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| 7 |
SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q, time_0) |
SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q, time_0) |
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| 9 |
! 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 |
! Auteurs: P. Le Van, L. Fairhead, F. Hourdin |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
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! Matsuno-leapfrog scheme. |
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| 13 |
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use addfi_m, only: addfi |
| 14 |
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use bilan_dyn_m, only: bilan_dyn |
| 15 |
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use caladvtrac_m, only: caladvtrac |
| 16 |
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use caldyn_m, only: caldyn |
| 17 |
USE calfis_m, ONLY: calfis |
USE calfis_m, ONLY: calfis |
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USE com_io_dyn, ONLY: histaveid |
|
| 18 |
USE comconst, ONLY: daysec, dtphys, dtvr |
USE comconst, ONLY: daysec, dtphys, dtvr |
| 19 |
USE comgeom, ONLY: aire, apoln, apols |
USE comgeom, ONLY: aire_2d, apoln, apols |
| 20 |
USE comvert, ONLY: ap, bp |
USE disvert_m, ONLY: ap, bp |
| 21 |
USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, & |
USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, offline, & |
| 22 |
nday, offline, periodav |
iflag_phys, ok_guide, iecri |
| 23 |
USE dimens_m, ONLY: iim, llm, nqmx |
USE dimens_m, ONLY: iim, jjm, llm, nqmx |
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|
use dissip_m, only: dissip |
| 25 |
USE dynetat0_m, ONLY: day_ini |
USE dynetat0_m, ONLY: day_ini |
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|
use dynredem1_m, only: dynredem1 |
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USE exner_hyb_m, ONLY: exner_hyb |
USE exner_hyb_m, ONLY: exner_hyb |
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use filtreg_m, only: filtreg |
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use fluxstokenc_m, only: fluxstokenc |
| 30 |
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use geopot_m, only: geopot |
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USE guide_m, ONLY: guide |
USE guide_m, ONLY: guide |
| 32 |
use inidissip_m, only: idissip |
use inidissip_m, only: idissip |
| 33 |
USE logic, ONLY: iflag_phys, ok_guide |
use integrd_m, only: integrd |
| 34 |
USE paramet_m, ONLY: iip1, ip1jm, ip1jmp1, jjp1 |
use nr_util, only: assert |
|
USE pression_m, ONLY: pression |
|
| 35 |
USE pressure_var, ONLY: p3d |
USE pressure_var, ONLY: p3d |
| 36 |
USE temps, ONLY: dt, itaufin |
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: |
| 41 |
REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
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REAL teta(ip1jmp1, llm) ! temperature potentielle |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
| 43 |
REAL ps(ip1jmp1) ! pression au sol, en Pa |
|
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REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL masse(ip1jmp1, llm) ! masse d'air |
! potential temperature |
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REAL phis(ip1jmp1) ! geopotentiel au sol |
|
| 47 |
REAL q(ip1jmp1, llm, nqmx) ! mass fractions of advected fields |
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) |
| 52 |
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! mass fractions of advected fields |
| 53 |
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REAL, intent(in):: time_0 |
REAL, intent(in):: time_0 |
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|
| 56 |
! Variables local to the procedure: |
! Local: |
| 57 |
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|
| 58 |
! Variables dynamiques: |
! Variables dynamiques: |
| 59 |
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|
| 60 |
REAL pks(ip1jmp1) ! exner au sol |
REAL pks(iim + 1, jjm + 1) ! exner au sol |
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REAL pk(ip1jmp1, llm) ! exner au milieu des couches |
REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches |
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REAL pkf(ip1jmp1, llm) ! exner filt.au milieu des couches |
REAL pkf(iim + 1, jjm + 1, llm) ! exner filtr\'e au milieu des couches |
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REAL phi(ip1jmp1, llm) ! geopotential |
REAL phi(iim + 1, jjm + 1, llm) ! geopotential |
| 64 |
REAL w(ip1jmp1, llm) ! vitesse verticale |
REAL w(iim + 1, jjm + 1, llm) ! vitesse verticale |
| 65 |
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|
| 66 |
! variables dynamiques intermediaire pour le transport |
! Variables dynamiques intermediaire pour le transport |
| 67 |
REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm) !flux de masse |
! Flux de masse : |
| 68 |
|
REAL pbaru(iim + 1, jjm + 1, llm), pbarv(iim + 1, jjm, llm) |
| 69 |
! variables dynamiques au pas - 1 |
|
| 70 |
REAL vcovm1(ip1jm, llm), ucovm1(ip1jmp1, llm) |
! Variables dynamiques au pas - 1 |
| 71 |
REAL tetam1(ip1jmp1, llm), psm1(ip1jmp1) |
REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm) |
| 72 |
REAL massem1(ip1jmp1, llm) |
REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1) |
| 73 |
|
REAL massem1(iim + 1, jjm + 1, llm) |
| 74 |
! tendances dynamiques |
|
| 75 |
REAL dv(ip1jm, llm), du(ip1jmp1, llm) |
! Tendances dynamiques |
| 76 |
REAL dteta(ip1jmp1, llm), dq(ip1jmp1, llm, nqmx), dp(ip1jmp1) |
REAL dv((iim + 1) * jjm, llm), dudyn(iim + 1, jjm + 1, llm) |
| 77 |
|
REAL dteta(iim + 1, jjm + 1, llm) |
| 78 |
! tendances de la dissipation |
real dp((iim + 1) * (jjm + 1)) |
| 79 |
REAL dvdis(ip1jm, llm), dudis(ip1jmp1, llm) |
|
| 80 |
REAL dtetadis(ip1jmp1, llm) |
! Tendances de la dissipation : |
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|
REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm) |
| 82 |
! tendances physiques |
REAL dtetadis(iim + 1, jjm + 1, llm) |
| 83 |
REAL dvfi(ip1jm, llm), dufi(ip1jmp1, llm) |
|
| 84 |
REAL dtetafi(ip1jmp1, llm), dqfi(ip1jmp1, llm, nqmx), dpfi(ip1jmp1) |
! Tendances physiques |
| 85 |
|
REAL dvfi(iim + 1, jjm, llm), dufi(iim + 1, jjm + 1, llm) |
| 86 |
! variables pour le fichier histoire |
REAL dtetafi(iim + 1, jjm + 1, llm), dqfi(iim + 1, jjm + 1, llm, nqmx) |
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|
| 88 |
REAL tppn(iim), tpps(iim), tpn, tps |
! Variables pour le fichier histoire |
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| 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 |
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INTEGER iday ! jour julien |
INTEGER itaufin |
| 92 |
REAL time ! time of day, as a fraction of day length |
REAL time ! time of day, as a fraction of day length |
| 93 |
real finvmaold(ip1jmp1, llm) |
real finvmaold(iim + 1, jjm + 1, llm) |
| 94 |
LOGICAL:: lafin=.false. |
INTEGER l |
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INTEGER ij, l |
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| 95 |
REAL rdayvrai, rdaym_ini |
REAL rdayvrai, rdaym_ini |
| 96 |
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! Variables test conservation energie |
! Variables test conservation \'energie |
| 98 |
REAL ecin(ip1jmp1, llm), ecin0(ip1jmp1, llm) |
REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm) |
|
! 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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| 100 |
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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!--------------------------------------------------- |
!--------------------------------------------------- |
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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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| 109 |
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 : |
! 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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! Debut de l'integration temporelle: |
time_integration: do itau = 0, itaufin - 1 |
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outer_loop:do |
leapf = mod(itau, iperiod) /= 0 |
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if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
if (leapf) then |
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call guide(itau, ucov, vcov, teta, q, masse, ps) |
dt = 2 * dtvr |
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vcovm1 = vcov |
else |
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ucovm1 = ucov |
! Matsuno |
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tetam1 = teta |
dt = dtvr |
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massem1 = masse |
if (ok_guide .and. (itaufin - itau - 1) * dtvr > 21600.) & |
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psm1 = ps |
call guide(itau, ucov, vcov, teta, q, masse, ps) |
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forward = .TRUE. |
vcovm1 = vcov |
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leapf = .FALSE. |
ucovm1 = ucov |
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dt = dtvr |
tetam1 = teta |
| 128 |
finvmaold = masse |
massem1 = masse |
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CALL filtreg(finvmaold, jjp1, llm, - 2, 2, .TRUE., 1) |
psm1 = ps |
| 130 |
|
finvmaold = masse |
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do |
CALL filtreg(finvmaold, jjm + 1, llm, - 2, 2, .TRUE.) |
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! gestion des appels de la physique et des dissipations: |
end if |
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apphys = MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0 |
|
| 134 |
conser = MOD(itau, iconser) == 0 |
! Calcul des tendances dynamiques: |
| 135 |
apdiss = MOD(itau + 1, idissip) == 0 |
CALL geopot(teta, pk, pks, phis, phi) |
| 136 |
|
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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! calcul des tendances dynamiques: |
dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, & |
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CALL geopot(ip1jmp1, teta, pk, pks, phis, phi) |
conser = MOD(itau, iconser) == 0) |
| 139 |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
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| 140 |
conser, du, dv, dteta, dp, w, pbaru, pbarv, & |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, teta, pk) |
| 141 |
time + iday - day_ini) |
|
| 142 |
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! Stokage du flux de masse pour traceurs offline: |
| 143 |
IF (forward .OR. leapf) THEN |
IF (offline) CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, & |
| 144 |
! calcul des tendances advection des traceurs (dont l'humidite) |
dtvr, itau) |
| 145 |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, dq, teta, pk) |
|
| 146 |
IF (offline) THEN |
! Int\'egrations dynamique et traceurs: |
| 147 |
! Stokage du flux de masse pour traceurs off-line |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, dteta, & |
| 148 |
CALL fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, dtvr, & |
dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, finvmaold, dt, & |
| 149 |
itau) |
leapf) |
| 150 |
ENDIF |
|
| 151 |
ENDIF |
if (.not. leapf) then |
| 152 |
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! Matsuno backward |
| 153 |
! integrations dynamique et traceurs: |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
|
CALL integrd(2, vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
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dteta, dq, dp, vcov, ucov, teta, q, ps, masse, phis, & |
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finvmaold, leapf) |
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IF (apphys) THEN |
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! calcul des tendances physiques: |
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IF (itau + 1 == itaufin) lafin = .TRUE. |
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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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! Diagnostique de conservation de l'énergie : initialisation |
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IF (ip_ebil_dyn >= 1) THEN |
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ztit='bil dyn' |
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CALL diagedyn(ztit, 2, 1, 1, dtphys, ucov, vcov, ps, p3d, pk, & |
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teta, q(:, :, 1), q(:, :, 2)) |
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ENDIF |
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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, & |
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ucov, vcov, teta, q, ps, & |
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dufi, dvfi, dtetafi, dqfi, dpfi) |
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! Diagnostique de conservation de l'énergie : difference |
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IF (ip_ebil_dyn >= 1) THEN |
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ztit = 'bil phys' |
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CALL diagedyn(ztit, 2, 1, 1, dtphys, ucov, vcov, ps, p3d, pk, & |
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teta, q(:, :, 1), q(:, :, 2)) |
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ENDIF |
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ENDIF |
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CALL pression(ip1jmp1, ap, bp, ps, p3d) |
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| 154 |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
| 155 |
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| 156 |
IF (apdiss) THEN |
! Calcul des tendances dynamiques: |
| 157 |
! dissipation horizontale et verticale des petites echelles: |
CALL geopot(teta, pk, pks, phis, phi) |
| 158 |
|
CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
| 159 |
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phi, dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, & |
| 160 |
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conser = .false.) |
| 161 |
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| 162 |
! calcul de l'energie cinetique avant dissipation |
! integrations dynamique et traceurs: |
| 163 |
call covcont(llm, ucov, vcov, ucont, vcont) |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, dudyn, & |
| 164 |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
dteta, dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, & |
| 165 |
|
finvmaold, dtvr, leapf=.false.) |
| 166 |
! dissipation |
end if |
| 167 |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
|
| 168 |
ucov=ucov + dudis |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys /= 0) THEN |
| 169 |
vcov=vcov + dvdis |
! Calcul des tendances physiques: |
| 170 |
|
|
| 171 |
if (dissip_conservative) then |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
| 172 |
! On rajoute la tendance due a la transform. Ec -> E |
CALL exner_hyb(ps, p3d, pks, pk) |
| 173 |
! therm. cree lors de la dissipation |
|
| 174 |
call covcont(llm, ucov, vcov, ucont, vcont) |
rdaym_ini = itau * dtvr / daysec |
| 175 |
call enercin(vcov, ucov, vcont, ucont, ecin) |
rdayvrai = rdaym_ini + day_ini |
| 176 |
dtetaecdt= (ecin0 - ecin) / pk |
time = REAL(mod(itau, day_step)) / day_step + time_0 |
| 177 |
dtetadis=dtetadis + dtetaecdt |
IF (time > 1.) time = time - 1. |
| 178 |
endif |
|
| 179 |
teta=teta + dtetadis |
CALL calfis(rdayvrai, time, ucov, vcov, teta, q, pk, phis, phi, w, & |
| 180 |
|
dufi, dvfi, dtetafi, dqfi, lafin = itau + 1 == itaufin) |
| 181 |
! Calcul de la valeur moyenne, unique de h aux poles ..... |
|
| 182 |
DO l = 1, llm |
! Ajout des tendances physiques: |
| 183 |
DO ij = 1, iim |
CALL addfi(ucov, vcov, teta, q, dufi, dvfi, dtetafi, dqfi) |
| 184 |
tppn(ij) = aire(ij) * teta(ij, l) |
ENDIF |
| 185 |
tpps(ij) = aire(ij + ip1jm) * teta(ij + ip1jm, l) |
|
| 186 |
ENDDO |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
| 187 |
tpn = SUM(tppn) / apoln |
CALL exner_hyb(ps, p3d, pks, pk, pkf) |
| 188 |
tps = SUM(tpps) / apols |
|
| 189 |
|
IF (MOD(itau + 1, idissip) == 0) THEN |
| 190 |
DO ij = 1, iip1 |
! Dissipation horizontale et verticale des petites \'echelles |
| 191 |
teta(ij, l) = tpn |
|
| 192 |
teta(ij + ip1jm, l) = tps |
! calcul de l'\'energie cin\'etique avant dissipation |
| 193 |
ENDDO |
call covcont(llm, ucov, vcov, ucont, vcont) |
| 194 |
ENDDO |
call enercin(vcov, ucov, vcont, ucont, ecin0) |
| 195 |
|
|
| 196 |
DO ij = 1, iim |
! dissipation |
| 197 |
tppn(ij) = aire(ij) * ps(ij) |
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
| 198 |
tpps(ij) = aire(ij + ip1jm) * ps(ij + ip1jm) |
ucov = ucov + dudis |
| 199 |
ENDDO |
vcov = vcov + dvdis |
| 200 |
tpn = SUM(tppn) / apoln |
|
| 201 |
tps = SUM(tpps) / apols |
! On ajoute la tendance due \`a la transformation \'energie |
| 202 |
|
! cin\'etique en \'energie thermique par la dissipation |
| 203 |
DO ij = 1, iip1 |
call covcont(llm, ucov, vcov, ucont, vcont) |
| 204 |
ps(ij) = tpn |
call enercin(vcov, ucov, vcont, ucont, ecin) |
| 205 |
ps(ij + ip1jm) = tps |
dtetadis = dtetadis + (ecin0 - ecin) / pk |
| 206 |
ENDDO |
teta = teta + dtetadis |
| 207 |
END IF |
|
| 208 |
|
! Calcul de la valeur moyenne aux p\^oles : |
| 209 |
! fin de l'intégration dynamique et physique pour le pas "itau" |
forall (l = 1: llm) |
| 210 |
! préparation du pas d'intégration suivant |
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
| 211 |
|
/ apoln |
| 212 |
! schema matsuno + leapfrog |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm+1) & |
| 213 |
IF (forward .OR. leapf) THEN |
* teta(:iim, jjm + 1, l)) / apols |
| 214 |
itau = itau + 1 |
END forall |
| 215 |
iday = day_ini + itau / day_step |
END IF |
| 216 |
time = REAL(itau - (iday - day_ini) * day_step) / day_step & |
|
| 217 |
+ time_0 |
IF (MOD(itau + 1, iperiod) == 0) THEN |
| 218 |
IF (time > 1.) THEN |
! \'Ecriture du fichier histoire moyenne: |
| 219 |
time = time - 1. |
CALL writedynav(vcov, ucov, teta, pk, phi, q, masse, ps, phis, & |
| 220 |
iday = iday + 1 |
time = itau + 1) |
| 221 |
ENDIF |
call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, & |
| 222 |
ENDIF |
q(:, :, :, 1)) |
| 223 |
|
ENDIF |
| 224 |
IF (itau == itaufin + 1) exit outer_loop |
|
| 225 |
|
IF (MOD(itau + 1, iecri * day_step) == 0) THEN |
| 226 |
IF (MOD(itau, iperiod) == 0 .OR. itau == itaufin) THEN |
CALL geopot(teta, pk, pks, phis, phi) |
| 227 |
! ecriture du fichier histoire moyenne: |
CALL writehist(itau, vcov, ucov, teta, phi, q, masse, ps) |
| 228 |
CALL writedynav(histaveid, nqmx, itau, vcov, & |
END IF |
| 229 |
ucov, teta, pk, phi, q, masse, ps, phis) |
end do time_integration |
| 230 |
call bilan_dyn(2, dtvr * iperiod, dtvr * day_step * periodav, & |
|
| 231 |
ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, q) |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps, & |
| 232 |
ENDIF |
itau = itau_dyn + itaufin) |
| 233 |
|
|
| 234 |
IF (itau == itaufin) THEN |
! Calcul des tendances dynamiques: |
| 235 |
CALL dynredem1("restart.nc", vcov, ucov, teta, q, masse, ps) |
CALL geopot(teta, pk, pks, phis, phi) |
| 236 |
ENDIF |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
| 237 |
|
dudyn, dv, dteta, dp, w, pbaru, pbarv, time_0, & |
| 238 |
! gestion de l'integration temporelle: |
conser = MOD(itaufin, iconser) == 0) |
|
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 |
|
| 239 |
|
|
| 240 |
END SUBROUTINE leapfrog |
END SUBROUTINE leapfrog |
| 241 |
|
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