1 | MODULE dynzad |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE dynzad *** |
---|
4 | !! Ocean dynamics : vertical advection trend |
---|
5 | !!====================================================================== |
---|
6 | !! History : 6.0 ! 91-01 (G. Madec) Original code |
---|
7 | !! 7.0 ! 91-11 (G. Madec) |
---|
8 | !! 7.5 ! 96-01 (G. Madec) statement function for e3 |
---|
9 | !! 8.5 ! 02-07 (G. Madec) j-k-i case: Original code |
---|
10 | !! 8.5 ! 02-07 (G. Madec) Free form, F90 |
---|
11 | !!---------------------------------------------------------------------- |
---|
12 | |
---|
13 | !!---------------------------------------------------------------------- |
---|
14 | !! dyn_zad : vertical advection momentum trend |
---|
15 | !!---------------------------------------------------------------------- |
---|
16 | USE oce ! ocean dynamics and tracers |
---|
17 | USE dom_oce ! ocean space and time domain |
---|
18 | USE in_out_manager ! I/O manager |
---|
19 | USE trdmod ! ocean dynamics trends |
---|
20 | USE trdmod_oce ! ocean variables trends |
---|
21 | USE flxrnf ! ocean runoffs |
---|
22 | USE prtctl ! Print control |
---|
23 | |
---|
24 | IMPLICIT NONE |
---|
25 | PRIVATE |
---|
26 | |
---|
27 | PUBLIC dyn_zad ! routine called by step.F90 |
---|
28 | |
---|
29 | !! * Substitutions |
---|
30 | # include "domzgr_substitute.h90" |
---|
31 | # include "vectopt_loop_substitute.h90" |
---|
32 | !!---------------------------------------------------------------------- |
---|
33 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
---|
34 | !! $Header$ |
---|
35 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
---|
36 | !!---------------------------------------------------------------------- |
---|
37 | |
---|
38 | CONTAINS |
---|
39 | |
---|
40 | #if defined key_mpp_omp |
---|
41 | !!---------------------------------------------------------------------- |
---|
42 | !! 'key_mpp_omp' OpenMP / NEC autotasking: j-k-i loops (j-slab) |
---|
43 | !!---------------------------------------------------------------------- |
---|
44 | |
---|
45 | SUBROUTINE dyn_zad( kt ) |
---|
46 | !!---------------------------------------------------------------------- |
---|
47 | !! *** ROUTINE dynzad *** |
---|
48 | !! |
---|
49 | !! ** Purpose : Compute the now vertical momentum advection trend and |
---|
50 | !! add it to the general trend of momentum equation. |
---|
51 | !! |
---|
52 | !! ** Method : Use j-slab (j-k-i loops) for OpenMP / NEC autotasking |
---|
53 | !! The now vertical advection of momentum is given by: |
---|
54 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
---|
55 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
---|
56 | !! Add this trend to the general trend (ua,va): |
---|
57 | !! (ua,va) = (ua,va) + w dz(u,v) |
---|
58 | !! |
---|
59 | !! ** Action : - Update (ua,va) with the vert. momentum advection trends |
---|
60 | !! - Save the trends in (ztrdu,ztrdv) ('key_trddyn') |
---|
61 | !!---------------------------------------------------------------------- |
---|
62 | USE oce, ONLY: zwuw => ta ! use ta as 3D workspace |
---|
63 | USE oce, ONLY: zwvw => sa ! use sa as 3D workspace |
---|
64 | !! |
---|
65 | INTEGER, INTENT(in) :: kt ! ocean time-step inedx |
---|
66 | !! |
---|
67 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
68 | REAL(wp) :: zvn, zua, zva ! temporary scalars |
---|
69 | REAL(wp), DIMENSION(jpi) :: zww ! 1D workspace |
---|
70 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrdu, ztrdv ! 3D workspace |
---|
71 | !!---------------------------------------------------------------------- |
---|
72 | |
---|
73 | IF( kt == nit000 ) THEN |
---|
74 | IF(lwp) WRITE(numout,*) |
---|
75 | IF(lwp) WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
---|
76 | IF(lwp) WRITE(numout,*) '~~~~~~~ Auto-tasking case, j-slab, no vector opt.' |
---|
77 | ENDIF |
---|
78 | |
---|
79 | IF( l_trddyn ) THEN ! Save ua and va trends |
---|
80 | ztrdu(:,:,:) = ua(:,:,:) |
---|
81 | ztrdv(:,:,:) = va(:,:,:) |
---|
82 | ENDIF |
---|
83 | |
---|
84 | ! ! =============== |
---|
85 | DO jj = 2, jpjm1 ! Vertical slab |
---|
86 | ! ! =============== |
---|
87 | DO jk = 2, jpkm1 ! Vertical momentum advection at uw and vw-pts |
---|
88 | DO ji = 2, jpi ! vertical fluxes |
---|
89 | zww(ji) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
---|
90 | END DO |
---|
91 | DO ji = 2, jpim1 ! vertical momentum advection at w-point |
---|
92 | zvn = 0.25 * e1t(ji,jj+1) * e2t(ji,jj+1) * wn(ji,jj+1,jk) |
---|
93 | zwuw(ji,jj,jk) = ( zww(ji+1) + zww(ji) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
---|
94 | zwvw(ji,jj,jk) = ( zvn + zww(ji) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
---|
95 | END DO |
---|
96 | END DO |
---|
97 | DO ji = 2, jpim1 ! Surface and bottom values set to zero |
---|
98 | zwuw(ji,jj, 1 ) = 0.e0 |
---|
99 | zwvw(ji,jj, 1 ) = 0.e0 |
---|
100 | zwuw(ji,jj,jpk) = 0.e0 |
---|
101 | zwvw(ji,jj,jpk) = 0.e0 |
---|
102 | END DO |
---|
103 | ! |
---|
104 | DO jk = 1, jpkm1 ! Vertical momentum advection at u- and v-points |
---|
105 | DO ji = 2, jpim1 |
---|
106 | ! ! vertical momentum advective trends |
---|
107 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
---|
108 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
---|
109 | ! ! add the trends to the general momentum trends |
---|
110 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
---|
111 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
---|
112 | END DO |
---|
113 | END DO |
---|
114 | ! ! =============== |
---|
115 | END DO ! End of slab |
---|
116 | ! ! =============== |
---|
117 | ! |
---|
118 | IF( l_trddyn ) THEN ! save the vertical advection trends for diagnostic |
---|
119 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
---|
120 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
---|
121 | CALL trd_mod( ztrdu, ztrdv, jpdyn_trd_zad, 'DYN', kt ) |
---|
122 | ENDIF |
---|
123 | ! ! Control print |
---|
124 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zad - Ua: ', mask1=umask, & |
---|
125 | & tab3d_2=va, clinfo2=' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
126 | ! |
---|
127 | END SUBROUTINE dyn_zad |
---|
128 | |
---|
129 | #else |
---|
130 | !!---------------------------------------------------------------------- |
---|
131 | !! Default option k-j-i loop (vector opt.) |
---|
132 | !!---------------------------------------------------------------------- |
---|
133 | |
---|
134 | SUBROUTINE dyn_zad ( kt ) |
---|
135 | !!---------------------------------------------------------------------- |
---|
136 | !! *** ROUTINE dynzad *** |
---|
137 | !! |
---|
138 | !! ** Purpose : Compute the now vertical momentum advection trend and |
---|
139 | !! add it to the general trend of momentum equation. |
---|
140 | !! |
---|
141 | !! ** Method : The now vertical advection of momentum is given by: |
---|
142 | !! w dz(u) = ua + 1/(e1u*e2u*e3u) mk+1[ mi(e1t*e2t*wn) dk(un) ] |
---|
143 | !! w dz(v) = va + 1/(e1v*e2v*e3v) mk+1[ mj(e1t*e2t*wn) dk(vn) ] |
---|
144 | !! Add this trend to the general trend (ua,va): |
---|
145 | !! (ua,va) = (ua,va) + w dz(u,v) |
---|
146 | !! |
---|
147 | !! ** Action : - Update (ua,va) with the vert. momentum adv. trends |
---|
148 | !! - Save the trends in (ztrdu,ztrdv) ('key_trddyn') |
---|
149 | !!---------------------------------------------------------------------- |
---|
150 | USE oce, ONLY: zwuw => ta ! use ta as 3D workspace |
---|
151 | USE oce, ONLY: zwvw => sa ! use sa as 3D workspace |
---|
152 | !! |
---|
153 | INTEGER, INTENT(in) :: kt ! ocean time-step inedx |
---|
154 | !! |
---|
155 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
156 | REAL(wp) :: zua, zva ! temporary scalars |
---|
157 | REAL(wp), DIMENSION(jpi,jpj) :: zww ! 2D workspace |
---|
158 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrdu, ztrdv ! 3D workspace |
---|
159 | !!---------------------------------------------------------------------- |
---|
160 | |
---|
161 | IF( kt == nit000 ) THEN |
---|
162 | IF(lwp)WRITE(numout,*) |
---|
163 | IF(lwp)WRITE(numout,*) 'dyn_zad : arakawa advection scheme' |
---|
164 | IF(lwp)WRITE(numout,*) '~~~~~~~ vector optimization k-j-i loop' |
---|
165 | ENDIF |
---|
166 | |
---|
167 | IF( l_trddyn ) THEN ! Save ua and va trends |
---|
168 | ztrdu(:,:,:) = ua(:,:,:) |
---|
169 | ztrdv(:,:,:) = va(:,:,:) |
---|
170 | ENDIF |
---|
171 | |
---|
172 | DO jk = 2, jpkm1 ! Vertical momentum advection at level w and u- and v- vertical |
---|
173 | DO jj = 2, jpj ! vertical fluxes |
---|
174 | DO ji = fs_2, jpi ! vector opt. |
---|
175 | zww(ji,jj) = 0.25 * e1t(ji,jj) * e2t(ji,jj) * wn(ji,jj,jk) |
---|
176 | END DO |
---|
177 | END DO |
---|
178 | DO jj = 2, jpjm1 ! vertical momentum advection at w-point |
---|
179 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
180 | zwuw(ji,jj,jk) = ( zww(ji+1,jj ) + zww(ji,jj) ) * ( un(ji,jj,jk-1)-un(ji,jj,jk) ) |
---|
181 | zwvw(ji,jj,jk) = ( zww(ji ,jj+1) + zww(ji,jj) ) * ( vn(ji,jj,jk-1)-vn(ji,jj,jk) ) |
---|
182 | END DO |
---|
183 | END DO |
---|
184 | END DO |
---|
185 | DO jj = 2, jpjm1 ! Surface and bottom values set to zero |
---|
186 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
187 | zwuw(ji,jj, 1 ) = 0.e0 |
---|
188 | zwvw(ji,jj, 1 ) = 0.e0 |
---|
189 | zwuw(ji,jj,jpk) = 0.e0 |
---|
190 | zwvw(ji,jj,jpk) = 0.e0 |
---|
191 | END DO |
---|
192 | END DO |
---|
193 | |
---|
194 | DO jk = 1, jpkm1 ! Vertical momentum advection at u- and v-points |
---|
195 | DO jj = 2, jpjm1 |
---|
196 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
197 | ! ! vertical momentum advective trends |
---|
198 | zua = - ( zwuw(ji,jj,jk) + zwuw(ji,jj,jk+1) ) / ( e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
---|
199 | zva = - ( zwvw(ji,jj,jk) + zwvw(ji,jj,jk+1) ) / ( e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) ) |
---|
200 | ! ! add the trends to the general momentum trends |
---|
201 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
---|
202 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
---|
203 | END DO |
---|
204 | END DO |
---|
205 | END DO |
---|
206 | |
---|
207 | IF( l_trddyn ) THEN ! save the vertical advection trends for diagnostic |
---|
208 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
---|
209 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
---|
210 | CALL trd_mod(ztrdu, ztrdv, jpdyn_trd_zad, 'DYN', kt) |
---|
211 | ENDIF |
---|
212 | ! ! Control print |
---|
213 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zad - Ua: ', mask1=umask, & |
---|
214 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
215 | ! |
---|
216 | END SUBROUTINE dyn_zad |
---|
217 | #endif |
---|
218 | |
---|
219 | !!====================================================================== |
---|
220 | END MODULE dynzad |
---|