[643] | 1 | MODULE dynadv |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE dynadv *** |
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| 4 | !! Ocean active tracers: advection scheme control |
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| 5 | !!============================================================================== |
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[2528] | 6 | !! History : 1.0 ! 2006-11 (G. Madec) Original code |
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| 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[643] | 8 | !!---------------------------------------------------------------------- |
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| 9 | |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! dyn_adv : compute the momentum advection trend |
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[2528] | 12 | !! dyn_adv_init : control the different options of advection scheme |
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[643] | 13 | !!---------------------------------------------------------------------- |
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| 14 | USE dom_oce ! ocean space and time domain |
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| 15 | USE in_out_manager ! I/O manager |
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| 16 | |
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| 17 | USE dynadv_cen2 ! centred flux form advection (dyn_adv_cen2 routine) |
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| 18 | USE dynadv_ubs ! UBS flux form advection (dyn_adv_ubs routine) |
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| 19 | USE dynkeg ! kinetic energy gradient (dyn_keg routine) |
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| 20 | USE dynzad ! vertical advection (dyn_zad routine) |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | PRIVATE |
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| 24 | |
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[2528] | 25 | PUBLIC dyn_adv ! routine called by step module |
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| 26 | PUBLIC dyn_adv_init ! routine called by opa module |
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[643] | 27 | |
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[2528] | 28 | LOGICAL, PUBLIC :: ln_dynadv_vec = .TRUE. !: vector form flag |
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| 29 | LOGICAL, PUBLIC :: ln_dynadv_cen2 = .FALSE. !: flux form - 2nd order centered scheme flag |
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| 30 | LOGICAL, PUBLIC :: ln_dynadv_ubs = .FALSE. !: flux form - 3rd order UBS scheme flag |
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[643] | 31 | |
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| 32 | INTEGER :: nadv ! choice of the formulation and scheme for the advection |
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| 33 | |
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| 34 | !! * Substitutions |
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| 35 | # include "domzgr_substitute.h90" |
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| 36 | # include "vectopt_loop_substitute.h90" |
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| 37 | !!---------------------------------------------------------------------- |
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[2528] | 38 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 39 | !! $Id$ |
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[2625] | 40 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[643] | 41 | !!---------------------------------------------------------------------- |
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| 42 | CONTAINS |
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| 43 | |
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| 44 | SUBROUTINE dyn_adv( kt ) |
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| 45 | !!--------------------------------------------------------------------- |
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| 46 | !! *** ROUTINE dyn_adv *** |
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| 47 | !! |
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| 48 | !! ** Purpose : compute the ocean momentum advection trend. |
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| 49 | !! |
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| 50 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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| 51 | !! NB: in flux form advection (ln_dynadv_cen2 or ln_dynadv_ubs=T) |
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| 52 | !! a metric term is add to the coriolis term while in vector form |
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| 53 | !! it is the relative vorticity which is added to coriolis term |
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| 54 | !! (see dynvor module). |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 57 | !!---------------------------------------------------------------------- |
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| 58 | ! |
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[2625] | 59 | SELECT CASE ( nadv ) ! compute advection trend and add it to general trend |
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[645] | 60 | CASE ( 0 ) |
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| 61 | CALL dyn_keg ( kt ) ! vector form : horizontal gradient of kinetic energy |
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| 62 | CALL dyn_zad ( kt ) ! vector form : vertical advection |
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| 63 | CASE ( 1 ) |
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| 64 | CALL dyn_adv_cen2( kt ) ! 2nd order centered scheme |
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| 65 | CASE ( 2 ) |
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| 66 | CALL dyn_adv_ubs ( kt ) ! 3rd order UBS scheme |
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[643] | 67 | ! |
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[645] | 68 | CASE (-1 ) ! esopa: test all possibility with control print |
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| 69 | CALL dyn_keg ( kt ) |
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| 70 | CALL dyn_zad ( kt ) |
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| 71 | CALL dyn_adv_cen2( kt ) |
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| 72 | CALL dyn_adv_ubs ( kt ) |
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| 73 | END SELECT |
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| 74 | ! |
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[643] | 75 | END SUBROUTINE dyn_adv |
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| 76 | |
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| 77 | |
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[2528] | 78 | SUBROUTINE dyn_adv_init |
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[643] | 79 | !!--------------------------------------------------------------------- |
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[2528] | 80 | !! *** ROUTINE dyn_adv_init *** |
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[643] | 81 | !! |
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| 82 | !! ** Purpose : Control the consistency between namelist options for |
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| 83 | !! momentum advection formulation & scheme and set nadv |
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| 84 | !!---------------------------------------------------------------------- |
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| 85 | INTEGER :: ioptio |
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[2528] | 86 | !! |
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[1601] | 87 | NAMELIST/namdyn_adv/ ln_dynadv_vec, ln_dynadv_cen2 , ln_dynadv_ubs |
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[643] | 88 | !!---------------------------------------------------------------------- |
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| 89 | |
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[1601] | 90 | REWIND ( numnam ) ! Read Namelist namdyn_adv : momentum advection scheme |
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| 91 | READ ( numnam, namdyn_adv ) |
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[643] | 92 | |
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| 93 | IF(lwp) THEN ! Namelist print |
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| 94 | WRITE(numout,*) |
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[2528] | 95 | WRITE(numout,*) 'dyn_adv_init : choice/control of the momentum advection scheme' |
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[643] | 96 | WRITE(numout,*) '~~~~~~~~~~~' |
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[1601] | 97 | WRITE(numout,*) ' Namelist namdyn_adv : chose a advection formulation & scheme for momentum' |
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[643] | 98 | WRITE(numout,*) ' Vector/flux form (T/F) ln_dynadv_vec = ', ln_dynadv_vec |
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| 99 | WRITE(numout,*) ' 2nd order centred advection scheme ln_dynadv_cen2 = ', ln_dynadv_cen2 |
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| 100 | WRITE(numout,*) ' 3rd order UBS advection scheme ln_dynadv_ubs = ', ln_dynadv_ubs |
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| 101 | ENDIF |
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| 102 | |
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| 103 | ioptio = 0 ! Parameter control |
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| 104 | IF( ln_dynadv_vec ) ioptio = ioptio + 1 |
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| 105 | IF( ln_dynadv_cen2 ) ioptio = ioptio + 1 |
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| 106 | IF( ln_dynadv_ubs ) ioptio = ioptio + 1 |
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| 107 | IF( lk_esopa ) ioptio = 1 |
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| 108 | |
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[1601] | 109 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist namdyn_adv' ) |
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[643] | 110 | |
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| 111 | ! ! Set nadv |
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| 112 | IF( ln_dynadv_vec ) nadv = 0 |
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| 113 | IF( ln_dynadv_cen2 ) nadv = 1 |
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| 114 | IF( ln_dynadv_ubs ) nadv = 2 |
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| 115 | IF( lk_esopa ) nadv = -1 |
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| 116 | |
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| 117 | IF(lwp) THEN ! Print the choice |
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| 118 | WRITE(numout,*) |
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| 119 | IF( nadv == 0 ) WRITE(numout,*) ' vector form : keg + zad + vor is used' |
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| 120 | IF( nadv == 1 ) WRITE(numout,*) ' flux form : 2nd order scheme is used' |
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| 121 | IF( nadv == 2 ) WRITE(numout,*) ' flux form : UBS scheme is used' |
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| 122 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection formulation' |
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| 123 | ENDIF |
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| 124 | ! |
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[2528] | 125 | END SUBROUTINE dyn_adv_init |
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[643] | 126 | |
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| 127 | !!====================================================================== |
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| 128 | END MODULE dynadv |
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