| 1 | MODULE dynstcor |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynstcor *** |
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| 4 | !! Ocean dynamics: Stokes-Coriolis effect. |
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| 5 | !! |
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| 6 | !!====================================================================== |
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| 7 | !! History : 0.1 ! 2012-10 (Oyvind Breivik) |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! dyn_stcor : Add the Stokes-Coriolis forcing to the momentum equation |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | USE oce ! ocean dynamics and tracers |
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| 12 | USE dom_oce ! ocean space and time domain |
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| 13 | USE in_out_manager ! I/O manager |
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| 14 | USE lib_mpp ! distributed memory computing |
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| 15 | USE prtctl ! Print control |
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| 16 | USE phycst |
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| 17 | USE lbclnk |
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| 18 | USE wrk_nemo ! Memory Allocation |
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| 19 | USE sbcmod ! Access to ln_stcor (sbc_oce) and wave parameters (sbc_wave) |
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| 20 | USE sbcwave ! Wave module |
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| 21 | USE timing ! Timing |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | !! * Routine accessibility |
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| 27 | PUBLIC dyn_stcor ! routine called by step.F90 |
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| 28 | |
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| 29 | !! * Substitutions |
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| 30 | # include "vectopt_loop_substitute.h90" |
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| 31 | !!---------------------------------------------------------------------- |
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| 32 | !! NEMO/OPA 3.6 , NEMO Consortium (2010) |
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| 33 | !! $Id:$ |
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| 34 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | CONTAINS |
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| 37 | |
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| 38 | SUBROUTINE dyn_stcor( kt ) |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | !! *** ROUTINE dyn_stcor *** |
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| 41 | !! |
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| 42 | !! ** Purpose: Add Stokes-Coriolis forcing to horizontal momentum equation. |
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| 43 | !! |
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| 44 | !! ** History: 3.4 ! 2012-10 (O. Breivik) Initial version |
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| 45 | !! 3.6 ! 2014-10 (R. Benshila) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 48 | !! |
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| 49 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 50 | REAL(wp) :: zx1, zx2, zy1, zy2 |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | ! |
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| 53 | IF( nn_timing == 1 ) CALL timing_start('dyn_stcor') |
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| 54 | ! |
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| 55 | IF( kt == nit000 ) THEN |
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| 56 | IF(lwp) WRITE(numout,*) |
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| 57 | IF(lwp) WRITE(numout,*) 'dyn_stcor : time stepping' |
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| 58 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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| 59 | ENDIF |
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| 60 | |
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| 61 | ! |
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| 62 | ! Update velocity tendencies ua, va by adding the Stokes-Coriolis velocities |
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| 63 | ! |
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| 64 | DO jk = 1, jpkm1 |
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| 65 | DO jj = 2, jpjm1 |
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| 66 | DO ji = 2, jpim1 |
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| 67 | zy1 = ff_f(ji ,jj-1) * ( vsd3d(ji ,jj-1,jk) + vsd3d(ji+1,jj-1,jk) ) |
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| 68 | zy2 = ff_f(ji ,jj ) * ( vsd3d(ji ,jj ,jk) + vsd3d(ji+1,jj ,jk) ) |
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| 69 | zx1 = ff_f(ji-1,jj ) * ( usd3d(ji-1,jj ,jk) + usd3d(ji-1,jj+1,jk) ) |
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| 70 | zx2 = ff_f(ji ,jj ) * ( usd3d(ji ,jj ,jk) + usd3d(ji ,jj+1,jk) ) |
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| 71 | |
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| 72 | ua(ji,jj,jk) = ua(ji,jj,jk) + 0.25 * ( zy1 + zy2 ) *umask(ji,jj,jk) |
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| 73 | va(ji,jj,jk) = va(ji,jj,jk) - 0.25 * ( zx1 + zx2 ) *vmask(ji,jj,jk) |
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| 74 | ENDDO |
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| 75 | ENDDO |
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| 76 | ENDDO |
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| 77 | ! |
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| 78 | IF( nn_timing == 1 ) CALL timing_stop('dyn_stcor') |
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| 79 | ! |
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| 80 | END SUBROUTINE dyn_stcor |
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| 81 | |
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| 82 | END MODULE dynstcor |
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