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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 |
10 |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
11 |
! schema matsuno + leapfrog |
! Matsuno-leapfrog scheme. |
12 |
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13 |
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use addfi_m, only: addfi |
14 |
USE calfis_m, ONLY: calfis |
USE calfis_m, ONLY: calfis |
15 |
USE com_io_dyn, ONLY: histaveid |
USE com_io_dyn, ONLY: histaveid |
16 |
USE comconst, ONLY: daysec, dtphys, dtvr |
USE comconst, ONLY: daysec, dtphys, dtvr |
28 |
use integrd_m, only: integrd |
use integrd_m, only: integrd |
29 |
USE logic, ONLY: iflag_phys, ok_guide |
USE logic, ONLY: iflag_phys, ok_guide |
30 |
USE paramet_m, ONLY: ip1jmp1 |
USE paramet_m, ONLY: ip1jmp1 |
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USE pression_m, ONLY: pression |
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31 |
USE pressure_var, ONLY: p3d |
USE pressure_var, ONLY: p3d |
32 |
USE temps, ONLY: itau_dyn |
USE temps, ONLY: itau_dyn |
33 |
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34 |
! Variables dynamiques: |
! Variables dynamiques: |
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REAL, intent(inout):: vcov((iim + 1) * jjm, llm) ! vent covariant |
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35 |
REAL, intent(inout):: ucov(ip1jmp1, llm) ! vent covariant |
REAL, intent(inout):: ucov(ip1jmp1, llm) ! vent covariant |
36 |
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REAL, intent(inout):: vcov((iim + 1) * jjm, llm) ! vent covariant |
37 |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
38 |
REAL ps(iim + 1, jjm + 1) ! pression au sol, en Pa |
REAL ps(iim + 1, jjm + 1) ! pression au sol, en Pa |
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REAL masse(ip1jmp1, llm) ! masse d'air |
REAL masse(ip1jmp1, llm) ! masse d'air |
40 |
REAL phis(ip1jmp1) ! geopotentiel au sol |
REAL phis(ip1jmp1) ! geopotentiel au sol |
41 |
REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
75 |
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76 |
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 |
77 |
INTEGER itaufin |
INTEGER itaufin |
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INTEGER iday ! jour julien |
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REAL time ! time of day, as a fraction of day length |
REAL time ! time of day, as a fraction of day length |
79 |
real finvmaold(ip1jmp1, llm) |
real finvmaold(ip1jmp1, llm) |
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LOGICAL:: lafin=.false. |
INTEGER l |
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INTEGER i, j, l |
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REAL rdayvrai, rdaym_ini |
REAL rdayvrai, rdaym_ini |
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! Variables test conservation energie |
! Variables test conservation energie |
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! cree par la dissipation |
! cree par la dissipation |
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REAL dtetaecdt(iim + 1, jjm + 1, llm) |
REAL dtetaecdt(iim + 1, jjm + 1, llm) |
89 |
REAL vcont((iim + 1) * jjm, llm), ucont(ip1jmp1, llm) |
REAL vcont((iim + 1) * jjm, llm), ucont(ip1jmp1, llm) |
90 |
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logical leapf |
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real dt |
92 |
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!--------------------------------------------------- |
!--------------------------------------------------- |
94 |
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itaufin = nday * day_step |
itaufin = nday * day_step |
98 |
! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too |
! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too |
99 |
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itau = 0 |
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iday = day_ini |
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time = time_0 |
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dq = 0. |
dq = 0. |
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! On initialise la pression et la fonction d'Exner : |
! On initialise la pression et la fonction d'Exner : |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
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! Début de l'integration temporelle : |
! Début de l'integration temporelle : |
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period_loop:do i = 1, itaufin / iperiod |
do itau = 0, itaufin - 1 |
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! {"itau" is a multiple of "iperiod"} |
leapf = mod(itau, iperiod) /= 0 |
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if (leapf) then |
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! 1. Matsuno forward: |
dt = 2 * dtvr |
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else |
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if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
! Matsuno |
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call guide(itau, ucov, vcov, teta, q, masse, ps) |
dt = dtvr |
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vcovm1 = vcov |
if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
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ucovm1 = ucov |
call guide(itau, ucov, vcov, teta, q, masse, ps) |
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tetam1 = teta |
vcovm1 = vcov |
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massem1 = masse |
ucovm1 = ucov |
118 |
psm1 = ps |
tetam1 = teta |
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finvmaold = masse |
massem1 = masse |
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CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
psm1 = ps |
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finvmaold = masse |
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CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
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end if |
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! Calcul des tendances dynamiques: |
! Calcul des tendances dynamiques: |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
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time + iday - day_ini) |
time_0) |
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! Calcul des tendances advection des traceurs (dont l'humidité) |
! Calcul des tendances advection des traceurs (dont l'humidité) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
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! Stokage du flux de masse pour traceurs offline: |
! Stokage du flux de masse pour traceurs offline: |
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IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
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dtvr, itau) |
dtvr, itau) |
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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, dteta, & |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, dp, & |
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dp, vcov, ucov, teta, q, ps, masse, finvmaold, .false., & |
vcov, ucov, teta, q(:, :, :2), ps, masse, finvmaold, dt, leapf) |
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dtvr) |
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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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! 2. Matsuno backward: |
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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 + 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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! Calcul des tendances dynamiques: |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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.false., du, dv, dteta, dp, w, pbaru, pbarv, time + iday - day_ini) |
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! integrations dynamique et traceurs: |
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CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, & |
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dp, vcov, ucov, teta, q, ps, masse, finvmaold, .false., & |
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dtvr) |
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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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142 |
! 3. Leapfrog: |
if (.not. leapf) then |
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! Matsuno backward |
144 |
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forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
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CALL exner_hyb(ps, p3d, pks, pk, pkf) |
146 |
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leapfrog_loop: do j = 1, iperiod - 1 |
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! Calcul des tendances dynamiques: |
! Calcul des tendances dynamiques: |
148 |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
149 |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
150 |
.false., du, dv, dteta, dp, w, pbaru, pbarv, & |
phi, .false., du, dv, dteta, dp, w, pbaru, pbarv, time_0) |
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time + iday - day_ini) |
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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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! Stokage du flux de masse pour traceurs off-line: |
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IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
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dtvr, itau) |
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! integrations dynamique et traceurs: |
! integrations dynamique et traceurs: |
153 |
CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, & |
154 |
dteta, dp, vcov, ucov, teta, q, ps, masse, & |
dp, vcov, ucov, teta, q(:, :, :2), ps, masse, finvmaold, dtvr, & |
155 |
finvmaold, .true., 2 * dtvr) |
leapf=.false.) |
156 |
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end if |
157 |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
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! calcul des tendances physiques: |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
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IF (itau + 1 == itaufin) lafin = .TRUE. |
! calcul des tendances physiques: |
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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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rdaym_ini = itau * dtvr / daysec |
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rdayvrai = rdaym_ini + day_ini |
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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, & |
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dufi, dvfi, dtetafi, dqfi, dpfi) |
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! ajout des tendances physiques: |
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CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, & |
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dtetafi, dqfi, dpfi) |
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ENDIF |
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161 |
CALL pression(ip1jmp1, ap, bp, ps, p3d) |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
162 |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
163 |
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164 |
IF (MOD(itau + 1, idissip) == 0) THEN |
rdaym_ini = itau * dtvr / daysec |
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! dissipation horizontale et verticale des petites echelles: |
rdayvrai = rdaym_ini + day_ini |
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time = REAL(mod(itau, day_step)) / day_step + time_0 |
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IF (time > 1.) time = time - 1. |
168 |
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169 |
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CALL calfis(rdayvrai, time, ucov, vcov, teta, q, masse, ps, pk, & |
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phis, phi, du, dv, dteta, dq, w, dufi, dvfi, dtetafi, dqfi, & |
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dpfi, lafin=itau+1==itaufin) |
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! ajout des tendances physiques: |
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CALL addfi(nqmx, dtphys, ucov, vcov, teta, q, ps, dufi, dvfi, & |
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dtetafi, dqfi, dpfi) |
176 |
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ENDIF |
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! calcul de l'energie cinetique avant dissipation |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
179 |
call covcont(llm, ucov, vcov, ucont, vcont) |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
180 |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
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181 |
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IF (MOD(itau + 1, idissip) == 0) THEN |
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! dissipation |
! dissipation horizontale et verticale des petites echelles: |
183 |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
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184 |
ucov=ucov + dudis |
! calcul de l'energie cinetique avant dissipation |
185 |
vcov=vcov + dvdis |
call covcont(llm, ucov, vcov, ucont, vcont) |
186 |
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call enercin(vcov, ucov, vcont, ucont, ecin0) |
187 |
! On rajoute la tendance due à la transformation Ec -> E |
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188 |
! thermique créée lors de la dissipation |
! dissipation |
189 |
call covcont(llm, ucov, vcov, ucont, vcont) |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
190 |
call enercin(vcov, ucov, vcont, ucont, ecin) |
ucov=ucov + dudis |
191 |
dtetaecdt= (ecin0 - ecin) / pk |
vcov=vcov + dvdis |
192 |
dtetadis=dtetadis + dtetaecdt |
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193 |
teta=teta + dtetadis |
! On rajoute la tendance due à la transformation Ec -> E |
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! thermique créée lors de la dissipation |
195 |
! Calcul de la valeur moyenne aux pôles : |
call covcont(llm, ucov, vcov, ucont, vcont) |
196 |
forall (l = 1: llm) |
call enercin(vcov, ucov, vcont, ucont, ecin) |
197 |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
dtetaecdt= (ecin0 - ecin) / pk |
198 |
/ apoln |
dtetadis=dtetadis + dtetaecdt |
199 |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
teta=teta + dtetadis |
200 |
* teta(:iim, jjm + 1, l)) / apols |
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201 |
END forall |
! Calcul de la valeur moyenne aux pôles : |
202 |
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forall (l = 1: llm) |
203 |
ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
204 |
ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) & |
/ apoln |
205 |
/ apols |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
206 |
END IF |
* teta(:iim, jjm + 1, l)) / apols |
207 |
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END forall |
208 |
itau = itau + 1 |
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209 |
iday = day_ini + itau / day_step |
ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln |
210 |
time = REAL(itau - (iday - day_ini) * day_step) / day_step + time_0 |
ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm+1) * ps(:iim, jjm + 1)) & |
211 |
IF (time > 1.) THEN |
/ apols |
212 |
time = time - 1. |
END IF |
213 |
iday = iday + 1 |
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214 |
ENDIF |
IF (MOD(itau + 1, iperiod) == 0) THEN |
215 |
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! ecriture du fichier histoire moyenne: |
216 |
IF (MOD(itau, iperiod) == 0) THEN |
CALL writedynav(histaveid, nqmx, itau + 1, vcov, ucov, teta, pk, & |
217 |
! ecriture du fichier histoire moyenne: |
phi, q, masse, ps, phis) |
218 |
CALL writedynav(histaveid, nqmx, itau, vcov, & |
call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, ps, & |
219 |
ucov, teta, pk, phi, q, masse, ps, phis) |
masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
220 |
call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
ENDIF |
221 |
ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
end do |
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ENDIF |
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end do leapfrog_loop |
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end do period_loop |
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222 |
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! {itau == itaufin} |
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223 |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
224 |
itau=itau_dyn+itaufin) |
itau=itau_dyn+itaufin) |
225 |
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227 |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
228 |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
229 |
MOD(itaufin, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
MOD(itaufin, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
230 |
time + iday - day_ini) |
time_0) |
231 |
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232 |
END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
233 |
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