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contains |
contains |
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SUBROUTINE fyhyp(rlatu, yyprimu, rlatv, rlatu2, yprimu2, rlatu1, yprimu1) |
SUBROUTINE fyhyp(rlatu, rlatv, rlatu2, yprimu2, rlatu1, yprimu1) |
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! From LMDZ4/libf/dyn3d/fyhyp.F, version 1.2, 2005/06/03 09:11:32 |
! From LMDZ4/libf/dyn3d/fyhyp.F, version 1.2, 2005/06/03 09:11:32 |
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! Calcule les latitudes et dérivées dans la grille du GCM pour une |
! Calcule les latitudes et dérivées dans la grille du GCM pour une |
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! fonction f(y) à dérivée tangente hyperbolique. |
! fonction f(y) à dérivée tangente hyperbolique. |
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! Nota bene : il vaut mieux avoir grossismy * dzoomy < pi / 2 (radians). |
! Il vaut mieux avoir : grossismy * dzoom < pi / 2 |
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use coefpoly_m, only: coefpoly |
use coefpoly_m, only: coefpoly |
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USE dimens_m, only: jjm |
USE dimens_m, only: jjm |
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use serre, only: clat, grossismy, dzoomy, tauy |
use dynetat0_m, only: clat, grossismy, dzoomy, tauy |
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use heavyside_m, only: heavyside |
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REAL, intent(out):: rlatu(jjm + 1), yyprimu(jjm + 1) |
REAL, intent(out):: rlatu(jjm + 1) |
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REAL, intent(out):: rlatv(jjm) |
REAL, intent(out):: rlatv(jjm) |
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real, intent(out):: rlatu2(jjm), yprimu2(jjm), rlatu1(jjm), yprimu1(jjm) |
real, intent(out):: rlatu2(jjm), yprimu2(jjm), rlatu1(jjm), yprimu1(jjm) |
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DOUBLE PRECISION, save:: yf(0:nmax2) |
DOUBLE PRECISION, save:: yf(0:nmax2) |
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DOUBLE PRECISION yypr(0:nmax2) |
DOUBLE PRECISION yypr(0:nmax2) |
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DOUBLE PRECISION yvrai(jjm + 1), yprimm(jjm + 1), ylatt(jjm + 1) |
DOUBLE PRECISION yvrai(jjm + 1), yprimm(jjm + 1), ylatt(jjm + 1) |
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DOUBLE PRECISION pi, pis2, epsilon, y0, pisjm |
DOUBLE PRECISION pi, pis2, epsilon, pisjm |
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DOUBLE PRECISION yo1, yi, ylon2, ymoy, yprimin |
DOUBLE PRECISION yo1, yi, ylon2, ymoy, yprimin |
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DOUBLE PRECISION yfi, yf1, ffdy |
DOUBLE PRECISION yfi, yf1, ffdy |
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DOUBLE PRECISION ypn, deply, y00 |
DOUBLE PRECISION ypn, deply, y00 |
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DOUBLE PRECISION fa(0:nmax2), fb(0:nmax2) |
DOUBLE PRECISION fa(0:nmax2), fb(0:nmax2) |
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REAL y0min, y0max |
REAL y0min, y0max |
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DOUBLE PRECISION heavyside |
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!------------------------------------------------------------------- |
!------------------------------------------------------------------- |
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print *, "Call sequence information: fyhyp" |
print *, "Call sequence information: fyhyp" |
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pis2 = pi/2. |
pis2 = pi/2. |
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pisjm = pi/real(jjm) |
pisjm = pi/real(jjm) |
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epsilon = 1e-3 |
epsilon = 1e-3 |
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y0 = clat*pi/180. |
dzoom = dzoomy*pi |
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IF (dzoomy<1.) THEN |
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dzoom = dzoomy*pi |
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ELSE IF (dzoomy<12.) THEN |
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print *, "Le paramètre dzoomy pour fyhyp est trop petit. L'augmenter " & |
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// "et relancer." |
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STOP 1 |
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ELSE |
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dzoom = dzoomy * pi/180. |
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END IF |
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print *, 'yzoom(rad), grossismy, tauy, dzoom (rad):' |
print *, 'yzoom(rad), grossismy, tauy, dzoom (rad):' |
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print *, y0, grossismy, tauy, dzoom |
print *, clat, grossismy, tauy, dzoom |
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DO i = 0, nmax2 |
DO i = 0, nmax2 |
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yt(i) = -pis2 + real(i)*pi/nmax2 |
yt(i) = -pis2 + real(i)*pi/nmax2 |
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END DO |
END DO |
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heavyy0m = heavyside(-y0) |
heavyy0m = heavyside(-clat) |
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heavyy0 = heavyside(y0) |
heavyy0 = heavyside(clat) |
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y0min = 2.*y0*heavyy0m - pis2 |
y0min = 2.*clat*heavyy0m - pis2 |
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y0max = 2.*y0*heavyy0 + pis2 |
y0max = 2.*clat*heavyy0 + pis2 |
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fa = 999.999 |
fa = 999.999 |
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fb = 999.999 |
fb = 999.999 |
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DO i = 0, nmax2 |
DO i = 0, nmax2 |
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IF (yt(i)<y0) THEN |
IF (yt(i)<clat) THEN |
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fa(i) = tauy*(yt(i)-y0 + dzoom/2.) |
fa(i) = tauy*(yt(i)-clat + dzoom/2.) |
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fb(i) = (yt(i)-2.*y0*heavyy0m + pis2)*(y0-yt(i)) |
fb(i) = (yt(i)-2.*clat*heavyy0m + pis2)*(clat-yt(i)) |
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ELSE IF (yt(i)>y0) THEN |
ELSE IF (yt(i)>clat) THEN |
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fa(i) = tauy*(y0-yt(i) + dzoom/2.) |
fa(i) = tauy*(clat-yt(i) + dzoom/2.) |
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fb(i) = (2.*y0*heavyy0-yt(i) + pis2)*(yt(i)-y0) |
fb(i) = (2.*clat*heavyy0-yt(i) + pis2)*(yt(i)-clat) |
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END IF |
END IF |
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IF (200.*fb(i)<-fa(i)) THEN |
IF (200.*fb(i)<-fa(i)) THEN |
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fhyp(i) = tanh(fa(i)/fb(i)) |
fhyp(i) = tanh(fa(i)/fb(i)) |
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END IF |
END IF |
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IF (yt(i)==y0) fhyp(i) = 1. |
IF (yt(i)==clat) fhyp(i) = 1. |
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IF (yt(i)==y0min .OR. yt(i)==y0max) fhyp(i) = -1. |
IF (yt(i)==y0min .OR. yt(i)==y0max) fhyp(i) = -1. |
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END DO |
END DO |
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DO i = 1, nmax2 |
DO i = 1, nmax2 |
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ymoy = 0.5*(yt(i-1) + yt(i)) |
ymoy = 0.5*(yt(i-1) + yt(i)) |
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IF (ymoy<y0) THEN |
IF (ymoy<clat) THEN |
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fa(i) = tauy*(ymoy-y0 + dzoom/2.) |
fa(i) = tauy*(ymoy-clat + dzoom/2.) |
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fb(i) = (ymoy-2.*y0*heavyy0m + pis2)*(y0-ymoy) |
fb(i) = (ymoy-2.*clat*heavyy0m + pis2)*(clat-ymoy) |
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ELSE IF (ymoy>y0) THEN |
ELSE IF (ymoy>clat) THEN |
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fa(i) = tauy*(y0-ymoy + dzoom/2.) |
fa(i) = tauy*(clat-ymoy + dzoom/2.) |
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fb(i) = (2.*y0*heavyy0-ymoy + pis2)*(ymoy-y0) |
fb(i) = (2.*clat*heavyy0-ymoy + pis2)*(ymoy-clat) |
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END IF |
END IF |
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IF (200.*fb(i)<-fa(i)) THEN |
IF (200.*fb(i)<-fa(i)) THEN |
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ELSE |
ELSE |
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fxm(i) = tanh(fa(i)/fb(i)) |
fxm(i) = tanh(fa(i)/fb(i)) |
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END IF |
END IF |
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IF (ymoy==y0) fxm(i) = 1. |
IF (ymoy==clat) fxm(i) = 1. |
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IF (ymoy==y0min .OR. yt(i)==y0max) fxm(i) = -1. |
IF (ymoy==y0min .OR. yt(i)==y0max) fxm(i) = -1. |
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ffdy = ffdy + fxm(i)*(yt(i)-yt(i-1)) |
ffdy = ffdy + fxm(i)*(yt(i)-yt(i-1)) |
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END DO |
END DO |
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IF (ik==1) THEN |
IF (ik==1) THEN |
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DO j = 1, jjm + 1 |
DO j = 1, jjm + 1 |
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rlatu(j) = ylat(j) |
rlatu(j) = ylat(j) |
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yyprimu(j) = yprim(j) |
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END DO |
END DO |
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ELSE IF (ik==2) THEN |
ELSE IF (ik==2) THEN |
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DO j = 1, jjm |
DO j = 1, jjm |