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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 |
10 |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
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! Intégration temporelle du modèle : Matsuno-leapfrog scheme. |
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14 |
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use addfi_m, only: addfi |
15 |
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use bilan_dyn_m, only: bilan_dyn |
16 |
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use caladvtrac_m, only: caladvtrac |
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use caldyn_m, only: caldyn |
18 |
USE calfis_m, ONLY: calfis |
USE calfis_m, ONLY: calfis |
19 |
USE com_io_dyn, ONLY: histaveid |
USE comconst, ONLY: dtvr |
20 |
USE comconst, ONLY: daysec, dtphys, dtvr |
USE comgeom, ONLY: aire_2d, apoln, apols |
21 |
USE comgeom, ONLY: aire, apoln, apols |
use covcont_m, only: covcont |
22 |
USE comvert, ONLY: ap, bp |
USE disvert_m, ONLY: ap, bp |
23 |
USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, offline, & |
USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, offline, & |
24 |
periodav |
iflag_phys, iecri |
25 |
USE dimens_m, ONLY: iim, llm, nqmx |
USE conf_guide_m, ONLY: ok_guide |
26 |
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USE dimens_m, ONLY: iim, jjm, llm, nqmx |
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use dissip_m, only: dissip |
28 |
USE dynetat0_m, ONLY: day_ini |
USE dynetat0_m, ONLY: day_ini |
29 |
use dynredem1_m, only: dynredem1 |
use dynredem1_m, only: dynredem1 |
30 |
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use enercin_m, only: enercin |
31 |
USE exner_hyb_m, ONLY: exner_hyb |
USE exner_hyb_m, ONLY: exner_hyb |
32 |
use filtreg_m, only: filtreg |
use filtreg_scal_m, only: filtreg_scal |
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use fluxstokenc_m, only: fluxstokenc |
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use geopot_m, only: geopot |
35 |
USE guide_m, ONLY: guide |
USE guide_m, ONLY: guide |
36 |
use inidissip_m, only: idissip |
use inidissip_m, only: idissip |
37 |
USE logic, ONLY: iflag_phys, ok_guide |
use integrd_m, only: integrd |
38 |
USE paramet_m, ONLY: iip1, ip1jm, ip1jmp1, jjp1 |
use nr_util, only: assert |
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USE pression_m, ONLY: pression |
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USE pressure_var, ONLY: p3d |
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39 |
USE temps, ONLY: itau_dyn |
USE temps, ONLY: itau_dyn |
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use writedynav_m, only: writedynav |
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use writehist_m, only: writehist |
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! Variables dynamiques: |
! Variables dynamiques: |
44 |
REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
45 |
REAL teta(ip1jmp1, llm) ! temperature potentielle |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
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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: |
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! potential temperature |
49 |
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! Variables dynamiques: |
REAL, intent(inout):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol, en Pa |
51 |
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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 |
53 |
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54 |
REAL pks(ip1jmp1) ! exner au sol |
REAL, intent(inout):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx) |
55 |
REAL pk(ip1jmp1, llm) ! exner au milieu des couches |
! mass fractions of advected fields |
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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 |
! Local: |
58 |
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59 |
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! Variables dynamiques: |
60 |
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61 |
REAL tppn(iim), tpps(iim), tpn, tps |
REAL pks(iim + 1, jjm + 1) ! exner au sol |
62 |
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REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches |
63 |
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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 |
65 |
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REAL w(iim + 1, jjm + 1, llm) ! vitesse verticale |
66 |
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67 |
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! Variables dynamiques intermediaire pour le transport |
68 |
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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 |
72 |
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REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm) |
73 |
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REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1) |
74 |
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REAL massem1(iim + 1, jjm + 1, llm) |
75 |
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76 |
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! Tendances dynamiques |
77 |
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REAL dv((iim + 1) * jjm, llm), dudyn(iim + 1, jjm + 1, llm) |
78 |
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REAL dteta(iim + 1, jjm + 1, llm) |
79 |
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real dp((iim + 1) * (jjm + 1)) |
80 |
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81 |
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! Tendances de la dissipation : |
82 |
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REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm) |
83 |
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REAL dtetadis(iim + 1, jjm + 1, llm) |
84 |
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85 |
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! Tendances physiques |
86 |
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REAL dvfi(iim + 1, jjm, llm), dufi(iim + 1, jjm + 1, llm) |
87 |
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REAL dtetafi(iim + 1, jjm + 1, llm), dqfi(iim + 1, jjm + 1, llm, nqmx) |
88 |
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89 |
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! Variables pour le fichier histoire |
90 |
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 |
91 |
INTEGER itaufin |
INTEGER itaufin |
92 |
INTEGER iday ! jour julien |
INTEGER l |
93 |
REAL time ! time of day, as a fraction of day length |
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94 |
real finvmaold(ip1jmp1, llm) |
! Variables test conservation \'energie |
95 |
LOGICAL:: lafin=.false. |
REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm) |
96 |
INTEGER ij, l |
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97 |
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REAL vcont((iim + 1) * jjm, llm), ucont((iim + 1) * (jjm + 1), llm) |
98 |
REAL rdayvrai, rdaym_ini |
logical leapf |
99 |
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real dt ! time step, in s |
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! Variables test conservation energie |
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REAL ecin(ip1jmp1, llm), ecin0(ip1jmp1, llm) |
REAL p3d(iim + 1, jjm + 1, llm+1) ! pressure at layer interfaces, in Pa |
102 |
! Tendance de la temp. potentiel d (theta) / d t due a la |
! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)", |
103 |
! tansformation d'energie cinetique en energie thermique |
! for interface "l") |
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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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logical forward, leapf |
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REAL dt |
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!--------------------------------------------------- |
!--------------------------------------------------- |
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print *, "Call sequence information: leapfrog" |
print *, "Call sequence information: leapfrog" |
108 |
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call assert(shape(ucov) == (/iim + 1, jjm + 1, llm/), "leapfrog") |
109 |
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110 |
itaufin = nday * day_step |
itaufin = nday * day_step |
111 |
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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113 |
! Début 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) |
116 |
call guide(itau, ucov, vcov, teta, q, masse, ps) |
pkf = pk |
117 |
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 |
if (leapf) then |
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forward = .TRUE. |
dt = 2 * dtvr |
123 |
leapf = .FALSE. |
else |
124 |
dt = dtvr |
! Matsuno |
125 |
finvmaold = masse |
dt = dtvr |
126 |
CALL filtreg(finvmaold, jjp1, llm, - 2, 2, .TRUE., 1) |
if (ok_guide) call guide(itau, ucov, vcov, teta, q(:, :, :, 1), ps) |
127 |
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vcovm1 = vcov |
128 |
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ucovm1 = ucov |
129 |
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tetam1 = teta |
130 |
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massem1 = masse |
131 |
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psm1 = ps |
132 |
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end if |
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134 |
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! Calcul des tendances dynamiques: |
135 |
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CALL geopot(teta, pk, pks, phis, phi) |
136 |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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dudyn, dv, dteta, dp, w, pbaru, pbarv, & |
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conser = MOD(itau, iconser) == 0) |
139 |
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140 |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, teta, pk) |
141 |
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142 |
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! Stokage du flux de masse pour traceurs offline: |
143 |
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IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
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dtvr, itau) |
145 |
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146 |
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! Int\'egrations dynamique et traceurs: |
147 |
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CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, dteta, & |
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dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, dt, leapf) |
149 |
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150 |
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forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
151 |
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CALL exner_hyb(ps, p3d, pks, pk) |
152 |
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pkf = pk |
153 |
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CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
154 |
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155 |
do |
if (.not. leapf) then |
156 |
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! Matsuno backward |
157 |
! Calcul des tendances dynamiques: |
! Calcul des tendances dynamiques: |
158 |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
CALL geopot(teta, pk, pks, phis, phi) |
159 |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
160 |
MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
phi, dudyn, dv, dteta, dp, w, pbaru, pbarv, conser = .false.) |
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time + iday - day_ini) |
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IF (forward .OR. leapf) THEN |
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! Calcul des tendances advection des traceurs (dont l'humidité) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
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IF (offline) THEN |
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! Stokage du flux de masse pour traceurs off-line |
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CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, dtvr, & |
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itau) |
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ENDIF |
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ENDIF |
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161 |
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162 |
! integrations dynamique et traceurs: |
! integrations dynamique et traceurs: |
163 |
CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, & |
164 |
dteta, dq, dp, vcov, ucov, teta, q, ps, masse, phis, & |
dteta, dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, dtvr, & |
165 |
finvmaold, leapf, dt) |
leapf=.false.) |
166 |
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167 |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
168 |
! calcul des tendances physiques: |
CALL exner_hyb(ps, p3d, pks, pk) |
169 |
IF (itau + 1 == itaufin) lafin = .TRUE. |
pkf = pk |
170 |
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CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
171 |
CALL pression(ip1jmp1, ap, bp, ps, p3d) |
end if |
172 |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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173 |
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IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
174 |
rdaym_ini = itau * dtvr / daysec |
CALL calfis(ucov, vcov, teta, q, p3d, pk, phis, phi, w, dufi, dvfi, & |
175 |
rdayvrai = rdaym_ini + day_ini |
dtetafi, dqfi, dayvrai = itau / day_step + day_ini, & |
176 |
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time = REAL(mod(itau, day_step)) / day_step, & |
177 |
CALL calfis(nqmx, lafin, rdayvrai, time, ucov, vcov, teta, q, & |
lafin = itau + 1 == itaufin) |
178 |
masse, ps, pk, phis, phi, du, dv, dteta, dq, w, & |
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179 |
dufi, dvfi, dtetafi, dqfi, dpfi) |
CALL addfi(ucov, vcov, teta, q, dufi, dvfi, dtetafi, dqfi) |
180 |
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ENDIF |
181 |
! ajout des tendances physiques: |
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182 |
CALL addfi(nqmx, dtphys, & |
IF (MOD(itau + 1, idissip) == 0) THEN |
183 |
ucov, vcov, teta, q, ps, & |
! Dissipation horizontale et verticale des petites \'echelles |
184 |
dufi, dvfi, dtetafi, dqfi, dpfi) |
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185 |
ENDIF |
! calcul de l'\'energie cin\'etique avant dissipation |
186 |
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call covcont(llm, ucov, vcov, ucont, vcont) |
187 |
CALL pression(ip1jmp1, ap, bp, ps, p3d) |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
188 |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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189 |
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! dissipation |
190 |
IF (MOD(itau + 1, idissip) == 0) THEN |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
191 |
! dissipation horizontale et verticale des petites echelles: |
ucov = ucov + dudis |
192 |
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vcov = vcov + dvdis |
193 |
! calcul de l'energie cinetique avant dissipation |
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194 |
call covcont(llm, ucov, vcov, ucont, vcont) |
! On ajoute la tendance due \`a la transformation \'energie |
195 |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
! cin\'etique en \'energie thermique par la dissipation |
196 |
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call covcont(llm, ucov, vcov, ucont, vcont) |
197 |
! dissipation |
call enercin(vcov, ucov, vcont, ucont, ecin) |
198 |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
dtetadis = dtetadis + (ecin0 - ecin) / pk |
199 |
ucov=ucov + dudis |
teta = teta + dtetadis |
200 |
vcov=vcov + dvdis |
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201 |
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! Calcul de la valeur moyenne aux p\^oles : |
202 |
! On rajoute la tendance due à la transformation Ec -> E |
forall (l = 1: llm) |
203 |
! thermique créée lors de la dissipation |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
204 |
call covcont(llm, ucov, vcov, ucont, vcont) |
/ apoln |
205 |
call enercin(vcov, ucov, vcont, ucont, ecin) |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
206 |
dtetaecdt= (ecin0 - ecin) / pk |
* teta(:iim, jjm + 1, l)) / apols |
207 |
dtetadis=dtetadis + dtetaecdt |
END forall |
208 |
teta=teta + dtetadis |
END IF |
209 |
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210 |
! Calcul de la valeur moyenne unique de h aux pôles |
IF (MOD(itau + 1, iperiod) == 0) THEN |
211 |
DO l = 1, llm |
! \'Ecriture du fichier histoire moyenne: |
212 |
DO ij = 1, iim |
CALL writedynav(vcov, ucov, teta, pk, phi, q, masse, ps, phis, & |
213 |
tppn(ij) = aire(ij) * teta(ij, l) |
time = itau + 1) |
214 |
tpps(ij) = aire(ij + ip1jm) * teta(ij + ip1jm, l) |
call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, & |
215 |
ENDDO |
q(:, :, :, 1)) |
216 |
tpn = SUM(tppn) / apoln |
ENDIF |
217 |
tps = SUM(tpps) / apols |
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218 |
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IF (MOD(itau + 1, iecri * day_step) == 0) THEN |
219 |
DO ij = 1, iip1 |
CALL geopot(teta, pk, pks, phis, phi) |
220 |
teta(ij, l) = tpn |
CALL writehist(itau, vcov, ucov, teta, phi, masse, ps) |
221 |
teta(ij + ip1jm, l) = tps |
END IF |
222 |
ENDDO |
end do time_integration |
223 |
ENDDO |
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224 |
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CALL dynredem1(vcov, ucov, teta, q, masse, ps, itau = itau_dyn + itaufin) |
225 |
DO ij = 1, iim |
|
226 |
tppn(ij) = aire(ij) * ps(ij) |
! Calcul des tendances dynamiques: |
227 |
tpps(ij) = aire(ij + ip1jm) * ps(ij + ip1jm) |
CALL geopot(teta, pk, pks, phis, phi) |
228 |
ENDDO |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
229 |
tpn = SUM(tppn) / apoln |
dudyn, dv, dteta, dp, w, pbaru, pbarv, & |
230 |
tps = SUM(tpps) / apols |
conser = MOD(itaufin, iconser) == 0) |
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DO ij = 1, iip1 |
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ps(ij) = tpn |
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ps(ij + ip1jm) = tps |
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ENDDO |
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END IF |
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! fin de l'intégration dynamique et physique pour le pas "itau" |
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! préparation du pas d'intégration suivant |
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! schema matsuno + leapfrog |
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IF (forward .OR. leapf) THEN |
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itau = itau + 1 |
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iday = day_ini + itau / day_step |
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time = REAL(itau - (iday - day_ini) * day_step) / day_step & |
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+ time_0 |
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IF (time > 1.) THEN |
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time = time - 1. |
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iday = iday + 1 |
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ENDIF |
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ENDIF |
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IF (itau == itaufin + 1) exit outer_loop |
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IF (MOD(itau, iperiod) == 0 .OR. itau == itaufin) THEN |
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! ecriture du fichier histoire moyenne: |
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CALL writedynav(histaveid, nqmx, itau, vcov, & |
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ucov, teta, pk, phi, q, masse, ps, phis) |
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call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
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ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
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ENDIF |
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IF (itau == itaufin) THEN |
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CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
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itau=itau_dyn+itaufin) |
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ENDIF |
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! gestion de l'integration temporelle: |
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IF (MOD(itau, iperiod) == 0) exit |
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IF (MOD(itau - 1, iperiod) == 0) THEN |
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IF (forward) THEN |
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! fin du pas forward et debut du pas backward |
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forward = .FALSE. |
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leapf = .FALSE. |
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ELSE |
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! fin du pas backward et debut du premier pas leapfrog |
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leapf = .TRUE. |
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dt = 2. * dtvr |
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END IF |
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ELSE |
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! pas leapfrog |
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leapf = .TRUE. |
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dt = 2. * dtvr |
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END IF |
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end do |
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end do outer_loop |
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231 |
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232 |
END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
233 |
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