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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 |
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! Authors: P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
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! schema matsuno + leapfrog |
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USE calfis_m, ONLY: calfis |
USE calfis_m, ONLY: calfis |
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USE com_io_dyn, ONLY: histaveid |
USE com_io_dyn, ONLY: histaveid |
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use filtreg_m, only: filtreg |
use filtreg_m, only: filtreg |
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USE guide_m, ONLY: guide |
USE guide_m, ONLY: guide |
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use inidissip_m, only: idissip |
use inidissip_m, only: idissip |
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use integrd_m, only: integrd |
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USE logic, ONLY: iflag_phys, ok_guide |
USE logic, ONLY: iflag_phys, ok_guide |
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USE paramet_m, ONLY: ip1jmp1 |
USE paramet_m, ONLY: ip1jmp1 |
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USE pression_m, ONLY: pression |
USE pression_m, ONLY: pression |
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USE temps, ONLY: itau_dyn |
USE temps, ONLY: itau_dyn |
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! Variables dynamiques: |
! Variables dynamiques: |
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REAL vcov((iim + 1) * jjm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL, intent(inout):: vcov((iim + 1) * jjm, llm) ! vent covariant |
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REAL, intent(inout):: ucov(ip1jmp1, llm) ! vent covariant |
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REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! potential temperature |
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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 time ! time of day, as a fraction of day length |
REAL time ! time of day, as a fraction of day length |
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real finvmaold(ip1jmp1, llm) |
real finvmaold(ip1jmp1, llm) |
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LOGICAL:: lafin=.false. |
LOGICAL:: lafin=.false. |
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INTEGER l |
INTEGER i, j, l |
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REAL rdayvrai, rdaym_ini |
REAL rdayvrai, rdaym_ini |
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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) |
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REAL vcont((iim + 1) * jjm, llm), ucont(ip1jmp1, llm) |
REAL vcont((iim + 1) * jjm, 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" |
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itaufin = nday * day_step |
itaufin = nday * day_step |
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! "day_step" is a multiple of "iperiod", therefore "itaufin" is one too |
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itau = 0 |
itau = 0 |
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iday = day_ini |
iday = day_ini |
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time = time_0 |
time = time_0 |
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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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outer_loop:do |
period_loop:do i = 1, itaufin / iperiod |
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! {"itau" is a multiple of "iperiod"} |
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! 1. Matsuno forward: |
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if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
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call guide(itau, ucov, vcov, teta, q, masse, ps) |
call guide(itau, ucov, vcov, teta, q, masse, ps) |
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vcovm1 = vcov |
vcovm1 = vcov |
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tetam1 = teta |
tetam1 = teta |
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massem1 = masse |
massem1 = masse |
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psm1 = ps |
psm1 = ps |
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forward = .TRUE. |
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leapf = .FALSE. |
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dt = dtvr |
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finvmaold = masse |
finvmaold = masse |
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CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE., 1) |
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do |
! 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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MOD(itau, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
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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 offline: |
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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: |
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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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! 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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! 3. Leapfrog: |
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leapfrog_loop: do j = 1, iperiod - 1 |
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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, & |
.false., du, dv, dteta, dp, w, pbaru, pbarv, & |
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time + iday - day_ini) |
time + iday - day_ini) |
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IF (forward .OR. leapf) THEN |
! Calcul des tendances advection des traceurs (dont l'humidité) |
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! Calcul des tendances advection des traceurs (dont l'humidité) |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
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CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
! Stokage du flux de masse pour traceurs off-line: |
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IF (offline) THEN |
IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
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! Stokage du flux de masse pour traceurs off-line |
dtvr, itau) |
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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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! integrations dynamique et traceurs: |
! integrations dynamique et traceurs: |
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CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
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dteta, dq, dp, vcov, ucov, teta, q, ps, masse, phis, & |
dteta, dp, vcov, ucov, teta, q, ps, masse, & |
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finvmaold, leapf, dt) |
finvmaold, .true., 2 * dtvr) |
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IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
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! calcul des tendances physiques: |
! calcul des tendances physiques: |
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dtetadis=dtetadis + dtetaecdt |
dtetadis=dtetadis + dtetaecdt |
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teta=teta + dtetadis |
teta=teta + dtetadis |
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! Calcul de la valeur moyenne unique de h aux pôles |
! Calcul de la valeur moyenne aux pôles : |
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forall (l = 1: llm) |
forall (l = 1: llm) |
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teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
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/ apoln |
/ apoln |
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/ apols |
/ apols |
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END IF |
END IF |
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! fin de l'intégration dynamique et physique pour le pas "itau" |
itau = itau + 1 |
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! préparation du pas d'intégration suivant |
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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! schema matsuno + leapfrog |
IF (time > 1.) THEN |
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IF (forward .OR. leapf) THEN |
time = time - 1. |
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itau = itau + 1 |
iday = iday + 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 |
ENDIF |
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IF (itau == itaufin + 1) exit outer_loop |
IF (MOD(itau, iperiod) == 0) THEN |
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IF (MOD(itau, iperiod) == 0 .OR. itau == itaufin) THEN |
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! ecriture du fichier histoire moyenne: |
! ecriture du fichier histoire moyenne: |
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CALL writedynav(histaveid, nqmx, itau, vcov, & |
CALL writedynav(histaveid, nqmx, itau, vcov, & |
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ucov, teta, pk, phi, q, masse, ps, phis) |
ucov, teta, pk, phi, q, masse, ps, phis) |
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call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
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ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
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ENDIF |
ENDIF |
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end do leapfrog_loop |
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end do period_loop |
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IF (itau == itaufin) CALL dynredem1("restart.nc", vcov, ucov, teta, & |
! {itau == itaufin} |
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q, masse, ps, itau=itau_dyn+itaufin) |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
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itau=itau_dyn+itaufin) |
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! gestion de l'integration temporelle: |
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IF (MOD(itau, iperiod) == 0) exit |
! Calcul des tendances dynamiques: |
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IF (MOD(itau - 1, iperiod) == 0) THEN |
CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
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IF (forward) THEN |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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! fin du pas forward et debut du pas backward |
MOD(itaufin, iconser) == 0, du, dv, dteta, dp, w, pbaru, pbarv, & |
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forward = .FALSE. |
time + iday - day_ini) |
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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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END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
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