|
! |
|
|
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/limy.F,v 1.1.1.1 2004/05/19 12:53:07 lmdzadmin Exp $ |
|
|
! |
|
|
SUBROUTINE limy(s0,sy,sm,pente_max) |
|
|
c |
|
|
c Auteurs: P.Le Van, F.Hourdin, F.Forget |
|
|
c |
|
|
c ******************************************************************** |
|
|
c Shema d'advection " pseudo amont " . |
|
|
c ******************************************************************** |
|
|
c q,w sont des arguments d'entree pour le s-pg .... |
|
|
c dq sont des arguments de sortie pour le s-pg .... |
|
|
c |
|
|
c |
|
|
c -------------------------------------------------------------------- |
|
|
use dimens_m |
|
|
use paramet_m |
|
|
use comconst |
|
|
use comvert |
|
|
use conf_gcm_m |
|
|
use comgeom |
|
|
USE nr_util, ONLY : pi |
|
|
IMPLICIT NONE |
|
|
c |
|
|
c |
|
|
c |
|
|
c Arguments: |
|
|
c ---------- |
|
|
real pente_max |
|
|
real s0(ip1jmp1,llm),sy(ip1jmp1,llm),sm(ip1jmp1,llm) |
|
|
c |
|
|
c Local |
|
|
c --------- |
|
|
c |
|
|
INTEGER i,ij,l |
|
|
c |
|
|
REAL q(ip1jmp1,llm) |
|
|
REAL airej2,airejjm,airescb(iim),airesch(iim) |
|
|
real sigv,dyq(ip1jmp1),dyqv(ip1jm) |
|
|
real adyqv(ip1jm),dyqmax(ip1jmp1) |
|
|
REAL qbyv(ip1jm,llm) |
|
|
|
|
|
REAL qpns,qpsn,apn,aps,dyn1,dys1,dyn2,dys2 |
|
|
Logical extremum,first |
|
|
save first |
|
|
|
|
|
real convpn,convps,convmpn,convmps |
|
|
real sinlon(iip1),sinlondlon(iip1) |
|
|
real coslon(iip1),coslondlon(iip1) |
|
|
save sinlon,coslon,sinlondlon,coslondlon |
|
|
c |
|
|
c |
|
|
REAL SSUM |
|
|
integer ismax,ismin |
|
|
EXTERNAL SSUM, convflu,ismin,ismax |
|
|
|
|
|
data first/.true./ |
|
|
|
|
|
if(first) then |
|
|
print*,'SCHEMA AMONT NOUVEAU' |
|
|
first=.false. |
|
|
do i=2,iip1 |
|
|
coslon(i)=cos(rlonv(i)) |
|
|
sinlon(i)=sin(rlonv(i)) |
|
|
coslondlon(i)=coslon(i)*(rlonu(i)-rlonu(i-1))/pi |
|
|
sinlondlon(i)=sinlon(i)*(rlonu(i)-rlonu(i-1))/pi |
|
|
enddo |
|
|
coslon(1)=coslon(iip1) |
|
|
coslondlon(1)=coslondlon(iip1) |
|
|
sinlon(1)=sinlon(iip1) |
|
|
sinlondlon(1)=sinlondlon(iip1) |
|
|
endif |
|
|
|
|
|
c |
|
|
|
|
|
do l = 1, llm |
|
|
c |
|
|
DO ij=1,ip1jmp1 |
|
|
q(ij,l) = s0(ij,l) / sm ( ij,l ) |
|
|
dyq(ij) = sy(ij,l) / sm ( ij,l ) |
|
|
ENDDO |
|
|
c |
|
|
c -------------------------------- |
|
|
c CALCUL EN LATITUDE |
|
|
c -------------------------------- |
|
|
|
|
|
c On commence par calculer la valeur du traceur moyenne sur le premier cercle |
|
|
c de latitude autour du pole (qpns pour le pole nord et qpsn pour |
|
|
c le pole nord) qui sera utilisee pour evaluer les pentes au pole. |
|
|
|
|
|
airej2 = SSUM( iim, aire(iip2), 1 ) |
|
|
airejjm= SSUM( iim, aire(ip1jm -iim), 1 ) |
|
|
DO i = 1, iim |
|
|
airescb(i) = aire(i+ iip1) * q(i+ iip1,l) |
|
|
airesch(i) = aire(i+ ip1jm- iip1) * q(i+ ip1jm- iip1,l) |
|
|
ENDDO |
|
|
qpns = SSUM( iim, airescb ,1 ) / airej2 |
|
|
qpsn = SSUM( iim, airesch ,1 ) / airejjm |
|
|
|
|
|
c calcul des pentes aux points v |
|
|
|
|
|
do ij=1,ip1jm |
|
|
dyqv(ij)=q(ij,l)-q(ij+iip1,l) |
|
|
adyqv(ij)=abs(dyqv(ij)) |
|
|
ENDDO |
|
|
|
|
|
c calcul des pentes aux points scalaires |
|
|
|
|
|
do ij=iip2,ip1jm |
|
|
dyqmax(ij)=min(adyqv(ij-iip1),adyqv(ij)) |
|
|
dyqmax(ij)=pente_max*dyqmax(ij) |
|
|
enddo |
|
|
|
|
|
c calcul des pentes aux poles |
|
|
|
|
|
c calcul des pentes limites aux poles |
|
|
|
|
|
c cas ou on a un extremum au pole |
|
|
|
|
|
c if(dyqv(ismin(iim,dyqv,1))*dyqv(ismax(iim,dyqv,1)).le.0.) |
|
|
c & apn=0. |
|
|
c if(dyqv(ismax(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1)* |
|
|
c & dyqv(ismin(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1).le.0.) |
|
|
c & aps=0. |
|
|
|
|
|
c limitation des pentes aux poles |
|
|
c do ij=1,iip1 |
|
|
c dyq(ij)=apn*dyq(ij) |
|
|
c dyq(ip1jm+ij)=aps*dyq(ip1jm+ij) |
|
|
c enddo |
|
|
|
|
|
c test |
|
|
c do ij=1,iip1 |
|
|
c dyq(iip1+ij)=0. |
|
|
c dyq(ip1jm+ij-iip1)=0. |
|
|
c enddo |
|
|
c do ij=1,ip1jmp1 |
|
|
c dyq(ij)=dyq(ij)*cos(rlatu((ij-1)/iip1+1)) |
|
|
c enddo |
|
|
|
|
|
if(dyqv(ismin(iim,dyqv,1))*dyqv(ismax(iim,dyqv,1)).le.0.) |
|
|
& then |
|
|
do ij=1,iip1 |
|
|
dyqmax(ij)=0. |
|
|
enddo |
|
|
else |
|
|
do ij=1,iip1 |
|
|
dyqmax(ij)=pente_max*abs(dyqv(ij)) |
|
|
enddo |
|
|
endif |
|
|
|
|
|
if(dyqv(ismax(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1)* |
|
|
& dyqv(ismin(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1).le.0.) |
|
|
&then |
|
|
do ij=ip1jm+1,ip1jmp1 |
|
|
dyqmax(ij)=0. |
|
|
enddo |
|
|
else |
|
|
do ij=ip1jm+1,ip1jmp1 |
|
|
dyqmax(ij)=pente_max*abs(dyqv(ij-iip1)) |
|
|
enddo |
|
|
endif |
|
|
|
|
|
c calcul des pentes limitees |
|
|
|
|
|
do ij=1,ip1jmp1 |
|
|
if(dyqv(ij)*dyqv(ij-iip1).gt.0.) then |
|
|
dyq(ij)=sign(min(abs(dyq(ij)),dyqmax(ij)),dyq(ij)) |
|
|
else |
|
|
dyq(ij)=0. |
|
|
endif |
|
|
enddo |
|
|
|
|
|
DO ij=1,ip1jmp1 |
|
|
sy(ij,l) = dyq(ij) * sm ( ij,l ) |
|
|
ENDDO |
|
| 1 |
|
|
| 2 |
enddo ! fin de la boucle sur les couches verticales |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/limy.F,v 1.1.1.1 2004/05/19 |
| 3 |
|
! 12:53:07 lmdzadmin Exp $ |
| 4 |
|
|
| 5 |
RETURN |
SUBROUTINE limy(s0, sy, sm, pente_max) |
| 6 |
END |
|
| 7 |
|
! Auteurs: P.Le Van, F.Hourdin, F.Forget |
| 8 |
|
|
| 9 |
|
! ******************************************************************** |
| 10 |
|
! Shema d'advection " pseudo amont " . |
| 11 |
|
! ******************************************************************** |
| 12 |
|
! q,w sont des arguments d'entree pour le s-pg .... |
| 13 |
|
! dq sont des arguments de sortie pour le s-pg .... |
| 14 |
|
|
| 15 |
|
|
| 16 |
|
! -------------------------------------------------------------------- |
| 17 |
|
USE comconst |
| 18 |
|
use comgeom, only: aire |
| 19 |
|
USE conf_gcm_m |
| 20 |
|
USE dimens_m |
| 21 |
|
USE disvert_m |
| 22 |
|
USE dynetat0_m, only: rlonv, rlonu |
| 23 |
|
USE nr_util, ONLY: pi |
| 24 |
|
USE paramet_m |
| 25 |
|
|
| 26 |
|
IMPLICIT NONE |
| 27 |
|
|
| 28 |
|
|
| 29 |
|
|
| 30 |
|
! Arguments: |
| 31 |
|
! ---------- |
| 32 |
|
REAL pente_max |
| 33 |
|
REAL s0(ip1jmp1, llm), sy(ip1jmp1, llm), sm(ip1jmp1, llm) |
| 34 |
|
|
| 35 |
|
! Local |
| 36 |
|
! --------- |
| 37 |
|
|
| 38 |
|
INTEGER i, ij, l |
| 39 |
|
|
| 40 |
|
REAL q(ip1jmp1, llm) |
| 41 |
|
REAL airej2, airejjm, airescb(iim), airesch(iim) |
| 42 |
|
REAL sigv, dyq(ip1jmp1), dyqv(ip1jm) |
| 43 |
|
REAL adyqv(ip1jm), dyqmax(ip1jmp1) |
| 44 |
|
REAL qbyv(ip1jm, llm) |
| 45 |
|
|
| 46 |
|
REAL qpns, qpsn, apn, aps, dyn1, dys1, dyn2, dys2 |
| 47 |
|
LOGICAL extremum, first |
| 48 |
|
SAVE first |
| 49 |
|
|
| 50 |
|
REAL convpn, convps, convmpn, convmps |
| 51 |
|
REAL sinlon(iip1), sinlondlon(iip1) |
| 52 |
|
REAL coslon(iip1), coslondlon(iip1) |
| 53 |
|
SAVE sinlon, coslon, sinlondlon, coslondlon |
| 54 |
|
|
| 55 |
|
|
| 56 |
|
REAL ssum |
| 57 |
|
INTEGER ismax, ismin |
| 58 |
|
EXTERNAL ssum, convflu, ismin, ismax |
| 59 |
|
|
| 60 |
|
DATA first/.TRUE./ |
| 61 |
|
|
| 62 |
|
IF (first) THEN |
| 63 |
|
PRINT *, 'SCHEMA AMONT NOUVEAU' |
| 64 |
|
first = .FALSE. |
| 65 |
|
DO i = 2, iip1 |
| 66 |
|
coslon(i) = cos(rlonv(i)) |
| 67 |
|
sinlon(i) = sin(rlonv(i)) |
| 68 |
|
coslondlon(i) = coslon(i)*(rlonu(i)-rlonu(i-1))/pi |
| 69 |
|
sinlondlon(i) = sinlon(i)*(rlonu(i)-rlonu(i-1))/pi |
| 70 |
|
END DO |
| 71 |
|
coslon(1) = coslon(iip1) |
| 72 |
|
coslondlon(1) = coslondlon(iip1) |
| 73 |
|
sinlon(1) = sinlon(iip1) |
| 74 |
|
sinlondlon(1) = sinlondlon(iip1) |
| 75 |
|
END IF |
| 76 |
|
|
| 77 |
|
|
| 78 |
|
|
| 79 |
|
DO l = 1, llm |
| 80 |
|
|
| 81 |
|
DO ij = 1, ip1jmp1 |
| 82 |
|
q(ij, l) = s0(ij, l)/sm(ij, l) |
| 83 |
|
dyq(ij) = sy(ij, l)/sm(ij, l) |
| 84 |
|
END DO |
| 85 |
|
|
| 86 |
|
! -------------------------------- |
| 87 |
|
! CALCUL EN LATITUDE |
| 88 |
|
! -------------------------------- |
| 89 |
|
|
| 90 |
|
! On commence par calculer la valeur du traceur moyenne sur le premier |
| 91 |
|
! cercle |
| 92 |
|
! de latitude autour du pole (qpns pour le pole nord et qpsn pour |
| 93 |
|
! le pole nord) qui sera utilisee pour evaluer les pentes au pole. |
| 94 |
|
|
| 95 |
|
airej2 = ssum(iim, aire(iip2), 1) |
| 96 |
|
airejjm = ssum(iim, aire(ip1jm-iim), 1) |
| 97 |
|
DO i = 1, iim |
| 98 |
|
airescb(i) = aire(i+iip1)*q(i+iip1, l) |
| 99 |
|
airesch(i) = aire(i+ip1jm-iip1)*q(i+ip1jm-iip1, l) |
| 100 |
|
END DO |
| 101 |
|
qpns = ssum(iim, airescb, 1)/airej2 |
| 102 |
|
qpsn = ssum(iim, airesch, 1)/airejjm |
| 103 |
|
|
| 104 |
|
! calcul des pentes aux points v |
| 105 |
|
|
| 106 |
|
DO ij = 1, ip1jm |
| 107 |
|
dyqv(ij) = q(ij, l) - q(ij+iip1, l) |
| 108 |
|
adyqv(ij) = abs(dyqv(ij)) |
| 109 |
|
END DO |
| 110 |
|
|
| 111 |
|
! calcul des pentes aux points scalaires |
| 112 |
|
|
| 113 |
|
DO ij = iip2, ip1jm |
| 114 |
|
dyqmax(ij) = min(adyqv(ij-iip1), adyqv(ij)) |
| 115 |
|
dyqmax(ij) = pente_max*dyqmax(ij) |
| 116 |
|
END DO |
| 117 |
|
|
| 118 |
|
! calcul des pentes aux poles |
| 119 |
|
|
| 120 |
|
! calcul des pentes limites aux poles |
| 121 |
|
|
| 122 |
|
! cas ou on a un extremum au pole |
| 123 |
|
|
| 124 |
|
! if(dyqv(ismin(iim,dyqv,1))*dyqv(ismax(iim,dyqv,1)).le.0.) |
| 125 |
|
! & apn=0. |
| 126 |
|
! if(dyqv(ismax(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1)* |
| 127 |
|
! & dyqv(ismin(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1).le.0.) |
| 128 |
|
! & aps=0. |
| 129 |
|
|
| 130 |
|
! limitation des pentes aux poles |
| 131 |
|
! do ij=1,iip1 |
| 132 |
|
! dyq(ij)=apn*dyq(ij) |
| 133 |
|
! dyq(ip1jm+ij)=aps*dyq(ip1jm+ij) |
| 134 |
|
! enddo |
| 135 |
|
|
| 136 |
|
! test |
| 137 |
|
! do ij=1,iip1 |
| 138 |
|
! dyq(iip1+ij)=0. |
| 139 |
|
! dyq(ip1jm+ij-iip1)=0. |
| 140 |
|
! enddo |
| 141 |
|
! do ij=1,ip1jmp1 |
| 142 |
|
! dyq(ij)=dyq(ij)*cos(rlatu((ij-1)/iip1+1)) |
| 143 |
|
! enddo |
| 144 |
|
|
| 145 |
|
IF (dyqv(ismin(iim,dyqv,1))*dyqv(ismax(iim,dyqv,1))<=0.) THEN |
| 146 |
|
DO ij = 1, iip1 |
| 147 |
|
dyqmax(ij) = 0. |
| 148 |
|
END DO |
| 149 |
|
ELSE |
| 150 |
|
DO ij = 1, iip1 |
| 151 |
|
dyqmax(ij) = pente_max*abs(dyqv(ij)) |
| 152 |
|
END DO |
| 153 |
|
END IF |
| 154 |
|
|
| 155 |
|
IF (dyqv(ismax(iim,dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1)*dyqv(ismin(iim, & |
| 156 |
|
dyqv(ip1jm-iip1+1),1)+ip1jm-iip1+1)<=0.) THEN |
| 157 |
|
DO ij = ip1jm + 1, ip1jmp1 |
| 158 |
|
dyqmax(ij) = 0. |
| 159 |
|
END DO |
| 160 |
|
ELSE |
| 161 |
|
DO ij = ip1jm + 1, ip1jmp1 |
| 162 |
|
dyqmax(ij) = pente_max*abs(dyqv(ij-iip1)) |
| 163 |
|
END DO |
| 164 |
|
END IF |
| 165 |
|
|
| 166 |
|
! calcul des pentes limitees |
| 167 |
|
|
| 168 |
|
DO ij = 1, ip1jmp1 |
| 169 |
|
IF (dyqv(ij)*dyqv(ij-iip1)>0.) THEN |
| 170 |
|
dyq(ij) = sign(min(abs(dyq(ij)),dyqmax(ij)), dyq(ij)) |
| 171 |
|
ELSE |
| 172 |
|
dyq(ij) = 0. |
| 173 |
|
END IF |
| 174 |
|
END DO |
| 175 |
|
|
| 176 |
|
DO ij = 1, ip1jmp1 |
| 177 |
|
sy(ij, l) = dyq(ij)*sm(ij, l) |
| 178 |
|
END DO |
| 179 |
|
|
| 180 |
|
END DO ! fin de la boucle sur les couches verticales |
| 181 |
|
|
| 182 |
|
RETURN |
| 183 |
|
END SUBROUTINE limy |
Parent Directory
| 
Revision Log
| 
Patch