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