1 |
guez |
3 |
module leapfrog_m |
2 |
|
|
|
3 |
|
|
IMPLICIT NONE |
4 |
|
|
|
5 |
|
|
contains |
6 |
|
|
|
7 |
guez |
128 |
SUBROUTINE leapfrog(ucov, vcov, teta, ps, masse, phis, q) |
8 |
guez |
3 |
|
9 |
guez |
67 |
! From dyn3d/leapfrog.F, version 1.6, 2005/04/13 08:58:34 revision 616 |
10 |
guez |
27 |
! Authors: P. Le Van, L. Fairhead, F. Hourdin |
11 |
guez |
3 |
|
12 |
guez |
129 |
! Intégration temporelle du modèle : Matsuno-leapfrog scheme. |
13 |
|
|
|
14 |
guez |
37 |
use addfi_m, only: addfi |
15 |
guez |
40 |
use bilan_dyn_m, only: bilan_dyn |
16 |
|
|
use caladvtrac_m, only: caladvtrac |
17 |
guez |
43 |
use caldyn_m, only: caldyn |
18 |
guez |
26 |
USE calfis_m, ONLY: calfis |
19 |
guez |
178 |
USE comconst, ONLY: dtvr |
20 |
guez |
29 |
USE comgeom, ONLY: aire_2d, apoln, apols |
21 |
guez |
161 |
use covcont_m, only: covcont |
22 |
guez |
66 |
USE disvert_m, ONLY: ap, bp |
23 |
guez |
224 |
USE conf_gcm_m, ONLY: day_step, iconser, iperiod, iphysiq, nday, & |
24 |
guez |
115 |
iflag_phys, iecri |
25 |
|
|
USE conf_guide_m, ONLY: ok_guide |
26 |
guez |
29 |
USE dimens_m, ONLY: iim, jjm, llm, nqmx |
27 |
guez |
47 |
use dissip_m, only: dissip |
28 |
guez |
26 |
USE dynetat0_m, ONLY: day_ini |
29 |
guez |
27 |
use dynredem1_m, only: dynredem1 |
30 |
guez |
207 |
use enercin_m, only: enercin |
31 |
guez |
26 |
USE exner_hyb_m, ONLY: exner_hyb |
32 |
guez |
137 |
use filtreg_scal_m, only: filtreg_scal |
33 |
guez |
43 |
use geopot_m, only: geopot |
34 |
guez |
26 |
USE guide_m, ONLY: guide |
35 |
|
|
use inidissip_m, only: idissip |
36 |
guez |
32 |
use integrd_m, only: integrd |
37 |
guez |
55 |
use nr_util, only: assert |
38 |
guez |
28 |
USE temps, ONLY: itau_dyn |
39 |
guez |
69 |
use writehist_m, only: writehist |
40 |
guez |
3 |
|
41 |
guez |
10 |
! Variables dynamiques: |
42 |
guez |
55 |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
43 |
|
|
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
44 |
guez |
43 |
|
45 |
|
|
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
46 |
|
|
! potential temperature |
47 |
|
|
|
48 |
guez |
45 |
REAL, intent(inout):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol, en Pa |
49 |
guez |
70 |
REAL, intent(inout):: masse(:, :, :) ! (iim + 1, jjm + 1, llm) masse d'air |
50 |
guez |
69 |
REAL, intent(in):: phis(:, :) ! (iim + 1, jjm + 1) surface geopotential |
51 |
guez |
40 |
|
52 |
|
|
REAL, intent(inout):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx) |
53 |
|
|
! mass fractions of advected fields |
54 |
|
|
|
55 |
guez |
91 |
! Local: |
56 |
guez |
10 |
|
57 |
|
|
! Variables dynamiques: |
58 |
|
|
|
59 |
guez |
70 |
REAL pks(iim + 1, jjm + 1) ! exner au sol |
60 |
guez |
29 |
REAL pk(iim + 1, jjm + 1, llm) ! exner au milieu des couches |
61 |
guez |
90 |
REAL pkf(iim + 1, jjm + 1, llm) ! exner filtr\'e au milieu des couches |
62 |
guez |
47 |
REAL phi(iim + 1, jjm + 1, llm) ! geopotential |
63 |
guez |
91 |
REAL w(iim + 1, jjm + 1, llm) ! vitesse verticale |
64 |
guez |
3 |
|
65 |
guez |
260 |
! Variables dynamiques interm\'ediaires pour le transport |
66 |
guez |
55 |
! Flux de masse : |
67 |
guez |
91 |
REAL pbaru(iim + 1, jjm + 1, llm), pbarv(iim + 1, jjm, llm) |
68 |
guez |
3 |
|
69 |
guez |
56 |
! Variables dynamiques au pas - 1 |
70 |
guez |
55 |
REAL vcovm1(iim + 1, jjm, llm), ucovm1(iim + 1, jjm + 1, llm) |
71 |
guez |
29 |
REAL tetam1(iim + 1, jjm + 1, llm), psm1(iim + 1, jjm + 1) |
72 |
guez |
67 |
REAL massem1(iim + 1, jjm + 1, llm) |
73 |
guez |
3 |
|
74 |
guez |
56 |
! Tendances dynamiques |
75 |
guez |
260 |
REAL dv((iim + 1) * jjm, llm), du(iim + 1, jjm + 1, llm) |
76 |
guez |
71 |
REAL dteta(iim + 1, jjm + 1, llm) |
77 |
guez |
252 |
real dp(iim + 1, jjm + 1) |
78 |
guez |
3 |
|
79 |
guez |
56 |
! Tendances de la dissipation : |
80 |
guez |
55 |
REAL dvdis(iim + 1, jjm, llm), dudis(iim + 1, jjm + 1, llm) |
81 |
guez |
29 |
REAL dtetadis(iim + 1, jjm + 1, llm) |
82 |
guez |
3 |
|
83 |
guez |
56 |
! Tendances physiques |
84 |
guez |
91 |
REAL dvfi(iim + 1, jjm, llm), dufi(iim + 1, jjm + 1, llm) |
85 |
|
|
REAL dtetafi(iim + 1, jjm + 1, llm), dqfi(iim + 1, jjm + 1, llm, nqmx) |
86 |
guez |
3 |
|
87 |
guez |
56 |
! Variables pour le fichier histoire |
88 |
guez |
22 |
INTEGER itau ! index of the time step of the dynamics, starts at 0 |
89 |
guez |
27 |
INTEGER itaufin |
90 |
guez |
33 |
INTEGER l |
91 |
guez |
3 |
|
92 |
guez |
90 |
! Variables test conservation \'energie |
93 |
guez |
29 |
REAL ecin(iim + 1, jjm + 1, llm), ecin0(iim + 1, jjm + 1, llm) |
94 |
guez |
43 |
|
95 |
guez |
55 |
REAL vcont((iim + 1) * jjm, llm), ucont((iim + 1) * (jjm + 1), llm) |
96 |
guez |
33 |
logical leapf |
97 |
guez |
91 |
real dt ! time step, in s |
98 |
guez |
3 |
|
99 |
guez |
212 |
REAL p3d(iim + 1, jjm + 1, llm + 1) ! pressure at layer interfaces, in Pa |
100 |
guez |
162 |
! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)", |
101 |
|
|
! for interface "l") |
102 |
|
|
|
103 |
guez |
3 |
!--------------------------------------------------- |
104 |
|
|
|
105 |
|
|
print *, "Call sequence information: leapfrog" |
106 |
guez |
55 |
call assert(shape(ucov) == (/iim + 1, jjm + 1, llm/), "leapfrog") |
107 |
guez |
3 |
|
108 |
|
|
itaufin = nday * day_step |
109 |
guez |
62 |
! "day_step" is a multiple of "iperiod", therefore so is "itaufin". |
110 |
guez |
30 |
|
111 |
guez |
3 |
! On initialise la pression et la fonction d'Exner : |
112 |
guez |
37 |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
113 |
guez |
137 |
CALL exner_hyb(ps, p3d, pks, pk) |
114 |
|
|
pkf = pk |
115 |
|
|
CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
116 |
guez |
3 |
|
117 |
guez |
40 |
time_integration: do itau = 0, itaufin - 1 |
118 |
guez |
33 |
leapf = mod(itau, iperiod) /= 0 |
119 |
|
|
if (leapf) then |
120 |
|
|
dt = 2 * dtvr |
121 |
|
|
else |
122 |
|
|
! Matsuno |
123 |
|
|
dt = dtvr |
124 |
guez |
108 |
if (ok_guide) call guide(itau, ucov, vcov, teta, q(:, :, :, 1), ps) |
125 |
guez |
33 |
vcovm1 = vcov |
126 |
|
|
ucovm1 = ucov |
127 |
|
|
tetam1 = teta |
128 |
|
|
massem1 = masse |
129 |
|
|
psm1 = ps |
130 |
|
|
end if |
131 |
guez |
30 |
|
132 |
|
|
! Calcul des tendances dynamiques: |
133 |
guez |
70 |
CALL geopot(teta, pk, pks, phis, phi) |
134 |
guez |
30 |
CALL caldyn(itau, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
135 |
guez |
260 |
du, dv, dteta, dp, w, pbaru, pbarv, & |
136 |
guez |
78 |
conser = MOD(itau, iconser) == 0) |
137 |
guez |
30 |
|
138 |
guez |
71 |
CALL caladvtrac(q, pbaru, pbarv, p3d, masse, teta, pk) |
139 |
guez |
33 |
|
140 |
guez |
90 |
! Int\'egrations dynamique et traceurs: |
141 |
guez |
260 |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, dteta, & |
142 |
guez |
161 |
dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, dt, leapf) |
143 |
guez |
30 |
|
144 |
guez |
97 |
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
145 |
guez |
137 |
CALL exner_hyb(ps, p3d, pks, pk) |
146 |
|
|
pkf = pk |
147 |
|
|
CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
148 |
guez |
97 |
|
149 |
guez |
33 |
if (.not. leapf) then |
150 |
|
|
! Matsuno backward |
151 |
guez |
27 |
! Calcul des tendances dynamiques: |
152 |
guez |
70 |
CALL geopot(teta, pk, pks, phis, phi) |
153 |
guez |
33 |
CALL caldyn(itau + 1, ucov, vcov, teta, ps, masse, pk, pkf, phis, & |
154 |
guez |
260 |
phi, du, dv, dteta, dp, w, pbaru, pbarv, conser = .false.) |
155 |
guez |
3 |
|
156 |
|
|
! integrations dynamique et traceurs: |
157 |
guez |
260 |
CALL integrd(vcovm1, ucovm1, tetam1, psm1, massem1, dv, du, & |
158 |
guez |
161 |
dteta, dp, vcov, ucov, teta, q(:, :, :, :2), ps, masse, dtvr, & |
159 |
|
|
leapf=.false.) |
160 |
guez |
97 |
|
161 |
|
|
forall (l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps |
162 |
guez |
137 |
CALL exner_hyb(ps, p3d, pks, pk) |
163 |
|
|
pkf = pk |
164 |
|
|
CALL filtreg_scal(pkf, direct = .true., intensive = .true.) |
165 |
guez |
33 |
end if |
166 |
guez |
3 |
|
167 |
guez |
208 |
IF (MOD(itau + 1, iphysiq) == 0 .AND. iflag_phys) THEN |
168 |
guez |
162 |
CALL calfis(ucov, vcov, teta, q, p3d, pk, phis, phi, w, dufi, dvfi, & |
169 |
guez |
154 |
dtetafi, dqfi, dayvrai = itau / day_step + day_ini, & |
170 |
|
|
time = REAL(mod(itau, day_step)) / day_step, & |
171 |
guez |
128 |
lafin = itau + 1 == itaufin) |
172 |
guez |
3 |
|
173 |
guez |
91 |
CALL addfi(ucov, vcov, teta, q, dufi, dvfi, dtetafi, dqfi) |
174 |
guez |
33 |
ENDIF |
175 |
guez |
3 |
|
176 |
guez |
33 |
IF (MOD(itau + 1, idissip) == 0) THEN |
177 |
guez |
90 |
! Dissipation horizontale et verticale des petites \'echelles |
178 |
guez |
3 |
|
179 |
guez |
90 |
! calcul de l'\'energie cin\'etique avant dissipation |
180 |
guez |
33 |
call covcont(llm, ucov, vcov, ucont, vcont) |
181 |
|
|
call enercin(vcov, ucov, vcont, ucont, ecin0) |
182 |
guez |
3 |
|
183 |
guez |
33 |
! dissipation |
184 |
|
|
CALL dissip(vcov, ucov, teta, p3d, dvdis, dudis, dtetadis) |
185 |
guez |
55 |
ucov = ucov + dudis |
186 |
|
|
vcov = vcov + dvdis |
187 |
guez |
3 |
|
188 |
guez |
90 |
! On ajoute la tendance due \`a la transformation \'energie |
189 |
|
|
! cin\'etique en \'energie thermique par la dissipation |
190 |
guez |
33 |
call covcont(llm, ucov, vcov, ucont, vcont) |
191 |
|
|
call enercin(vcov, ucov, vcont, ucont, ecin) |
192 |
guez |
56 |
dtetadis = dtetadis + (ecin0 - ecin) / pk |
193 |
guez |
55 |
teta = teta + dtetadis |
194 |
guez |
3 |
|
195 |
guez |
90 |
! Calcul de la valeur moyenne aux p\^oles : |
196 |
guez |
33 |
forall (l = 1: llm) |
197 |
|
|
teta(:, 1, l) = SUM(aire_2d(:iim, 1) * teta(:iim, 1, l)) & |
198 |
|
|
/ apoln |
199 |
guez |
212 |
teta(:, jjm + 1, l) = SUM(aire_2d(:iim, jjm + 1) & |
200 |
guez |
33 |
* teta(:iim, jjm + 1, l)) / apols |
201 |
|
|
END forall |
202 |
|
|
END IF |
203 |
guez |
3 |
|
204 |
guez |
33 |
IF (MOD(itau + 1, iperiod) == 0) THEN |
205 |
guez |
40 |
call bilan_dyn(ps, masse, pk, pbaru, pbarv, teta, phi, ucov, vcov, & |
206 |
guez |
57 |
q(:, :, :, 1)) |
207 |
guez |
33 |
ENDIF |
208 |
guez |
68 |
|
209 |
|
|
IF (MOD(itau + 1, iecri * day_step) == 0) THEN |
210 |
guez |
70 |
CALL geopot(teta, pk, pks, phis, phi) |
211 |
guez |
261 |
CALL writehist(vcov, ucov, teta, pk, phi, q, masse, ps, itau) |
212 |
guez |
68 |
END IF |
213 |
guez |
40 |
end do time_integration |
214 |
guez |
3 |
|
215 |
guez |
157 |
CALL dynredem1(vcov, ucov, teta, q, masse, ps, itau = itau_dyn + itaufin) |
216 |
guez |
30 |
|
217 |
|
|
! Calcul des tendances dynamiques: |
218 |
guez |
70 |
CALL geopot(teta, pk, pks, phis, phi) |
219 |
guez |
30 |
CALL caldyn(itaufin, ucov, vcov, teta, ps, masse, pk, pkf, phis, phi, & |
220 |
guez |
260 |
du, dv, dteta, dp, w, pbaru, pbarv, & |
221 |
guez |
67 |
conser = MOD(itaufin, iconser) == 0) |
222 |
guez |
56 |
|
223 |
guez |
3 |
END SUBROUTINE leapfrog |
224 |
|
|
|
225 |
|
|
end module leapfrog_m |