- Timestamp:
- 2020-09-14T17:40:34+02:00 (4 years ago)
- Location:
- NEMO/branches/2019/dev_r11351_fldread_with_XIOS
- Files:
-
- 2 edited
-
. (modified) (1 prop)
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src/OCE/DYN/sshwzv.F90 (modified) (18 diffs)
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NEMO/branches/2019/dev_r11351_fldread_with_XIOS
- Property svn:externals
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old new 3 3 ^/utils/build/mk@HEAD mk 4 4 ^/utils/tools@HEAD tools 5 ^/vendors/AGRIF/dev @HEADext/AGRIF5 ^/vendors/AGRIF/dev_r12970_AGRIF_CMEMS ext/AGRIF 6 6 ^/vendors/FCM@HEAD ext/FCM 7 7 ^/vendors/IOIPSL@HEAD ext/IOIPSL 8 9 # SETTE 10 ^/utils/CI/sette@13382 sette
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- Property svn:externals
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NEMO/branches/2019/dev_r11351_fldread_with_XIOS/src/OCE/DYN/sshwzv.F90
r11293 r13463 9 9 !! - ! 2010-09 (D.Storkey and E.O'Dea) bug fixes for BDY module 10 10 !! 3.3 ! 2011-10 (M. Leclair) split former ssh_wzv routine and remove all vvl related work 11 !! 4.0 ! 2018-12 (A. Coward) add mixed implicit/explicit advection 12 !! 4.1 ! 2019-08 (A. Coward, D. Storkey) Rename ssh_nxt -> ssh_atf. Now only does time filtering. 11 13 !!---------------------------------------------------------------------- 12 14 13 15 !!---------------------------------------------------------------------- 14 16 !! ssh_nxt : after ssh 15 !! ssh_ swp : filter ans swapthe ssh arrays17 !! ssh_atf : time filter the ssh arrays 16 18 !! wzv : compute now vertical velocity 17 19 !!---------------------------------------------------------------------- 18 20 USE oce ! ocean dynamics and tracers variables 21 USE isf_oce ! ice shelf 19 22 USE dom_oce ! ocean space and time domain variables 20 23 USE sbc_oce ! surface boundary condition: ocean … … 25 28 USE bdydyn2d ! bdy_ssh routine 26 29 #if defined key_agrif 30 USE agrif_oce 27 31 USE agrif_oce_interp 28 32 #endif … … 43 47 PUBLIC wzv ! called by step.F90 44 48 PUBLIC wAimp ! called by step.F90 45 PUBLIC ssh_ swp! called by step.F9049 PUBLIC ssh_atf ! called by step.F90 46 50 47 51 !! * Substitutions 48 # include "vectopt_loop_substitute.h90" 52 # include "do_loop_substitute.h90" 53 # include "domzgr_substitute.h90" 54 49 55 !!---------------------------------------------------------------------- 50 56 !! NEMO/OCE 4.0 , NEMO Consortium (2018) … … 54 60 CONTAINS 55 61 56 SUBROUTINE ssh_nxt( kt )62 SUBROUTINE ssh_nxt( kt, Kbb, Kmm, pssh, Kaa ) 57 63 !!---------------------------------------------------------------------- 58 64 !! *** ROUTINE ssh_nxt *** 59 65 !! 60 !! ** Purpose : compute the after ssh (ssh a)66 !! ** Purpose : compute the after ssh (ssh(Kaa)) 61 67 !! 62 68 !! ** Method : - Using the incompressibility hypothesis, the ssh increment … … 64 70 !! by the time step. 65 71 !! 66 !! ** action : ssh a, after sea surface height72 !! ** action : ssh(:,:,Kaa), after sea surface height 67 73 !! 68 74 !! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling. 69 75 !!---------------------------------------------------------------------- 70 INTEGER, INTENT(in) :: kt ! time step 76 INTEGER , INTENT(in ) :: kt ! time step 77 INTEGER , INTENT(in ) :: Kbb, Kmm, Kaa ! time level index 78 REAL(wp), DIMENSION(jpi,jpj,jpt), INTENT(inout) :: pssh ! sea-surface height 71 79 ! 72 INTEGER :: jk ! dummy loop indice73 REAL(wp) :: z 2dt, zcoef ! local scalars80 INTEGER :: jk ! dummy loop index 81 REAL(wp) :: zcoef ! local scalar 74 82 REAL(wp), DIMENSION(jpi,jpj) :: zhdiv ! 2D workspace 75 83 !!---------------------------------------------------------------------- … … 83 91 ENDIF 84 92 ! 85 z2dt = 2._wp * rdt ! set time step size (Euler/Leapfrog) 86 IF( neuler == 0 .AND. kt == nit000 ) z2dt = rdt 87 zcoef = 0.5_wp * r1_rau0 93 zcoef = 0.5_wp * r1_rho0 88 94 89 95 ! !------------------------------! … … 91 97 ! !------------------------------! 92 98 IF(ln_wd_il) THEN 93 CALL wad_lmt( sshb, zcoef * (emp_b(:,:) + emp(:,:)), z2dt)94 ENDIF 95 96 CALL div_hor( kt )! Horizontal divergence99 CALL wad_lmt(pssh(:,:,Kbb), zcoef * (emp_b(:,:) + emp(:,:)), rDt, Kmm, uu, vv ) 100 ENDIF 101 102 CALL div_hor( kt, Kbb, Kmm ) ! Horizontal divergence 97 103 ! 98 104 zhdiv(:,:) = 0._wp 99 105 DO jk = 1, jpkm1 ! Horizontal divergence of barotropic transports 100 zhdiv(:,:) = zhdiv(:,:) + e3t _n(:,:,jk) * hdivn(:,:,jk)106 zhdiv(:,:) = zhdiv(:,:) + e3t(:,:,jk,Kmm) * hdiv(:,:,jk) 101 107 END DO 102 108 ! ! Sea surface elevation time stepping … … 104 110 ! compute the vertical velocity which can be used to compute the non-linear terms of the momentum equations. 105 111 ! 106 ssha(:,:) = ( sshb(:,:) - z2dt * ( zcoef * ( emp_b(:,:) + emp(:,:) ) + zhdiv(:,:) ) ) * ssmask(:,:)112 pssh(:,:,Kaa) = ( pssh(:,:,Kbb) - rDt * ( zcoef * ( emp_b(:,:) + emp(:,:) ) + zhdiv(:,:) ) ) * ssmask(:,:) 107 113 ! 108 114 #if defined key_agrif 115 Kbb_a = Kbb ; Kmm_a = Kmm ; Krhs_a = Kaa 109 116 CALL agrif_ssh( kt ) 110 117 #endif … … 112 119 IF ( .NOT.ln_dynspg_ts ) THEN 113 120 IF( ln_bdy ) THEN 114 CALL lbc_lnk( 'sshwzv', ssha, 'T', 1.) ! Not sure that's necessary115 CALL bdy_ssh( ssha) ! Duplicate sea level across open boundaries121 CALL lbc_lnk( 'sshwzv', pssh(:,:,Kaa), 'T', 1.0_wp ) ! Not sure that's necessary 122 CALL bdy_ssh( pssh(:,:,Kaa) ) ! Duplicate sea level across open boundaries 116 123 ENDIF 117 124 ENDIF … … 120 127 ! !------------------------------! 121 128 ! 122 IF( ln_ctl) CALL prt_ctl( tab2d_1=ssha, clinfo1=' ssha- : ', mask1=tmask )129 IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab2d_1=pssh(:,:,Kaa), clinfo1=' pssh(:,:,Kaa) - : ', mask1=tmask ) 123 130 ! 124 131 IF( ln_timing ) CALL timing_stop('ssh_nxt') … … 127 134 128 135 129 SUBROUTINE wzv( kt )136 SUBROUTINE wzv( kt, Kbb, Kmm, Kaa, pww ) 130 137 !!---------------------------------------------------------------------- 131 138 !! *** ROUTINE wzv *** … … 138 145 !! The boundary conditions are w=0 at the bottom (no flux) and. 139 146 !! 140 !! ** action : wn: now vertical velocity147 !! ** action : pww : now vertical velocity 141 148 !! 142 149 !! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling. 143 150 !!---------------------------------------------------------------------- 144 INTEGER, INTENT(in) :: kt ! time step 151 INTEGER , INTENT(in) :: kt ! time step 152 INTEGER , INTENT(in) :: Kbb, Kmm, Kaa ! time level indices 153 REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pww ! vertical velocity at Kmm 145 154 ! 146 155 INTEGER :: ji, jj, jk ! dummy loop indices 147 REAL(wp) :: z1_2dt ! local scalars148 156 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zhdiv 149 157 !!---------------------------------------------------------------------- … … 156 164 IF(lwp) WRITE(numout,*) '~~~~~ ' 157 165 ! 158 wn(:,:,jpk) = 0._wp ! bottom boundary condition: w=0 (set once for all)166 pww(:,:,jpk) = 0._wp ! bottom boundary condition: w=0 (set once for all) 159 167 ENDIF 160 168 ! !------------------------------! 161 169 ! ! Now Vertical Velocity ! 162 170 ! !------------------------------! 163 z1_2dt = 1. / ( 2. * rdt ) ! set time step size (Euler/Leapfrog)164 IF( neuler == 0 .AND. kt == nit000 ) z1_2dt = 1. / rdt165 !166 IF( ln_vvl_ztilde .OR. ln_vvl_layer ) THEN ! z_tilde and layer cases171 ! 172 ! !===============================! 173 IF( ln_vvl_ztilde .OR. ln_vvl_layer ) THEN !== z_tilde and layer cases ==! 174 ! !===============================! 167 175 ALLOCATE( zhdiv(jpi,jpj,jpk) ) 168 176 ! … … 170 178 ! horizontal divergence of thickness diffusion transport ( velocity multiplied by e3t) 171 179 ! - ML - note: computation already done in dom_vvl_sf_nxt. Could be optimized (not critical and clearer this way) 172 DO jj = 2, jpjm1 173 DO ji = fs_2, fs_jpim1 ! vector opt. 174 zhdiv(ji,jj,jk) = r1_e1e2t(ji,jj) * ( un_td(ji,jj,jk) - un_td(ji-1,jj,jk) + vn_td(ji,jj,jk) - vn_td(ji,jj-1,jk) ) 175 END DO 176 END DO 177 END DO 178 CALL lbc_lnk('sshwzv', zhdiv, 'T', 1.) ! - ML - Perhaps not necessary: not used for horizontal "connexions" 180 DO_2D( 0, 0, 0, 0 ) 181 zhdiv(ji,jj,jk) = r1_e1e2t(ji,jj) * ( un_td(ji,jj,jk) - un_td(ji-1,jj,jk) + vn_td(ji,jj,jk) - vn_td(ji,jj-1,jk) ) 182 END_2D 183 END DO 184 CALL lbc_lnk('sshwzv', zhdiv, 'T', 1.0_wp) ! - ML - Perhaps not necessary: not used for horizontal "connexions" 179 185 ! ! Is it problematic to have a wrong vertical velocity in boundary cells? 180 ! ! Same question holds for hdiv n. Perhaps just for security186 ! ! Same question holds for hdiv. Perhaps just for security 181 187 DO jk = jpkm1, 1, -1 ! integrate from the bottom the hor. divergence 182 188 ! computation of w 183 wn(:,:,jk) = wn(:,:,jk+1) - ( e3t_n(:,:,jk) * hdivn(:,:,jk) + zhdiv(:,:,jk) & 184 & + z1_2dt * ( e3t_a(:,:,jk) - e3t_b(:,:,jk) ) ) * tmask(:,:,jk) 185 END DO 186 ! IF( ln_vvl_layer ) wn(:,:,:) = 0.e0 189 pww(:,:,jk) = pww(:,:,jk+1) - ( e3t(:,:,jk,Kmm) * hdiv(:,:,jk) & 190 & + zhdiv(:,:,jk) & 191 & + r1_Dt * ( e3t(:,:,jk,Kaa) & 192 & - e3t(:,:,jk,Kbb) ) ) * tmask(:,:,jk) 193 END DO 194 ! IF( ln_vvl_layer ) pww(:,:,:) = 0.e0 187 195 DEALLOCATE( zhdiv ) 188 ELSE ! z_star and linear free surface cases 196 ! !=================================! 197 ELSEIF( ln_linssh ) THEN !== linear free surface cases ==! 198 ! !=================================! 199 DO jk = jpkm1, 1, -1 ! integrate from the bottom the hor. divergence 200 pww(:,:,jk) = pww(:,:,jk+1) - ( e3t(:,:,jk,Kmm) * hdiv(:,:,jk) ) * tmask(:,:,jk) 201 END DO 202 ! !==========================================! 203 ELSE !== Quasi-Eulerian vertical coordinate ==! ('key_qco') 204 ! !==========================================! 189 205 DO jk = jpkm1, 1, -1 ! integrate from the bottom the hor. divergence 190 ! computation of w191 wn(:,:,jk) = wn(:,:,jk+1) - ( e3t_n(:,:,jk) * hdivn(:,:,jk)&192 & + z1_2dt * ( e3t_a(:,:,jk) - e3t_b(:,:,jk) )) * tmask(:,:,jk)206 pww(:,:,jk) = pww(:,:,jk+1) - ( e3t(:,:,jk,Kmm) * hdiv(:,:,jk) & 207 & + r1_Dt * ( e3t(:,:,jk,Kaa) & 208 & - e3t(:,:,jk,Kbb) ) ) * tmask(:,:,jk) 193 209 END DO 194 210 ENDIF … … 196 212 IF( ln_bdy ) THEN 197 213 DO jk = 1, jpkm1 198 wn(:,:,jk) = wn(:,:,jk) * bdytmask(:,:) 199 END DO 200 ENDIF 201 ! 202 #if defined key_agrif 203 IF( .NOT. AGRIF_Root() ) THEN 204 IF ((nbondi == 1).OR.(nbondi == 2)) wn(nlci-1 , : ,:) = 0.e0 ! east 205 IF ((nbondi == -1).OR.(nbondi == 2)) wn(2 , : ,:) = 0.e0 ! west 206 IF ((nbondj == 1).OR.(nbondj == 2)) wn(: ,nlcj-1 ,:) = 0.e0 ! north 207 IF ((nbondj == -1).OR.(nbondj == 2)) wn(: ,2 ,:) = 0.e0 ! south 214 pww(:,:,jk) = pww(:,:,jk) * bdytmask(:,:) 215 END DO 216 ENDIF 217 ! 218 #if defined key_agrif 219 IF( .NOT. AGRIF_Root() ) THEN 220 ! 221 ! Mask vertical velocity at first/last columns/row 222 ! inside computational domain (cosmetic) 223 DO jk = 1, jpkm1 224 IF( lk_west ) THEN ! --- West --- ! 225 DO ji = mi0(2+nn_hls), mi1(2+nn_hls) 226 DO jj = 1, jpj 227 pww(ji,jj,jk) = 0._wp 228 END DO 229 END DO 230 ENDIF 231 IF( lk_east ) THEN ! --- East --- ! 232 DO ji = mi0(jpiglo-1-nn_hls), mi1(jpiglo-1-nn_hls) 233 DO jj = 1, jpj 234 pww(ji,jj,jk) = 0._wp 235 END DO 236 END DO 237 ENDIF 238 IF( lk_south ) THEN ! --- South --- ! 239 DO jj = mj0(2+nn_hls), mj1(2+nn_hls) 240 DO ji = 1, jpi 241 pww(ji,jj,jk) = 0._wp 242 END DO 243 END DO 244 ENDIF 245 IF( lk_north ) THEN ! --- North --- ! 246 DO jj = mj0(jpjglo-1-nn_hls), mj1(jpjglo-1-nn_hls) 247 DO ji = 1, jpi 248 pww(ji,jj,jk) = 0._wp 249 END DO 250 END DO 251 ENDIF 252 ! 253 END DO 254 ! 208 255 ENDIF 209 #endif 256 #endif 210 257 ! 211 258 IF( ln_timing ) CALL timing_stop('wzv') … … 214 261 215 262 216 SUBROUTINE ssh_swp( kt ) 217 !!---------------------------------------------------------------------- 218 !! *** ROUTINE ssh_nxt *** 219 !! 220 !! ** Purpose : achieve the sea surface height time stepping by 221 !! applying Asselin time filter and swapping the arrays 222 !! ssha already computed in ssh_nxt 263 SUBROUTINE ssh_atf( kt, Kbb, Kmm, Kaa, pssh, pssh_f ) 264 !!---------------------------------------------------------------------- 265 !! *** ROUTINE ssh_atf *** 266 !! 267 !! ** Purpose : Apply Asselin time filter to now SSH. 223 268 !! 224 269 !! ** Method : - apply Asselin time fiter to now ssh (excluding the forcing 225 270 !! from the filter, see Leclair and Madec 2010) and swap : 226 !! sshn = ssha + atfp * ( sshb -2 sshn + ssha ) 227 !! - atfp * rdt * ( emp_b - emp ) / rau0 228 !! sshn = ssha 229 !! 230 !! ** action : - sshb, sshn : before & now sea surface height 231 !! ready for the next time step 271 !! pssh(:,:,Kmm) = pssh(:,:,Kaa) + rn_atfp * ( pssh(:,:,Kbb) -2 pssh(:,:,Kmm) + pssh(:,:,Kaa) ) 272 !! - rn_atfp * rn_Dt * ( emp_b - emp ) / rho0 273 !! 274 !! ** action : - pssh(:,:,Kmm) time filtered 232 275 !! 233 276 !! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling. 234 277 !!---------------------------------------------------------------------- 235 INTEGER, INTENT(in) :: kt ! ocean time-step index 278 INTEGER , INTENT(in ) :: kt ! ocean time-step index 279 INTEGER , INTENT(in ) :: Kbb, Kmm, Kaa ! ocean time level indices 280 REAL(wp), DIMENSION(jpi,jpj,jpt) , TARGET, INTENT(inout) :: pssh ! SSH field 281 REAL(wp), DIMENSION(jpi,jpj ), OPTIONAL, TARGET, INTENT( out) :: pssh_f ! filtered SSH field 236 282 ! 237 283 REAL(wp) :: zcoef ! local scalar 238 !!---------------------------------------------------------------------- 239 ! 240 IF( ln_timing ) CALL timing_start('ssh_swp') 284 REAL(wp), POINTER, DIMENSION(:,:) :: zssh ! pointer for filtered SSH 285 !!---------------------------------------------------------------------- 286 ! 287 IF( ln_timing ) CALL timing_start('ssh_atf') 241 288 ! 242 289 IF( kt == nit000 ) THEN 243 290 IF(lwp) WRITE(numout,*) 244 IF(lwp) WRITE(numout,*) 'ssh_ swp : Asselin time filter and swapof sea surface height'291 IF(lwp) WRITE(numout,*) 'ssh_atf : Asselin time filter of sea surface height' 245 292 IF(lwp) WRITE(numout,*) '~~~~~~~ ' 246 293 ENDIF 247 294 ! !== Euler time-stepping: no filter, just swap ==! 248 IF ( neuler == 0 .AND. kt == nit000 ) THEN 249 sshn(:,:) = ssha(:,:) ! now <-- after (before already = now) 250 ! 251 ELSE !== Leap-Frog time-stepping: Asselin filter + swap ==! 252 ! ! before <-- now filtered 253 sshb(:,:) = sshn(:,:) + atfp * ( sshb(:,:) - 2 * sshn(:,:) + ssha(:,:) ) 254 IF( .NOT.ln_linssh ) THEN ! before <-- with forcing removed 255 zcoef = atfp * rdt * r1_rau0 256 sshb(:,:) = sshb(:,:) - zcoef * ( emp_b(:,:) - emp (:,:) & 257 & - rnf_b(:,:) + rnf (:,:) & 258 & + fwfisf_b(:,:) - fwfisf(:,:) ) * ssmask(:,:) 295 IF ( .NOT.( l_1st_euler ) ) THEN ! Only do time filtering for leapfrog timesteps 296 IF( PRESENT( pssh_f ) ) THEN ; zssh => pssh_f 297 ELSE ; zssh => pssh(:,:,Kmm) 259 298 ENDIF 260 sshn(:,:) = ssha(:,:) ! now <-- after 261 ENDIF 262 ! 263 IF(ln_ctl) CALL prt_ctl( tab2d_1=sshb, clinfo1=' sshb - : ', mask1=tmask ) 264 ! 265 IF( ln_timing ) CALL timing_stop('ssh_swp') 266 ! 267 END SUBROUTINE ssh_swp 268 269 SUBROUTINE wAimp( kt ) 299 ! ! filtered "now" field 300 pssh(:,:,Kmm) = pssh(:,:,Kmm) + rn_atfp * ( pssh(:,:,Kbb) - 2 * pssh(:,:,Kmm) + pssh(:,:,Kaa) ) 301 IF( .NOT.ln_linssh ) THEN ! "now" <-- with forcing removed 302 zcoef = rn_atfp * rn_Dt * r1_rho0 303 pssh(:,:,Kmm) = pssh(:,:,Kmm) - zcoef * ( emp_b(:,:) - emp (:,:) & 304 & - rnf_b(:,:) + rnf (:,:) & 305 & + fwfisf_cav_b(:,:) - fwfisf_cav(:,:) & 306 & + fwfisf_par_b(:,:) - fwfisf_par(:,:) ) * ssmask(:,:) 307 308 ! ice sheet coupling 309 IF ( ln_isf .AND. ln_isfcpl .AND. kt == nit000+1) pssh(:,:,Kbb) = pssh(:,:,Kbb) - rn_atfp * rn_Dt * ( risfcpl_ssh(:,:) - 0.0 ) * ssmask(:,:) 310 311 ENDIF 312 ENDIF 313 ! 314 IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab2d_1=pssh(:,:,Kmm), clinfo1=' pssh(:,:,Kmm) - : ', mask1=tmask ) 315 ! 316 IF( ln_timing ) CALL timing_stop('ssh_atf') 317 ! 318 END SUBROUTINE ssh_atf 319 320 321 SUBROUTINE wAimp( kt, Kmm ) 270 322 !!---------------------------------------------------------------------- 271 323 !! *** ROUTINE wAimp *** … … 276 328 !! ** Method : - 277 329 !! 278 !! ** action : w n: now vertical velocity (to be handled explicitly)330 !! ** action : ww : now vertical velocity (to be handled explicitly) 279 331 !! : wi : now vertical velocity (for implicit treatment) 280 332 !! 281 !! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling. 333 !! Reference : Shchepetkin, A. F. (2015): An adaptive, Courant-number-dependent 334 !! implicit scheme for vertical advection in oceanic modeling. 335 !! Ocean Modelling, 91, 38-69. 282 336 !!---------------------------------------------------------------------- 283 337 INTEGER, INTENT(in) :: kt ! time step 338 INTEGER, INTENT(in) :: Kmm ! time level index 284 339 ! 285 340 INTEGER :: ji, jj, jk ! dummy loop indices 286 REAL(wp) :: zCu, zcff, z1_e3t 341 REAL(wp) :: zCu, zcff, z1_e3t, zdt ! local scalars 287 342 REAL(wp) , PARAMETER :: Cu_min = 0.15_wp ! local parameters 288 REAL(wp) , PARAMETER :: Cu_max = 0. 27! local parameters343 REAL(wp) , PARAMETER :: Cu_max = 0.30_wp ! local parameters 289 344 REAL(wp) , PARAMETER :: Cu_cut = 2._wp*Cu_max - Cu_min ! local parameters 290 345 REAL(wp) , PARAMETER :: Fcu = 4._wp*Cu_max*(Cu_max-Cu_min) ! local parameters … … 300 355 ENDIF 301 356 ! 302 ! 303 DO jk = 1, jpkm1 ! calculate Courant numbers 304 DO jj = 2, jpjm1 305 DO ji = 2, fs_jpim1 ! vector opt. 306 z1_e3t = 1._wp / e3t_n(ji,jj,jk) 307 Cu_adv(ji,jj,jk) = 2._wp * rdt * ( ( MAX( wn(ji,jj,jk) , 0._wp ) - MIN( wn(ji,jj,jk+1) , 0._wp ) ) & ! 2*rdt and not r2dt (for restartability) 308 & + ( MAX( e2u(ji ,jj)*e3u_n(ji ,jj,jk)*un(ji ,jj,jk), 0._wp ) - & 309 & MIN( e2u(ji-1,jj)*e3u_n(ji-1,jj,jk)*un(ji-1,jj,jk), 0._wp ) ) & 310 & * r1_e1e2t(ji,jj) & 311 & + ( MAX( e1v(ji,jj )*e3v_n(ji,jj ,jk)*vn(ji,jj ,jk), 0._wp ) - & 312 & MIN( e1v(ji,jj-1)*e3v_n(ji,jj-1,jk)*vn(ji,jj-1,jk), 0._wp ) ) & 313 & * r1_e1e2t(ji,jj) & 314 & ) * z1_e3t 315 END DO 316 END DO 317 END DO 318 CALL lbc_lnk( 'sshwzv', Cu_adv, 'T', 1. ) 357 ! Calculate Courant numbers 358 zdt = 2._wp * rn_Dt ! 2*rn_Dt and not rDt (for restartability) 359 IF( ln_vvl_ztilde .OR. ln_vvl_layer ) THEN 360 DO_3D( 0, 0, 0, 0, 1, jpkm1 ) 361 z1_e3t = 1._wp / e3t(ji,jj,jk,Kmm) 362 Cu_adv(ji,jj,jk) = zdt * & 363 & ( ( MAX( ww(ji,jj,jk) , 0._wp ) - MIN( ww(ji,jj,jk+1) , 0._wp ) ) & 364 & + ( MAX( e2u(ji ,jj) * e3u(ji ,jj,jk,Kmm) & 365 & * uu (ji ,jj,jk,Kmm) + un_td(ji ,jj,jk), 0._wp ) - & 366 & MIN( e2u(ji-1,jj) * e3u(ji-1,jj,jk,Kmm) & 367 & * uu (ji-1,jj,jk,Kmm) + un_td(ji-1,jj,jk), 0._wp ) ) & 368 & * r1_e1e2t(ji,jj) & 369 & + ( MAX( e1v(ji,jj ) * e3v(ji,jj ,jk,Kmm) & 370 & * vv (ji,jj ,jk,Kmm) + vn_td(ji,jj ,jk), 0._wp ) - & 371 & MIN( e1v(ji,jj-1) * e3v(ji,jj-1,jk,Kmm) & 372 & * vv (ji,jj-1,jk,Kmm) + vn_td(ji,jj-1,jk), 0._wp ) ) & 373 & * r1_e1e2t(ji,jj) & 374 & ) * z1_e3t 375 END_3D 376 ELSE 377 DO_3D( 0, 0, 0, 0, 1, jpkm1 ) 378 z1_e3t = 1._wp / e3t(ji,jj,jk,Kmm) 379 Cu_adv(ji,jj,jk) = zdt * & 380 & ( ( MAX( ww(ji,jj,jk) , 0._wp ) - MIN( ww(ji,jj,jk+1) , 0._wp ) ) & 381 & + ( MAX( e2u(ji ,jj)*e3u(ji ,jj,jk,Kmm)*uu(ji ,jj,jk,Kmm), 0._wp ) - & 382 & MIN( e2u(ji-1,jj)*e3u(ji-1,jj,jk,Kmm)*uu(ji-1,jj,jk,Kmm), 0._wp ) ) & 383 & * r1_e1e2t(ji,jj) & 384 & + ( MAX( e1v(ji,jj )*e3v(ji,jj ,jk,Kmm)*vv(ji,jj ,jk,Kmm), 0._wp ) - & 385 & MIN( e1v(ji,jj-1)*e3v(ji,jj-1,jk,Kmm)*vv(ji,jj-1,jk,Kmm), 0._wp ) ) & 386 & * r1_e1e2t(ji,jj) & 387 & ) * z1_e3t 388 END_3D 389 ENDIF 390 CALL lbc_lnk( 'sshwzv', Cu_adv, 'T', 1.0_wp ) 319 391 ! 320 392 CALL iom_put("Courant",Cu_adv) 321 393 ! 322 394 IF( MAXVAL( Cu_adv(:,:,:) ) > Cu_min ) THEN ! Quick check if any breaches anywhere 323 DO jk = jpkm1, 2, -1 ! or scan Courant criterion and partition 324 DO jj = 1, jpj ! w where necessary 325 DO ji = 1, jpi 326 ! 327 zCu = MAX( Cu_adv(ji,jj,jk) , Cu_adv(ji,jj,jk-1) ) 395 DO_3DS( 1, 1, 1, 1, jpkm1, 2, -1 ) 396 ! 397 zCu = MAX( Cu_adv(ji,jj,jk) , Cu_adv(ji,jj,jk-1) ) 328 398 ! alt: 329 ! IF ( w n(ji,jj,jk) > 0._wp ) THEN399 ! IF ( ww(ji,jj,jk) > 0._wp ) THEN 330 400 ! zCu = Cu_adv(ji,jj,jk) 331 401 ! ELSE 332 402 ! zCu = Cu_adv(ji,jj,jk-1) 333 403 ! ENDIF 334 ! 335 IF( zCu <= Cu_min ) THEN !<-- Fully explicit 336 zcff = 0._wp 337 ELSEIF( zCu < Cu_cut ) THEN !<-- Mixed explicit 338 zcff = ( zCu - Cu_min )**2 339 zcff = zcff / ( Fcu + zcff ) 340 ELSE !<-- Mostly implicit 341 zcff = ( zCu - Cu_max )/ zCu 342 ENDIF 343 zcff = MIN(1._wp, zcff) 344 ! 345 wi(ji,jj,jk) = zcff * wn(ji,jj,jk) 346 wn(ji,jj,jk) = ( 1._wp - zcff ) * wn(ji,jj,jk) 347 ! 348 Cu_adv(ji,jj,jk) = zcff ! Reuse array to output coefficient 349 END DO 350 END DO 351 END DO 404 ! 405 IF( zCu <= Cu_min ) THEN !<-- Fully explicit 406 zcff = 0._wp 407 ELSEIF( zCu < Cu_cut ) THEN !<-- Mixed explicit 408 zcff = ( zCu - Cu_min )**2 409 zcff = zcff / ( Fcu + zcff ) 410 ELSE !<-- Mostly implicit 411 zcff = ( zCu - Cu_max )/ zCu 412 ENDIF 413 zcff = MIN(1._wp, zcff) 414 ! 415 wi(ji,jj,jk) = zcff * ww(ji,jj,jk) 416 ww(ji,jj,jk) = ( 1._wp - zcff ) * ww(ji,jj,jk) 417 ! 418 Cu_adv(ji,jj,jk) = zcff ! Reuse array to output coefficient below and in stp_ctl 419 END_3D 352 420 Cu_adv(:,:,1) = 0._wp 353 421 ELSE 354 422 ! Fully explicit everywhere 355 Cu_adv(:,:,:) = 0._wp ! Reuse array to output coefficient 423 Cu_adv(:,:,:) = 0._wp ! Reuse array to output coefficient below and in stp_ctl 356 424 wi (:,:,:) = 0._wp 357 425 ENDIF 358 426 CALL iom_put("wimp",wi) 359 427 CALL iom_put("wi_cff",Cu_adv) 360 CALL iom_put("wexp",w n)428 CALL iom_put("wexp",ww) 361 429 ! 362 430 IF( ln_timing ) CALL timing_stop('wAimp')
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