| [12] | 1 | MODULE timeloop_gcm_mod |
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| 2 | |
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| 3 | CONTAINS |
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| 4 | |
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| 5 | SUBROUTINE timeloop |
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| [19] | 6 | USE icosa |
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| [15] | 7 | USE dissip_gcm_mod |
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| [17] | 8 | USE caldyn_mod |
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| [12] | 9 | USE etat0_mod |
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| [17] | 10 | USE guided_mod |
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| 11 | USE advect_tracer_mod |
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| [81] | 12 | USE physics_mod |
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| [17] | 13 | |
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| [12] | 14 | IMPLICIT NONE |
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| 15 | TYPE(t_field),POINTER :: f_phis(:) |
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| 16 | TYPE(t_field),POINTER :: f_theta(:) |
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| [17] | 17 | TYPE(t_field),POINTER :: f_q(:) |
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| [15] | 18 | TYPE(t_field),POINTER :: f_dtheta(:) |
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| [12] | 19 | TYPE(t_field),POINTER :: f_ps(:),f_psm1(:), f_psm2(:) |
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| 20 | TYPE(t_field),POINTER :: f_u(:),f_um1(:),f_um2(:) |
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| 21 | TYPE(t_field),POINTER :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:) |
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| 22 | TYPE(t_field),POINTER :: f_dps(:),f_dpsm1(:), f_dpsm2(:) |
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| 23 | TYPE(t_field),POINTER :: f_du(:),f_dum1(:),f_dum2(:) |
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| 24 | TYPE(t_field),POINTER :: f_dtheta_rhodz(:),f_dtheta_rhodzm1(:),f_dtheta_rhodzm2(:) |
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| 25 | |
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| 26 | REAL(rstd),POINTER :: phis(:) |
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| [17] | 27 | REAL(rstd),POINTER :: q(:,:,:) |
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| [12] | 28 | REAL(rstd),POINTER :: ps(:) ,psm1(:), psm2(:) |
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| 29 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:) |
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| 30 | REAL(rstd),POINTER :: theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:) |
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| 31 | REAL(rstd),POINTER :: dps(:), dpsm1(:), dpsm2(:) |
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| 32 | REAL(rstd),POINTER :: du(:,:), dum1(:,:), dum2(:,:) |
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| 33 | REAL(rstd),POINTER :: dtheta_rhodz(:,:),dtheta_rhodzm1(:,:),dtheta_rhodzm2(:,:) |
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| [50] | 34 | |
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| [98] | 35 | ! REAL(rstd) :: dt, run_length |
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| [12] | 36 | INTEGER :: ind |
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| 37 | INTEGER :: it,i,j,n |
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| [17] | 38 | CHARACTER(len=255) :: scheme |
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| [12] | 39 | INTEGER :: matsuno_period |
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| [98] | 40 | ! INTEGER :: itaumax |
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| 41 | ! REAL(rstd) ::write_period |
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| 42 | ! INTEGER :: itau_out |
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| [63] | 43 | |
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| [98] | 44 | ! dt=90. |
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| 45 | ! CALL getin('dt',dt) |
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| [32] | 46 | |
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| [98] | 47 | ! itaumax=100 |
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| 48 | ! CALL getin('itaumax',itaumax) |
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| [17] | 49 | |
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| [98] | 50 | ! run_length=dt*itaumax |
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| 51 | ! CALL getin('run_length',run_length) |
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| 52 | ! itaumax=run_length/dt |
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| 53 | ! PRINT *,'itaumax=',itaumax |
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| 54 | ! dt=dt/scale_factor |
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| [45] | 55 | |
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| [17] | 56 | scheme='adam_bashforth' |
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| [12] | 57 | CALL getin('scheme',scheme) |
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| 58 | |
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| 59 | matsuno_period=5 |
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| 60 | CALL getin('matsuno_period',matsuno_period) |
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| [17] | 61 | IF (TRIM(scheme)=='leapfrog') matsuno_period=itaumax+1 |
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| [12] | 62 | |
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| [98] | 63 | ! write_period=0 |
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| 64 | ! CALL getin('write_period',write_period) |
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| 65 | ! write_period=write_period/scale_factor |
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| 66 | ! itau_out=FLOOR(.5+write_period/dt) |
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| 67 | ! PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
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| [63] | 68 | |
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| [12] | 69 | CALL allocate_field(f_phis,field_t,type_real) |
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| 70 | |
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| 71 | CALL allocate_field(f_ps,field_t,type_real) |
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| 72 | CALL allocate_field(f_psm1,field_t,type_real) |
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| 73 | CALL allocate_field(f_psm2,field_t,type_real) |
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| 74 | CALL allocate_field(f_dps,field_t,type_real) |
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| 75 | CALL allocate_field(f_dpsm1,field_t,type_real) |
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| 76 | CALL allocate_field(f_dpsm2,field_t,type_real) |
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| 77 | |
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| 78 | CALL allocate_field(f_u,field_u,type_real,llm) |
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| 79 | CALL allocate_field(f_um1,field_u,type_real,llm) |
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| 80 | CALL allocate_field(f_um2,field_u,type_real,llm) |
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| 81 | CALL allocate_field(f_du,field_u,type_real,llm) |
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| 82 | CALL allocate_field(f_dum1,field_u,type_real,llm) |
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| 83 | CALL allocate_field(f_dum2,field_u,type_real,llm) |
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| 84 | |
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| [15] | 85 | CALL allocate_field(f_theta,field_t,type_real,llm) |
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| 86 | CALL allocate_field(f_dtheta,field_t,type_real,llm) |
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| 87 | |
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| [17] | 88 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot) |
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| 89 | |
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| [12] | 90 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm) |
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| 91 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm) |
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| 92 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
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| 93 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm) |
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| 94 | CALL allocate_field(f_dtheta_rhodzm1,field_t,type_real,llm) |
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| 95 | CALL allocate_field(f_dtheta_rhodzm2,field_t,type_real,llm) |
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| 96 | |
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| [98] | 97 | CALL init_dissip |
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| 98 | CALL init_caldyn |
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| 99 | CALL init_guided |
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| 100 | CALL init_advect_tracer |
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| 101 | CALL init_physics |
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| [12] | 102 | |
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| [17] | 103 | CALL etat0(f_ps,f_phis,f_theta_rhodz,f_u, f_q) |
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| [97] | 104 | CALL writefield("phis",f_phis,once=.TRUE.) |
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| [81] | 105 | CALL transfert_request(f_q,req_i1) |
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| [50] | 106 | |
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| [12] | 107 | DO it=0,itaumax |
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| [81] | 108 | |
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| [45] | 109 | PRINT *,"It No :",It," t :",dt*It |
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| [63] | 110 | IF (mod(it,itau_out)==0 ) THEN |
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| 111 | CALL writefield("q",f_q) |
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| [81] | 112 | CALL update_time_counter(dt*it) |
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| [63] | 113 | ENDIF |
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| 114 | |
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| [25] | 115 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
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| [110] | 116 | CALL caldyn(it,f_phis,f_ps,f_theta_rhodz,f_u, f_q, f_dps, f_dtheta_rhodz, f_du) |
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| [25] | 117 | CALL advect_tracer(f_ps,f_u,f_q) |
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| [17] | 118 | |
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| 119 | SELECT CASE (TRIM(scheme)) |
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| 120 | CASE('euler') |
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| 121 | CALL euler_scheme |
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| [12] | 122 | |
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| [17] | 123 | CASE ('leapfrog') |
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| 124 | CALL leapfrog_scheme |
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| 125 | |
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| 126 | CASE ('leapfrog_matsuno') |
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| 127 | CALL leapfrog_matsuno_scheme |
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| 128 | |
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| 129 | CASE ('adam_bashforth') |
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| [109] | 130 | CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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| [17] | 131 | CALL adam_bashforth_scheme |
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| 132 | |
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| 133 | CASE default |
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| [21] | 134 | PRINT*,'Bad selector for variable scheme : <', TRIM(scheme), & |
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| 135 | ' > options are <euler>, <leapfrog>, <leapfrog_matsuno>, <adam_bashforth>' |
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| [17] | 136 | STOP |
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| 137 | |
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| 138 | END SELECT |
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| [110] | 139 | |
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| 140 | CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
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| [81] | 141 | |
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| [46] | 142 | ENDDO |
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| [12] | 143 | |
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| 144 | CONTAINS |
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| 145 | |
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| 146 | SUBROUTINE Euler_scheme |
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| 147 | IMPLICIT NONE |
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| 148 | INTEGER :: ind |
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| 149 | |
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| 150 | DO ind=1,ndomain |
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| 151 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 152 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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| 153 | ps(:)=ps(:)+dt*dps(:) |
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| 154 | u(:,:)=u(:,:)+dt*du(:,:) |
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| 155 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*dtheta_rhodz(:,:) |
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| 156 | ENDDO |
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| 157 | |
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| 158 | END SUBROUTINE Euler_scheme |
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| 159 | |
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| 160 | SUBROUTINE leapfrog_scheme |
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| 161 | IMPLICIT NONE |
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| 162 | INTEGER :: ind |
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| 163 | |
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| 164 | DO ind=1,ndomain |
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| 165 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 166 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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| 167 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
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| 168 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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| 169 | |
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| 170 | IF (it==0) THEN |
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| 171 | psm2(:)=ps(:) ; theta_rhodzm2(:,:)=theta_rhodz(:,:) ; um2(:,:)=u(:,:) |
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| 172 | |
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| 173 | ps(:)=ps(:)+dt*dps(:) |
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| 174 | u(:,:)=u(:,:)+dt*du(:,:) |
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| 175 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*dtheta_rhodz(:,:) |
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| 176 | |
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| 177 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 178 | ELSE |
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| 179 | |
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| 180 | ps(:)=psm2(:)+2*dt*dps(:) |
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| 181 | u(:,:)=um2(:,:)+2*dt*du(:,:) |
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| 182 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*dt*dtheta_rhodz(:,:) |
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| 183 | |
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| 184 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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| 185 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 186 | ENDIF |
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| 187 | |
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| 188 | ENDDO |
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| 189 | END SUBROUTINE leapfrog_scheme |
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| 190 | |
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| 191 | SUBROUTINE leapfrog_matsuno_scheme |
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| 192 | IMPLICIT NONE |
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| 193 | INTEGER :: ind |
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| 194 | |
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| 195 | DO ind=1,ndomain |
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| 196 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 197 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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| 198 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
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| 199 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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| 200 | |
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| 201 | |
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| 202 | IF (MOD(it,matsuno_period+1)==0) THEN |
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| 203 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
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| 204 | ps(:)=psm1(:)+dt*dps(:) |
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| 205 | u(:,:)=um1(:,:)+dt*du(:,:) |
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| 206 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+dt*dtheta_rhodz(:,:) |
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| 207 | |
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| 208 | ELSE IF (MOD(it,matsuno_period+1)==1) THEN |
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| 209 | |
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| 210 | ps(:)=psm1(:)+dt*dps(:) |
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| 211 | u(:,:)=um1(:,:)+dt*du(:,:) |
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| 212 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+dt*dtheta_rhodz(:,:) |
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| 213 | |
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| 214 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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| 215 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 216 | |
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| 217 | ELSE |
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| 218 | |
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| 219 | ps(:)=psm2(:)+2*dt*dps(:) |
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| 220 | u(:,:)=um2(:,:)+2*dt*du(:,:) |
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| 221 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*dt*dtheta_rhodz(:,:) |
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| 222 | |
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| 223 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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| 224 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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| 225 | |
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| 226 | ENDIF |
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| 227 | |
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| 228 | ENDDO |
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| 229 | |
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| 230 | END SUBROUTINE leapfrog_matsuno_scheme |
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| 231 | |
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| 232 | SUBROUTINE adam_bashforth_scheme |
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| 233 | IMPLICIT NONE |
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| 234 | INTEGER :: ind |
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| 235 | |
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| 236 | DO ind=1,ndomain |
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| 237 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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| 238 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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| 239 | dpsm1=f_dpsm1(ind) ; dum1=f_dum1(ind) ; dtheta_rhodzm1=f_dtheta_rhodzm1(ind) |
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| 240 | dpsm2=f_dpsm2(ind) ; dum2=f_dum2(ind) ; dtheta_rhodzm2=f_dtheta_rhodzm2(ind) |
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| 241 | |
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| 242 | IF (it==0) THEN |
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| 243 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
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| 244 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
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| 245 | ENDIF |
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| 246 | |
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| 247 | ps(:)=ps(:)+dt*(23*dps(:)-16*dpsm1(:)+5*dpsm2(:))/12 |
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| 248 | u(:,:)=u(:,:)+dt*(23*du(:,:)-16*dum1(:,:)+5*dum2(:,:))/12 |
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| 249 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*(23*dtheta_rhodz(:,:)-16*dtheta_rhodzm1(:,:)+5*dtheta_rhodzm2(:,:))/12 |
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| 250 | |
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| 251 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
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| 252 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
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| 253 | |
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| [50] | 254 | ENDDO |
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| [12] | 255 | |
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| 256 | END SUBROUTINE adam_bashforth_scheme |
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| 257 | |
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| [50] | 258 | END SUBROUTINE timeloop |
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| [12] | 259 | |
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| 260 | END MODULE timeloop_gcm_mod |
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