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contains |
contains |
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SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q, time_0) |
SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q) |
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! From dyn3d/leapfrog.F, version 1.6 2005/04/13 08:58:34 |
! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34 revision 616 |
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! Auteurs : P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
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USE dimens_m, ONLY : iim, llm, nqmx |
! Int\'egration temporelle du mod\`ele : Matsuno-leapfrog scheme. |
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USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1 |
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USE comconst, ONLY : daysec, dtphys, dtvr |
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USE comvert, ONLY : ap, bp |
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USE conf_gcm_m, ONLY : day_step, iconser, idissip, iperiod, iphysiq, & |
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nday, offline, periodav |
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USE logic, ONLY : iflag_phys, ok_guide |
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USE comgeom, ONLY : aire, apoln, apols |
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USE temps, ONLY : dt, itaufin |
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USE dynetat0_m, ONLY : day_ini |
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USE iniprint, ONLY : prt_level |
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USE com_io_dyn, ONLY : histaveid |
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USE calfis_m, ONLY : calfis |
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USE exner_hyb_m, ONLY : exner_hyb |
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USE guide_m, ONLY : guide |
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USE pression_m, ONLY : pression |
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USE pressure_var, ONLY : p3d |
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! Variables dynamiques: |
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REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
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REAL teta(ip1jmp1, llm) ! temperature potentielle |
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REAL ps(ip1jmp1) ! pression au sol, en Pa |
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REAL masse(ip1jmp1, llm) ! masse d'air |
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REAL phis(ip1jmp1) ! geopotentiel au sol |
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REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
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REAL, intent(in):: time_0 |
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! Variables local to the procedure: |
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! Variables dynamiques: |
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REAL pks(ip1jmp1) ! exner au sol |
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REAL pk(ip1jmp1, llm) ! exner au milieu des couches |
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REAL pkf(ip1jmp1, llm) ! exner filt.au milieu des couches |
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REAL phi(ip1jmp1, llm) ! geopotential |
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REAL w(ip1jmp1, llm) ! vitesse verticale |
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! variables dynamiques intermediaire pour le transport |
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REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm) !flux de masse |
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! variables dynamiques au pas - 1 |
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REAL vcovm1(ip1jm, llm), ucovm1(ip1jmp1, llm) |
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REAL tetam1(ip1jmp1, llm), psm1(ip1jmp1) |
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REAL massem1(ip1jmp1, llm) |
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! tendances dynamiques |
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REAL dv(ip1jm, llm), du(ip1jmp1, llm) |
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REAL dteta(ip1jmp1, llm), dq(ip1jmp1, llm, nqmx), dp(ip1jmp1) |
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! tendances de la dissipation |
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REAL dvdis(ip1jm, llm), dudis(ip1jmp1, llm) |
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REAL dtetadis(ip1jmp1, llm) |
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! tendances physiques |
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REAL dvfi(ip1jm, llm), dufi(ip1jmp1, llm) |
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REAL dtetafi(ip1jmp1, llm), dqfi(ip1jmp1, llm, nqmx), dpfi(ip1jmp1) |
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! variables pour le fichier histoire |
use addfi_m, only: addfi |
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use bilan_dyn_m, only: bilan_dyn |
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REAL tppn(iim), tpps(iim), tpn, tps |
use caladvtrac_m, only: caladvtrac |
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use caldyn_m, only: caldyn |
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USE calfis_m, ONLY: calfis |
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USE comconst, ONLY: dtvr |
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USE comgeom, ONLY: aire_2d, apoln, apols |
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use covcont_m, only: covcont |
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USE disvert_m, ONLY: ap, bp |
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USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, iflag_phys |
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USE conf_guide_m, ONLY: ok_guide |
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USE dimensions, ONLY: iim, jjm, llm, nqmx |
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use dissip_m, only: dissip |
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USE dynetat0_m, ONLY: day_ini, itau_dyn |
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use dynredem1_m, only: dynredem1 |
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use enercin_m, only: enercin |
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USE exner_hyb_m, ONLY: exner_hyb |
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use filtreg_scal_m, only: filtreg_scal |
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use geopot_m, only: geopot |
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USE guide_m, ONLY: guide |
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use inidissip_m, only: idissip |
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use integrd_m, only: integrd |
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use nr_util, only: assert |
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use writehist_m, only: writehist |
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REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
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REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
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REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! potential temperature |
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REAL, intent(inout):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol, en Pa |
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REAL, intent(inout):: masse(:, :, :) ! (iim + 1, jjm + 1, llm) masse d'air |
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REAL, intent(in):: phis(:, :) ! (iim + 1, jjm + 1) surface geopotential |
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REAL, intent(inout):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx) |
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! mass fractions of advected fields |
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! Local: |
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REAL pks(iim + 1, jjm + 1) ! exner au sol |
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REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches |
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REAL pkf(iim + 1, jjm + 1, llm) ! exner filtr\'e au milieu des couches |
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REAL phi(iim + 1, jjm + 1, llm) ! geopotential |
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REAL w(iim + 1, jjm + 1, llm) ! vitesse verticale |
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! Variables dynamiques interm\'ediaires pour le transport |
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! Flux de masse : |
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REAL pbaru(iim + 1, jjm + 1, llm), pbarv(iim + 1, jjm, llm) |
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! Variables dynamiques au pas - 1 |
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REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm) |
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REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1) |
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REAL massem1(iim + 1, jjm + 1, llm) |
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! Tendances dynamiques |
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REAL dv((iim + 1) * jjm, llm), du(iim + 1, jjm + 1, llm) |
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REAL dteta(iim + 1, jjm + 1, llm) |
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real dp(iim + 1, jjm + 1) |
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! Tendances de la dissipation : |
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REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm) |
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REAL dtetadis(iim + 1, jjm + 1, llm) |
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! Tendances physiques |
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REAL dvfi(iim + 1, jjm, llm), dufi(iim + 1, jjm + 1, llm) |
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REAL dtetafi(iim + 1, jjm + 1, llm), dqfi(iim + 1, jjm + 1, llm, nqmx) |
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! Variables pour le fichier histoire |
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INTEGER itau ! index of the time step of the dynamics, starts at 0 |
INTEGER itau ! index of the time step of the dynamics, starts at 0 |
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INTEGER iday ! jour julien |
INTEGER itaufin |
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REAL time ! time of day, as a fraction of day length |
INTEGER l |
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real finvmaold(ip1jmp1, llm) |
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LOGICAL :: lafin=.false. |
! Variables test conservation \'energie |
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INTEGER ij, l |
REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm) |
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REAL rdayvrai, rdaym_ini |
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! Variables test conservation energie |
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REAL ecin(ip1jmp1, llm), ecin0(ip1jmp1, llm) |
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! Tendance de la temp. potentiel d (theta) / d t due a la |
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! tansformation d'energie cinetique en energie thermique |
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! cree par la dissipation |
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REAL dtetaecdt(ip1jmp1, llm) |
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REAL vcont(ip1jm, llm), ucont(ip1jmp1, llm) |
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CHARACTER*15 ztit |
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INTEGER:: ip_ebil_dyn = 0 ! PRINT level for energy conserv. diag. |
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logical:: dissip_conservative = .true. |
REAL vcont((iim + 1) * jjm, llm), ucont((iim + 1) * (jjm + 1), llm) |
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logical forward, leapf, apphys, conser, apdiss |
logical leapf |
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real dt ! time step, in s |
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REAL p3d(iim + 1, jjm + 1, llm + 1) ! pressure at layer interfaces, in Pa |
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! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)", |
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! for interface "l") |
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!--------------------------------------------------- |
!--------------------------------------------------- |
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print *, "Call sequence information: leapfrog" |
print *, "Call sequence information: leapfrog" |
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call assert(shape(ucov) == (/iim + 1, jjm + 1, llm/), "leapfrog") |
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itaufin = nday * day_step |
itaufin = nday * day_step |
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itau = 0 |
! "day_step" is a multiple of "iperiod", therefore so is "itaufin". |
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iday = day_ini |
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time = time_0 |
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dq = 0. |
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! On initialise la pression et la fonction d'Exner : |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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! Debut de l'integration temporelle: |
! On initialise la pression et la fonction d'Exner : |
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outer_loop:do |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
CALL exner_hyb(ps, p3d, pks, pk) |
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call guide(itau, ucov, vcov, teta, q, masse, ps) |
pkf = pk |
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vcovm1 = vcov |
CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
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ucovm1 = ucov |
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tetam1 = teta |
time_integration: do itau = 0, itaufin - 1 |
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massem1 = masse |
leapf = mod(itau, iperiod) /= 0 |
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psm1 = ps |
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forward = .TRUE. |
if (leapf) then |
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leapf = .FALSE. |
dt = 2 * dtvr |
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dt = dtvr |
else |
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finvmaold = masse |
! Matsuno |
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CALL filtreg(finvmaold, jjp1, llm, - 2, 2, .TRUE., 1) |
dt = dtvr |
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if (ok_guide) call guide(itau, ucov, vcov, teta, q(:, :, :, 1), ps) |
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do |
vcovm1 = vcov |
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! gestion des appels de la physique et des dissipations: |
ucovm1 = ucov |
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apphys = MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0 |
tetam1 = teta |
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conser = MOD(itau, iconser) == 0 |
massem1 = masse |
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apdiss = MOD(itau + 1, idissip) == 0 |
psm1 = ps |
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end if |
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! calcul des tendances dynamiques: |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
! Calcul des tendances dynamiques: |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL geopot(teta, pk, pks, phis, phi) |
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conser, du, dv, dteta, dp, w, pbaru, pbarv, & |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, du, & |
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time + iday - day_ini) |
dv, dteta, dp, w, pbaru, pbarv, conser = MOD(itau, iconser) == 0) |
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IF (forward .OR. leapf) THEN |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, teta, pk) |
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! calcul des tendances advection des traceurs (dont l'humidite) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
! Int\'egrations dynamique et traceurs: |
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IF (offline) THEN |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, dp, & |
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! Stokage du flux de masse pour traceurs off-line |
vcov, ucov, teta, q(:, :, :, :2), ps, masse, dt, leapf) |
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CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, dtvr, & |
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itau) |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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ENDIF |
CALL exner_hyb(ps, p3d, pks, pk) |
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ENDIF |
pkf = pk |
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CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
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if (.not. leapf) then |
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! Matsuno backward |
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! Calcul des tendances dynamiques: |
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CALL geopot(teta, pk, pks, phis, phi) |
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CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
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phi, du, dv, dteta, dp, w, pbaru, pbarv, conser = .false.) |
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! integrations dynamique et traceurs: |
! integrations dynamique et traceurs: |
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CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, & |
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dteta, dq, dp, vcov, ucov, teta, q, ps, masse, phis, & |
dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, dtvr, & |
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finvmaold, leapf) |
leapf=.false.) |
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IF (apphys) THEN |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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! calcul des tendances physiques: |
CALL exner_hyb(ps, p3d, pks, pk) |
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IF (itau + 1 == itaufin) lafin = .TRUE. |
pkf = pk |
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CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
end if |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys) THEN |
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rdaym_ini = itau * dtvr / daysec |
CALL calfis(ucov, vcov, teta, q, p3d, pk, phis, phi, w, dufi, dvfi, & |
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rdayvrai = rdaym_ini + day_ini |
dtetafi, dqfi, dayvrai = itau / day_step + day_ini, & |
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time = REAL(mod(itau, day_step)) / day_step, & |
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! Diagnostique de conservation de l'énergie : initialisation |
lafin = itau + 1 == itaufin) |
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IF (ip_ebil_dyn >= 1) THEN |
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ztit='bil dyn' |
CALL addfi(ucov, vcov, teta, q, dufi, dvfi, dtetafi, dqfi) |
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CALL diagedyn(ztit, 2, 1, 1, dtphys, ucov, vcov, ps, p3d, pk, & |
ENDIF |
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teta, q(:, :, 1), q(:, :, 2)) |
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ENDIF |
IF (MOD(itau + 1, idissip) == 0) THEN |
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! Dissipation horizontale et verticale des petites \'echelles |
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CALL calfis(nqmx, lafin, rdayvrai, time, ucov, vcov, teta, q, & |
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masse, ps, pk, phis, phi, du, dv, dteta, dq, w, & |
! calcul de l'\'energie cin\'etique avant dissipation |
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dufi, dvfi, dtetafi, dqfi, dpfi) |
call covcont(llm, ucov, vcov, ucont, vcont) |
| 176 |
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call enercin(vcov, ucov, vcont, ucont, ecin0) |
| 177 |
! ajout des tendances physiques: |
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| 178 |
CALL addfi(nqmx, dtphys, & |
! dissipation |
| 179 |
ucov, vcov, teta, q, ps, & |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
| 180 |
dufi, dvfi, dtetafi, dqfi, dpfi) |
ucov = ucov + dudis |
| 181 |
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vcov = vcov + dvdis |
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! Diagnostique de conservation de l'énergie : difference |
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| 183 |
IF (ip_ebil_dyn >= 1) THEN |
! On ajoute la tendance due \`a la transformation \'energie |
| 184 |
ztit = 'bil phys' |
! cin\'etique en \'energie thermique par la dissipation |
| 185 |
CALL diagedyn(ztit, 2, 1, 1, dtphys, ucov, vcov, ps, p3d, pk, & |
call covcont(llm, ucov, vcov, ucont, vcont) |
| 186 |
teta, q(:, :, 1), q(:, :, 2)) |
call enercin(vcov, ucov, vcont, ucont, ecin) |
| 187 |
ENDIF |
dtetadis = dtetadis + (ecin0 - ecin) / pk |
| 188 |
ENDIF |
teta = teta + dtetadis |
| 189 |
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| 190 |
CALL pression(ip1jmp1, ap, bp, ps, p3d) |
! Calcul de la valeur moyenne aux p\^oles : |
| 191 |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
forall (l = 1: llm) |
| 192 |
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teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) / apoln |
| 193 |
IF (apdiss) THEN |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm + 1) & |
| 194 |
! dissipation horizontale et verticale des petites echelles: |
* teta(:iim, jjm + 1, l)) / apols |
| 195 |
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END forall |
| 196 |
! calcul de l'energie cinetique avant dissipation |
END IF |
| 197 |
call covcont(llm, ucov, vcov, ucont, vcont) |
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| 198 |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
IF (MOD(itau + 1, iperiod) == 0) THEN |
| 199 |
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call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, & |
| 200 |
! dissipation |
q(:, :, :, 1)) |
| 201 |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
ENDIF |
| 202 |
ucov=ucov + dudis |
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| 203 |
vcov=vcov + dvdis |
CALL geopot(teta, pk, pks, phis, phi) |
| 204 |
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CALL writehist(vcov, ucov, teta, pk, phi, q, masse, ps, & |
| 205 |
if (dissip_conservative) then |
itau_w = itau_dyn + itau + 1) |
| 206 |
! On rajoute la tendance due a la transform. Ec -> E |
end do time_integration |
| 207 |
! therm. cree lors de la dissipation |
|
| 208 |
call covcont(llm, ucov, vcov, ucont, vcont) |
CALL dynredem1(vcov, ucov, teta, q, masse, ps, itau = itau_dyn + itaufin) |
| 209 |
call enercin(vcov, ucov, vcont, ucont, ecin) |
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| 210 |
dtetaecdt= (ecin0 - ecin) / pk |
! Calcul des tendances dynamiques: |
| 211 |
dtetadis=dtetadis + dtetaecdt |
CALL geopot(teta, pk, pks, phis, phi) |
| 212 |
endif |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, du, & |
| 213 |
teta=teta + dtetadis |
dv, dteta, dp, w, pbaru, pbarv, conser = MOD(itaufin, iconser) == 0) |
|
|
|
|
! Calcul de la valeur moyenne, unique de h aux poles ..... |
|
|
DO l = 1, llm |
|
|
DO ij = 1, iim |
|
|
tppn(ij) = aire(ij) * teta(ij, l) |
|
|
tpps(ij) = aire(ij + ip1jm) * teta(ij + ip1jm, l) |
|
|
ENDDO |
|
|
tpn = SUM(tppn) / apoln |
|
|
tps = SUM(tpps) / apols |
|
|
|
|
|
DO ij = 1, iip1 |
|
|
teta(ij, l) = tpn |
|
|
teta(ij + ip1jm, l) = tps |
|
|
ENDDO |
|
|
ENDDO |
|
|
|
|
|
DO ij = 1, iim |
|
|
tppn(ij) = aire(ij) * ps(ij) |
|
|
tpps(ij) = aire(ij + ip1jm) * ps(ij + ip1jm) |
|
|
ENDDO |
|
|
tpn = SUM(tppn) / apoln |
|
|
tps = SUM(tpps) / apols |
|
|
|
|
|
DO ij = 1, iip1 |
|
|
ps(ij) = tpn |
|
|
ps(ij + ip1jm) = tps |
|
|
ENDDO |
|
|
END IF |
|
|
|
|
|
! fin de l'intégration dynamique et physique pour le pas "itau" |
|
|
! préparation du pas d'intégration suivant |
|
|
|
|
|
! schema matsuno + leapfrog |
|
|
IF (forward .OR. leapf) THEN |
|
|
itau = itau + 1 |
|
|
iday = day_ini + itau / day_step |
|
|
time = REAL(itau - (iday - day_ini) * day_step) / day_step & |
|
|
+ time_0 |
|
|
IF (time > 1.) THEN |
|
|
time = time - 1. |
|
|
iday = iday + 1 |
|
|
ENDIF |
|
|
ENDIF |
|
|
|
|
|
IF (itau == itaufin + 1) exit outer_loop |
|
|
|
|
|
IF (MOD(itau, iperiod) == 0 .OR. itau == itaufin) THEN |
|
|
! ecriture du fichier histoire moyenne: |
|
|
CALL writedynav(histaveid, nqmx, itau, vcov, & |
|
|
ucov, teta, pk, phi, q, masse, ps, phis) |
|
|
call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
|
|
ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
|
|
ENDIF |
|
|
|
|
|
IF (itau == itaufin) THEN |
|
|
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps) |
|
|
ENDIF |
|
|
|
|
|
! gestion de l'integration temporelle: |
|
|
IF (MOD(itau, iperiod) == 0) exit |
|
|
IF (MOD(itau - 1, iperiod) == 0) THEN |
|
|
IF (forward) THEN |
|
|
! fin du pas forward et debut du pas backward |
|
|
forward = .FALSE. |
|
|
leapf = .FALSE. |
|
|
ELSE |
|
|
! fin du pas backward et debut du premier pas leapfrog |
|
|
leapf = .TRUE. |
|
|
dt = 2. * dtvr |
|
|
END IF |
|
|
ELSE |
|
|
! pas leapfrog |
|
|
leapf = .TRUE. |
|
|
dt = 2. * dtvr |
|
|
END IF |
|
|
end do |
|
|
end do outer_loop |
|
| 214 |
|
|
| 215 |
END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
| 216 |
|
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