[6108] | 1 | MODULE trcbdy |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE bdytrc *** |
---|
| 4 | !! Ocean tracers: Apply boundary conditions for tracers in TOP component |
---|
| 5 | !!====================================================================== |
---|
| 6 | !! History : 1.0 ! 2005-01 (J. Chanut, A. Sellar) Original code |
---|
| 7 | !! 3.0 ! 2008-04 (NEMO team) add in the reference version |
---|
| 8 | !! 3.4 ! 2011 (D. Storkey) rewrite in preparation for OBC-BDY merge |
---|
| 9 | !! 3.5 ! 2012 (S. Mocavero, I. Epicoco) Optimization of BDY communications |
---|
| 10 | !! 3.6 ! 2015 (T. Lovato) Adapt BDY for tracers in TOP component |
---|
[7646] | 11 | !! 4.0 ! 2016 (T. Lovato) Generalize OBC structure |
---|
[6108] | 12 | !!---------------------------------------------------------------------- |
---|
[7646] | 13 | #if defined key_top |
---|
[6108] | 14 | !!---------------------------------------------------------------------- |
---|
[7646] | 15 | !! trc_bdy : Apply open boundary conditions & damping to tracers |
---|
[6108] | 16 | !!---------------------------------------------------------------------- |
---|
| 17 | USE timing ! Timing |
---|
| 18 | USE oce_trc ! ocean dynamics and tracers variables |
---|
| 19 | USE par_trc |
---|
| 20 | USE trc ! ocean space and time domain variables |
---|
| 21 | USE bdylib ! for orlanski library routines |
---|
| 22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
| 23 | USE in_out_manager ! I/O manager |
---|
[11536] | 24 | USE bdy_oce ! ocean open boundary conditions |
---|
[6108] | 25 | |
---|
| 26 | IMPLICIT NONE |
---|
| 27 | PRIVATE |
---|
| 28 | |
---|
| 29 | PUBLIC trc_bdy ! routine called in trcnxt.F90 |
---|
| 30 | PUBLIC trc_bdy_dmp ! routine called in trcstp.F90 |
---|
| 31 | |
---|
| 32 | !!---------------------------------------------------------------------- |
---|
[10068] | 33 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
---|
[11715] | 34 | !! $Id$ |
---|
[10068] | 35 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
[6108] | 36 | !!---------------------------------------------------------------------- |
---|
| 37 | CONTAINS |
---|
| 38 | |
---|
| 39 | SUBROUTINE trc_bdy( kt ) |
---|
| 40 | !!---------------------------------------------------------------------- |
---|
| 41 | !! *** SUBROUTINE trc_bdy *** |
---|
| 42 | !! |
---|
[7646] | 43 | !! ** Purpose : - Apply open boundary conditions for TOP tracers |
---|
[6108] | 44 | !! |
---|
| 45 | !!---------------------------------------------------------------------- |
---|
| 46 | INTEGER, INTENT( in ) :: kt ! Main time step counter |
---|
| 47 | !! |
---|
[11536] | 48 | INTEGER :: ib_bdy ,ir, jn ,igrd ! Loop indices |
---|
[7646] | 49 | REAL(wp), POINTER, DIMENSION(:,:) :: ztrc |
---|
| 50 | REAL(wp), POINTER :: zfac |
---|
[11536] | 51 | LOGICAL :: llrim0 ! indicate if rim 0 is treated |
---|
| 52 | LOGICAL, DIMENSION(4) :: llsend1, llrecv1 ! indicate how communications are to be carried out |
---|
[6108] | 53 | !!---------------------------------------------------------------------- |
---|
| 54 | ! |
---|
[9124] | 55 | IF( ln_timing ) CALL timing_start('trc_bdy') |
---|
[6108] | 56 | ! |
---|
[7646] | 57 | igrd = 1 |
---|
[11536] | 58 | llsend1(:) = .false. ; llrecv1(:) = .false. |
---|
| 59 | DO ir = 1, 0, -1 ! treat rim 1 before rim 0 |
---|
| 60 | IF( ir == 0 ) THEN ; llrim0 = .TRUE. |
---|
| 61 | ELSE ; llrim0 = .FALSE. |
---|
| 62 | END IF |
---|
| 63 | DO ib_bdy=1, nb_bdy |
---|
| 64 | DO jn = 1, jptra |
---|
| 65 | ! |
---|
| 66 | ztrc => trcdta_bdy(jn,ib_bdy)%trc |
---|
| 67 | zfac => trcdta_bdy(jn,ib_bdy)%rn_fac |
---|
| 68 | ! |
---|
| 69 | SELECT CASE( TRIM(trcdta_bdy(jn,ib_bdy)%cn_obc) ) |
---|
| 70 | CASE('none' ) ; CYCLE |
---|
| 71 | CASE('frs' ) ! treat the whole boundary at once |
---|
| 72 | IF( ir == 0 ) CALL bdy_frs( idx_bdy(ib_bdy), tra(:,:,:,jn), ztrc*zfac ) |
---|
| 73 | CASE('specified' ) ! treat the whole rim at once |
---|
| 74 | IF( ir == 0 ) CALL bdy_spe( idx_bdy(ib_bdy), tra(:,:,:,jn), ztrc*zfac ) |
---|
| 75 | CASE('neumann' ) ; CALL bdy_nmn( idx_bdy(ib_bdy), igrd , tra(:,:,:,jn) ) ! tra masked |
---|
| 76 | CASE('orlanski' ) ; CALL bdy_orl( idx_bdy(ib_bdy), trb(:,:,:,jn), tra(:,:,:,jn), ztrc*zfac, ll_npo=.false. ) |
---|
| 77 | CASE('orlanski_npo') ; CALL bdy_orl( idx_bdy(ib_bdy), trb(:,:,:,jn), tra(:,:,:,jn), ztrc*zfac, ll_npo=.true. ) |
---|
| 78 | CASE DEFAULT ; CALL ctl_stop( 'trc_bdy : unrecognised option for open boundaries for passive tracers' ) |
---|
| 79 | END SELECT |
---|
| 80 | ! |
---|
| 81 | END DO |
---|
| 82 | END DO |
---|
| 83 | ! |
---|
| 84 | IF( nn_hls > 1 .AND. ir == 1 ) CYCLE ! at least 2 halos will be corrected -> no need to correct rim 1 before rim 0 |
---|
| 85 | IF( nn_hls == 1 ) THEN ; llsend1(:) = .false. ; llrecv1(:) = .false. ; END IF |
---|
| 86 | DO ib_bdy=1, nb_bdy |
---|
| 87 | SELECT CASE( TRIM(cn_tra(ib_bdy)) ) |
---|
| 88 | CASE('neumann') |
---|
| 89 | llsend1(:) = llsend1(:) .OR. lsend_bdyint(ib_bdy,1,:,ir) ! possibly every direction, T points |
---|
| 90 | llrecv1(:) = llrecv1(:) .OR. lrecv_bdyint(ib_bdy,1,:,ir) ! possibly every direction, T points |
---|
| 91 | CASE('orlanski','orlanski_npo') |
---|
| 92 | llsend1(:) = llsend1(:) .OR. lsend_bdy(ib_bdy,1,:,ir) ! possibly every direction, T points |
---|
| 93 | llrecv1(:) = llrecv1(:) .OR. lrecv_bdy(ib_bdy,1,:,ir) ! possibly every direction, T points |
---|
[6108] | 94 | END SELECT |
---|
[7646] | 95 | END DO |
---|
[11536] | 96 | IF( ANY(llsend1) .OR. ANY(llrecv1) ) THEN ! if need to send/recv in at least one direction |
---|
[12083] | 97 | CALL lbc_lnk( 'trcbdy', tra, 'T', 1., kfillmode=jpfillnothing ,lsend=llsend1, lrecv=llrecv1 ) |
---|
[11536] | 98 | END IF |
---|
| 99 | ! |
---|
| 100 | END DO ! ir |
---|
[6108] | 101 | ! |
---|
[9124] | 102 | IF( ln_timing ) CALL timing_stop('trc_bdy') |
---|
[11536] | 103 | ! |
---|
[6108] | 104 | END SUBROUTINE trc_bdy |
---|
| 105 | |
---|
[9124] | 106 | |
---|
[6108] | 107 | SUBROUTINE trc_bdy_dmp( kt ) |
---|
| 108 | !!---------------------------------------------------------------------- |
---|
| 109 | !! *** SUBROUTINE trc_bdy_dmp *** |
---|
| 110 | !! |
---|
| 111 | !! ** Purpose : Apply damping for tracers at open boundaries. |
---|
| 112 | !! It currently applies the damping to all tracers!!! |
---|
| 113 | !! |
---|
| 114 | !!---------------------------------------------------------------------- |
---|
| 115 | INTEGER, INTENT(in) :: kt |
---|
| 116 | !! |
---|
| 117 | INTEGER :: jn ! Tracer index |
---|
| 118 | REAL(wp) :: zwgt ! boundary weight |
---|
| 119 | REAL(wp) :: zta, zsa, ztime |
---|
| 120 | INTEGER :: ib, ik, igrd ! dummy loop indices |
---|
| 121 | INTEGER :: ii, ij ! 2D addresses |
---|
| 122 | INTEGER :: ib_bdy ! Loop index |
---|
| 123 | !!---------------------------------------------------------------------- |
---|
| 124 | ! |
---|
[9124] | 125 | IF( ln_timing ) CALL timing_start('trc_bdy_dmp') |
---|
[6108] | 126 | ! |
---|
| 127 | DO jn = 1, jptra |
---|
| 128 | DO ib_bdy=1, nb_bdy |
---|
[9124] | 129 | IF( trcdta_bdy(jn, ib_bdy)%dmp ) THEN |
---|
[6108] | 130 | igrd = 1 ! Everything is at T-points here |
---|
| 131 | DO ib = 1, idx_bdy(ib_bdy)%nblen(igrd) |
---|
| 132 | ii = idx_bdy(ib_bdy)%nbi(ib,igrd) |
---|
| 133 | ij = idx_bdy(ib_bdy)%nbj(ib,igrd) |
---|
| 134 | zwgt = idx_bdy(ib_bdy)%nbd(ib,igrd) |
---|
| 135 | DO ik = 1, jpkm1 |
---|
| 136 | zta = zwgt * ( trcdta_bdy(jn, ib_bdy)%trc(ib,ik) - trb(ii,ij,ik,jn) ) * tmask(ii,ij,ik) |
---|
| 137 | tra(ii,ij,ik,jn) = tra(ii,ij,ik,jn) + zta |
---|
| 138 | END DO |
---|
| 139 | END DO |
---|
| 140 | ENDIF |
---|
[9124] | 141 | END DO |
---|
| 142 | END DO |
---|
[6108] | 143 | ! |
---|
[9124] | 144 | IF( ln_timing ) CALL timing_stop('trc_bdy_dmp') |
---|
[6108] | 145 | ! |
---|
| 146 | END SUBROUTINE trc_bdy_dmp |
---|
| 147 | |
---|
| 148 | #else |
---|
| 149 | !!---------------------------------------------------------------------- |
---|
| 150 | !! Dummy module NO Unstruct Open Boundary Conditions |
---|
| 151 | !!---------------------------------------------------------------------- |
---|
| 152 | CONTAINS |
---|
| 153 | SUBROUTINE trc_bdy(kt) ! Empty routine |
---|
| 154 | WRITE(*,*) 'trc_bdy: You should not have seen this print! error?', kt |
---|
| 155 | END SUBROUTINE trc_bdy |
---|
| 156 | |
---|
| 157 | SUBROUTINE trc_bdy_dmp(kt) ! Empty routine |
---|
| 158 | WRITE(*,*) 'trc_bdy_dmp: You should not have seen this print! error?', kt |
---|
| 159 | END SUBROUTINE trc_bdy_dmp |
---|
| 160 | |
---|
| 161 | #endif |
---|
| 162 | |
---|
| 163 | !!====================================================================== |
---|
| 164 | END MODULE trcbdy |
---|