| 1 |
! |
module fyhyp_m |
| 2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/fyhyp.F,v 1.2 2005/06/03 09:11:32 fairhead Exp $ |
|
| 3 |
! |
IMPLICIT NONE |
| 4 |
c |
|
| 5 |
c |
contains |
| 6 |
SUBROUTINE fyhyp ( yzoomdeg, grossism, dzooma,tau , |
|
| 7 |
, rrlatu,yyprimu,rrlatv,yyprimv,rlatu2,yprimu2,rlatu1,yprimu1 , |
SUBROUTINE fyhyp(rlatu, yyprimu, rlatv, rlatu2, yprimu2, rlatu1, yprimu1) |
| 8 |
, champmin,champmax ) |
|
| 9 |
|
! From LMDZ4/libf/dyn3d/fyhyp.F, version 1.2, 2005/06/03 09:11:32 |
| 10 |
cc ... Version du 01/04/2001 .... |
|
| 11 |
|
! Author: P. Le Van, from analysis by R. Sadourny |
| 12 |
use dimens_m |
|
| 13 |
use paramet_m |
! Calcule les latitudes et dérivées dans la grille du GCM pour une |
| 14 |
IMPLICIT NONE |
! fonction f(y) à dérivée tangente hyperbolique. |
| 15 |
c |
|
| 16 |
c ... Auteur : P. Le Van ... |
! Il vaut mieux avoir : grossismy * dzoom < pi / 2 |
| 17 |
c |
|
| 18 |
c ....... d'apres formulations de R. Sadourny ....... |
use coefpoly_m, only: coefpoly |
| 19 |
c |
USE dimens_m, only: jjm |
| 20 |
c Calcule les latitudes et derivees dans la grille du GCM pour une |
use heavyside_m, only: heavyside |
| 21 |
c fonction f(y) a tangente hyperbolique . |
use serre, only: clat, grossismy, dzoomy, tauy |
| 22 |
c |
|
| 23 |
c grossism etant le grossissement ( = 2 si 2 fois, = 3 si 3 fois , etc) |
REAL, intent(out):: rlatu(jjm + 1), yyprimu(jjm + 1) |
| 24 |
c dzoom etant la distance totale de la zone du zoom ( en radians ) |
REAL, intent(out):: rlatv(jjm) |
| 25 |
c tau la raideur de la transition de l'interieur a l'exterieur du zoom |
real, intent(out):: rlatu2(jjm), yprimu2(jjm), rlatu1(jjm), yprimu1(jjm) |
| 26 |
c |
|
| 27 |
c |
! Local: |
| 28 |
c N.B : Il vaut mieux avoir : grossism * dzoom < pi/2 (radians) ,en lati. |
|
| 29 |
c ******************************************************************** |
DOUBLE PRECISION champmin, champmax |
| 30 |
c |
INTEGER, PARAMETER:: nmax=30000, nmax2=2*nmax |
| 31 |
c |
REAL dzoom ! distance totale de la zone du zoom (en radians) |
| 32 |
|
DOUBLE PRECISION ylat(jjm + 1), yprim(jjm + 1) |
| 33 |
INTEGER nmax , nmax2 |
DOUBLE PRECISION yuv |
| 34 |
PARAMETER ( nmax = 30000, nmax2 = 2*nmax ) |
DOUBLE PRECISION, save:: yt(0:nmax2) |
| 35 |
c |
DOUBLE PRECISION fhyp(0:nmax2), beta |
| 36 |
c |
DOUBLE PRECISION, save:: ytprim(0:nmax2) |
| 37 |
c ....... arguments d'entree ....... |
DOUBLE PRECISION fxm(0:nmax2) |
| 38 |
c |
DOUBLE PRECISION, save:: yf(0:nmax2) |
| 39 |
REAL yzoomdeg, grossism,dzooma,tau |
DOUBLE PRECISION yypr(0:nmax2) |
| 40 |
c ( rentres par run.def ) |
DOUBLE PRECISION yvrai(jjm + 1), yprimm(jjm + 1), ylatt(jjm + 1) |
| 41 |
|
DOUBLE PRECISION pi, pis2, epsilon, pisjm |
| 42 |
c ....... arguments de sortie ....... |
DOUBLE PRECISION yo1, yi, ylon2, ymoy, yprimin |
| 43 |
c |
DOUBLE PRECISION yfi, yf1, ffdy |
| 44 |
REAL rrlatu(jjp1), yyprimu(jjp1),rrlatv(jjm), yyprimv(jjm), |
DOUBLE PRECISION ypn, deply, y00 |
| 45 |
, rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
SAVE y00, deply |
| 46 |
|
|
| 47 |
c |
INTEGER i, j, it, ik, iter, jlat |
| 48 |
c ..... champs locaux ..... |
INTEGER jpn, jjpn |
| 49 |
c |
SAVE jpn |
| 50 |
|
DOUBLE PRECISION a0, a1, a2, a3, yi2, heavyy0, heavyy0m |
| 51 |
REAL dzoom |
DOUBLE PRECISION fa(0:nmax2), fb(0:nmax2) |
| 52 |
DOUBLE PRECISION ylat(jjp1), yprim(jjp1) |
REAL y0min, y0max |
| 53 |
DOUBLE PRECISION yuv |
|
| 54 |
DOUBLE PRECISION yt(0:nmax2) |
!------------------------------------------------------------------- |
| 55 |
DOUBLE PRECISION fhyp(0:nmax2),beta,Ytprim(0:nmax2),fxm(0:nmax2) |
|
| 56 |
SAVE Ytprim, yt,Yf |
print *, "Call sequence information: fyhyp" |
| 57 |
DOUBLE PRECISION Yf(0:nmax2),yypr(0:nmax2) |
|
| 58 |
DOUBLE PRECISION yvrai(jjp1), yprimm(jjp1),ylatt(jjp1) |
pi = 2.*asin(1.) |
| 59 |
DOUBLE PRECISION pi,depi,pis2,epsilon,y0,pisjm |
pis2 = pi/2. |
| 60 |
DOUBLE PRECISION yo1,yi,ylon2,ymoy,Yprimin,champmin,champmax |
pisjm = pi/real(jjm) |
| 61 |
DOUBLE PRECISION yfi,Yf1,ffdy |
epsilon = 1e-3 |
| 62 |
DOUBLE PRECISION ypn,deply,y00 |
dzoom = dzoomy*pi |
| 63 |
SAVE y00, deply |
print *, 'yzoom(rad), grossismy, tauy, dzoom (rad):' |
| 64 |
|
print *, clat, grossismy, tauy, dzoom |
| 65 |
INTEGER i,j,it,ik,iter,jlat |
|
| 66 |
INTEGER jpn,jjpn |
DO i = 0, nmax2 |
| 67 |
SAVE jpn |
yt(i) = -pis2 + real(i)*pi/nmax2 |
| 68 |
DOUBLE PRECISION a0,a1,a2,a3,yi2,heavyy0,heavyy0m |
END DO |
| 69 |
DOUBLE PRECISION fa(0:nmax2),fb(0:nmax2) |
|
| 70 |
REAL y0min,y0max |
heavyy0m = heavyside(-clat) |
| 71 |
|
heavyy0 = heavyside(clat) |
| 72 |
DOUBLE PRECISION heavyside |
y0min = 2.*clat*heavyy0m - pis2 |
| 73 |
|
y0max = 2.*clat*heavyy0 + pis2 |
| 74 |
pi = 2. * ASIN(1.) |
|
| 75 |
depi = 2. * pi |
fa = 999.999 |
| 76 |
pis2 = pi/2. |
fb = 999.999 |
| 77 |
pisjm = pi/ FLOAT(jjm) |
|
| 78 |
epsilon = 1.e-3 |
DO i = 0, nmax2 |
| 79 |
y0 = yzoomdeg * pi/180. |
IF (yt(i)<clat) THEN |
| 80 |
|
fa(i) = tauy*(yt(i)-clat + dzoom/2.) |
| 81 |
IF( dzooma.LT.1.) THEN |
fb(i) = (yt(i)-2.*clat*heavyy0m + pis2)*(clat-yt(i)) |
| 82 |
dzoom = dzooma * pi |
ELSE IF (yt(i)>clat) THEN |
| 83 |
ELSEIF( dzooma.LT. 12. ) THEN |
fa(i) = tauy*(clat-yt(i) + dzoom/2.) |
| 84 |
WRITE(6,*) ' Le param. dzoomy pour fyhyp est trop petit ! L aug |
fb(i) = (2.*clat*heavyy0-yt(i) + pis2)*(yt(i)-clat) |
| 85 |
,menter et relancer ! ' |
END IF |
| 86 |
STOP 1 |
|
| 87 |
|
IF (200.*fb(i)<-fa(i)) THEN |
| 88 |
|
fhyp(i) = -1. |
| 89 |
|
ELSE IF (200.*fb(i)<fa(i)) THEN |
| 90 |
|
fhyp(i) = 1. |
| 91 |
ELSE |
ELSE |
| 92 |
dzoom = dzooma * pi/180. |
fhyp(i) = tanh(fa(i)/fb(i)) |
| 93 |
ENDIF |
END IF |
| 94 |
|
|
| 95 |
WRITE(6,18) |
IF (yt(i)==clat) fhyp(i) = 1. |
| 96 |
WRITE(6,*) ' yzoom( rad.),grossism,tau,dzoom (radians)' |
IF (yt(i)==y0min .OR. yt(i)==y0max) fhyp(i) = -1. |
| 97 |
WRITE(6,24) y0,grossism,tau,dzoom |
END DO |
| 98 |
|
|
| 99 |
DO i = 0, nmax2 |
! Calcul de beta |
| 100 |
yt(i) = - pis2 + FLOAT(i)* pi /nmax2 |
|
| 101 |
ENDDO |
ffdy = 0. |
| 102 |
|
|
| 103 |
heavyy0m = heavyside( -y0 ) |
DO i = 1, nmax2 |
| 104 |
heavyy0 = heavyside( y0 ) |
ymoy = 0.5*(yt(i-1) + yt(i)) |
| 105 |
y0min = 2.*y0*heavyy0m - pis2 |
IF (ymoy<clat) THEN |
| 106 |
y0max = 2.*y0*heavyy0 + pis2 |
fa(i) = tauy*(ymoy-clat + dzoom/2.) |
| 107 |
|
fb(i) = (ymoy-2.*clat*heavyy0m + pis2)*(clat-ymoy) |
| 108 |
fa = 999.999 |
ELSE IF (ymoy>clat) THEN |
| 109 |
fb = 999.999 |
fa(i) = tauy*(clat-ymoy + dzoom/2.) |
| 110 |
|
fb(i) = (2.*clat*heavyy0-ymoy + pis2)*(ymoy-clat) |
| 111 |
DO i = 0, nmax2 |
END IF |
| 112 |
IF( yt(i).LT.y0 ) THEN |
|
| 113 |
fa (i) = tau* (yt(i)-y0+dzoom/2. ) |
IF (200.*fb(i)<-fa(i)) THEN |
| 114 |
fb(i) = (yt(i)-2.*y0*heavyy0m +pis2) * ( y0 - yt(i) ) |
fxm(i) = -1. |
| 115 |
ELSEIF ( yt(i).GT.y0 ) THEN |
ELSE IF (200.*fb(i)<fa(i)) THEN |
| 116 |
fa(i) = tau *(y0-yt(i)+dzoom/2. ) |
fxm(i) = 1. |
| 117 |
fb(i) = (2.*y0*heavyy0 -yt(i)+pis2) * ( yt(i) - y0 ) |
ELSE |
| 118 |
ENDIF |
fxm(i) = tanh(fa(i)/fb(i)) |
| 119 |
|
END IF |
| 120 |
IF( 200.* fb(i) .LT. - fa(i) ) THEN |
IF (ymoy==clat) fxm(i) = 1. |
| 121 |
fhyp ( i) = - 1. |
IF (ymoy==y0min .OR. yt(i)==y0max) fxm(i) = -1. |
| 122 |
ELSEIF( 200. * fb(i) .LT. fa(i) ) THEN |
ffdy = ffdy + fxm(i)*(yt(i)-yt(i-1)) |
| 123 |
fhyp ( i) = 1. |
END DO |
| 124 |
ELSE |
|
| 125 |
fhyp(i) = TANH ( fa(i)/fb(i) ) |
beta = (grossismy*ffdy-pi)/(ffdy-pi) |
| 126 |
ENDIF |
|
| 127 |
|
IF (2. * beta - grossismy <= 0.) THEN |
| 128 |
|
print *, 'Attention ! La valeur beta calculee dans la routine fyhyp ' & |
| 129 |
|
// 'est mauvaise. Modifier les valeurs de grossismy, tauy ou ' & |
| 130 |
|
// 'dzoomy et relancer.' |
| 131 |
|
STOP 1 |
| 132 |
|
END IF |
| 133 |
|
|
| 134 |
|
! calcul de Ytprim |
| 135 |
|
|
| 136 |
|
DO i = 0, nmax2 |
| 137 |
|
ytprim(i) = beta + (grossismy-beta)*fhyp(i) |
| 138 |
|
END DO |
| 139 |
|
|
| 140 |
|
! Calcul de Yf |
| 141 |
|
|
| 142 |
|
yf(0) = -pis2 |
| 143 |
|
DO i = 1, nmax2 |
| 144 |
|
yypr(i) = beta + (grossismy-beta)*fxm(i) |
| 145 |
|
END DO |
| 146 |
|
|
| 147 |
|
DO i = 1, nmax2 |
| 148 |
|
yf(i) = yf(i-1) + yypr(i)*(yt(i)-yt(i-1)) |
| 149 |
|
END DO |
| 150 |
|
|
| 151 |
|
! yuv = 0. si calcul des latitudes aux pts. U |
| 152 |
|
! yuv = 0.5 si calcul des latitudes aux pts. V |
| 153 |
|
|
| 154 |
|
loop_ik: DO ik = 1, 4 |
| 155 |
|
IF (ik==1) THEN |
| 156 |
|
yuv = 0. |
| 157 |
|
jlat = jjm + 1 |
| 158 |
|
ELSE IF (ik==2) THEN |
| 159 |
|
yuv = 0.5 |
| 160 |
|
jlat = jjm |
| 161 |
|
ELSE IF (ik==3) THEN |
| 162 |
|
yuv = 0.25 |
| 163 |
|
jlat = jjm |
| 164 |
|
ELSE IF (ik==4) THEN |
| 165 |
|
yuv = 0.75 |
| 166 |
|
jlat = jjm |
| 167 |
|
END IF |
| 168 |
|
|
| 169 |
|
yo1 = 0. |
| 170 |
|
DO j = 1, jlat |
| 171 |
|
yo1 = 0. |
| 172 |
|
ylon2 = -pis2 + pisjm*(real(j) + yuv-1.) |
| 173 |
|
yfi = ylon2 |
| 174 |
|
|
| 175 |
|
it = nmax2 |
| 176 |
|
DO while (it >= 1 .and. yfi < yf(it)) |
| 177 |
|
it = it - 1 |
| 178 |
|
END DO |
| 179 |
|
|
| 180 |
|
yi = yt(it) |
| 181 |
|
IF (it==nmax2) THEN |
| 182 |
|
it = nmax2 - 1 |
| 183 |
|
yf(it + 1) = pis2 |
| 184 |
|
END IF |
| 185 |
|
|
| 186 |
|
! Interpolation entre yi(it) et yi(it + 1) pour avoir Y(yi) |
| 187 |
|
! et Y'(yi) |
| 188 |
|
|
| 189 |
|
CALL coefpoly(yf(it), yf(it + 1), ytprim(it), ytprim(it + 1), & |
| 190 |
|
yt(it), yt(it + 1), a0, a1, a2, a3) |
| 191 |
|
|
| 192 |
|
yf1 = yf(it) |
| 193 |
|
yprimin = a1 + 2.*a2*yi + 3.*a3*yi*yi |
| 194 |
|
|
| 195 |
|
iter = 1 |
| 196 |
|
DO |
| 197 |
|
yi = yi - (yf1-yfi)/yprimin |
| 198 |
|
IF (abs(yi-yo1)<=epsilon .or. iter == 300) exit |
| 199 |
|
yo1 = yi |
| 200 |
|
yi2 = yi*yi |
| 201 |
|
yf1 = a0 + a1*yi + a2*yi2 + a3*yi2*yi |
| 202 |
|
yprimin = a1 + 2.*a2*yi + 3.*a3*yi2 |
| 203 |
|
END DO |
| 204 |
|
if (abs(yi-yo1) > epsilon) then |
| 205 |
|
print *, 'Pas de solution.', j, ylon2 |
| 206 |
|
STOP 1 |
| 207 |
|
end if |
| 208 |
|
|
| 209 |
|
yprimin = a1 + 2.*a2*yi + 3.*a3*yi*yi |
| 210 |
|
yprim(j) = pi/(jjm*yprimin) |
| 211 |
|
yvrai(j) = yi |
| 212 |
|
END DO |
| 213 |
|
|
| 214 |
|
DO j = 1, jlat - 1 |
| 215 |
|
IF (yvrai(j + 1)<yvrai(j)) THEN |
| 216 |
|
print *, 'Problème avec rlat(', j + 1, ') plus petit que rlat(', & |
| 217 |
|
j, ')' |
| 218 |
|
STOP 1 |
| 219 |
|
END IF |
| 220 |
|
END DO |
| 221 |
|
|
| 222 |
|
print *, 'Reorganisation des latitudes pour avoir entre - pi/2 et pi/2' |
| 223 |
|
|
| 224 |
|
IF (ik==1) THEN |
| 225 |
|
ypn = pis2 |
| 226 |
|
DO j = jjm + 1, 1, -1 |
| 227 |
|
IF (yvrai(j)<=ypn) exit |
| 228 |
|
END DO |
| 229 |
|
|
| 230 |
|
jpn = j |
| 231 |
|
y00 = yvrai(jpn) |
| 232 |
|
deply = pis2 - y00 |
| 233 |
|
END IF |
| 234 |
|
|
| 235 |
|
DO j = 1, jjm + 1 - jpn |
| 236 |
|
ylatt(j) = -pis2 - y00 + yvrai(jpn + j-1) |
| 237 |
|
yprimm(j) = yprim(jpn + j-1) |
| 238 |
|
END DO |
| 239 |
|
|
| 240 |
|
jjpn = jpn |
| 241 |
|
IF (jlat==jjm) jjpn = jpn - 1 |
| 242 |
|
|
| 243 |
|
DO j = 1, jjpn |
| 244 |
|
ylatt(j + jjm + 1-jpn) = yvrai(j) + deply |
| 245 |
|
yprimm(j + jjm + 1-jpn) = yprim(j) |
| 246 |
|
END DO |
| 247 |
|
|
| 248 |
IF( yt(i).EQ.y0 ) fhyp(i) = 1. |
! Fin de la reorganisation |
|
IF(yt(i).EQ. y0min. OR.yt(i).EQ. y0max ) fhyp(i) = -1. |
|
| 249 |
|
|
| 250 |
ENDDO |
DO j = 1, jlat |
| 251 |
|
ylat(j) = ylatt(jlat + 1-j) |
| 252 |
|
yprim(j) = yprimm(jlat + 1-j) |
| 253 |
|
END DO |
| 254 |
|
|
| 255 |
cc .... Calcul de beta .... |
DO j = 1, jlat |
| 256 |
c |
yvrai(j) = ylat(j)*180./pi |
| 257 |
ffdy = 0. |
END DO |
|
|
|
|
DO i = 1, nmax2 |
|
|
ymoy = 0.5 * ( yt(i-1) + yt( i ) ) |
|
|
IF( ymoy.LT.y0 ) THEN |
|
|
fa(i)= tau * ( ymoy-y0+dzoom/2.) |
|
|
fb(i) = (ymoy-2.*y0*heavyy0m +pis2) * ( y0 - ymoy ) |
|
|
ELSEIF ( ymoy.GT.y0 ) THEN |
|
|
fa(i)= tau * ( y0-ymoy+dzoom/2. ) |
|
|
fb(i) = (2.*y0*heavyy0 -ymoy+pis2) * ( ymoy - y0 ) |
|
|
ENDIF |
|
|
|
|
|
IF( 200.* fb(i) .LT. - fa(i) ) THEN |
|
|
fxm ( i) = - 1. |
|
|
ELSEIF( 200. * fb(i) .LT. fa(i) ) THEN |
|
|
fxm ( i) = 1. |
|
|
ELSE |
|
|
fxm(i) = TANH ( fa(i)/fb(i) ) |
|
|
ENDIF |
|
|
IF( ymoy.EQ.y0 ) fxm(i) = 1. |
|
|
IF (ymoy.EQ. y0min. OR.yt(i).EQ. y0max ) fxm(i) = -1. |
|
|
ffdy = ffdy + fxm(i) * ( yt(i) - yt(i-1) ) |
|
|
|
|
|
ENDDO |
|
|
|
|
|
beta = ( grossism * ffdy - pi ) / ( ffdy - pi ) |
|
|
|
|
|
IF( 2.*beta - grossism.LE. 0.) THEN |
|
|
|
|
|
WRITE(6,*) ' ** Attention ! La valeur beta calculee dans la rou |
|
|
,tine fyhyp est mauvaise ! ' |
|
|
WRITE(6,*)'Modifier les valeurs de grossismy ,tauy ou dzoomy', |
|
|
, ' et relancer ! *** ' |
|
|
STOP 1 |
|
| 258 |
|
|
| 259 |
|
IF (ik==1) THEN |
| 260 |
|
DO j = 1, jjm + 1 |
| 261 |
|
rlatu(j) = ylat(j) |
| 262 |
|
yyprimu(j) = yprim(j) |
| 263 |
|
END DO |
| 264 |
|
ELSE IF (ik==2) THEN |
| 265 |
|
DO j = 1, jjm |
| 266 |
|
rlatv(j) = ylat(j) |
| 267 |
|
END DO |
| 268 |
|
ELSE IF (ik==3) THEN |
| 269 |
|
DO j = 1, jjm |
| 270 |
|
rlatu2(j) = ylat(j) |
| 271 |
|
yprimu2(j) = yprim(j) |
| 272 |
|
END DO |
| 273 |
|
ELSE IF (ik==4) THEN |
| 274 |
|
DO j = 1, jjm |
| 275 |
|
rlatu1(j) = ylat(j) |
| 276 |
|
yprimu1(j) = yprim(j) |
| 277 |
|
END DO |
| 278 |
|
END IF |
| 279 |
|
END DO loop_ik |
| 280 |
|
|
| 281 |
|
DO j = 1, jjm |
| 282 |
|
ylat(j) = rlatu(j) - rlatu(j + 1) |
| 283 |
|
END DO |
| 284 |
|
champmin = 1e12 |
| 285 |
|
champmax = -1e12 |
| 286 |
|
DO j = 1, jjm |
| 287 |
|
champmin = min(champmin, ylat(j)) |
| 288 |
|
champmax = max(champmax, ylat(j)) |
| 289 |
|
END DO |
| 290 |
|
champmin = champmin*180./pi |
| 291 |
|
champmax = champmax*180./pi |
| 292 |
|
|
| 293 |
|
DO j = 1, jjm |
| 294 |
|
IF (rlatu1(j) <= rlatu2(j)) THEN |
| 295 |
|
print *, 'Attention ! rlatu1 < rlatu2 ', rlatu1(j), rlatu2(j), j |
| 296 |
|
STOP 13 |
| 297 |
ENDIF |
ENDIF |
| 298 |
c |
|
| 299 |
c ..... calcul de Ytprim ..... |
IF (rlatu2(j) <= rlatu(j+1)) THEN |
| 300 |
c |
print *, 'Attention ! rlatu2 < rlatup1 ', rlatu2(j), rlatu(j+1), j |
| 301 |
|
STOP 14 |
|
DO i = 0, nmax2 |
|
|
Ytprim(i) = beta + ( grossism - beta ) * fhyp(i) |
|
|
ENDDO |
|
|
|
|
|
c ..... Calcul de Yf ........ |
|
|
|
|
|
Yf(0) = - pis2 |
|
|
DO i = 1, nmax2 |
|
|
yypr(i) = beta + ( grossism - beta ) * fxm(i) |
|
|
ENDDO |
|
|
|
|
|
DO i=1,nmax2 |
|
|
Yf(i) = Yf(i-1) + yypr(i) * ( yt(i) - yt(i-1) ) |
|
|
ENDDO |
|
|
|
|
|
c **************************************************************** |
|
|
c |
|
|
c ..... yuv = 0. si calcul des latitudes aux pts. U ..... |
|
|
c ..... yuv = 0.5 si calcul des latitudes aux pts. V ..... |
|
|
c |
|
|
WRITE(6,18) |
|
|
c |
|
|
DO 5000 ik = 1,4 |
|
|
|
|
|
IF( ik.EQ.1 ) THEN |
|
|
yuv = 0. |
|
|
jlat = jjm + 1 |
|
|
ELSE IF ( ik.EQ.2 ) THEN |
|
|
yuv = 0.5 |
|
|
jlat = jjm |
|
|
ELSE IF ( ik.EQ.3 ) THEN |
|
|
yuv = 0.25 |
|
|
jlat = jjm |
|
|
ELSE IF ( ik.EQ.4 ) THEN |
|
|
yuv = 0.75 |
|
|
jlat = jjm |
|
| 302 |
ENDIF |
ENDIF |
| 303 |
c |
|
| 304 |
yo1 = 0. |
IF (rlatu(j) <= rlatu1(j)) THEN |
| 305 |
DO 1500 j = 1,jlat |
print *, ' Attention ! rlatu < rlatu1 ', rlatu(j), rlatu1(j), j |
| 306 |
yo1 = 0. |
STOP 15 |
|
ylon2 = - pis2 + pisjm * ( FLOAT(j) + yuv -1.) |
|
|
yfi = ylon2 |
|
|
c |
|
|
DO 250 it = nmax2,0,-1 |
|
|
IF( yfi.GE.Yf(it)) GO TO 350 |
|
|
250 CONTINUE |
|
|
it = 0 |
|
|
350 CONTINUE |
|
|
|
|
|
yi = yt(it) |
|
|
IF(it.EQ.nmax2) THEN |
|
|
it = nmax2 -1 |
|
|
Yf(it+1) = pis2 |
|
| 307 |
ENDIF |
ENDIF |
|
c ................................................................. |
|
|
c .... Interpolation entre yi(it) et yi(it+1) pour avoir Y(yi) |
|
|
c ..... et Y'(yi) ..... |
|
|
c ................................................................. |
|
|
|
|
|
CALL coefpoly ( Yf(it),Yf(it+1),Ytprim(it), Ytprim(it+1), |
|
|
, yt(it),yt(it+1) , a0,a1,a2,a3 ) |
|
|
|
|
|
Yf1 = Yf(it) |
|
|
Yprimin = a1 + 2.* a2 * yi + 3.*a3 * yi *yi |
|
|
|
|
|
DO 500 iter = 1,300 |
|
|
yi = yi - ( Yf1 - yfi )/ Yprimin |
|
|
|
|
|
IF( ABS(yi-yo1).LE.epsilon) GO TO 550 |
|
|
yo1 = yi |
|
|
yi2 = yi * yi |
|
|
Yf1 = a0 + a1 * yi + a2 * yi2 + a3 * yi2 * yi |
|
|
Yprimin = a1 + 2.* a2 * yi + 3.* a3 * yi2 |
|
|
500 CONTINUE |
|
|
WRITE(6,*) ' Pas de solution ***** ',j,ylon2,iter |
|
|
STOP 2 |
|
|
550 CONTINUE |
|
|
c |
|
|
Yprimin = a1 + 2.* a2 * yi + 3.* a3 * yi* yi |
|
|
yprim(j) = pi / ( jjm * Yprimin ) |
|
|
yvrai(j) = yi |
|
|
|
|
|
1500 CONTINUE |
|
|
|
|
|
DO j = 1, jlat -1 |
|
|
IF( yvrai(j+1). LT. yvrai(j) ) THEN |
|
|
WRITE(6,*) ' PBS. avec rlat(',j+1,') plus petit que rlat(',j, |
|
|
, ')' |
|
|
STOP 3 |
|
|
ENDIF |
|
|
ENDDO |
|
|
|
|
|
WRITE(6,*) 'Reorganisation des latitudes pour avoir entre - pi/2' |
|
|
, ,' et pi/2 ' |
|
|
c |
|
|
IF( ik.EQ.1 ) THEN |
|
|
ypn = pis2 |
|
|
DO j = jlat,1,-1 |
|
|
IF( yvrai(j).LE. ypn ) GO TO 1502 |
|
|
ENDDO |
|
|
1502 CONTINUE |
|
|
|
|
|
jpn = j |
|
|
y00 = yvrai(jpn) |
|
|
deply = pis2 - y00 |
|
|
ENDIF |
|
|
|
|
|
DO j = 1, jjm +1 - jpn |
|
|
ylatt (j) = -pis2 - y00 + yvrai(jpn+j-1) |
|
|
yprimm(j) = yprim(jpn+j-1) |
|
|
ENDDO |
|
|
|
|
|
jjpn = jpn |
|
|
IF( jlat.EQ. jjm ) jjpn = jpn -1 |
|
|
|
|
|
DO j = 1,jjpn |
|
|
ylatt (j + jjm+1 -jpn) = yvrai(j) + deply |
|
|
yprimm(j + jjm+1 -jpn) = yprim(j) |
|
|
ENDDO |
|
|
|
|
|
c *********** Fin de la reorganisation ************* |
|
|
c |
|
|
1600 CONTINUE |
|
| 308 |
|
|
| 309 |
DO j = 1, jlat |
IF (rlatv(j) <= rlatu2(j)) THEN |
| 310 |
ylat(j) = ylatt( jlat +1 -j ) |
print *, ' Attention ! rlatv < rlatu2 ', rlatv(j), rlatu2(j), j |
| 311 |
yprim(j) = yprimm( jlat +1 -j ) |
STOP 16 |
| 312 |
ENDDO |
ENDIF |
| 313 |
|
|
| 314 |
DO j = 1, jlat |
IF (rlatv(j) >= rlatu1(j)) THEN |
| 315 |
yvrai(j) = ylat(j)*180./pi |
print *, ' Attention ! rlatv > rlatu1 ', rlatv(j), rlatu1(j), j |
| 316 |
ENDDO |
STOP 17 |
| 317 |
|
ENDIF |
| 318 |
IF( ik.EQ.1 ) THEN |
|
| 319 |
c WRITE(6,18) |
IF (rlatv(j) >= rlatu(j)) THEN |
| 320 |
c WRITE(6,*) ' YLAT en U apres ( en deg. ) ' |
print *, ' Attention ! rlatv > rlatu ', rlatv(j), rlatu(j), j |
| 321 |
c WRITE(6,68) (yvrai(j),j=1,jlat) |
STOP 18 |
| 322 |
cc WRITE(6,*) ' YPRIM ' |
ENDIF |
| 323 |
cc WRITE(6,445) ( yprim(j),j=1,jlat) |
ENDDO |
| 324 |
|
|
| 325 |
DO j = 1, jlat |
print *, 'Latitudes' |
| 326 |
rrlatu(j) = ylat( j ) |
print 3, champmin, champmax |
| 327 |
yyprimu(j) = yprim( j ) |
|
| 328 |
ENDDO |
3 Format(1x, ' Au centre du zoom, la longueur de la maille est', & |
| 329 |
|
' d environ ', f0.2, ' degres ', /, & |
| 330 |
ELSE IF ( ik.EQ. 2 ) THEN |
' alors que la maille en dehors de la zone du zoom est ', & |
| 331 |
c WRITE(6,18) |
"d'environ ", f0.2, ' degres ') |
| 332 |
c WRITE(6,*) ' YLAT en V apres ( en deg. ) ' |
|
| 333 |
c WRITE(6,68) (yvrai(j),j=1,jlat) |
END SUBROUTINE fyhyp |
|
cc WRITE(6,*)' YPRIM ' |
|
|
cc WRITE(6,445) ( yprim(j),j=1,jlat) |
|
|
|
|
|
DO j = 1, jlat |
|
|
rrlatv(j) = ylat( j ) |
|
|
yyprimv(j) = yprim( j ) |
|
|
ENDDO |
|
|
|
|
|
ELSE IF ( ik.EQ. 3 ) THEN |
|
|
c WRITE(6,18) |
|
|
c WRITE(6,*) ' YLAT en U + 0.75 apres ( en deg. ) ' |
|
|
c WRITE(6,68) (yvrai(j),j=1,jlat) |
|
|
cc WRITE(6,*) ' YPRIM ' |
|
|
cc WRITE(6,445) ( yprim(j),j=1,jlat) |
|
|
|
|
|
DO j = 1, jlat |
|
|
rlatu2(j) = ylat( j ) |
|
|
yprimu2(j) = yprim( j ) |
|
|
ENDDO |
|
|
|
|
|
ELSE IF ( ik.EQ. 4 ) THEN |
|
|
c WRITE(6,18) |
|
|
c WRITE(6,*) ' YLAT en U + 0.25 apres ( en deg. ) ' |
|
|
c WRITE(6,68)(yvrai(j),j=1,jlat) |
|
|
cc WRITE(6,*) ' YPRIM ' |
|
|
cc WRITE(6,68) ( yprim(j),j=1,jlat) |
|
|
|
|
|
DO j = 1, jlat |
|
|
rlatu1(j) = ylat( j ) |
|
|
yprimu1(j) = yprim( j ) |
|
|
ENDDO |
|
|
|
|
|
ENDIF |
|
|
|
|
|
5000 CONTINUE |
|
|
c |
|
|
WRITE(6,18) |
|
|
c |
|
|
c ..... fin de la boucle do 5000 ..... |
|
|
|
|
|
DO j = 1, jjm |
|
|
ylat(j) = rrlatu(j) - rrlatu(j+1) |
|
|
ENDDO |
|
|
champmin = 1.e12 |
|
|
champmax = -1.e12 |
|
|
DO j = 1, jjm |
|
|
champmin = MIN( champmin, ylat(j) ) |
|
|
champmax = MAX( champmax, ylat(j) ) |
|
|
ENDDO |
|
|
champmin = champmin * 180./pi |
|
|
champmax = champmax * 180./pi |
|
|
|
|
|
24 FORMAT(2x,'Parametres yzoom,gross,tau ,dzoom pour fyhyp ',4f8.3) |
|
|
18 FORMAT(/) |
|
|
68 FORMAT(1x,7f9.2) |
|
| 334 |
|
|
| 335 |
RETURN |
end module fyhyp_m |
|
END |
|
Parent Directory
| 
Revision Log
| 
Patch