1 | MODULE dynzad |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE dynzad *** |
---|
4 | !! Ocean dynamics : vertical advection trend |
---|
5 | !!====================================================================== |
---|
6 | |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | !! dyn_zad : vertical advection momentum trend |
---|
9 | !!---------------------------------------------------------------------- |
---|
10 | !! * Modules used |
---|
11 | USE oce ! ocean dynamics and tracers |
---|
12 | USE dom_oce ! ocean space and time domain |
---|
13 | USE in_out_manager ! I/O manager |
---|
14 | USE trdmod ! ocean dynamics trends |
---|
15 | USE trdmod_oce ! ocean variables trends |
---|
16 | USE flxrnf ! ocean runoffs |
---|
17 | |
---|
18 | IMPLICIT NONE |
---|
19 | PRIVATE |
---|
20 | |
---|
21 | !! * Accessibility |
---|
22 | PUBLIC dyn_zad ! routine called by step.F90 |
---|
23 | |
---|
24 | !! * Substitutions |
---|
25 | # include "domzgr_substitute.h90" |
---|
26 | # include "vectopt_loop_substitute.h90" |
---|
27 | !!---------------------------------------------------------------------- |
---|
28 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
---|
29 | !! $Header$ |
---|
30 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
31 | !!---------------------------------------------------------------------- |
---|
32 | |
---|
33 | CONTAINS |
---|
34 | |
---|
35 | #if defined key_autotasking |
---|
36 | !!---------------------------------------------------------------------- |
---|
37 | !! 'key_autotasking' j-k-i loops (j-slab) |
---|
38 | !!---------------------------------------------------------------------- |
---|
39 | |
---|
40 | SUBROUTINE dyn_zad( kt ) |
---|
41 | !!---------------------------------------------------------------------- |
---|
42 | !! *** ROUTINE dynzad *** |
---|
43 | !! |
---|
44 | !! ** Purpose : Compute the now vertical momentum advection trend and |
---|
45 | !! add it to the general trend of momentum equation. |
---|
46 | !! |
---|
47 | !! ** Method : Use j-slab (j-k-i loops) for auto-tasking |
---|
48 | !! The now vertical advection of momentum is given by: |
---|
49 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
---|
50 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
---|
51 | !! Add this trend to the general trend (ua,va): |
---|
52 | !! (ua,va) = (ua,va) + w dz(u,v) |
---|
53 | !! |
---|
54 | !! ** Action : - Update (ua,va) with the vert. momentum advection trends |
---|
55 | !! - Save the trends in (utrd,vtrd) ('key_trddyn') |
---|
56 | !! |
---|
57 | !! History : |
---|
58 | !! 6.0 ! 91-01 (G. Madec) Original code |
---|
59 | !! 7.0 ! 91-11 (G. Madec) |
---|
60 | !! 7.5 ! 96-01 (G. Madec) statement function for e3 |
---|
61 | !! 8.5 ! 02-07 (G. Madec) Free form, F90 |
---|
62 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
63 | !!---------------------------------------------------------------------- |
---|
64 | !! * modules used |
---|
65 | USE oce, ONLY: zwuw => ta, & ! use ta as 3D workspace |
---|
66 | zwvw => sa ! use sa as 3D workspace |
---|
67 | |
---|
68 | !! * Arguments |
---|
69 | INTEGER, INTENT( in ) :: kt ! ocean time-step inedx |
---|
70 | |
---|
71 | !! * Local declarations |
---|
72 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
73 | REAL(wp) :: zvn, zua, zva ! temporary scalars |
---|
74 | REAL(wp), DIMENSION(jpi) :: & |
---|
75 | zww ! temporary workspace |
---|
76 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
---|
77 | ztdua, ztdva ! temporary workspace |
---|
78 | !!---------------------------------------------------------------------- |
---|
79 | |
---|
80 | IF( kt == nit000 ) THEN |
---|
81 | IF(lwp) WRITE(numout,*) |
---|
82 | IF(lwp) WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
---|
83 | IF(lwp) WRITE(numout,*) '~~~~~~~ Auto-tasking case, j-slab, no vector opt.' |
---|
84 | ENDIF |
---|
85 | |
---|
86 | ! Save ua and va trends |
---|
87 | IF( l_trddyn ) THEN |
---|
88 | ztdua(:,:,:) = ua(:,:,:) |
---|
89 | ztdva(:,:,:) = va(:,:,:) |
---|
90 | ENDIF |
---|
91 | |
---|
92 | ! ! =============== |
---|
93 | DO jj = 2, jpjm1 ! Vertical slab |
---|
94 | ! ! =============== |
---|
95 | |
---|
96 | ! Vertical momentum advection at level w and u- and v- vertical |
---|
97 | ! ---------------------------------------------------------------- |
---|
98 | DO jk = 2, jpkm1 |
---|
99 | ! vertical fluxes |
---|
100 | DO ji = 2, jpi |
---|
101 | zww(ji) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
---|
102 | END DO |
---|
103 | ! vertical momentum advection at w-point |
---|
104 | DO ji = 2, jpim1 |
---|
105 | zvn = 0.25 * e1t(ji,jj+1) * e2t(ji,jj+1) * wn(ji,jj+1,jk) |
---|
106 | zwuw(ji,jj,jk) = ( zww(ji+1) + zww(ji) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
---|
107 | zwvw(ji,jj,jk) = ( zvn + zww(ji) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
---|
108 | END DO |
---|
109 | END DO |
---|
110 | |
---|
111 | ! Surface and bottom values set to zero |
---|
112 | DO ji = 2, jpim1 |
---|
113 | zwuw(ji,jj, 1 ) = 0.e0 |
---|
114 | zwvw(ji,jj, 1 ) = 0.e0 |
---|
115 | zwuw(ji,jj,jpk) = 0.e0 |
---|
116 | zwvw(ji,jj,jpk) = 0.e0 |
---|
117 | END DO |
---|
118 | |
---|
119 | ! Vertical momentum advection at u- and v-points |
---|
120 | ! ---------------------------------------------- |
---|
121 | DO jk = 1, jpkm1 |
---|
122 | DO ji = 2, jpim1 |
---|
123 | ! vertical momentum advective trends |
---|
124 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
---|
125 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
---|
126 | ! add the trends to the general momentum trends |
---|
127 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
---|
128 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
---|
129 | END DO |
---|
130 | END DO |
---|
131 | ! ! =============== |
---|
132 | END DO ! End of slab |
---|
133 | ! ! =============== |
---|
134 | |
---|
135 | ! save the vertical advection trends for diagnostic |
---|
136 | ! momentum trends |
---|
137 | IF( l_trddyn ) THEN |
---|
138 | ztdua(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
---|
139 | ztdva(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
---|
140 | |
---|
141 | CALL trd_mod(ztdua, ztdva, jpdtdzad, 'DYN', kt) |
---|
142 | ENDIF |
---|
143 | |
---|
144 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
---|
145 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
---|
146 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
147 | WRITE(numout,*) ' zad - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
---|
148 | u_ctl = zua ; v_ctl = zva |
---|
149 | ENDIF |
---|
150 | |
---|
151 | END SUBROUTINE dyn_zad |
---|
152 | |
---|
153 | #else |
---|
154 | !!---------------------------------------------------------------------- |
---|
155 | !! Default option k-j-i loop (vector opt.) |
---|
156 | !!---------------------------------------------------------------------- |
---|
157 | |
---|
158 | SUBROUTINE dyn_zad ( kt ) |
---|
159 | !!---------------------------------------------------------------------- |
---|
160 | !! *** ROUTINE dynzad *** |
---|
161 | !! |
---|
162 | !! ** Purpose : Compute the now vertical momentum advection trend and |
---|
163 | !! add it to the general trend of momentum equation. |
---|
164 | !! |
---|
165 | !! ** Method : The now vertical advection of momentum is given by: |
---|
166 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
---|
167 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
---|
168 | !! Add this trend to the general trend (ua,va): |
---|
169 | !! (ua,va) = (ua,va) + w dz(u,v) |
---|
170 | !! |
---|
171 | !! ** Action : - Update (ua,va) with the vert. momentum adv. trends |
---|
172 | !! - Save the trends in (utrd,vtrd) ('key_trddyn') |
---|
173 | !! |
---|
174 | !! History : |
---|
175 | !! 8.5 ! 02-07 (G. Madec) Original code |
---|
176 | !!---------------------------------------------------------------------- |
---|
177 | !! * modules used |
---|
178 | USE oce, ONLY: zwuw => ta, & ! use ta as 3D workspace |
---|
179 | zwvw => sa ! use sa as 3D workspace |
---|
180 | !! * Arguments |
---|
181 | INTEGER, INTENT( in ) :: kt ! ocean time-step inedx |
---|
182 | |
---|
183 | !! * Local declarations |
---|
184 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
185 | REAL(wp) :: zua, zva ! temporary scalars |
---|
186 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
187 | zww ! temporary workspace |
---|
188 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
---|
189 | ztdua, ztdva ! temporary workspace |
---|
190 | !!---------------------------------------------------------------------- |
---|
191 | |
---|
192 | IF( kt == nit000 ) THEN |
---|
193 | IF(lwp)WRITE(numout,*) |
---|
194 | IF(lwp)WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
---|
195 | IF(lwp)WRITE(numout,*) '~~~~~~~ vector optimization k-j-i loop' |
---|
196 | ENDIF |
---|
197 | |
---|
198 | ! Save ua and va trends |
---|
199 | IF( l_trddyn ) THEN |
---|
200 | ztdua(:,:,:) = ua(:,:,:) |
---|
201 | ztdva(:,:,:) = va(:,:,:) |
---|
202 | ENDIF |
---|
203 | |
---|
204 | ! Vertical momentum advection at level w and u- and v- vertical |
---|
205 | ! ------------------------------------------------------------- |
---|
206 | DO jk = 2, jpkm1 |
---|
207 | ! vertical fluxes |
---|
208 | DO jj = 2, jpj |
---|
209 | DO ji = fs_2, jpi ! vector opt. |
---|
210 | zww(ji,jj) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
---|
211 | END DO |
---|
212 | END DO |
---|
213 | ! vertical momentum advection at w-point |
---|
214 | DO jj = 2, jpjm1 |
---|
215 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
216 | zwuw(ji,jj,jk) = ( zww(ji+1,jj ) + zww(ji,jj) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
---|
217 | zwvw(ji,jj,jk) = ( zww(ji ,jj+1) + zww(ji,jj) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
---|
218 | END DO |
---|
219 | END DO |
---|
220 | END DO |
---|
221 | |
---|
222 | ! Surface and bottom values set to zero |
---|
223 | DO jj = 2, jpjm1 |
---|
224 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
225 | zwuw(ji,jj, 1 ) = 0.e0 |
---|
226 | zwvw(ji,jj, 1 ) = 0.e0 |
---|
227 | zwuw(ji,jj,jpk) = 0.e0 |
---|
228 | zwvw(ji,jj,jpk) = 0.e0 |
---|
229 | END DO |
---|
230 | END DO |
---|
231 | |
---|
232 | |
---|
233 | ! Vertical momentum advection at u- and v-points |
---|
234 | ! ---------------------------------------------- |
---|
235 | DO jk = 1, jpkm1 |
---|
236 | DO jj = 2, jpjm1 |
---|
237 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
238 | ! vertical momentum advective trends |
---|
239 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
---|
240 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
---|
241 | ! add the trends to the general momentum trends |
---|
242 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
---|
243 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
---|
244 | END DO |
---|
245 | END DO |
---|
246 | END DO |
---|
247 | |
---|
248 | ! save the vertical advection trends for diagnostic |
---|
249 | ! momentum trends |
---|
250 | IF( l_trddyn ) THEN |
---|
251 | ztdua(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
---|
252 | ztdva(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
---|
253 | |
---|
254 | CALL trd_mod(ztdua, ztdva, jpdtdzad, 'DYN', kt) |
---|
255 | ENDIF |
---|
256 | |
---|
257 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
---|
258 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
---|
259 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
260 | WRITE(numout,*) ' zad - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
---|
261 | u_ctl = zua ; v_ctl = zva |
---|
262 | ENDIF |
---|
263 | |
---|
264 | END SUBROUTINE dyn_zad |
---|
265 | #endif |
---|
266 | |
---|
267 | !!====================================================================== |
---|
268 | END MODULE dynzad |
---|