/[lmdze]/trunk/Sources/dyn3d/advtrac.f
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Contents of /trunk/Sources/dyn3d/advtrac.f

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Revision 177 - (show annotations)
Wed Feb 24 18:44:07 2016 UTC (8 years, 3 months ago) by guez
File size: 4775 byte(s)
Removed the option to use PPM3D advection schemes. This looks really
bugged. In particular, in ppm3d:
     do i=1,IMR*JMR
	CRY(i,2) = DTDY*V(i,1,k)
     end do
while cry is declared as:
real CRY(IMR,JNP)
and:
jmr = jnp - 1

Also removed options for Slopes and Prather advection schemes. This
does not look functional. It seems it needs tracers inside tracers.

Also removed allowed values 1 and 2 for iadv in iniadvtrac. These are
not implemented in advtrac.

With the removal of PPM3D, there is no longer any need to distinguish
between hadv and vadv in iniadvtrac.

1 module advtrac_m
2
3 IMPLICIT NONE
4
5 contains
6
7 SUBROUTINE advtrac(pbaru, pbarv, p, masse, q, iapptrac, teta, pk)
8
9 ! From dyn3d/advtrac.F, version 1.4 2005/04/13 08:58:34
10 ! Author: F. Hourdin
11
12 USE comconst, ONLY : dtvr
13 USE conf_gcm_m, ONLY : iapp_tracvl
14 USE dimens_m, ONLY : iim, jjm, llm, nqmx
15 USE iniadvtrac_m, ONLY : iadv
16 use massbar_m, only: massbar
17 USE paramet_m, ONLY : iip1, iip2, ijmllm, ijp1llm, ip1jm, ip1jmp1, jjp1, &
18 llmp1
19 use vlsplt_m, only: vlsplt
20 use vlspltqs_m, only: vlspltqs
21
22 REAL, intent(in):: pbaru(ip1jmp1, llm), pbarv(ip1jm, llm)
23 REAL, intent(in):: p(ip1jmp1, llmp1)
24 real, intent(in):: masse(ip1jmp1, llm)
25 REAL, intent(inout):: q(ip1jmp1, llm, nqmx)
26 INTEGER, intent(out):: iapptrac
27 real, intent(in):: teta(ip1jmp1, llm)
28 REAL, intent(in):: pk(ip1jmp1, llm)
29
30 ! Variables locales
31
32 REAL massebx(ip1jmp1, llm), masseby(ip1jm, llm)
33 REAL, save:: pbaruc(ip1jmp1, llm), pbarvc(ip1jm, llm)
34 REAL, save:: massem(ip1jmp1, llm)
35 real zdp(ip1jmp1)
36 REAL pbarug(ip1jmp1, llm), pbarvg(ip1jm, llm), wg(ip1jmp1, llm)
37
38 INTEGER:: iadvtr = 0
39 INTEGER ij, l, iq
40 REAL zdpmin, zdpmax
41 EXTERNAL minmax
42
43 ! Rajouts pour PPM
44
45 INTEGER indice, n
46 ! Pas de temps adaptatif pour que CFL < 1
47 REAL dtbon
48 REAL cflmaxz ! CFL maximum
49 real aaa, bbb
50 REAL psppm(iim, jjp1) ! pression au sol
51 REAL unatppm(iim, jjp1, llm), vnatppm(iim, jjp1, llm)
52 REAL qppm(iim*jjp1, llm, nqmx)
53 REAL fluxwppm(iim, jjp1, llm)
54 REAL apppm(llmp1), bpppm(llmp1)
55 LOGICAL:: fill = .TRUE.
56
57 !-----------------------------------------------------------
58
59 IF (iadvtr==0) THEN
60 CALL initial0(ijp1llm, pbaruc)
61 CALL initial0(ijmllm, pbarvc)
62 END IF
63
64 ! accumulation des flux de masse horizontaux
65 DO l = 1, llm
66 DO ij = 1, ip1jmp1
67 pbaruc(ij, l) = pbaruc(ij, l) + pbaru(ij, l)
68 END DO
69 DO ij = 1, ip1jm
70 pbarvc(ij, l) = pbarvc(ij, l) + pbarv(ij, l)
71 END DO
72 END DO
73
74 ! selection de la masse instantannee des mailles avant le transport.
75 IF (iadvtr==0) massem = masse
76
77 iadvtr = iadvtr + 1
78 iapptrac = iadvtr
79
80 ! Test pour savoir si on advecte a ce pas de temps
81 IF (iadvtr == iapp_tracvl) THEN
82 ! traitement des flux de masse avant advection.
83 ! 1. calcul de w
84 ! 2. groupement des mailles pres du pole.
85
86 CALL groupe(pbaruc, pbarvc, pbarug, pbarvg, wg)
87
88 ! test sur l'eventuelle creation de valeurs negatives de la masse
89 DO l = 1, llm - 1
90 DO ij = iip2 + 1, ip1jm
91 zdp(ij) = pbarug(ij-1, l) - pbarug(ij, l) - pbarvg(ij-iip1, l) + &
92 pbarvg(ij, l) + wg(ij, l+1) - wg(ij, l)
93 END DO
94 CALL scopy(jjm-1, zdp(iip1+iip1), iip1, zdp(iip2), iip1)
95 DO ij = iip2, ip1jm
96 zdp(ij) = zdp(ij)*dtvr/massem(ij, l)
97 END DO
98
99 CALL minmax(ip1jm-iip1, zdp(iip2), zdpmin, zdpmax)
100
101 IF (max(abs(zdpmin), abs(zdpmax))>0.5) THEN
102 PRINT *, 'WARNING DP/P l=', l, ' MIN:', zdpmin, ' MAX:', zdpmax
103 END IF
104 END DO
105
106 ! Advection proprement dite
107
108 ! Calcul des moyennes bas\'ees sur la masse
109 CALL massbar(massem, massebx, masseby)
110
111 ! Appel des sous programmes d'advection
112
113 DO iq = 1, nqmx
114 select case (iadv(iq))
115 case (10)
116 ! Schema de Van Leer I MUSCL
117 CALL vlsplt(q(:, :, iq), 2., massem, wg, pbarug, pbarvg, dtvr)
118 case (12)
119 ! Schema de Frederic Hourdin
120 ! Pas de temps adaptatif
121 CALL adaptdt(dtbon, n, pbarug, massem)
122 IF (n>1) THEN
123 WRITE (*, *) 'WARNING horizontal dt=', dtbon, 'dtvr=', dtvr, &
124 'n=', n
125 END IF
126 DO indice = 1, n
127 CALL advn(q(1, 1, iq), massem, wg, pbarug, pbarvg, dtbon, 1)
128 END DO
129 case (13)
130 ! Pas de temps adaptatif
131 CALL adaptdt(dtbon, n, pbarug, massem)
132 IF (n>1) THEN
133 WRITE (*, *) 'WARNING horizontal dt=', dtbon, 'dtvr=', dtvr, &
134 'n=', n
135 END IF
136 DO indice = 1, n
137 CALL advn(q(1, 1, iq), massem, wg, pbarug, pbarvg, dtbon, 2)
138 END DO
139 case (14)
140 ! Schema "pseudo amont" + test sur humidite specifique
141 ! pour la vapeur d'eau. F. Codron
142 CALL vlspltqs(q(1, 1, 1), 2., massem, wg, pbarug, pbarvg, dtvr, &
143 p, pk, teta)
144 END select
145 END DO
146
147 ! on reinitialise a zero les flux de masse cumules
148 iadvtr = 0
149 END IF
150
151 END SUBROUTINE advtrac
152
153 end module advtrac_m

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