[12] | 1 | MODULE timeloop_gcm_mod |
---|
[151] | 2 | USE transfert_mod |
---|
| 3 | USE icosa |
---|
[133] | 4 | PRIVATE |
---|
[12] | 5 | |
---|
[151] | 6 | PUBLIC :: init_timeloop, timeloop |
---|
[133] | 7 | |
---|
[339] | 8 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3, rk25=4 |
---|
[186] | 9 | INTEGER, PARAMETER :: itau_sync=10 |
---|
[339] | 10 | REAL(rstd), DIMENSION(4), PARAMETER :: coef_rk4 = (/ .25, 1./3., .5, 1. /) |
---|
| 11 | REAL(rstd), DIMENSION(5), PARAMETER :: coef_rk25 = (/ .25, 1./6., 3./8., .5, 1. /) |
---|
[133] | 12 | |
---|
[186] | 13 | TYPE(t_message),SAVE :: req_ps0, req_mass0, req_theta_rhodz0, req_u0, req_q0 |
---|
[151] | 14 | |
---|
[186] | 15 | TYPE(t_field),POINTER,SAVE :: f_q(:) |
---|
| 16 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:), f_mass(:), f_massm1(:), f_massm2(:), f_dmass(:) |
---|
| 17 | TYPE(t_field),POINTER,SAVE :: f_phis(:), f_ps(:),f_psm1(:), f_psm2(:), f_dps(:) |
---|
| 18 | TYPE(t_field),POINTER,SAVE :: f_u(:),f_um1(:),f_um2(:), f_du(:) |
---|
| 19 | TYPE(t_field),POINTER,SAVE :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:), f_dtheta_rhodz(:) |
---|
| 20 | TYPE(t_field),POINTER,SAVE :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
---|
[151] | 21 | |
---|
[186] | 22 | INTEGER,SAVE :: nb_stage, matsuno_period, scheme |
---|
| 23 | !$OMP THREADPRIVATE(nb_stage, matsuno_period, scheme) |
---|
[151] | 24 | |
---|
[12] | 25 | CONTAINS |
---|
| 26 | |
---|
[151] | 27 | SUBROUTINE init_timeloop |
---|
[19] | 28 | USE icosa |
---|
[15] | 29 | USE dissip_gcm_mod |
---|
[17] | 30 | USE caldyn_mod |
---|
[12] | 31 | USE etat0_mod |
---|
[159] | 32 | USE disvert_mod |
---|
[17] | 33 | USE guided_mod |
---|
| 34 | USE advect_tracer_mod |
---|
[81] | 35 | USE physics_mod |
---|
[131] | 36 | USE mpipara |
---|
[151] | 37 | USE omp_para |
---|
[145] | 38 | USE trace |
---|
[148] | 39 | USE transfert_mod |
---|
[151] | 40 | USE check_conserve_mod |
---|
[171] | 41 | USE output_field_mod |
---|
| 42 | USE write_field |
---|
[295] | 43 | USE theta2theta_rhodz_mod |
---|
[327] | 44 | USE sponge_mod |
---|
[12] | 45 | IMPLICIT NONE |
---|
| 46 | |
---|
[159] | 47 | CHARACTER(len=255) :: def |
---|
[17] | 48 | |
---|
[149] | 49 | |
---|
[171] | 50 | IF (xios_output) itau_out=1 |
---|
[186] | 51 | IF (.NOT. enable_io) itau_out=HUGE(itau_out) |
---|
[129] | 52 | |
---|
[159] | 53 | ! Time-independant orography |
---|
| 54 | CALL allocate_field(f_phis,field_t,type_real,name='phis') |
---|
| 55 | ! Trends |
---|
| 56 | CALL allocate_field(f_du,field_u,type_real,llm,name='du') |
---|
| 57 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm,name='dtheta_rhodz') |
---|
| 58 | ! Model state at current time step (RK/MLF/Euler) |
---|
| 59 | CALL allocate_field(f_ps,field_t,type_real, name='ps') |
---|
| 60 | CALL allocate_field(f_mass,field_t,type_real,llm,name='mass') |
---|
| 61 | CALL allocate_field(f_u,field_u,type_real,llm,name='u') |
---|
| 62 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm,name='theta_rhodz') |
---|
| 63 | ! Model state at previous time step (RK/MLF) |
---|
| 64 | CALL allocate_field(f_um1,field_u,type_real,llm,name='um1') |
---|
| 65 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm,name='theta_rhodzm1') |
---|
| 66 | ! Tracers |
---|
[266] | 67 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot,'q') |
---|
[159] | 68 | CALL allocate_field(f_rhodz,field_t,type_real,llm,name='rhodz') |
---|
| 69 | ! Mass fluxes |
---|
| 70 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
---|
| 71 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
---|
| 72 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! vertical mass fluxes |
---|
[162] | 73 | CALL allocate_field(f_dmass,field_t,type_real,llm, name='dmass') |
---|
[151] | 74 | |
---|
[159] | 75 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
---|
| 76 | CALL allocate_field(f_dps,field_t,type_real,name='dps') |
---|
| 77 | CALL allocate_field(f_psm1,field_t,type_real,name='psm1') |
---|
| 78 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1,name='wfluxt') |
---|
| 79 | ! the following are unused but must point to something |
---|
[162] | 80 | ! f_massm1 => f_mass |
---|
[159] | 81 | ELSE ! eta = Lagrangian vertical coordinate |
---|
[162] | 82 | CALL allocate_field(f_massm1,field_t,type_real,llm, name='massm1') |
---|
[159] | 83 | ! the following are unused but must point to something |
---|
| 84 | f_wfluxt => f_wflux |
---|
| 85 | f_dps => f_phis |
---|
| 86 | f_psm1 => f_phis |
---|
| 87 | END IF |
---|
[151] | 88 | |
---|
[159] | 89 | def='runge_kutta' |
---|
| 90 | CALL getin('scheme',def) |
---|
| 91 | |
---|
| 92 | SELECT CASE (TRIM(def)) |
---|
[151] | 93 | CASE('euler') |
---|
| 94 | scheme=euler |
---|
| 95 | nb_stage=1 |
---|
| 96 | CASE ('runge_kutta') |
---|
| 97 | scheme=rk4 |
---|
| 98 | nb_stage=4 |
---|
[339] | 99 | CASE ('RK2.5') |
---|
| 100 | scheme=rk25 |
---|
| 101 | nb_stage=5 |
---|
[151] | 102 | CASE ('leapfrog_matsuno') |
---|
| 103 | scheme=mlf |
---|
| 104 | matsuno_period=5 |
---|
| 105 | CALL getin('matsuno_period',matsuno_period) |
---|
| 106 | nb_stage=matsuno_period+1 |
---|
[129] | 107 | ! Model state 2 time steps ago (MLF) |
---|
[151] | 108 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
---|
| 109 | CALL allocate_field(f_um2,field_u,type_real,llm) |
---|
[159] | 110 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
---|
| 111 | CALL allocate_field(f_psm2,field_t,type_real) |
---|
| 112 | ! the following are unused but must point to something |
---|
| 113 | f_massm2 => f_mass |
---|
| 114 | ELSE ! eta = Lagrangian vertical coordinate |
---|
| 115 | CALL allocate_field(f_massm2,field_t,type_real,llm) |
---|
| 116 | ! the following are unused but must point to something |
---|
| 117 | f_psm2 => f_phis |
---|
| 118 | END IF |
---|
[327] | 119 | CASE ('none') |
---|
| 120 | nb_stage=0 |
---|
[159] | 121 | |
---|
[151] | 122 | CASE default |
---|
[159] | 123 | PRINT*,'Bad selector for variable scheme : <', TRIM(def), & |
---|
[151] | 124 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
---|
| 125 | STOP |
---|
| 126 | END SELECT |
---|
| 127 | |
---|
[295] | 128 | CALL init_theta2theta_rhodz |
---|
[151] | 129 | CALL init_dissip |
---|
[327] | 130 | CALL init_sponge |
---|
[151] | 131 | CALL init_caldyn |
---|
| 132 | CALL init_guided |
---|
| 133 | CALL init_advect_tracer |
---|
| 134 | CALL init_check_conserve |
---|
[186] | 135 | |
---|
[159] | 136 | CALL etat0(f_ps,f_mass,f_phis,f_theta_rhodz,f_u, f_q) |
---|
[151] | 137 | |
---|
| 138 | CALL transfert_request(f_phis,req_i0) |
---|
| 139 | CALL transfert_request(f_phis,req_i1) |
---|
| 140 | CALL writefield("phis",f_phis,once=.TRUE.) |
---|
| 141 | |
---|
| 142 | CALL init_message(f_ps,req_i0,req_ps0) |
---|
[162] | 143 | CALL init_message(f_mass,req_i0,req_mass0) |
---|
[151] | 144 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
---|
| 145 | CALL init_message(f_u,req_e0_vect,req_u0) |
---|
| 146 | CALL init_message(f_q,req_i0,req_q0) |
---|
| 147 | |
---|
| 148 | END SUBROUTINE init_timeloop |
---|
[12] | 149 | |
---|
[151] | 150 | SUBROUTINE timeloop |
---|
| 151 | USE icosa |
---|
| 152 | USE dissip_gcm_mod |
---|
[327] | 153 | USE sponge_mod |
---|
[159] | 154 | USE disvert_mod |
---|
[151] | 155 | USE caldyn_mod |
---|
[162] | 156 | USE caldyn_gcm_mod, ONLY : req_ps, req_mass |
---|
[151] | 157 | USE etat0_mod |
---|
| 158 | USE guided_mod |
---|
| 159 | USE advect_tracer_mod |
---|
| 160 | USE physics_mod |
---|
| 161 | USE mpipara |
---|
| 162 | USE omp_para |
---|
| 163 | USE trace |
---|
| 164 | USE transfert_mod |
---|
| 165 | USE check_conserve_mod |
---|
[171] | 166 | USE xios_mod |
---|
| 167 | USE output_field_mod |
---|
[266] | 168 | USE write_etat0_mod |
---|
[295] | 169 | USE checksum_mod |
---|
[151] | 170 | IMPLICIT NONE |
---|
| 171 | REAL(rstd),POINTER :: q(:,:,:) |
---|
[159] | 172 | REAL(rstd),POINTER :: phis(:), ps(:) ,psm1(:), psm2(:), dps(:) |
---|
| 173 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:), du(:,:) |
---|
| 174 | REAL(rstd),POINTER :: rhodz(:,:), mass(:,:), massm1(:,:), massm2(:,:), dmass(:,:) |
---|
| 175 | REAL(rstd),POINTER :: theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:), dtheta_rhodz(:,:) |
---|
[151] | 176 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
---|
[12] | 177 | |
---|
[151] | 178 | INTEGER :: ind |
---|
| 179 | INTEGER :: it,i,j,n, stage |
---|
| 180 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
---|
| 181 | LOGICAL, PARAMETER :: check=.FALSE. |
---|
[186] | 182 | INTEGER :: start_clock |
---|
| 183 | INTEGER :: stop_clock |
---|
| 184 | INTEGER :: rate_clock |
---|
[295] | 185 | INTEGER :: l |
---|
[327] | 186 | LOGICAL,SAVE :: first_physic=.TRUE. |
---|
| 187 | !$OMP THREADPRIVATE(first_physic) |
---|
[186] | 188 | |
---|
[327] | 189 | |
---|
[295] | 190 | CALL switch_omp_distrib_level |
---|
[159] | 191 | CALL caldyn_BC(f_phis, f_wflux) ! set constant values in first/last interfaces |
---|
[295] | 192 | |
---|
| 193 | !$OMP BARRIER |
---|
[133] | 194 | DO ind=1,ndomain |
---|
[202] | 195 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[133] | 196 | CALL swap_dimensions(ind) |
---|
| 197 | CALL swap_geometry(ind) |
---|
[162] | 198 | rhodz=f_rhodz(ind); mass=f_mass(ind); ps=f_ps(ind) |
---|
| 199 | IF(caldyn_eta==eta_mass) THEN |
---|
| 200 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
---|
| 201 | ELSE |
---|
[295] | 202 | DO l=ll_begin,ll_end |
---|
| 203 | rhodz(:,l)=mass(:,l) |
---|
| 204 | ENDDO |
---|
[162] | 205 | END IF |
---|
[133] | 206 | END DO |
---|
[295] | 207 | !$OMP BARRIER |
---|
[138] | 208 | fluxt_zero=.TRUE. |
---|
[132] | 209 | |
---|
[186] | 210 | !$OMP MASTER |
---|
| 211 | CALL SYSTEM_CLOCK(start_clock) |
---|
| 212 | !$OMP END MASTER |
---|
| 213 | |
---|
[266] | 214 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,itau0) |
---|
| 215 | |
---|
[186] | 216 | CALL trace_on |
---|
| 217 | |
---|
[266] | 218 | DO it=itau0+1,itau0+itaumax |
---|
[326] | 219 | |
---|
| 220 | CALL check_conserve_detailed('detailed_budget 0', & |
---|
| 221 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
| 222 | |
---|
[200] | 223 | IF (xios_output) CALL xios_update_calendar(it) |
---|
[266] | 224 | IF (it==itau0+1 .OR. MOD(it,itau_sync)==0) THEN |
---|
[151] | 225 | CALL send_message(f_ps,req_ps0) |
---|
[186] | 226 | CALL wait_message(req_ps0) |
---|
[162] | 227 | CALL send_message(f_mass,req_mass0) |
---|
[186] | 228 | CALL wait_message(req_mass0) |
---|
[151] | 229 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
---|
[186] | 230 | CALL wait_message(req_theta_rhodz0) |
---|
[151] | 231 | CALL send_message(f_u,req_u0) |
---|
[186] | 232 | CALL wait_message(req_u0) |
---|
[151] | 233 | CALL send_message(f_q,req_q0) |
---|
| 234 | CALL wait_message(req_q0) |
---|
[186] | 235 | |
---|
[148] | 236 | ENDIF |
---|
[186] | 237 | |
---|
[295] | 238 | IF (is_master) PRINT *,"It No :",It," t :",dt*It |
---|
| 239 | |
---|
[63] | 240 | IF (mod(it,itau_out)==0 ) THEN |
---|
[81] | 241 | CALL update_time_counter(dt*it) |
---|
[171] | 242 | CALL output_field("q",f_q) |
---|
[63] | 243 | ENDIF |
---|
[151] | 244 | |
---|
| 245 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
---|
[129] | 246 | |
---|
| 247 | DO stage=1,nb_stage |
---|
| 248 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
---|
[159] | 249 | f_phis,f_ps,f_mass,f_theta_rhodz,f_u, f_q, & |
---|
[162] | 250 | f_hflux, f_wflux, f_dps, f_dmass, f_dtheta_rhodz, f_du) |
---|
[133] | 251 | SELECT CASE (scheme) |
---|
| 252 | CASE(euler) |
---|
| 253 | CALL euler_scheme(.TRUE.) |
---|
| 254 | CASE (rk4) |
---|
[339] | 255 | CALL rk_scheme(stage, coef_rk4) |
---|
| 256 | CASE (rk25) |
---|
| 257 | CALL rk_scheme(stage, coef_rk25) |
---|
[133] | 258 | CASE (mlf) |
---|
[129] | 259 | CALL leapfrog_matsuno_scheme(stage) |
---|
[133] | 260 | CASE DEFAULT |
---|
[129] | 261 | STOP |
---|
| 262 | END SELECT |
---|
| 263 | END DO |
---|
[130] | 264 | |
---|
[326] | 265 | CALL check_conserve_detailed('detailed_budget 1', & |
---|
| 266 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
| 267 | |
---|
[266] | 268 | IF (MOD(it,itau_dissip)==0) THEN |
---|
[186] | 269 | |
---|
[167] | 270 | IF(caldyn_eta==eta_mass) THEN |
---|
[295] | 271 | !ym flush ps |
---|
| 272 | !$OMP BARRIER |
---|
[167] | 273 | DO ind=1,ndomain |
---|
[186] | 274 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[167] | 275 | CALL swap_dimensions(ind) |
---|
| 276 | CALL swap_geometry(ind) |
---|
| 277 | mass=f_mass(ind); ps=f_ps(ind); |
---|
| 278 | CALL compute_rhodz(.TRUE., ps, mass) |
---|
| 279 | END DO |
---|
| 280 | ENDIF |
---|
[327] | 281 | |
---|
[167] | 282 | CALL dissip(f_u,f_du,f_mass,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
---|
[295] | 283 | |
---|
[167] | 284 | CALL euler_scheme(.FALSE.) ! update only u, theta |
---|
[327] | 285 | IF (iflag_sponge > 0) THEN |
---|
| 286 | CALL sponge(f_u,f_du,f_theta_rhodz,f_dtheta_rhodz) |
---|
| 287 | CALL euler_scheme(.FALSE.) ! update only u, theta |
---|
| 288 | ENDIF |
---|
[167] | 289 | END IF |
---|
[130] | 290 | |
---|
[326] | 291 | CALL check_conserve_detailed('detailed_budget 2', & |
---|
| 292 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
| 293 | |
---|
[266] | 294 | IF(MOD(it,itau_adv)==0) THEN |
---|
[138] | 295 | |
---|
[135] | 296 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
---|
[134] | 297 | fluxt_zero=.TRUE. |
---|
[138] | 298 | |
---|
| 299 | ! FIXME : check that rhodz is consistent with ps |
---|
[148] | 300 | IF (check) THEN |
---|
| 301 | DO ind=1,ndomain |
---|
[186] | 302 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[148] | 303 | CALL swap_dimensions(ind) |
---|
| 304 | CALL swap_geometry(ind) |
---|
[151] | 305 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
---|
[148] | 306 | CALL compute_rhodz(.FALSE., ps, rhodz) |
---|
| 307 | END DO |
---|
| 308 | ENDIF |
---|
[151] | 309 | |
---|
[133] | 310 | END IF |
---|
[151] | 311 | |
---|
[295] | 312 | |
---|
| 313 | IF (MOD(it,itau_check_conserv)==0) THEN |
---|
[327] | 314 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
[295] | 315 | ENDIF |
---|
[327] | 316 | |
---|
| 317 | IF (MOD(it,itau_physics)==0) THEN |
---|
| 318 | CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_wflux, f_q) |
---|
| 319 | |
---|
| 320 | !$OMP MASTER |
---|
| 321 | IF (first_physic) CALL SYSTEM_CLOCK(start_clock) |
---|
| 322 | !$OMP END MASTER |
---|
| 323 | first_physic=.FALSE. |
---|
| 324 | ENDIF |
---|
[266] | 325 | |
---|
| 326 | ENDDO |
---|
[151] | 327 | |
---|
[266] | 328 | CALL write_etat0(itau0+itaumax,f_ps, f_phis,f_theta_rhodz,f_u,f_q) |
---|
[186] | 329 | |
---|
[266] | 330 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
[151] | 331 | |
---|
[186] | 332 | !$OMP MASTER |
---|
[266] | 333 | CALL SYSTEM_CLOCK(stop_clock) |
---|
| 334 | CALL SYSTEM_CLOCK(count_rate=rate_clock) |
---|
[186] | 335 | |
---|
[266] | 336 | IF (mpi_rank==0) THEN |
---|
| 337 | PRINT *,"Time elapsed : ",(stop_clock-start_clock)*1./rate_clock |
---|
| 338 | ENDIF |
---|
[186] | 339 | !$OMP END MASTER |
---|
[129] | 340 | |
---|
[266] | 341 | CONTAINS |
---|
[12] | 342 | |
---|
[130] | 343 | SUBROUTINE Euler_scheme(with_dps) |
---|
[12] | 344 | IMPLICIT NONE |
---|
[130] | 345 | LOGICAL :: with_dps |
---|
| 346 | INTEGER :: ind |
---|
[148] | 347 | INTEGER :: i,j,ij,l |
---|
[145] | 348 | CALL trace_start("Euler_scheme") |
---|
| 349 | |
---|
[130] | 350 | DO ind=1,ndomain |
---|
[186] | 351 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[138] | 352 | CALL swap_dimensions(ind) |
---|
| 353 | CALL swap_geometry(ind) |
---|
[148] | 354 | |
---|
[162] | 355 | IF(with_dps) THEN ! update ps/mass |
---|
| 356 | IF(caldyn_eta==eta_mass) THEN ! update ps |
---|
| 357 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
---|
[295] | 358 | IF (is_omp_first_level) THEN |
---|
[174] | 359 | !$SIMD |
---|
| 360 | DO ij=ij_begin,ij_end |
---|
| 361 | ps(ij)=ps(ij)+dt*dps(ij) |
---|
[162] | 362 | ENDDO |
---|
| 363 | ENDIF |
---|
| 364 | ELSE ! update mass |
---|
| 365 | mass=f_mass(ind) ; dmass=f_dmass(ind) ; |
---|
[327] | 366 | DO l=ll_begin,ll_end |
---|
[174] | 367 | !$SIMD |
---|
| 368 | DO ij=ij_begin,ij_end |
---|
| 369 | mass(ij,l)=mass(ij,l)+dt*dmass(ij,l) |
---|
[162] | 370 | ENDDO |
---|
| 371 | END DO |
---|
| 372 | END IF |
---|
| 373 | |
---|
| 374 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
| 375 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
| 376 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
---|
| 377 | END IF ! update ps/mass |
---|
[148] | 378 | |
---|
[130] | 379 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
| 380 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
[148] | 381 | |
---|
[151] | 382 | DO l=ll_begin,ll_end |
---|
[174] | 383 | !$SIMD |
---|
| 384 | DO ij=ij_begin,ij_end |
---|
[148] | 385 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
---|
| 386 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
---|
| 387 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
---|
| 388 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
---|
| 389 | ENDDO |
---|
| 390 | ENDDO |
---|
[130] | 391 | ENDDO |
---|
[133] | 392 | |
---|
[145] | 393 | CALL trace_end("Euler_scheme") |
---|
| 394 | |
---|
[12] | 395 | END SUBROUTINE Euler_scheme |
---|
[120] | 396 | |
---|
[339] | 397 | SUBROUTINE RK_scheme(stage,coef) |
---|
[120] | 398 | IMPLICIT NONE |
---|
| 399 | INTEGER :: ind, stage |
---|
[339] | 400 | REAL(rstd), INTENT(IN) :: coef(:) |
---|
[120] | 401 | REAL(rstd) :: tau |
---|
[148] | 402 | INTEGER :: i,j,ij,l |
---|
[145] | 403 | |
---|
| 404 | CALL trace_start("RK_scheme") |
---|
[120] | 405 | |
---|
| 406 | tau = dt*coef(stage) |
---|
[151] | 407 | |
---|
[159] | 408 | ! if mass coordinate, deal with ps first on one core |
---|
| 409 | IF(caldyn_eta==eta_mass) THEN |
---|
[295] | 410 | IF (is_omp_first_level) THEN |
---|
[162] | 411 | |
---|
[159] | 412 | DO ind=1,ndomain |
---|
[186] | 413 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[159] | 414 | CALL swap_dimensions(ind) |
---|
| 415 | CALL swap_geometry(ind) |
---|
[162] | 416 | ps=f_ps(ind) ; psm1=f_psm1(ind) ; dps=f_dps(ind) |
---|
[159] | 417 | |
---|
| 418 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
[174] | 419 | !$SIMD |
---|
| 420 | DO ij=ij_begin,ij_end |
---|
| 421 | psm1(ij)=ps(ij) |
---|
| 422 | ENDDO |
---|
[159] | 423 | ENDIF |
---|
| 424 | |
---|
| 425 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
[174] | 426 | !$SIMD |
---|
| 427 | DO ij=ij_begin,ij_end |
---|
| 428 | ps(ij)=psm1(ij)+tau*dps(ij) |
---|
[151] | 429 | ENDDO |
---|
[159] | 430 | ENDDO |
---|
| 431 | ENDIF |
---|
[186] | 432 | ! CALL send_message(f_ps,req_ps) |
---|
| 433 | !ym no overlap for now |
---|
| 434 | ! CALL wait_message(req_ps) |
---|
[162] | 435 | |
---|
| 436 | ELSE ! Lagrangian coordinate, deal with mass |
---|
| 437 | DO ind=1,ndomain |
---|
[186] | 438 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[162] | 439 | CALL swap_dimensions(ind) |
---|
| 440 | CALL swap_geometry(ind) |
---|
| 441 | mass=f_mass(ind); dmass=f_dmass(ind); massm1=f_massm1(ind) |
---|
| 442 | |
---|
| 443 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
| 444 | DO l=ll_begin,ll_end |
---|
[174] | 445 | !$SIMD |
---|
| 446 | DO ij=ij_begin,ij_end |
---|
| 447 | massm1(ij,l)=mass(ij,l) |
---|
| 448 | ENDDO |
---|
[162] | 449 | ENDDO |
---|
| 450 | END IF |
---|
| 451 | |
---|
| 452 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
| 453 | DO l=ll_begin,ll_end |
---|
[174] | 454 | !$SIMD |
---|
| 455 | DO ij=ij_begin,ij_end |
---|
| 456 | mass(ij,l)=massm1(ij,l)+tau*dmass(ij,l) |
---|
[162] | 457 | ENDDO |
---|
| 458 | ENDDO |
---|
| 459 | END DO |
---|
[186] | 460 | ! CALL send_message(f_mass,req_mass) |
---|
| 461 | !ym no overlap for now |
---|
| 462 | ! CALL wait_message(req_mass) |
---|
[162] | 463 | |
---|
[159] | 464 | END IF |
---|
[151] | 465 | |
---|
[159] | 466 | ! now deal with other prognostic variables |
---|
[120] | 467 | DO ind=1,ndomain |
---|
[186] | 468 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[138] | 469 | CALL swap_dimensions(ind) |
---|
| 470 | CALL swap_geometry(ind) |
---|
[162] | 471 | u=f_u(ind) ; du=f_du(ind) ; um1=f_um1(ind) |
---|
| 472 | theta_rhodz=f_theta_rhodz(ind) |
---|
| 473 | theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
| 474 | dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
[129] | 475 | |
---|
| 476 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
[159] | 477 | DO l=ll_begin,ll_end |
---|
[174] | 478 | !$SIMD |
---|
| 479 | DO ij=ij_begin,ij_end |
---|
[148] | 480 | um1(ij+u_right,l)=u(ij+u_right,l) |
---|
| 481 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
---|
| 482 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
---|
| 483 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
---|
| 484 | ENDDO |
---|
| 485 | ENDDO |
---|
[162] | 486 | END IF |
---|
[148] | 487 | |
---|
[151] | 488 | DO l=ll_begin,ll_end |
---|
[174] | 489 | !$SIMD |
---|
| 490 | DO ij=ij_begin,ij_end |
---|
[148] | 491 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
---|
| 492 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
---|
| 493 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
---|
| 494 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
---|
| 495 | ENDDO |
---|
| 496 | ENDDO |
---|
[162] | 497 | |
---|
[133] | 498 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
---|
| 499 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
[138] | 500 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
| 501 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
---|
[133] | 502 | END IF |
---|
[120] | 503 | END DO |
---|
[145] | 504 | |
---|
| 505 | CALL trace_end("RK_scheme") |
---|
| 506 | |
---|
[120] | 507 | END SUBROUTINE RK_scheme |
---|
| 508 | |
---|
[129] | 509 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
---|
[12] | 510 | IMPLICIT NONE |
---|
[129] | 511 | INTEGER :: ind, stage |
---|
| 512 | REAL :: tau |
---|
[145] | 513 | |
---|
| 514 | CALL trace_start("leapfrog_matsuno_scheme") |
---|
| 515 | |
---|
| 516 | tau = dt/nb_stage |
---|
[12] | 517 | DO ind=1,ndomain |
---|
[186] | 518 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
[138] | 519 | CALL swap_dimensions(ind) |
---|
| 520 | CALL swap_geometry(ind) |
---|
| 521 | |
---|
[12] | 522 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
| 523 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
| 524 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
| 525 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
| 526 | |
---|
| 527 | |
---|
[129] | 528 | IF (stage==1) THEN |
---|
[12] | 529 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
---|
[129] | 530 | ps(:)=psm1(:)+tau*dps(:) |
---|
| 531 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
| 532 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
[12] | 533 | |
---|
[129] | 534 | ELSE IF (stage==2) THEN |
---|
[12] | 535 | |
---|
[129] | 536 | ps(:)=psm1(:)+tau*dps(:) |
---|
| 537 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
| 538 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
[12] | 539 | |
---|
| 540 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
| 541 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
| 542 | |
---|
| 543 | ELSE |
---|
| 544 | |
---|
[129] | 545 | ps(:)=psm2(:)+2*tau*dps(:) |
---|
| 546 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
---|
| 547 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
---|
[12] | 548 | |
---|
| 549 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
| 550 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
| 551 | |
---|
| 552 | ENDIF |
---|
| 553 | |
---|
| 554 | ENDDO |
---|
[145] | 555 | CALL trace_end("leapfrog_matsuno_scheme") |
---|
[12] | 556 | |
---|
| 557 | END SUBROUTINE leapfrog_matsuno_scheme |
---|
| 558 | |
---|
[50] | 559 | END SUBROUTINE timeloop |
---|
[133] | 560 | |
---|
[159] | 561 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
---|
[133] | 562 | USE icosa |
---|
[159] | 563 | USE omp_para |
---|
[133] | 564 | USE disvert_mod |
---|
[159] | 565 | IMPLICIT NONE |
---|
[133] | 566 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
---|
| 567 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
| 568 | REAL(rstd), INTENT(IN) :: tau |
---|
[134] | 569 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
[148] | 570 | INTEGER :: l,i,j,ij |
---|
| 571 | |
---|
[134] | 572 | IF(fluxt_zero) THEN |
---|
[151] | 573 | |
---|
[134] | 574 | fluxt_zero=.FALSE. |
---|
[151] | 575 | |
---|
| 576 | DO l=ll_begin,ll_end |
---|
[174] | 577 | !$SIMD |
---|
| 578 | DO ij=ij_begin_ext,ij_end_ext |
---|
[148] | 579 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
---|
| 580 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
---|
| 581 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
---|
| 582 | ENDDO |
---|
| 583 | ENDDO |
---|
| 584 | |
---|
[159] | 585 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
| 586 | DO l=ll_begin,ll_endp1 |
---|
[174] | 587 | !$SIMD |
---|
| 588 | DO ij=ij_begin,ij_end |
---|
| 589 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
[159] | 590 | ENDDO |
---|
| 591 | ENDDO |
---|
| 592 | END IF |
---|
[162] | 593 | |
---|
[134] | 594 | ELSE |
---|
[151] | 595 | |
---|
| 596 | DO l=ll_begin,ll_end |
---|
[174] | 597 | !$SIMD |
---|
| 598 | DO ij=ij_begin_ext,ij_end_ext |
---|
[148] | 599 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
| 600 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
| 601 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
---|
| 602 | ENDDO |
---|
| 603 | ENDDO |
---|
| 604 | |
---|
[159] | 605 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
| 606 | DO l=ll_begin,ll_endp1 |
---|
[174] | 607 | !$SIMD |
---|
| 608 | DO ij=ij_begin,ij_end |
---|
[159] | 609 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
| 610 | ENDDO |
---|
| 611 | ENDDO |
---|
| 612 | END IF |
---|
[148] | 613 | |
---|
[159] | 614 | END IF |
---|
[151] | 615 | |
---|
[133] | 616 | END SUBROUTINE accumulate_fluxes |
---|
[12] | 617 | |
---|
| 618 | END MODULE timeloop_gcm_mod |
---|