) * rday ) |
---|
231 | DO jk = 1, jpkm1 |
---|
232 | ua(ii,ij,jk) = ( ua(ii,ij,jk) + zwgt * ( dta_bdy(ib_bdy)%u3d(jb,jk) - ub(ii,ij,jk) ) ) * umask(ii,ij,jk) |
---|
233 | END DO |
---|
234 | END DO |
---|
235 | ! |
---|
236 | igrd = 3 ! Relaxation of meridional velocity |
---|
237 | DO jb = 1, idx_bdy(ib_bdy)%nblen(igrd) |
---|
238 | ii = idx_bdy(ib_bdy)%nbi(jb,igrd) |
---|
239 | ij = idx_bdy(ib_bdy)%nbj(jb,igrd) |
---|
240 | zwgt = idx_bdy(ib_bdy)%nbw(jb,igrd) / ( rn_time_dmp(ib_bdy) * rday ) |
---|
241 | DO jk = 1, jpkm1 |
---|
242 | va(ii,ij,jk) = ( va(ii,ij,jk) + zwgt * ( dta_bdy(ib_bdy)%v3d(jb,jk) - vb(ii,ij,jk) ) ) * vmask(ii,ij,jk) |
---|
243 | END DO |
---|
244 | END DO |
---|
245 | ENDIF |
---|
246 | ENDDO |
---|
247 | ! |
---|
248 | CALL lbc_lnk( ua, 'U', -1. ) ; CALL lbc_lnk( va, 'V', -1. ) ! Boundary points should be updated |
---|
249 | ! |
---|
250 | IF( nn_timing == 1 ) CALL timing_stop('bdy_dyn3d_dmp') |
---|
251 | |
---|
252 | END SUBROUTINE bdy_dyn3d_dmp |
---|
253 | |
---|
254 | #else |
---|
255 | !!---------------------------------------------------------------------- |
---|
256 | !! Dummy module NO Unstruct Open Boundary Conditions |
---|
257 | !!---------------------------------------------------------------------- |
---|
258 | CONTAINS |
---|
259 | SUBROUTINE bdy_dyn3d( kt ) ! Empty routine |
---|
260 | WRITE(*,*) 'bdy_dyn_frs: You should not have seen this print! error?', kt |
---|
261 | END SUBROUTINE bdy_dyn3d |
---|
262 | #endif |
---|
263 | |
---|
264 | !!====================================================================== |
---|
265 | END MODULE bdydyn3d |
---|