[12] | 1 | MODULE timeloop_gcm_mod |
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[151] | 2 | USE transfert_mod |
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| 3 | USE icosa |
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[133] | 4 | PRIVATE |
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[12] | 5 | |
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[151] | 6 | PUBLIC :: init_timeloop, timeloop |
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[133] | 7 | |
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| 8 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3 |
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[148] | 9 | INTEGER :: itau_sync=10 |
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[133] | 10 | |
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[162] | 11 | TYPE(t_message) :: req_ps0, req_mass0, req_theta_rhodz0, req_u0, req_q0 |
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[151] | 12 | |
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| 13 | TYPE(t_field),POINTER :: f_q(:) |
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[159] | 14 | TYPE(t_field),POINTER :: f_rhodz(:), f_mass(:), f_massm1(:), f_massm2(:), f_dmass(:) |
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| 15 | TYPE(t_field),POINTER :: f_phis(:), f_ps(:),f_psm1(:), f_psm2(:), f_dps(:) |
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| 16 | TYPE(t_field),POINTER :: f_u(:),f_um1(:),f_um2(:), f_du(:) |
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| 17 | TYPE(t_field),POINTER :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:), f_dtheta_rhodz(:) |
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[151] | 18 | TYPE(t_field),POINTER :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
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| 19 | |
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| 20 | INTEGER :: nb_stage, matsuno_period, scheme |
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| 21 | |
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| 22 | REAL(rstd),SAVE :: jD_cur, jH_cur |
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| 23 | REAL(rstd),SAVE :: start_time |
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| 24 | |
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[12] | 25 | CONTAINS |
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| 26 | |
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[151] | 27 | SUBROUTINE init_timeloop |
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[19] | 28 | USE icosa |
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[15] | 29 | USE dissip_gcm_mod |
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[17] | 30 | USE caldyn_mod |
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[12] | 31 | USE etat0_mod |
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[159] | 32 | USE disvert_mod |
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[17] | 33 | USE guided_mod |
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| 34 | USE advect_tracer_mod |
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[81] | 35 | USE physics_mod |
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[131] | 36 | USE mpipara |
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[151] | 37 | USE omp_para |
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[145] | 38 | USE trace |
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[148] | 39 | USE transfert_mod |
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[151] | 40 | USE check_conserve_mod |
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| 41 | USE ioipsl |
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[12] | 42 | IMPLICIT NONE |
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| 43 | |
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[159] | 44 | CHARACTER(len=255) :: def |
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[17] | 45 | |
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[149] | 46 | !---------------------------------------------------- |
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| 47 | IF (TRIM(time_style)=='lmd') Then |
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| 48 | |
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| 49 | day_step=180 |
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| 50 | CALL getin('day_step',day_step) |
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| 51 | |
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| 52 | ndays=1 |
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| 53 | CALL getin('ndays',ndays) |
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| 54 | |
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| 55 | dt = daysec/REAL(day_step) |
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| 56 | itaumax = ndays*day_step |
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| 57 | |
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| 58 | calend = 'earth_360d' |
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| 59 | CALL getin('calend', calend) |
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| 60 | |
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| 61 | day_ini = 0 |
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| 62 | CALL getin('day_ini',day_ini) |
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| 63 | |
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| 64 | day_end = 0 |
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| 65 | CALL getin('day_end',day_end) |
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| 66 | |
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| 67 | annee_ref = 1998 |
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| 68 | CALL getin('annee_ref',annee_ref) |
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| 69 | |
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| 70 | start_time = 0 |
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| 71 | CALL getin('start_time',start_time) |
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| 72 | |
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| 73 | write_period=0 |
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| 74 | CALL getin('write_period',write_period) |
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| 75 | |
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| 76 | write_period=write_period/scale_factor |
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| 77 | itau_out=FLOOR(write_period/dt) |
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| 78 | |
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| 79 | PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
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| 80 | |
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| 81 | mois = 1 ; heure = 0. |
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| 82 | call ymds2ju(annee_ref, mois, day_ref, heure, jD_ref) |
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| 83 | jH_ref = jD_ref - int(jD_ref) |
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| 84 | jD_ref = int(jD_ref) |
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| 85 | |
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| 86 | CALL ioconf_startdate(INT(jD_ref),jH_ref) |
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| 87 | write(*,*)'annee_ref, mois, day_ref, heure, jD_ref' |
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| 88 | write(*,*)annee_ref, mois, day_ref, heure, jD_ref |
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| 89 | write(*,*)"ndays,day_step,itaumax,dt======>" |
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| 90 | write(*,*)ndays,day_step,itaumax,dt |
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| 91 | call ju2ymds(jD_ref+jH_ref,an, mois, jour, heure) |
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| 92 | write(*,*)'jD_ref+jH_ref,an, mois, jour, heure' |
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| 93 | write(*,*)jD_ref+jH_ref,an, mois, jour, heure |
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| 94 | day_end = day_ini + ndays |
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| 95 | END IF |
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| 96 | !---------------------------------------------------- |
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| 97 | |
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[129] | 98 | |
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[159] | 99 | def='eta_mass' |
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| 100 | CALL getin('caldyn_eta',def) |
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| 101 | SELECT CASE(TRIM(def)) |
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| 102 | CASE('eta_mass') |
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| 103 | caldyn_eta=eta_mass |
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| 104 | CASE('eta_lag') |
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| 105 | caldyn_eta=eta_lag |
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| 106 | CASE DEFAULT |
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| 107 | IF (is_mpi_root) PRINT *,'Bad selector for variable caldyn_eta : <', TRIM(def),'> options are <eta_mass>, <eta_lag>' |
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| 108 | STOP |
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| 109 | END SELECT |
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| 110 | IF (is_mpi_root) PRINT *, 'caldyn_eta=',TRIM(def), caldyn_eta, eta_lag, eta_mass |
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[151] | 111 | |
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[159] | 112 | ! Time-independant orography |
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| 113 | CALL allocate_field(f_phis,field_t,type_real,name='phis') |
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| 114 | ! Trends |
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| 115 | CALL allocate_field(f_du,field_u,type_real,llm,name='du') |
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| 116 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm,name='dtheta_rhodz') |
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| 117 | ! Model state at current time step (RK/MLF/Euler) |
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| 118 | CALL allocate_field(f_ps,field_t,type_real, name='ps') |
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| 119 | CALL allocate_field(f_mass,field_t,type_real,llm,name='mass') |
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| 120 | CALL allocate_field(f_u,field_u,type_real,llm,name='u') |
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| 121 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm,name='theta_rhodz') |
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| 122 | ! Model state at previous time step (RK/MLF) |
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| 123 | CALL allocate_field(f_um1,field_u,type_real,llm,name='um1') |
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| 124 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm,name='theta_rhodzm1') |
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| 125 | ! Tracers |
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| 126 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot) |
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| 127 | CALL allocate_field(f_rhodz,field_t,type_real,llm,name='rhodz') |
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| 128 | ! Mass fluxes |
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| 129 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
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| 130 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
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| 131 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! vertical mass fluxes |
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[162] | 132 | CALL allocate_field(f_dmass,field_t,type_real,llm, name='dmass') |
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[151] | 133 | |
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[159] | 134 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
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| 135 | CALL allocate_field(f_dps,field_t,type_real,name='dps') |
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| 136 | CALL allocate_field(f_psm1,field_t,type_real,name='psm1') |
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| 137 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1,name='wfluxt') |
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| 138 | ! the following are unused but must point to something |
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[162] | 139 | ! f_massm1 => f_mass |
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[159] | 140 | ELSE ! eta = Lagrangian vertical coordinate |
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[162] | 141 | CALL allocate_field(f_massm1,field_t,type_real,llm, name='massm1') |
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[159] | 142 | ! the following are unused but must point to something |
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| 143 | f_wfluxt => f_wflux |
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| 144 | f_dps => f_phis |
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| 145 | f_psm1 => f_phis |
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| 146 | END IF |
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[151] | 147 | |
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[159] | 148 | def='runge_kutta' |
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| 149 | CALL getin('scheme',def) |
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| 150 | |
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| 151 | SELECT CASE (TRIM(def)) |
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[151] | 152 | CASE('euler') |
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| 153 | scheme=euler |
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| 154 | nb_stage=1 |
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| 155 | CASE ('runge_kutta') |
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| 156 | scheme=rk4 |
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| 157 | nb_stage=4 |
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| 158 | CASE ('leapfrog_matsuno') |
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| 159 | scheme=mlf |
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| 160 | matsuno_period=5 |
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| 161 | CALL getin('matsuno_period',matsuno_period) |
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| 162 | nb_stage=matsuno_period+1 |
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[129] | 163 | ! Model state 2 time steps ago (MLF) |
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[151] | 164 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
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| 165 | CALL allocate_field(f_um2,field_u,type_real,llm) |
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[159] | 166 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
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| 167 | CALL allocate_field(f_psm2,field_t,type_real) |
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| 168 | ! the following are unused but must point to something |
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| 169 | f_massm2 => f_mass |
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| 170 | ELSE ! eta = Lagrangian vertical coordinate |
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| 171 | CALL allocate_field(f_massm2,field_t,type_real,llm) |
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| 172 | ! the following are unused but must point to something |
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| 173 | f_psm2 => f_phis |
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| 174 | END IF |
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| 175 | |
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[151] | 176 | CASE default |
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[159] | 177 | PRINT*,'Bad selector for variable scheme : <', TRIM(def), & |
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[151] | 178 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
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| 179 | STOP |
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| 180 | END SELECT |
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| 181 | |
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| 182 | |
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| 183 | CALL init_dissip |
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| 184 | CALL init_caldyn |
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| 185 | CALL init_guided |
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| 186 | CALL init_advect_tracer |
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| 187 | CALL init_check_conserve |
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| 188 | CALL init_physics |
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[159] | 189 | CALL etat0(f_ps,f_mass,f_phis,f_theta_rhodz,f_u, f_q) |
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[151] | 190 | |
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| 191 | CALL transfert_request(f_phis,req_i0) |
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| 192 | CALL transfert_request(f_phis,req_i1) |
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| 193 | CALL writefield("phis",f_phis,once=.TRUE.) |
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| 194 | |
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| 195 | CALL init_message(f_ps,req_i0,req_ps0) |
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[162] | 196 | CALL init_message(f_mass,req_i0,req_mass0) |
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[151] | 197 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
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| 198 | CALL init_message(f_u,req_e0_vect,req_u0) |
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| 199 | CALL init_message(f_q,req_i0,req_q0) |
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| 200 | |
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| 201 | END SUBROUTINE init_timeloop |
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[12] | 202 | |
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[151] | 203 | SUBROUTINE timeloop |
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| 204 | USE icosa |
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| 205 | USE dissip_gcm_mod |
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[159] | 206 | USE disvert_mod |
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[151] | 207 | USE caldyn_mod |
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[162] | 208 | USE caldyn_gcm_mod, ONLY : req_ps, req_mass |
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[151] | 209 | USE etat0_mod |
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| 210 | USE guided_mod |
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| 211 | USE advect_tracer_mod |
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| 212 | USE physics_mod |
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| 213 | USE mpipara |
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| 214 | USE omp_para |
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| 215 | USE trace |
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| 216 | USE transfert_mod |
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| 217 | USE check_conserve_mod |
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| 218 | IMPLICIT NONE |
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| 219 | REAL(rstd),POINTER :: q(:,:,:) |
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[159] | 220 | REAL(rstd),POINTER :: phis(:), ps(:) ,psm1(:), psm2(:), dps(:) |
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| 221 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:), du(:,:) |
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| 222 | REAL(rstd),POINTER :: rhodz(:,:), mass(:,:), massm1(:,:), massm2(:,:), dmass(:,:) |
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| 223 | REAL(rstd),POINTER :: theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:), dtheta_rhodz(:,:) |
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[151] | 224 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
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[12] | 225 | |
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[151] | 226 | INTEGER :: ind |
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| 227 | INTEGER :: it,i,j,n, stage |
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| 228 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
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| 229 | LOGICAL, PARAMETER :: check=.FALSE. |
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[50] | 230 | |
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[159] | 231 | CALL caldyn_BC(f_phis, f_wflux) ! set constant values in first/last interfaces |
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[157] | 232 | |
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[151] | 233 | !$OMP BARRIER |
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[133] | 234 | DO ind=1,ndomain |
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| 235 | CALL swap_dimensions(ind) |
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| 236 | CALL swap_geometry(ind) |
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[162] | 237 | rhodz=f_rhodz(ind); mass=f_mass(ind); ps=f_ps(ind) |
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| 238 | IF(caldyn_eta==eta_mass) THEN |
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| 239 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
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| 240 | ELSE |
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| 241 | rhodz(:,:)=mass(:,:) |
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| 242 | END IF |
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[133] | 243 | END DO |
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[138] | 244 | fluxt_zero=.TRUE. |
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[132] | 245 | |
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[12] | 246 | DO it=0,itaumax |
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[148] | 247 | IF (MOD(it,itau_sync)==0) THEN |
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[151] | 248 | CALL send_message(f_ps,req_ps0) |
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[162] | 249 | CALL send_message(f_mass,req_mass0) |
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[151] | 250 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
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| 251 | CALL send_message(f_u,req_u0) |
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| 252 | CALL send_message(f_q,req_q0) |
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| 253 | CALL wait_message(req_ps0) |
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[162] | 254 | CALL wait_message(req_mass0) |
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[151] | 255 | CALL wait_message(req_theta_rhodz0) |
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| 256 | CALL wait_message(req_u0) |
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| 257 | CALL wait_message(req_q0) |
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[148] | 258 | ENDIF |
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| 259 | |
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[151] | 260 | ! IF (is_mpi_root) PRINT *,"It No :",It," t :",dt*It |
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[63] | 261 | IF (mod(it,itau_out)==0 ) THEN |
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[151] | 262 | CALL writefield("q",f_q) |
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[81] | 263 | CALL update_time_counter(dt*it) |
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[151] | 264 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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[63] | 265 | ENDIF |
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[151] | 266 | |
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| 267 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
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[129] | 268 | |
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| 269 | DO stage=1,nb_stage |
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| 270 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
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[159] | 271 | f_phis,f_ps,f_mass,f_theta_rhodz,f_u, f_q, & |
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[162] | 272 | f_hflux, f_wflux, f_dps, f_dmass, f_dtheta_rhodz, f_du) |
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[133] | 273 | SELECT CASE (scheme) |
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| 274 | CASE(euler) |
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| 275 | CALL euler_scheme(.TRUE.) |
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| 276 | CASE (rk4) |
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[129] | 277 | CALL rk_scheme(stage) |
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[133] | 278 | CASE (mlf) |
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[129] | 279 | CALL leapfrog_matsuno_scheme(stage) |
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[133] | 280 | CASE DEFAULT |
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[129] | 281 | STOP |
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| 282 | END SELECT |
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| 283 | END DO |
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[130] | 284 | |
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[148] | 285 | IF (MOD(it+1,itau_dissip)==0) THEN |
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| 286 | CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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| 287 | CALL euler_scheme(.FALSE.) |
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| 288 | ENDIF |
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[130] | 289 | |
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[133] | 290 | IF(MOD(it+1,itau_adv)==0) THEN |
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[138] | 291 | |
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[135] | 292 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
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[134] | 293 | fluxt_zero=.TRUE. |
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[138] | 294 | |
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| 295 | ! FIXME : check that rhodz is consistent with ps |
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[148] | 296 | IF (check) THEN |
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| 297 | DO ind=1,ndomain |
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| 298 | CALL swap_dimensions(ind) |
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| 299 | CALL swap_geometry(ind) |
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[151] | 300 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
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[148] | 301 | CALL compute_rhodz(.FALSE., ps, rhodz) |
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| 302 | END DO |
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| 303 | ENDIF |
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[151] | 304 | |
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[133] | 305 | END IF |
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[151] | 306 | |
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| 307 | |
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| 308 | |
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[149] | 309 | !---------------------------------------------------- |
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[151] | 310 | ! jD_cur = jD_ref + day_ini - day_ref + it/day_step |
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| 311 | ! jH_cur = jH_ref + start_time + mod(it,day_step)/float(day_step) |
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| 312 | ! jD_cur = jD_cur + int(jH_cur) |
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| 313 | ! jH_cur = jH_cur - int(jH_cur) |
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| 314 | ! CALL physics(it,jD_cur,jH_cur,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
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| 315 | |
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[124] | 316 | ! CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
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[129] | 317 | ENDDO |
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[151] | 318 | |
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[129] | 319 | |
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[12] | 320 | CONTAINS |
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| 321 | |
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[130] | 322 | SUBROUTINE Euler_scheme(with_dps) |
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[12] | 323 | IMPLICIT NONE |
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[130] | 324 | LOGICAL :: with_dps |
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| 325 | INTEGER :: ind |
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[148] | 326 | INTEGER :: i,j,ij,l |
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[145] | 327 | CALL trace_start("Euler_scheme") |
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| 328 | |
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[130] | 329 | DO ind=1,ndomain |
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[138] | 330 | CALL swap_dimensions(ind) |
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| 331 | CALL swap_geometry(ind) |
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[148] | 332 | |
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[162] | 333 | IF(with_dps) THEN ! update ps/mass |
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| 334 | IF(caldyn_eta==eta_mass) THEN ! update ps |
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| 335 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
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| 336 | IF (omp_first) THEN |
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| 337 | DO j=jj_begin,jj_end |
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| 338 | DO i=ii_begin,ii_end |
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| 339 | ij=(j-1)*iim+i |
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| 340 | ps(ij)=ps(ij)+dt*dps(ij) |
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| 341 | ENDDO |
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| 342 | ENDDO |
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| 343 | ENDIF |
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| 344 | ELSE ! update mass |
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| 345 | mass=f_mass(ind) ; dmass=f_dmass(ind) ; |
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| 346 | DO l=1,llm |
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| 347 | DO j=jj_begin,jj_end |
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| 348 | DO i=ii_begin,ii_end |
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| 349 | ij=(j-1)*iim+i |
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| 350 | mass(ij,l)=mass(ij,l)+dt*dmass(ij,l) |
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| 351 | ENDDO |
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| 352 | ENDDO |
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| 353 | END DO |
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| 354 | END IF |
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| 355 | |
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| 356 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
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| 357 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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| 358 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
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| 359 | END IF ! update ps/mass |
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[148] | 360 | |
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[130] | 361 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 362 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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[148] | 363 | |
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[151] | 364 | DO l=ll_begin,ll_end |
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[148] | 365 | DO j=jj_begin,jj_end |
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| 366 | DO i=ii_begin,ii_end |
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| 367 | ij=(j-1)*iim+i |
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| 368 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
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| 369 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
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| 370 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
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| 371 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
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| 372 | ENDDO |
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| 373 | ENDDO |
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| 374 | ENDDO |
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[130] | 375 | ENDDO |
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[133] | 376 | |
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[145] | 377 | CALL trace_end("Euler_scheme") |
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| 378 | |
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[12] | 379 | END SUBROUTINE Euler_scheme |
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[120] | 380 | |
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[129] | 381 | SUBROUTINE RK_scheme(stage) |
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[120] | 382 | IMPLICIT NONE |
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| 383 | INTEGER :: ind, stage |
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[129] | 384 | REAL(rstd), DIMENSION(4), PARAMETER :: coef = (/ .25, 1./3., .5, 1. /) |
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[120] | 385 | REAL(rstd) :: tau |
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[148] | 386 | INTEGER :: i,j,ij,l |
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[145] | 387 | |
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| 388 | CALL trace_start("RK_scheme") |
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[120] | 389 | |
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| 390 | tau = dt*coef(stage) |
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[151] | 391 | |
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[159] | 392 | ! if mass coordinate, deal with ps first on one core |
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| 393 | IF(caldyn_eta==eta_mass) THEN |
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| 394 | IF (omp_first) THEN |
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[162] | 395 | |
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[159] | 396 | DO ind=1,ndomain |
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| 397 | CALL swap_dimensions(ind) |
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| 398 | CALL swap_geometry(ind) |
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[162] | 399 | ps=f_ps(ind) ; psm1=f_psm1(ind) ; dps=f_dps(ind) |
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[159] | 400 | |
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| 401 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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| 402 | DO j=jj_begin,jj_end |
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| 403 | DO i=ii_begin,ii_end |
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| 404 | ij=(j-1)*iim+i |
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| 405 | psm1(ij)=ps(ij) |
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| 406 | ENDDO |
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| 407 | ENDDO |
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| 408 | ENDIF |
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| 409 | |
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| 410 | ! updates are of the form x1 := x0 + tau*f(x1) |
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| 411 | DO j=jj_begin,jj_end |
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| 412 | DO i=ii_begin,ii_end |
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| 413 | ij=(j-1)*iim+i |
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| 414 | ps(ij)=psm1(ij)+tau*dps(ij) |
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| 415 | ENDDO |
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[151] | 416 | ENDDO |
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[159] | 417 | ENDDO |
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| 418 | ENDIF |
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| 419 | CALL send_message(f_ps,req_ps) |
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[162] | 420 | |
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| 421 | ELSE ! Lagrangian coordinate, deal with mass |
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| 422 | DO ind=1,ndomain |
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| 423 | CALL swap_dimensions(ind) |
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| 424 | CALL swap_geometry(ind) |
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| 425 | mass=f_mass(ind); dmass=f_dmass(ind); massm1=f_massm1(ind) |
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| 426 | |
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| 427 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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| 428 | DO l=ll_begin,ll_end |
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| 429 | DO j=jj_begin,jj_end |
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| 430 | DO i=ii_begin,ii_end |
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| 431 | ij=(j-1)*iim+i |
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| 432 | massm1(ij,l)=mass(ij,l) |
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| 433 | ENDDO |
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| 434 | ENDDO |
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| 435 | ENDDO |
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| 436 | END IF |
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| 437 | |
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| 438 | ! updates are of the form x1 := x0 + tau*f(x1) |
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| 439 | DO l=ll_begin,ll_end |
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| 440 | DO j=jj_begin,jj_end |
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| 441 | DO i=ii_begin,ii_end |
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| 442 | ij=(j-1)*iim+i |
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| 443 | mass(ij,l)=massm1(ij,l)+tau*dmass(ij,l) |
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| 444 | ENDDO |
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| 445 | ENDDO |
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| 446 | ENDDO |
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| 447 | END DO |
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| 448 | CALL send_message(f_mass,req_mass) |
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| 449 | |
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[159] | 450 | END IF |
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[151] | 451 | |
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[159] | 452 | ! now deal with other prognostic variables |
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[120] | 453 | DO ind=1,ndomain |
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[138] | 454 | CALL swap_dimensions(ind) |
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| 455 | CALL swap_geometry(ind) |
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[162] | 456 | u=f_u(ind) ; du=f_du(ind) ; um1=f_um1(ind) |
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| 457 | theta_rhodz=f_theta_rhodz(ind) |
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| 458 | theta_rhodzm1=f_theta_rhodzm1(ind) |
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| 459 | dtheta_rhodz=f_dtheta_rhodz(ind) |
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[129] | 460 | |
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| 461 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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[159] | 462 | DO l=ll_begin,ll_end |
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[148] | 463 | DO j=jj_begin,jj_end |
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| 464 | DO i=ii_begin,ii_end |
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| 465 | ij=(j-1)*iim+i |
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| 466 | um1(ij+u_right,l)=u(ij+u_right,l) |
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| 467 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
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| 468 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
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| 469 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
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| 470 | ENDDO |
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| 471 | ENDDO |
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| 472 | ENDDO |
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[162] | 473 | END IF |
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[148] | 474 | |
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[151] | 475 | DO l=ll_begin,ll_end |
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[148] | 476 | DO j=jj_begin,jj_end |
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| 477 | DO i=ii_begin,ii_end |
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| 478 | ij=(j-1)*iim+i |
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| 479 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
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| 480 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
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| 481 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
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| 482 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
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| 483 | ENDDO |
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| 484 | ENDDO |
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| 485 | ENDDO |
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[162] | 486 | |
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[133] | 487 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
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| 488 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
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[138] | 489 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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| 490 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
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[133] | 491 | END IF |
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[120] | 492 | END DO |
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[145] | 493 | |
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| 494 | CALL trace_end("RK_scheme") |
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| 495 | |
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[120] | 496 | END SUBROUTINE RK_scheme |
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| 497 | |
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[129] | 498 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
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[12] | 499 | IMPLICIT NONE |
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[129] | 500 | INTEGER :: ind, stage |
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| 501 | REAL :: tau |
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[145] | 502 | |
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| 503 | CALL trace_start("leapfrog_matsuno_scheme") |
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| 504 | |
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| 505 | tau = dt/nb_stage |
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[12] | 506 | DO ind=1,ndomain |
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[138] | 507 | CALL swap_dimensions(ind) |
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| 508 | CALL swap_geometry(ind) |
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| 509 | |
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[12] | 510 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 511 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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| 512 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
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| 513 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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| 514 | |
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| 515 | |
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[129] | 516 | IF (stage==1) THEN |
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[12] | 517 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
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[129] | 518 | ps(:)=psm1(:)+tau*dps(:) |
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| 519 | u(:,:)=um1(:,:)+tau*du(:,:) |
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| 520 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
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[12] | 521 | |
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[129] | 522 | ELSE IF (stage==2) THEN |
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[12] | 523 | |
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[129] | 524 | ps(:)=psm1(:)+tau*dps(:) |
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| 525 | u(:,:)=um1(:,:)+tau*du(:,:) |
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| 526 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
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[12] | 527 | |
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| 528 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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| 529 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 530 | |
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| 531 | ELSE |
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| 532 | |
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[129] | 533 | ps(:)=psm2(:)+2*tau*dps(:) |
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| 534 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
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| 535 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
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[12] | 536 | |
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| 537 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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| 538 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 539 | |
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| 540 | ENDIF |
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| 541 | |
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| 542 | ENDDO |
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[145] | 543 | CALL trace_end("leapfrog_matsuno_scheme") |
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[12] | 544 | |
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| 545 | END SUBROUTINE leapfrog_matsuno_scheme |
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| 546 | |
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[50] | 547 | END SUBROUTINE timeloop |
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[133] | 548 | |
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[159] | 549 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
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[133] | 550 | USE icosa |
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[159] | 551 | USE omp_para |
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[133] | 552 | USE disvert_mod |
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[159] | 553 | IMPLICIT NONE |
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[133] | 554 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
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| 555 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
| 556 | REAL(rstd), INTENT(IN) :: tau |
---|
[134] | 557 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
[148] | 558 | INTEGER :: l,i,j,ij |
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| 559 | |
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[134] | 560 | IF(fluxt_zero) THEN |
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[151] | 561 | |
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[134] | 562 | fluxt_zero=.FALSE. |
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[151] | 563 | |
---|
| 564 | DO l=ll_begin,ll_end |
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[148] | 565 | DO j=jj_begin-1,jj_end+1 |
---|
| 566 | DO i=ii_begin-1,ii_end+1 |
---|
| 567 | ij=(j-1)*iim+i |
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| 568 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
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| 569 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
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| 570 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
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| 571 | ENDDO |
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| 572 | ENDDO |
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| 573 | ENDDO |
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| 574 | |
---|
[159] | 575 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
| 576 | DO l=ll_begin,ll_endp1 |
---|
| 577 | DO j=jj_begin,jj_end |
---|
| 578 | DO i=ii_begin,ii_end |
---|
| 579 | ij=(j-1)*iim+i |
---|
| 580 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
| 581 | ENDDO |
---|
| 582 | ENDDO |
---|
| 583 | ENDDO |
---|
| 584 | END IF |
---|
[162] | 585 | |
---|
[134] | 586 | ELSE |
---|
[151] | 587 | |
---|
| 588 | DO l=ll_begin,ll_end |
---|
[148] | 589 | DO j=jj_begin-1,jj_end+1 |
---|
| 590 | DO i=ii_begin-1,ii_end+1 |
---|
| 591 | ij=(j-1)*iim+i |
---|
| 592 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
| 593 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
| 594 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
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| 595 | ENDDO |
---|
| 596 | ENDDO |
---|
| 597 | ENDDO |
---|
| 598 | |
---|
[159] | 599 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
| 600 | DO l=ll_begin,ll_endp1 |
---|
| 601 | DO j=jj_begin,jj_end |
---|
| 602 | DO i=ii_begin,ii_end |
---|
| 603 | ij=(j-1)*iim+i |
---|
| 604 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
| 605 | ENDDO |
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| 606 | ENDDO |
---|
| 607 | ENDDO |
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| 608 | END IF |
---|
[148] | 609 | |
---|
[159] | 610 | END IF |
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[151] | 611 | |
---|
[133] | 612 | END SUBROUTINE accumulate_fluxes |
---|
[12] | 613 | |
---|
[162] | 614 | FUNCTION maxval_i(p) |
---|
| 615 | USE icosa |
---|
| 616 | IMPLICIT NONE |
---|
| 617 | REAL(rstd), DIMENSION(iim*jjm) :: p |
---|
| 618 | REAL(rstd) :: maxval_i |
---|
| 619 | INTEGER :: j, ij |
---|
| 620 | |
---|
| 621 | maxval_i=p((jj_begin-1)*iim+ii_begin) |
---|
| 622 | |
---|
| 623 | DO j=jj_begin-1,jj_end+1 |
---|
| 624 | ij=(j-1)*iim |
---|
| 625 | maxval_i = MAX(maxval_i, MAXVAL(p(ij+ii_begin:ij+ii_end))) |
---|
| 626 | END DO |
---|
| 627 | END FUNCTION maxval_i |
---|
| 628 | |
---|
| 629 | FUNCTION maxval_ik(p) |
---|
| 630 | USE icosa |
---|
| 631 | IMPLICIT NONE |
---|
| 632 | REAL(rstd) :: p(iim*jjm, llm) |
---|
| 633 | REAL(rstd) :: maxval_ik(llm) |
---|
| 634 | INTEGER :: l,j, ij |
---|
| 635 | |
---|
| 636 | DO l=1,llm |
---|
| 637 | maxval_ik(l)=p((jj_begin-1)*iim+ii_begin,l) |
---|
| 638 | DO j=jj_begin-1,jj_end+1 |
---|
| 639 | ij=(j-1)*iim |
---|
| 640 | maxval_ik(l) = MAX(maxval_ik(l), MAXVAL(p(ij+ii_begin:ij+ii_end,l))) |
---|
| 641 | END DO |
---|
| 642 | END DO |
---|
| 643 | END FUNCTION maxval_ik |
---|
| 644 | |
---|
[12] | 645 | END MODULE timeloop_gcm_mod |
---|