Changeset 5883 for branches/2015/dev_r5836_NOC3_vvl_by_default/NEMOGCM/NEMO/OPA_SRC/TRA/traldf_lap_blp.F90
- Timestamp:
- 2015-11-13T08:01:08+01:00 (9 years ago)
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branches/2015/dev_r5836_NOC3_vvl_by_default/NEMOGCM/NEMO/OPA_SRC/TRA/traldf_lap_blp.F90
r5861 r5883 1 MODULE traldf_lap 1 MODULE traldf_lap_blp 2 2 !!============================================================================== 3 !! *** MODULE traldf_lap ***3 !! *** MODULE traldf_lap_blp *** 4 4 !! Ocean tracers: lateral diffusivity trend (laplacian and bilaplacian) 5 5 !!============================================================================== 6 !! History : OPA ! 1987-06 (P. Andrich, D. L Hostis) Original code 7 !! ! 1991-11 (G. Madec) 8 !! ! 1995-11 (G. Madec) suppress volumetric scale factors 9 !! ! 1996-01 (G. Madec) statement function for e3 10 !! NEMO ! 2002-06 (G. Madec) F90: Free form and module 11 !! 1.0 ! 2004-08 (C. Talandier) New trends organization 12 !! ! 2005-11 (G. Madec) add zps case 13 !! 3.0 ! 2010-06 (C. Ethe, G. Madec) Merge TRA-TRC 14 !! 3.7 ! 2014-01 (G. Madec, S. Masson) re-entrant laplacian 15 !!---------------------------------------------------------------------- 16 17 !!---------------------------------------------------------------------- 18 !! tra_ldf_lap : update the tracer trend with the lateral diffusion : iso-level laplacian operator 19 !! tra_ldf_blp : update the tracer trend with the lateral diffusion : iso-level bilaplacian operator 20 !!---------------------------------------------------------------------- 21 USE oce ! ocean dynamics and active tracers 22 USE dom_oce ! ocean space and time domain 23 USE ldftra ! lateral physics: eddy diffusivity 24 USE diaptr ! poleward transport diagnostics 25 USE trc_oce ! share passive tracers/Ocean variables 26 USE zpshde ! partial step: hor. derivative (zps_hde routine) 6 !! History : 3.7 ! 2014-01 (G. Madec, S. Masson) Original code, re-entrant laplacian 7 !!---------------------------------------------------------------------- 8 9 !!---------------------------------------------------------------------- 10 !! tra_ldf_lap : tracer trend update with iso-level laplacian diffusive operator 11 !! tra_ldf_blp : tracer trend update with iso-level or iso-neutral bilaplacian operator 12 !!---------------------------------------------------------------------- 13 USE oce ! ocean dynamics and active tracers 14 USE dom_oce ! ocean space and time domain 15 USE ldftra ! lateral physics: eddy diffusivity 16 USE traldf_iso ! iso-neutral lateral diffusion (standard operator) (tra_ldf_iso routine) 17 USE traldf_triad ! iso-neutral lateral diffusion (triad operator) (tra_ldf_triad routine) 18 USE diaptr ! poleward transport diagnostics 19 USE trc_oce ! share passive tracers/Ocean variables 20 USE zpshde ! partial step: hor. derivative (zps_hde routine) 27 21 ! 28 USE in_out_manager 29 USE lbclnk 30 USE lib_mpp 31 USE timing 32 USE wrk_nemo 22 USE in_out_manager ! I/O manager 23 USE lbclnk ! ocean lateral boundary conditions (or mpp link) 24 USE lib_mpp ! distribued memory computing library 25 USE timing ! Timing 26 USE wrk_nemo ! Memory allocation 33 27 34 28 IMPLICIT NONE 35 29 PRIVATE 36 30 37 PUBLIC tra_ldf_lap ! routine called by traldf.F90 31 PUBLIC tra_ldf_lap ! called by traldf.F90 32 PUBLIC tra_ldf_blp ! called by traldf.F90 33 34 ! ! Flag to control the type of lateral diffusive operator 35 INTEGER, PARAMETER, PUBLIC :: np_ERROR =-10 ! error in specification of lateral diffusion 36 INTEGER, PARAMETER, PUBLIC :: np_no_ldf = 00 ! without operator (i.e. no lateral diffusive trend) 37 ! !! laplacian ! bilaplacian ! 38 INTEGER, PARAMETER, PUBLIC :: np_lap = 10 , np_blp = 20 ! iso-level operator 39 INTEGER, PARAMETER, PUBLIC :: np_lap_i = 11 , np_blp_i = 21 ! standard iso-neutral or geopotential operator 40 INTEGER, PARAMETER, PUBLIC :: np_lap_it = 12 , np_blp_it = 22 ! triad iso-neutral or geopotential operator 38 41 39 42 !! * Substitutions … … 162 165 END SUBROUTINE tra_ldf_lap 163 166 167 168 SUBROUTINE tra_ldf_blp( kt, kit000, cdtype, pahu, pahv, pgu , pgv , & 169 & pgui, pgvi, & 170 & ptb , pta , kjpt, kldf ) 171 !!---------------------------------------------------------------------- 172 !! *** ROUTINE tra_ldf_blp *** 173 !! 174 !! ** Purpose : Compute the before lateral tracer diffusive 175 !! trend and add it to the general trend of tracer equation. 176 !! 177 !! ** Method : The lateral diffusive trends is provided by a bilaplacian 178 !! operator applied to before field (forward in time). 179 !! It is computed by two successive calls to laplacian routine 180 !! 181 !! ** Action : pta updated with the before rotated bilaplacian diffusion 182 !!---------------------------------------------------------------------- 183 INTEGER , INTENT(in ) :: kt ! ocean time-step index 184 INTEGER , INTENT(in ) :: kit000 ! first time step index 185 CHARACTER(len=3) , INTENT(in ) :: cdtype ! =TRA or TRC (tracer indicator) 186 INTEGER , INTENT(in ) :: kjpt ! number of tracers 187 INTEGER , INTENT(in ) :: kldf ! type of operator used 188 REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: pahu, pahv ! eddy diffusivity at u- and v-points [m2/s] 189 REAL(wp), DIMENSION(jpi,jpj ,kjpt), INTENT(in ) :: pgu, pgv ! tracer gradient at pstep levels 190 REAL(wp), DIMENSION(jpi,jpj, kjpt), INTENT(in ) :: pgui, pgvi ! tracer gradient at top levels 191 REAL(wp), DIMENSION(jpi,jpj,jpk,kjpt), INTENT(in ) :: ptb ! before and now tracer fields 192 REAL(wp), DIMENSION(jpi,jpj,jpk,kjpt), INTENT(inout) :: pta ! tracer trend 193 ! 194 INTEGER :: ji, jj, jk, jn ! dummy loop indices 195 REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zlap ! laplacian at t-point 196 REAL(wp), POINTER, DIMENSION(:,:,:) :: zglu, zglv ! bottom GRADh of the laplacian (u- and v-points) 197 REAL(wp), POINTER, DIMENSION(:,:,:) :: zgui, zgvi ! top GRADh of the laplacian (u- and v-points) 198 !!--------------------------------------------------------------------- 199 ! 200 IF( nn_timing == 1 ) CALL timing_start('tra_ldf_blp') 201 ! 202 CALL wrk_alloc( jpi,jpj,jpk,kjpt, zlap ) 203 CALL wrk_alloc( jpi,jpj, kjpt, zglu, zglv, zgui, zgvi ) 204 ! 205 IF( kt == kit000 .AND. lwp ) THEN 206 WRITE(numout,*) 207 SELECT CASE ( kldf ) 208 CASE ( np_blp ) ; WRITE(numout,*) 'tra_ldf_blp : iso-level bilaplacian operator on ', cdtype 209 CASE ( np_blp_i ) ; WRITE(numout,*) 'tra_ldf_blp : iso-neutral bilaplacian operator on ', cdtype, ' (Standard)' 210 CASE ( np_blp_it ) ; WRITE(numout,*) 'tra_ldf_blp : iso-neutral bilaplacian operator on ', cdtype, ' (triad)' 211 END SELECT 212 WRITE(numout,*) '~~~~~~~~~~~' 213 ENDIF 214 215 zlap(:,:,:,:) = 0._wp 216 ! 217 SELECT CASE ( kldf ) !== 1st laplacian applied to ptb (output in zlap) ==! 218 ! 219 CASE ( np_blp ) ! iso-level bilaplacian 220 CALL tra_ldf_lap ( kt, kit000, cdtype, pahu, pahv, pgu, pgv, pgui, pgvi, ptb, zlap, kjpt, 1 ) 221 CASE ( np_blp_i ) ! rotated bilaplacian : standard operator (Madec) 222 CALL tra_ldf_iso ( kt, kit000, cdtype, pahu, pahv, pgu, pgv, pgui, pgvi, ptb, ptb, zlap, kjpt, 1 ) 223 CASE ( np_blp_it ) ! rotated bilaplacian : triad operator (griffies) 224 CALL tra_ldf_triad( kt, kit000, cdtype, pahu, pahv, pgu, pgv, pgui, pgvi, ptb, ptb, zlap, kjpt, 1 ) 225 END SELECT 226 ! 227 DO jn = 1, kjpt 228 CALL lbc_lnk( zlap(:,:,:,jn) , 'T', 1. ) ! Lateral boundary conditions (unchanged sign) 229 END DO 230 ! ! Partial top/bottom cell: GRADh( zlap ) 231 IF( ln_isfcav .AND. ln_zps ) THEN ; CALL zps_hde_isf( kt, kjpt, zlap, zglu, zglv, zgui, zgvi ) ! both top & bottom 232 ELSEIF( ln_zps ) THEN ; CALL zps_hde ( kt, kjpt, zlap, zglu, zglv ) ! only bottom 233 ENDIF 234 ! 235 SELECT CASE ( kldf ) !== 2nd laplacian applied to zlap (output in pta) ==! 236 ! 237 CASE ( np_blp ) ! iso-level bilaplacian 238 CALL tra_ldf_lap ( kt, kit000, cdtype, pahu, pahv, zglu, zglv, zgui, zgvi, zlap, pta, kjpt, 2 ) 239 CASE ( np_blp_i ) ! rotated bilaplacian : standard operator (Madec) 240 CALL tra_ldf_iso ( kt, kit000, cdtype, pahu, pahv, zglu, zglv, zgui, zgvi, zlap, ptb, pta, kjpt, 2 ) 241 CASE ( np_blp_it ) ! rotated bilaplacian : triad operator (griffies) 242 CALL tra_ldf_triad( kt, kit000, cdtype, pahu, pahv, zglu, zglv, zgui, zgvi, zlap, ptb, pta, kjpt, 2 ) 243 END SELECT 244 ! 245 CALL wrk_dealloc( jpi,jpj,jpk,kjpt, zlap ) 246 CALL wrk_dealloc( jpi,jpj ,kjpt, zglu, zglv, zgui, zgvi ) 247 ! 248 IF( nn_timing == 1 ) CALL timing_stop('tra_ldf_blp') 249 ! 250 END SUBROUTINE tra_ldf_blp 251 164 252 !!============================================================================== 165 END MODULE traldf_lap 253 END MODULE traldf_lap_blp
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