[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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[5322] | 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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| 8 | !! 3.6 ! 2015-05 (N. Ducousso, G. Madec) add Hollingsworth scheme as an option |
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[643] | 9 | !!---------------------------------------------------------------------- |
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| 10 | |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! dyn_adv : compute the momentum advection trend |
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[2528] | 13 | !! dyn_adv_init : control the different options of advection scheme |
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[643] | 14 | !!---------------------------------------------------------------------- |
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| 15 | USE dom_oce ! ocean space and time domain |
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| 16 | USE dynadv_cen2 ! centred flux form advection (dyn_adv_cen2 routine) |
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| 17 | USE dynadv_ubs ! UBS flux form advection (dyn_adv_ubs routine) |
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| 18 | USE dynkeg ! kinetic energy gradient (dyn_keg routine) |
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| 19 | USE dynzad ! vertical advection (dyn_zad routine) |
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[5322] | 20 | ! |
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[2715] | 21 | USE in_out_manager ! I/O manager |
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| 22 | USE lib_mpp ! MPP library |
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[3294] | 23 | USE timing ! Timing |
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[643] | 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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[2528] | 28 | PUBLIC dyn_adv ! routine called by step module |
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[5322] | 29 | PUBLIC dyn_adv_init ! routine called by opa module |
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[643] | 30 | |
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[5322] | 31 | ! !* namdyn_adv namelist * |
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[4147] | 32 | LOGICAL, PUBLIC :: ln_dynadv_vec !: vector form flag |
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[5322] | 33 | INTEGER, PUBLIC :: nn_dynkeg !: scheme of kinetic energy gradient: =0 C2 ; =1 Hollingsworth |
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[4147] | 34 | LOGICAL, PUBLIC :: ln_dynadv_cen2 !: flux form - 2nd order centered scheme flag |
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| 35 | LOGICAL, PUBLIC :: ln_dynadv_ubs !: flux form - 3rd order UBS scheme flag |
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[4990] | 36 | LOGICAL, PUBLIC :: ln_dynzad_zts !: vertical advection with sub-timestepping (requires vector form) |
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[643] | 37 | |
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| 38 | INTEGER :: nadv ! choice of the formulation and scheme for the advection |
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| 39 | |
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| 40 | !! * Substitutions |
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| 41 | # include "domzgr_substitute.h90" |
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| 42 | # include "vectopt_loop_substitute.h90" |
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| 43 | !!---------------------------------------------------------------------- |
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[5322] | 44 | !! NEMO/OPA 3.6 , NEMO Consortium (2015) |
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[2528] | 45 | !! $Id$ |
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[2715] | 46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[643] | 47 | !!---------------------------------------------------------------------- |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | SUBROUTINE dyn_adv( kt ) |
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| 51 | !!--------------------------------------------------------------------- |
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| 52 | !! *** ROUTINE dyn_adv *** |
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| 53 | !! |
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| 54 | !! ** Purpose : compute the ocean momentum advection trend. |
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| 55 | !! |
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| 56 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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| 57 | !! NB: in flux form advection (ln_dynadv_cen2 or ln_dynadv_ubs=T) |
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| 58 | !! a metric term is add to the coriolis term while in vector form |
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| 59 | !! it is the relative vorticity which is added to coriolis term |
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| 60 | !! (see dynvor module). |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 63 | !!---------------------------------------------------------------------- |
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| 64 | ! |
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[3294] | 65 | IF( nn_timing == 1 ) CALL timing_start('dyn_adv') |
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| 66 | ! |
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[2715] | 67 | SELECT CASE ( nadv ) ! compute advection trend and add it to general trend |
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[645] | 68 | CASE ( 0 ) |
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[5322] | 69 | CALL dyn_keg ( kt, nn_dynkeg ) ! vector form : horizontal gradient of kinetic energy |
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| 70 | CALL dyn_zad ( kt ) ! vector form : vertical advection |
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[4990] | 71 | CASE ( 1 ) |
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[5322] | 72 | CALL dyn_keg ( kt, nn_dynkeg ) ! vector form : horizontal gradient of kinetic energy |
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| 73 | CALL dyn_zad_zts ( kt ) ! vector form : vertical advection with sub-timestepping |
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[4990] | 74 | CASE ( 2 ) |
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[5322] | 75 | CALL dyn_adv_cen2( kt ) ! 2nd order centered scheme |
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[4990] | 76 | CASE ( 3 ) |
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[5322] | 77 | CALL dyn_adv_ubs ( kt ) ! 3rd order UBS scheme |
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[643] | 78 | ! |
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[5322] | 79 | CASE (-1 ) ! esopa: test all possibility with control print |
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| 80 | CALL dyn_keg ( kt, nn_dynkeg ) |
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[645] | 81 | CALL dyn_zad ( kt ) |
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| 82 | CALL dyn_adv_cen2( kt ) |
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| 83 | CALL dyn_adv_ubs ( kt ) |
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| 84 | END SELECT |
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| 85 | ! |
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[3294] | 86 | IF( nn_timing == 1 ) CALL timing_stop('dyn_adv') |
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| 87 | ! |
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[643] | 88 | END SUBROUTINE dyn_adv |
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| 89 | |
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| 90 | |
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[2528] | 91 | SUBROUTINE dyn_adv_init |
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[643] | 92 | !!--------------------------------------------------------------------- |
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[2528] | 93 | !! *** ROUTINE dyn_adv_init *** |
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[643] | 94 | !! |
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| 95 | !! ** Purpose : Control the consistency between namelist options for |
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| 96 | !! momentum advection formulation & scheme and set nadv |
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| 97 | !!---------------------------------------------------------------------- |
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[5322] | 98 | INTEGER :: ioptio, ios ! Local integer |
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| 99 | ! |
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| 100 | NAMELIST/namdyn_adv/ ln_dynadv_vec, nn_dynkeg, ln_dynadv_cen2 , ln_dynadv_ubs, ln_dynzad_zts |
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[643] | 101 | !!---------------------------------------------------------------------- |
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[5322] | 102 | ! |
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[4147] | 103 | REWIND( numnam_ref ) ! Namelist namdyn_adv in reference namelist : Momentum advection scheme |
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| 104 | READ ( numnam_ref, namdyn_adv, IOSTAT = ios, ERR = 901) |
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| 105 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_adv in reference namelist', lwp ) |
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[643] | 106 | |
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[4147] | 107 | REWIND( numnam_cfg ) ! Namelist namdyn_adv in configuration namelist : Momentum advection scheme |
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| 108 | READ ( numnam_cfg, namdyn_adv, IOSTAT = ios, ERR = 902 ) |
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| 109 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_adv in configuration namelist', lwp ) |
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[4624] | 110 | IF(lwm) WRITE ( numond, namdyn_adv ) |
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[4147] | 111 | |
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[643] | 112 | IF(lwp) THEN ! Namelist print |
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| 113 | WRITE(numout,*) |
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[2528] | 114 | WRITE(numout,*) 'dyn_adv_init : choice/control of the momentum advection scheme' |
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[643] | 115 | WRITE(numout,*) '~~~~~~~~~~~' |
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[1601] | 116 | WRITE(numout,*) ' Namelist namdyn_adv : chose a advection formulation & scheme for momentum' |
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[5322] | 117 | WRITE(numout,*) ' Vector/flux form (T/F) ln_dynadv_vec = ', ln_dynadv_vec |
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| 118 | WRITE(numout,*) ' = 0 standard scheme ; =1 Hollingsworth scheme nn_dynkeg = ', nn_dynkeg |
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| 119 | WRITE(numout,*) ' 2nd order centred advection scheme ln_dynadv_cen2 = ', ln_dynadv_cen2 |
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| 120 | WRITE(numout,*) ' 3rd order UBS advection scheme ln_dynadv_ubs = ', ln_dynadv_ubs |
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| 121 | WRITE(numout,*) ' Sub timestepping of vertical advection ln_dynzad_zts = ', ln_dynzad_zts |
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[643] | 122 | ENDIF |
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| 123 | |
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| 124 | ioptio = 0 ! Parameter control |
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| 125 | IF( ln_dynadv_vec ) ioptio = ioptio + 1 |
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| 126 | IF( ln_dynadv_cen2 ) ioptio = ioptio + 1 |
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| 127 | IF( ln_dynadv_ubs ) ioptio = ioptio + 1 |
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| 128 | IF( lk_esopa ) ioptio = 1 |
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| 129 | |
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[1601] | 130 | IF( ioptio /= 1 ) CALL ctl_stop( 'Choose ONE advection scheme in namelist namdyn_adv' ) |
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[4990] | 131 | IF( ln_dynzad_zts .AND. .NOT. ln_dynadv_vec ) & |
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[5322] | 132 | CALL ctl_stop( 'Sub timestepping of vertical advection requires vector form; set ln_dynadv_vec = .TRUE.' ) |
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| 133 | IF( nn_dynkeg /= nkeg_C2 .AND. nn_dynkeg /= nkeg_HW ) & |
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| 134 | CALL ctl_stop( 'KEG scheme wrong value of nn_dynkeg' ) |
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[643] | 135 | |
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| 136 | ! ! Set nadv |
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| 137 | IF( ln_dynadv_vec ) nadv = 0 |
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[4990] | 138 | IF( ln_dynzad_zts ) nadv = 1 |
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| 139 | IF( ln_dynadv_cen2 ) nadv = 2 |
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| 140 | IF( ln_dynadv_ubs ) nadv = 3 |
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[643] | 141 | IF( lk_esopa ) nadv = -1 |
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| 142 | |
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| 143 | IF(lwp) THEN ! Print the choice |
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| 144 | WRITE(numout,*) |
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[5322] | 145 | IF( nadv == 0 ) WRITE(numout,*) ' vector form : keg + zad + vor is used' |
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[4990] | 146 | IF( nadv == 1 ) WRITE(numout,*) ' vector form : keg + zad_zts + vor is used' |
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[5322] | 147 | IF( nadv == 0 .OR. nadv == 1 ) THEN |
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| 148 | IF( nn_dynkeg == nkeg_C2 ) WRITE(numout,*) 'with Centered standard keg scheme' |
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| 149 | IF( nn_dynkeg == nkeg_HW ) WRITE(numout,*) 'with Hollingsworth keg scheme' |
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| 150 | ENDIF |
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[4990] | 151 | IF( nadv == 2 ) WRITE(numout,*) ' flux form : 2nd order scheme is used' |
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| 152 | IF( nadv == 3 ) WRITE(numout,*) ' flux form : UBS scheme is used' |
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[643] | 153 | IF( nadv == -1 ) WRITE(numout,*) ' esopa test: use all advection formulation' |
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| 154 | ENDIF |
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| 155 | ! |
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[2528] | 156 | END SUBROUTINE dyn_adv_init |
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[643] | 157 | |
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| 158 | !!====================================================================== |
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| 159 | END MODULE dynadv |
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