- Timestamp:
- 2010-10-04T15:53:42+02:00 (14 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/DEV_r2106_LOCEAN2010/NEMO/OPA_SRC/DYN/dynnxt.F90
r1970 r2148 22 22 USE oce ! ocean dynamics and tracers 23 23 USE dom_oce ! ocean space and time domain 24 USE sbc_oce ! Surface boundary condition: ocean fields 25 USE phycst ! physical constants 24 26 USE dynspg_oce ! type of surface pressure gradient 25 27 USE dynadv ! dynamics: vector invariant versus flux form … … 87 89 !! un,vn now horizontal velocity of next time-step 88 90 !!---------------------------------------------------------------------- 91 USE oce, ONLY : ze3u_f => ta ! use ta as 3D workspace 92 USE oce, ONLY : ze3v_f => sa ! use sa as 3D workspace 89 93 INTEGER, INTENT( in ) :: kt ! ocean time-step index 90 94 !! … … 95 99 REAL(wp) :: zue3a , zue3n , zue3b ! temporary scalar 96 100 REAL(wp) :: zve3a , zve3n , zve3b ! - - 97 REAL(wp) :: ze3u_b, ze3u_n, ze3u_a ! - -98 REAL(wp) :: ze3v_b, ze3v_n, ze3v_a ! - -99 101 REAL(wp) :: zuf , zvf ! - - 102 REAL(wp) :: zec ! - - 103 REAL(wp) :: zv_t_ij , zv_t_ip1j ! - - 104 REAL(wp) :: zv_t_ijp1 ! - - 105 REAL(wp), DIMENSION(jpi,jpj) :: zs_t, zs_u_1, zs_v_1 ! temporary 2D workspace 100 106 !!---------------------------------------------------------------------- 101 107 … … 146 152 # if defined key_obc 147 153 ! !* OBC open boundaries 148 IF( lk_obc )CALL obc_dyn( kt )154 CALL obc_dyn( kt ) 149 155 ! 150 156 IF ( lk_dynspg_exp .OR. lk_dynspg_ts ) THEN … … 212 218 END DO 213 219 ELSE !* Leap-Frog : Asselin filter and swap 214 IF( ln_dynadv_vec .OR. .NOT. lk_vvl ) THEN ! applied on velocity 220 ! ! =============! 221 IF( .NOT. lk_vvl ) THEN ! Fixed volume ! 222 ! ! =============! 215 223 DO jk = 1, jpkm1 216 224 DO jj = 1, jpj 217 225 DO ji = 1, jpi 218 zuf = atfp * ( ub(ji,jj,jk) + ua(ji,jj,jk) ) + atfp1 * un(ji,jj,jk)219 zvf = atfp * ( vb(ji,jj,jk) + va(ji,jj,jk) ) + atfp1 * vn(ji,jj,jk)226 zuf = un(ji,jj,jk) + atfp * ( ub(ji,jj,jk) - 2.e0 * un(ji,jj,jk) + ua(ji,jj,jk) ) 227 zvf = vn(ji,jj,jk) + atfp * ( vb(ji,jj,jk) - 2.e0 * vn(ji,jj,jk) + va(ji,jj,jk) ) 220 228 ! 221 229 ub(ji,jj,jk) = zuf ! ub <-- filtered velocity … … 226 234 END DO 227 235 END DO 228 ELSE ! applied on thickness weighted velocity 236 ! ! ================! 237 ELSE ! Variable volume ! 238 ! ! ================! 239 ! Before scale factor at t-points 240 ! ------------------------------- 229 241 DO jk = 1, jpkm1 230 DO jj = 1, jpj 231 DO ji = 1, jpi 232 ze3u_a = fse3u_a(ji,jj,jk) 233 ze3v_a = fse3v_a(ji,jj,jk) 234 ze3u_n = fse3u_n(ji,jj,jk) 235 ze3v_n = fse3v_n(ji,jj,jk) 236 ze3u_b = fse3u_b(ji,jj,jk) 237 ze3v_b = fse3v_b(ji,jj,jk) 238 ! 239 zue3a = ua(ji,jj,jk) * ze3u_a 240 zve3a = va(ji,jj,jk) * ze3v_a 241 zue3n = un(ji,jj,jk) * ze3u_n 242 zve3n = vn(ji,jj,jk) * ze3v_n 243 zue3b = ub(ji,jj,jk) * ze3u_b 244 zve3b = vb(ji,jj,jk) * ze3v_b 245 ! 246 zuf = ( atfp * ( zue3b + zue3a ) + atfp1 * zue3n ) & 247 & / ( atfp * ( ze3u_b + ze3u_a ) + atfp1 * ze3u_n ) * umask(ji,jj,jk) 248 zvf = ( atfp * ( zve3b + zve3a ) + atfp1 * zve3n ) & 249 & / ( atfp * ( ze3v_b + ze3v_a ) + atfp1 * ze3v_n ) * vmask(ji,jj,jk) 250 ! 251 ub(ji,jj,jk) = zuf ! ub <-- filtered velocity 252 vb(ji,jj,jk) = zvf 253 un(ji,jj,jk) = ua(ji,jj,jk) ! un <-- ua 254 vn(ji,jj,jk) = va(ji,jj,jk) 255 END DO 256 END DO 257 END DO 242 fse3t_b(:,:,jk) = fse3t_n(:,:,jk) & 243 & + atfp * ( fse3t_b(:,:,jk) + fse3t_a(:,:,jk) & 244 & - 2.e0 * fse3t_n(:,:,jk) ) 245 ENDDO 246 ! Add volume filter correction only at the first level of t-point scale factors 247 zec = atfp * rdt / rau0 248 fse3t_b(:,:,1) = fse3t_b(:,:,1) - zec * ( emp_b(:,:) - emp(:,:) ) * tmask(:,:,1) 249 ! surface at t-points and inverse surface at (u/v)-points used in surface averaging computations 250 zs_t (:,:) = e1t(:,:) * e2t(:,:) 251 zs_u_1(:,:) = 0.5 / e1u(:,:) * e2u(:,:) 252 zs_v_1(:,:) = 0.5 / e1v(:,:) * e2v(:,:) 253 ! 254 IF( ln_dynadv_vec ) THEN 255 ! Before scale factor at (u/v)-points 256 ! ----------------------------------- 257 ! Scale factor anomaly at (u/v)-points: surface averaging of scale factor at t-points 258 DO jk = 1, jpkm1 259 DO jj = 1, jpjm1 260 DO ji = 1, jpim1 261 zv_t_ij = zs_t(ji ,jj ) * fse3t_b(ji ,jj ,jk) 262 zv_t_ip1j = zs_t(ji+1,jj ) * fse3t_b(ji+1,jj ,jk) 263 zv_t_ijp1 = zs_t(ji ,jj+1) * fse3t_b(ji ,jj+1,jk) 264 fse3u_b(ji,jj,jk) = umask(ji,jj,jk) * ( zs_u_1(ji,jj) * ( zv_t_ij + zv_t_ip1j ) - fse3u_0(ji,jj,jk) ) 265 fse3v_b(ji,jj,jk) = vmask(ji,jj,jk) * ( zs_v_1(ji,jj) * ( zv_t_ij + zv_t_ijp1 ) - fse3v_0(ji,jj,jk) ) 266 END DO 267 END DO 268 END DO 269 ! lateral boundary conditions 270 CALL lbc_lnk( fse3u_b(:,:,:), 'U', 1. ) 271 CALL lbc_lnk( fse3v_b(:,:,:), 'V', 1. ) 272 ! Add initial scale factor to scale factor anomaly 273 fse3u_b(:,:,:) = fse3u_b(:,:,:) + fse3u_0(:,:,:) 274 fse3v_b(:,:,:) = fse3v_b(:,:,:) + fse3v_0(:,:,:) 275 ! Leap-Frog - Asselin filter and swap: applied on velocity 276 ! ----------------------------------- 277 DO jk = 1, jpkm1 278 DO jj = 1, jpj 279 DO ji = 1, jpi 280 zuf = un(ji,jj,jk) + atfp * ( ub(ji,jj,jk) - 2.e0 * un(ji,jj,jk) + ua(ji,jj,jk) ) 281 zvf = vn(ji,jj,jk) + atfp * ( vb(ji,jj,jk) - 2.e0 * vn(ji,jj,jk) + va(ji,jj,jk) ) 282 ! 283 ub(ji,jj,jk) = zuf ! ub <-- filtered velocity 284 vb(ji,jj,jk) = zvf 285 un(ji,jj,jk) = ua(ji,jj,jk) ! un <-- ua 286 vn(ji,jj,jk) = va(ji,jj,jk) 287 END DO 288 END DO 289 END DO 290 ! 291 ELSE 292 ! Temporary filered scale factor at (u/v)-points (will become before scale factor) 293 !----------------------------------------------- 294 ! Scale factor anomaly at (u/v)-points: surface averaging of scale factor at t-points 295 DO jk = 1, jpkm1 296 DO jj = 1, jpjm1 297 DO ji = 1, jpim1 298 zv_t_ij = zs_t(ji ,jj ) * fse3t_b(ji ,jj ,jk) 299 zv_t_ip1j = zs_t(ji+1,jj ) * fse3t_b(ji+1,jj ,jk) 300 zv_t_ijp1 = zs_t(ji ,jj+1) * fse3t_b(ji ,jj+1,jk) 301 ze3u_f(ji,jj,jk) = umask(ji,jj,jk) * ( zs_u_1(ji,jj) * ( zv_t_ij + zv_t_ip1j ) - fse3u_0(ji,jj,jk) ) 302 ze3v_f(ji,jj,jk) = vmask(ji,jj,jk) * ( zs_v_1(ji,jj) * ( zv_t_ij + zv_t_ijp1 ) - fse3v_0(ji,jj,jk) ) 303 END DO 304 END DO 305 END DO 306 ! lateral boundary conditions 307 CALL lbc_lnk( ze3u_f, 'U', 1. ) 308 CALL lbc_lnk( ze3v_f, 'V', 1. ) 309 ! Add initial scale factor to scale factor anomaly 310 ze3u_f(:,:,:) = ze3u_f(:,:,:) + fse3u_0(:,:,:) 311 ze3v_f(:,:,:) = ze3v_f(:,:,:) + fse3v_0(:,:,:) 312 ! Leap-Frog - Asselin filter and swap: applied on thickness weighted velocity 313 ! ----------------------------------- =========================== 314 DO jk = 1, jpkm1 315 DO jj = 1, jpj 316 DO ji = 1, jpim1 317 zue3a = ua(ji,jj,jk) * fse3u_a(ji,jj,jk) 318 zve3a = va(ji,jj,jk) * fse3v_a(ji,jj,jk) 319 zue3n = un(ji,jj,jk) * fse3u_n(ji,jj,jk) 320 zve3n = vn(ji,jj,jk) * fse3v_n(ji,jj,jk) 321 zue3b = ub(ji,jj,jk) * fse3u_b(ji,jj,jk) 322 zve3b = vb(ji,jj,jk) * fse3v_b(ji,jj,jk) 323 ! 324 zuf = ( zue3n + atfp * ( zue3b - 2.e0 * zue3n + zue3a ) ) / ze3u_f(ji,jj,jk) 325 zvf = ( zve3n + atfp * ( zve3b - 2.e0 * zve3n + zve3a ) ) / ze3v_f(ji,jj,jk) 326 ! 327 ub(ji,jj,jk) = zuf ! ub <-- filtered velocity 328 vb(ji,jj,jk) = zvf 329 un(ji,jj,jk) = ua(ji,jj,jk) ! un <-- ua 330 vn(ji,jj,jk) = va(ji,jj,jk) 331 END DO 332 END DO 333 END DO 334 fse3u_b(:,:,:) = ze3u_f(:,:,:) ! e3u_b <-- filtered scale factor 335 fse3v_b(:,:,:) = ze3v_f(:,:,:) 336 CALL lbc_lnk( ub, 'U', -1. ) ! lateral boundary conditions 337 CALL lbc_lnk( vb, 'V', -1. ) 338 ENDIF 339 ! 258 340 ENDIF 341 ! 259 342 ENDIF 260 343
Note: See TracChangeset
for help on using the changeset viewer.
