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module inigeom_m |
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|
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IMPLICIT NONE |
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|
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contains |
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|
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SUBROUTINE inigeom |
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|
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! Auteur : P. Le Van |
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! Version du 01/04/2001 |
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|
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! Calcul des élongations cuij1, ..., cuij4, cvij1, ..., cvij4 aux mêmes |
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! endroits que les aires aireij1_2d, ..., aireij4_2d. |
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|
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! Choix entre une fonction "f(y)" à dérivée sinusoïdale ou à dérivée |
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! tangente hyperbolique |
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! calcul des coefficients (cu_2d, cv_2d, 1./cu_2d**2, 1./cv_2d**2) |
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|
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! les coef. ( cu_2d, cv_2d ) permettent de passer des vitesses naturelles |
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! aux vitesses covariantes et contravariantes , ou vice-versa ... |
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|
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! on a : u (covariant) = cu_2d * u (naturel) , u(contrav)= u(nat)/cu_2d |
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! v (covariant) = cv_2d * v (naturel) , v(contrav)= v(nat)/cv_2d |
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|
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! on en tire : u(covariant) = cu_2d * cu_2d * u(contravariant) |
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! v(covariant) = cv_2d * cv_2d * v(contravariant) |
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|
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! on a l'application ( x(X) , y(Y) ) avec - im/2 +1 < X < im/2 |
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! = = |
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! et - jm/2 < Y < jm/2 |
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! = = |
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|
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! . x est la longitude du point en radians . |
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! . y est la latitude du point en radians . |
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! . . |
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! . on a : cu_2d(i, j) = rad * COS(y) * dx/dX . |
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! . cv( j ) = rad * dy/dY . |
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! . aire_2d(i, j) = cu_2d(i, j) * cv(j) . |
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! . . |
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! . y, dx/dX, dy/dY calcules aux points concernes . |
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! , |
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! cv , bien que dependant de j uniquement, sera ici indice aussi en i |
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! pour un adressage plus facile en ij . |
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|
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! ************** aux points u et v , ***************** |
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! xprimu et xprimv sont respectivement les valeurs de dx/dX |
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! yprimu et yprimv . . . . . . . . . . . dy/dY |
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! rlatu et rlatv . . . . . . . . . . .la latitude |
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! cvu et cv_2d . . . . . . . . . . . cv_2d |
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|
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! ************** aux points u, v, scalaires, et z **************** |
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! cu_2d, cuv, cuscal, cuz sont respectiv. les valeurs de cu_2d |
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|
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! Exemple de distribution de variables sur la grille dans le |
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! domaine de travail ( X, Y ) . |
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! DX=DY= 1 |
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|
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! + represente un point scalaire ( p.exp la pression ) |
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! > represente la composante zonale du vent |
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! V represente la composante meridienne du vent |
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! o represente la vorticite |
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|
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! ---- , car aux poles , les comp.zonales covariantes sont nulles |
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|
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! i -> |
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|
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! 1 2 3 4 5 6 7 8 |
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! j |
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! v 1 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 2 + > + > + > + > + > + > + > + > |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 3 + > + > + > + > + > + > + > + > |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 4 + > + > + > + > + > + > + > + > |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 5 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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|
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! Ci-dessus, on voit que le nombre de pts.en longitude est egal |
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! a IM = 8 |
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! De meme , le nombre d'intervalles entre les 2 poles est egal |
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! a JM = 4 |
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|
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! Les points scalaires ( + ) correspondent donc a des valeurs |
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! entieres de i ( 1 a IM ) et de j ( 1 a JM +1 ) . |
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|
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! Les vents U ( > ) correspondent a des valeurs semi- |
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! entieres de i ( 1+ 0.5 a IM+ 0.5) et entieres de j ( 1 a JM+1) |
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|
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! Les vents V ( V ) correspondent a des valeurs entieres |
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! de i ( 1 a IM ) et semi-entieres de j ( 1 +0.5 a JM +0.5) |
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|
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USE dimens_m, ONLY : iim, jjm |
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USE paramet_m, ONLY : iip1, jjp1 |
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USE comconst, ONLY : g, omeg, pi, rad |
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USE comdissnew, ONLY : coefdis, nitergdiv, nitergrot, niterh |
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USE logic, ONLY : fxyhypb, ysinus |
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USE comgeom, ONLY : airesurg_2d, aireu_2d, airev_2d, aire_2d, & |
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alpha1p2_2d, alpha1p4_2d, alpha1_2d, & |
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alpha2p3_2d, alpha2_2d, alpha3p4_2d, alpha3_2d, alpha4_2d, apoln, & |
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apols, constang_2d, cuscvugam_2d, cusurcvu_2d, cuvscvgam1_2d, & |
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cuvscvgam2_2d, cuvsurcv_2d, cu_2d, cvscuvgam_2d, cvsurcuv_2d, & |
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cvuscugam1_2d, cvuscugam2_2d, cvusurcu_2d, cv_2d, fext_2d, rlatu, & |
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rlatv, rlonu, rlonv, unsairez_2d, unsaire_2d, unsairz_gam_2d, & |
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unsair_gam1_2d, unsair_gam2_2d, unsapolnga1, unsapolnga2, & |
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unsapolsga1, unsapolsga2, unscu2_2d, unscv2_2d, xprimu, xprimv |
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USE serre, ONLY : alphax, alphay, clat, clon, dzoomx, dzoomy, grossismx, & |
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grossismy, pxo, pyo, taux, tauy, transx, transy |
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|
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! Variables locales |
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|
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INTEGER i, j, itmax, itmay, iter |
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REAL cvu(iip1, jjp1), cuv(iip1, jjm) |
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REAL ai14, ai23, airez, rlatp, rlatm, xprm, xprp, un4rad2, yprp, yprm |
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REAL eps, x1, xo1, f, df, xdm, y1, yo1, ydm |
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REAL coslatm, coslatp, radclatm, radclatp |
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REAL cuij1(iip1, jjp1), cuij2(iip1, jjp1), cuij3(iip1, jjp1), & |
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cuij4(iip1, jjp1) |
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REAL cvij1(iip1, jjp1), cvij2(iip1, jjp1), cvij3(iip1, jjp1), & |
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cvij4(iip1, jjp1) |
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REAL rlonvv(iip1), rlatuu(jjp1) |
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REAL rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm), yprimv(jjm), & |
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yprimu(jjp1) |
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REAL gamdi_gdiv, gamdi_grot, gamdi_h |
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|
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REAL rlonm025(iip1), xprimm025(iip1), rlonp025(iip1), xprimp025(iip1) |
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SAVE rlatu1, yprimu1, rlatu2, yprimu2, yprimv, yprimu |
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SAVE rlonm025, xprimm025, rlonp025, xprimp025 |
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|
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real aireij1_2d(iim + 1, jjm + 1) |
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real aireij2_2d(iim + 1, jjm + 1) |
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real aireij3_2d(iim + 1, jjm + 1), aireij4_2d(iim + 1, jjm + 1) |
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real airuscv2_2d(iim + 1, jjm) |
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real airvscu2_2d(iim + 1, jjm), aiuscv2gam_2d(iim + 1, jjm) |
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real aivscu2gam_2d(iim + 1, jjm) |
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|
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!------------------------------------------------------------------ |
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|
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PRINT *, 'Call sequence information: inigeom' |
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|
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IF (nitergdiv/=2) THEN |
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gamdi_gdiv = coefdis/(real(nitergdiv)-2.) |
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ELSE |
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gamdi_gdiv = 0. |
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END IF |
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IF (nitergrot/=2) THEN |
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gamdi_grot = coefdis/(real(nitergrot)-2.) |
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ELSE |
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gamdi_grot = 0. |
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END IF |
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IF (niterh/=2) THEN |
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gamdi_h = coefdis/(real(niterh)-2.) |
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ELSE |
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gamdi_h = 0. |
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END IF |
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|
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print *, 'gamdi_gdiv = ', gamdi_gdiv |
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print *, "gamdi_grot = ", gamdi_grot |
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print *, "gamdi_h = ", gamdi_h |
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|
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WRITE (6, 990) |
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|
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IF ( .NOT. fxyhypb) THEN |
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IF (ysinus) THEN |
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print *, ' *** Inigeom , Y = Sinus ( Latitude ) *** ' |
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|
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! utilisation de f(x, y ) avec y = sinus de la latitude ... |
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|
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CALL fxysinus(rlatu, yprimu, rlatv, yprimv, rlatu1, yprimu1, & |
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rlatu2, yprimu2, rlonu, xprimu, rlonv, xprimv, rlonm025, & |
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xprimm025, rlonp025, xprimp025) |
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ELSE |
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print *, '*** Inigeom , Y = Latitude , der. sinusoid . ***' |
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! utilisation de f(x, y) a tangente sinusoidale , y etant la latit |
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|
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pxo = clon*pi/180. |
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pyo = 2.*clat*pi/180. |
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|
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! determination de transx ( pour le zoom ) par Newton-Raphson . |
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|
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itmax = 10 |
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eps = .1E-7 |
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|
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xo1 = 0. |
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DO iter = 1, itmax |
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x1 = xo1 |
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f = x1 + alphax*sin(x1-pxo) |
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df = 1. + alphax*cos(x1-pxo) |
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x1 = x1 - f/df |
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xdm = abs(x1-xo1) |
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IF (xdm<=eps) EXIT |
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xo1 = x1 |
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END DO |
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|
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transx = xo1 |
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|
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itmay = 10 |
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eps = .1E-7 |
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|
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yo1 = 0. |
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DO iter = 1, itmay |
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y1 = yo1 |
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f = y1 + alphay*sin(y1-pyo) |
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df = 1. + alphay*cos(y1-pyo) |
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y1 = y1 - f/df |
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ydm = abs(y1-yo1) |
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IF (ydm<=eps) EXIT |
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yo1 = y1 |
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END DO |
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|
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transy = yo1 |
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|
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CALL fxy(rlatu, yprimu, rlatv, yprimv, rlatu1, yprimu1, rlatu2, & |
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yprimu2, rlonu, xprimu, rlonv, xprimv, rlonm025, xprimm025, & |
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rlonp025, xprimp025) |
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END IF |
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ELSE |
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! .... Utilisation de fxyhyper , f(x, y) a derivee tangente hyperbol. |
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print *, '*** Inigeom , Y = Latitude , der.tg. hyperbolique ***' |
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CALL fxyhyper(clat, grossismy, dzoomy, tauy, clon, grossismx, dzoomx, & |
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taux, rlatu, yprimu, rlatv, yprimv, rlatu1, yprimu1, rlatu2, & |
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yprimu2, rlonu, xprimu, rlonv, xprimv, rlonm025, xprimm025, & |
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rlonp025, xprimp025) |
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END IF |
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|
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rlatu(1) = asin(1.) |
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rlatu(jjp1) = -rlatu(1) |
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|
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! .... calcul aux poles .... |
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|
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yprimu(1) = 0. |
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yprimu(jjp1) = 0. |
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|
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un4rad2 = 0.25*rad*rad |
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|
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! calcul des aires ( aire_2d, aireu_2d, airev_2d, 1./aire_2d, 1./airez ) |
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! - et de fext_2d , force de coriolis extensive . |
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|
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! A 1 point scalaire P (i, j) de la grille, reguliere en (X, Y) , sont |
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! affectees 4 aires entourant P , calculees respectivement aux points |
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! ( i + 1/4, j - 1/4 ) : aireij1_2d (i, j) |
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! ( i + 1/4, j + 1/4 ) : aireij2_2d (i, j) |
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! ( i - 1/4, j + 1/4 ) : aireij3_2d (i, j) |
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! ( i - 1/4, j - 1/4 ) : aireij4_2d (i, j) |
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|
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! , |
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! Les cotes de chacun de ces 4 carres etant egaux a 1/2 suivant (X, Y). |
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! Chaque aire centree en 1 point scalaire P(i, j) est egale a la somme |
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! des 4 aires aireij1_2d, aireij2_2d, aireij3_2d, aireij4_2d qui sont |
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! affectees au |
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! point (i, j) . |
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! On definit en outre les coefficients alpha comme etant egaux a |
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! (aireij / aire_2d), c.a.d par exp. |
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! alpha1_2d(i, j)=aireij1_2d(i, j)/aire_2d(i, j) |
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|
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! De meme, toute aire centree en 1 point U est egale a la somme des |
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! 4 aires aireij1_2d, aireij2_2d, aireij3_2d, aireij4_2d entourant |
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! le point U. |
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! Idem pour airev_2d, airez . |
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|
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! On a , pour chaque maille : dX = dY = 1 |
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|
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! . V |
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|
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! aireij4_2d . . aireij1_2d |
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|
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! U . . P . U |
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|
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! aireij3_2d . . aireij2_2d |
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|
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! . V |
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|
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! Calcul des 4 aires elementaires aireij1_2d, aireij2_2d, |
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! aireij3_2d, aireij4_2d |
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! qui entourent chaque aire_2d(i, j) , ainsi que les 4 elongations |
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! elementaires |
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! cuij et les 4 elongat. cvij qui sont calculees aux memes |
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! endroits que les aireij . |
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|
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! ....... do 35 : boucle sur les jjm + 1 latitudes ..... |
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|
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DO j = 1, jjp1 |
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|
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IF (j==1) THEN |
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|
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yprm = yprimu1(j) |
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rlatm = rlatu1(j) |
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|
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coslatm = cos(rlatm) |
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radclatm = 0.5*rad*coslatm |
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|
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DO i = 1, iim |
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xprp = xprimp025(i) |
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xprm = xprimm025(i) |
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aireij2_2d(i, 1) = un4rad2*coslatm*xprp*yprm |
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aireij3_2d(i, 1) = un4rad2*coslatm*xprm*yprm |
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cuij2(i, 1) = radclatm*xprp |
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cuij3(i, 1) = radclatm*xprm |
| 307 |
cvij2(i, 1) = 0.5*rad*yprm |
| 308 |
cvij3(i, 1) = cvij2(i, 1) |
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END DO |
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|
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DO i = 1, iim |
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aireij1_2d(i, 1) = 0. |
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aireij4_2d(i, 1) = 0. |
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cuij1(i, 1) = 0. |
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cuij4(i, 1) = 0. |
| 316 |
cvij1(i, 1) = 0. |
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cvij4(i, 1) = 0. |
| 318 |
END DO |
| 319 |
|
| 320 |
END IF |
| 321 |
|
| 322 |
IF (j==jjp1) THEN |
| 323 |
yprp = yprimu2(j-1) |
| 324 |
rlatp = rlatu2(j-1) |
| 325 |
|
| 326 |
coslatp = cos(rlatp) |
| 327 |
radclatp = 0.5*rad*coslatp |
| 328 |
|
| 329 |
DO i = 1, iim |
| 330 |
xprp = xprimp025(i) |
| 331 |
xprm = xprimm025(i) |
| 332 |
aireij1_2d(i, jjp1) = un4rad2*coslatp*xprp*yprp |
| 333 |
aireij4_2d(i, jjp1) = un4rad2*coslatp*xprm*yprp |
| 334 |
cuij1(i, jjp1) = radclatp*xprp |
| 335 |
cuij4(i, jjp1) = radclatp*xprm |
| 336 |
cvij1(i, jjp1) = 0.5*rad*yprp |
| 337 |
cvij4(i, jjp1) = cvij1(i, jjp1) |
| 338 |
END DO |
| 339 |
|
| 340 |
DO i = 1, iim |
| 341 |
aireij2_2d(i, jjp1) = 0. |
| 342 |
aireij3_2d(i, jjp1) = 0. |
| 343 |
cvij2(i, jjp1) = 0. |
| 344 |
cvij3(i, jjp1) = 0. |
| 345 |
cuij2(i, jjp1) = 0. |
| 346 |
cuij3(i, jjp1) = 0. |
| 347 |
END DO |
| 348 |
|
| 349 |
END IF |
| 350 |
|
| 351 |
IF (j>1 .AND. j<jjp1) THEN |
| 352 |
|
| 353 |
rlatp = rlatu2(j-1) |
| 354 |
yprp = yprimu2(j-1) |
| 355 |
rlatm = rlatu1(j) |
| 356 |
yprm = yprimu1(j) |
| 357 |
|
| 358 |
coslatm = cos(rlatm) |
| 359 |
coslatp = cos(rlatp) |
| 360 |
radclatp = 0.5*rad*coslatp |
| 361 |
radclatm = 0.5*rad*coslatm |
| 362 |
|
| 363 |
DO i = 1, iim |
| 364 |
xprp = xprimp025(i) |
| 365 |
xprm = xprimm025(i) |
| 366 |
|
| 367 |
ai14 = un4rad2*coslatp*yprp |
| 368 |
ai23 = un4rad2*coslatm*yprm |
| 369 |
aireij1_2d(i, j) = ai14*xprp |
| 370 |
aireij2_2d(i, j) = ai23*xprp |
| 371 |
aireij3_2d(i, j) = ai23*xprm |
| 372 |
aireij4_2d(i, j) = ai14*xprm |
| 373 |
cuij1(i, j) = radclatp*xprp |
| 374 |
cuij2(i, j) = radclatm*xprp |
| 375 |
cuij3(i, j) = radclatm*xprm |
| 376 |
cuij4(i, j) = radclatp*xprm |
| 377 |
cvij1(i, j) = 0.5*rad*yprp |
| 378 |
cvij2(i, j) = 0.5*rad*yprm |
| 379 |
cvij3(i, j) = cvij2(i, j) |
| 380 |
cvij4(i, j) = cvij1(i, j) |
| 381 |
END DO |
| 382 |
|
| 383 |
END IF |
| 384 |
|
| 385 |
! ........ periodicite ............ |
| 386 |
|
| 387 |
cvij1(iip1, j) = cvij1(1, j) |
| 388 |
cvij2(iip1, j) = cvij2(1, j) |
| 389 |
cvij3(iip1, j) = cvij3(1, j) |
| 390 |
cvij4(iip1, j) = cvij4(1, j) |
| 391 |
cuij1(iip1, j) = cuij1(1, j) |
| 392 |
cuij2(iip1, j) = cuij2(1, j) |
| 393 |
cuij3(iip1, j) = cuij3(1, j) |
| 394 |
cuij4(iip1, j) = cuij4(1, j) |
| 395 |
aireij1_2d(iip1, j) = aireij1_2d(1, j) |
| 396 |
aireij2_2d(iip1, j) = aireij2_2d(1, j) |
| 397 |
aireij3_2d(iip1, j) = aireij3_2d(1, j) |
| 398 |
aireij4_2d(iip1, j) = aireij4_2d(1, j) |
| 399 |
|
| 400 |
END DO |
| 401 |
|
| 402 |
DO j = 1, jjp1 |
| 403 |
DO i = 1, iim |
| 404 |
aire_2d(i, j) = aireij1_2d(i, j) + aireij2_2d(i, j) & |
| 405 |
+ aireij3_2d(i, j) + aireij4_2d(i, j) |
| 406 |
alpha1_2d(i, j) = aireij1_2d(i, j)/aire_2d(i, j) |
| 407 |
alpha2_2d(i, j) = aireij2_2d(i, j)/aire_2d(i, j) |
| 408 |
alpha3_2d(i, j) = aireij3_2d(i, j)/aire_2d(i, j) |
| 409 |
alpha4_2d(i, j) = aireij4_2d(i, j)/aire_2d(i, j) |
| 410 |
alpha1p2_2d(i, j) = alpha1_2d(i, j) + alpha2_2d(i, j) |
| 411 |
alpha1p4_2d(i, j) = alpha1_2d(i, j) + alpha4_2d(i, j) |
| 412 |
alpha2p3_2d(i, j) = alpha2_2d(i, j) + alpha3_2d(i, j) |
| 413 |
alpha3p4_2d(i, j) = alpha3_2d(i, j) + alpha4_2d(i, j) |
| 414 |
END DO |
| 415 |
|
| 416 |
aire_2d(iip1, j) = aire_2d(1, j) |
| 417 |
alpha1_2d(iip1, j) = alpha1_2d(1, j) |
| 418 |
alpha2_2d(iip1, j) = alpha2_2d(1, j) |
| 419 |
alpha3_2d(iip1, j) = alpha3_2d(1, j) |
| 420 |
alpha4_2d(iip1, j) = alpha4_2d(1, j) |
| 421 |
alpha1p2_2d(iip1, j) = alpha1p2_2d(1, j) |
| 422 |
alpha1p4_2d(iip1, j) = alpha1p4_2d(1, j) |
| 423 |
alpha2p3_2d(iip1, j) = alpha2p3_2d(1, j) |
| 424 |
alpha3p4_2d(iip1, j) = alpha3p4_2d(1, j) |
| 425 |
END DO |
| 426 |
|
| 427 |
DO j = 1, jjp1 |
| 428 |
DO i = 1, iim |
| 429 |
aireu_2d(i, j) = aireij1_2d(i, j) + aireij2_2d(i, j) + & |
| 430 |
aireij4_2d(i+1, j) + aireij3_2d(i+1, j) |
| 431 |
unsaire_2d(i, j) = 1./aire_2d(i, j) |
| 432 |
unsair_gam1_2d(i, j) = unsaire_2d(i, j)**(-gamdi_gdiv) |
| 433 |
unsair_gam2_2d(i, j) = unsaire_2d(i, j)**(-gamdi_h) |
| 434 |
airesurg_2d(i, j) = aire_2d(i, j)/g |
| 435 |
END DO |
| 436 |
aireu_2d(iip1, j) = aireu_2d(1, j) |
| 437 |
unsaire_2d(iip1, j) = unsaire_2d(1, j) |
| 438 |
unsair_gam1_2d(iip1, j) = unsair_gam1_2d(1, j) |
| 439 |
unsair_gam2_2d(iip1, j) = unsair_gam2_2d(1, j) |
| 440 |
airesurg_2d(iip1, j) = airesurg_2d(1, j) |
| 441 |
END DO |
| 442 |
|
| 443 |
DO j = 1, jjm |
| 444 |
|
| 445 |
DO i = 1, iim |
| 446 |
airev_2d(i, j) = aireij2_2d(i, j) + aireij3_2d(i, j) + & |
| 447 |
aireij1_2d(i, j+1) + aireij4_2d(i, j+1) |
| 448 |
END DO |
| 449 |
DO i = 1, iim |
| 450 |
airez = aireij2_2d(i, j) + aireij1_2d(i, j+1) + aireij3_2d(i+1, j) & |
| 451 |
+ aireij4_2d(i+1, j+1) |
| 452 |
unsairez_2d(i, j) = 1./airez |
| 453 |
unsairz_gam_2d(i, j) = unsairez_2d(i, j)**(-gamdi_grot) |
| 454 |
fext_2d(i, j) = airez*sin(rlatv(j))*2.*omeg |
| 455 |
END DO |
| 456 |
airev_2d(iip1, j) = airev_2d(1, j) |
| 457 |
unsairez_2d(iip1, j) = unsairez_2d(1, j) |
| 458 |
fext_2d(iip1, j) = fext_2d(1, j) |
| 459 |
unsairz_gam_2d(iip1, j) = unsairz_gam_2d(1, j) |
| 460 |
|
| 461 |
END DO |
| 462 |
|
| 463 |
! ..... Calcul des elongations cu_2d, cv_2d, cvu ......... |
| 464 |
|
| 465 |
DO j = 1, jjm |
| 466 |
DO i = 1, iim |
| 467 |
cv_2d(i, j) = 0.5 * & |
| 468 |
(cvij2(i, j) + cvij3(i, j) + cvij1(i, j+1) + cvij4(i, j+1)) |
| 469 |
cvu(i, j) = 0.5*(cvij1(i, j)+cvij4(i, j)+cvij2(i, j)+cvij3(i, j)) |
| 470 |
cuv(i, j) = 0.5*(cuij2(i, j)+cuij3(i, j)+cuij1(i, j+1)+cuij4(i, j+1)) |
| 471 |
unscv2_2d(i, j) = 1./(cv_2d(i, j)*cv_2d(i, j)) |
| 472 |
END DO |
| 473 |
DO i = 1, iim |
| 474 |
cuvsurcv_2d(i, j) = airev_2d(i, j)*unscv2_2d(i, j) |
| 475 |
cvsurcuv_2d(i, j) = 1./cuvsurcv_2d(i, j) |
| 476 |
cuvscvgam1_2d(i, j) = cuvsurcv_2d(i, j)**(-gamdi_gdiv) |
| 477 |
cuvscvgam2_2d(i, j) = cuvsurcv_2d(i, j)**(-gamdi_h) |
| 478 |
cvscuvgam_2d(i, j) = cvsurcuv_2d(i, j)**(-gamdi_grot) |
| 479 |
END DO |
| 480 |
cv_2d(iip1, j) = cv_2d(1, j) |
| 481 |
cvu(iip1, j) = cvu(1, j) |
| 482 |
unscv2_2d(iip1, j) = unscv2_2d(1, j) |
| 483 |
cuv(iip1, j) = cuv(1, j) |
| 484 |
cuvsurcv_2d(iip1, j) = cuvsurcv_2d(1, j) |
| 485 |
cvsurcuv_2d(iip1, j) = cvsurcuv_2d(1, j) |
| 486 |
cuvscvgam1_2d(iip1, j) = cuvscvgam1_2d(1, j) |
| 487 |
cuvscvgam2_2d(iip1, j) = cuvscvgam2_2d(1, j) |
| 488 |
cvscuvgam_2d(iip1, j) = cvscuvgam_2d(1, j) |
| 489 |
END DO |
| 490 |
|
| 491 |
DO j = 2, jjm |
| 492 |
DO i = 1, iim |
| 493 |
cu_2d(i, j) = 0.5 * (cuij1(i, j) + cuij4(i+1, j) + cuij2(i, j) & |
| 494 |
+ cuij3(i+1, j)) |
| 495 |
unscu2_2d(i, j) = 1./(cu_2d(i, j)*cu_2d(i, j)) |
| 496 |
cvusurcu_2d(i, j) = aireu_2d(i, j)*unscu2_2d(i, j) |
| 497 |
cusurcvu_2d(i, j) = 1./cvusurcu_2d(i, j) |
| 498 |
cvuscugam1_2d(i, j) = cvusurcu_2d(i, j)**(-gamdi_gdiv) |
| 499 |
cvuscugam2_2d(i, j) = cvusurcu_2d(i, j)**(-gamdi_h) |
| 500 |
cuscvugam_2d(i, j) = cusurcvu_2d(i, j)**(-gamdi_grot) |
| 501 |
END DO |
| 502 |
cu_2d(iip1, j) = cu_2d(1, j) |
| 503 |
unscu2_2d(iip1, j) = unscu2_2d(1, j) |
| 504 |
cvusurcu_2d(iip1, j) = cvusurcu_2d(1, j) |
| 505 |
cusurcvu_2d(iip1, j) = cusurcvu_2d(1, j) |
| 506 |
cvuscugam1_2d(iip1, j) = cvuscugam1_2d(1, j) |
| 507 |
cvuscugam2_2d(iip1, j) = cvuscugam2_2d(1, j) |
| 508 |
cuscvugam_2d(iip1, j) = cuscvugam_2d(1, j) |
| 509 |
END DO |
| 510 |
|
| 511 |
! .... calcul aux poles .... |
| 512 |
|
| 513 |
DO i = 1, iip1 |
| 514 |
cu_2d(i, 1) = 0. |
| 515 |
unscu2_2d(i, 1) = 0. |
| 516 |
cvu(i, 1) = 0. |
| 517 |
|
| 518 |
cu_2d(i, jjp1) = 0. |
| 519 |
unscu2_2d(i, jjp1) = 0. |
| 520 |
cvu(i, jjp1) = 0. |
| 521 |
END DO |
| 522 |
|
| 523 |
DO j = 1, jjm |
| 524 |
DO i = 1, iim |
| 525 |
airvscu2_2d(i, j) = airev_2d(i, j)/(cuv(i, j)*cuv(i, j)) |
| 526 |
aivscu2gam_2d(i, j) = airvscu2_2d(i, j)**(-gamdi_grot) |
| 527 |
END DO |
| 528 |
airvscu2_2d(iip1, j) = airvscu2_2d(1, j) |
| 529 |
aivscu2gam_2d(iip1, j) = aivscu2gam_2d(1, j) |
| 530 |
END DO |
| 531 |
|
| 532 |
DO j = 2, jjm |
| 533 |
DO i = 1, iim |
| 534 |
airuscv2_2d(i, j) = aireu_2d(i, j)/(cvu(i, j)*cvu(i, j)) |
| 535 |
aiuscv2gam_2d(i, j) = airuscv2_2d(i, j)**(-gamdi_grot) |
| 536 |
END DO |
| 537 |
airuscv2_2d(iip1, j) = airuscv2_2d(1, j) |
| 538 |
aiuscv2gam_2d(iip1, j) = aiuscv2gam_2d(1, j) |
| 539 |
END DO |
| 540 |
|
| 541 |
! calcul des aires aux poles : |
| 542 |
|
| 543 |
apoln = sum(aire_2d(:iim, 1)) |
| 544 |
apols = sum(aire_2d(:iim, jjp1)) |
| 545 |
unsapolnga1 = 1./(apoln**(-gamdi_gdiv)) |
| 546 |
unsapolsga1 = 1./(apols**(-gamdi_gdiv)) |
| 547 |
unsapolnga2 = 1./(apoln**(-gamdi_h)) |
| 548 |
unsapolsga2 = 1./(apols**(-gamdi_h)) |
| 549 |
|
| 550 |
! changement F. Hourdin calcul conservatif pour fext_2d |
| 551 |
! constang_2d contient le produit a * cos ( latitude ) * omega |
| 552 |
|
| 553 |
DO i = 1, iim |
| 554 |
constang_2d(i, 1) = 0. |
| 555 |
END DO |
| 556 |
DO j = 1, jjm - 1 |
| 557 |
DO i = 1, iim |
| 558 |
constang_2d(i, j+1) = rad*omeg*cu_2d(i, j+1)*cos(rlatu(j+1)) |
| 559 |
END DO |
| 560 |
END DO |
| 561 |
DO i = 1, iim |
| 562 |
constang_2d(i, jjp1) = 0. |
| 563 |
END DO |
| 564 |
|
| 565 |
! periodicite en longitude |
| 566 |
|
| 567 |
DO j = 1, jjm |
| 568 |
fext_2d(iip1, j) = fext_2d(1, j) |
| 569 |
END DO |
| 570 |
DO j = 1, jjp1 |
| 571 |
constang_2d(iip1, j) = constang_2d(1, j) |
| 572 |
END DO |
| 573 |
|
| 574 |
! fin du changement |
| 575 |
|
| 576 |
print *, ' *** Coordonnees de la grille *** ' |
| 577 |
WRITE (6, 995) |
| 578 |
|
| 579 |
print *, ' LONGITUDES aux pts. V ( degres ) ' |
| 580 |
WRITE (6, 995) |
| 581 |
DO i = 1, iip1 |
| 582 |
rlonvv(i) = rlonv(i)*180./pi |
| 583 |
END DO |
| 584 |
WRITE (6, 400) rlonvv |
| 585 |
|
| 586 |
WRITE (6, 995) |
| 587 |
print *, ' LATITUDES aux pts. V ( degres ) ' |
| 588 |
WRITE (6, 995) |
| 589 |
DO i = 1, jjm |
| 590 |
rlatuu(i) = rlatv(i)*180./pi |
| 591 |
END DO |
| 592 |
WRITE (6, 400) (rlatuu(i), i=1, jjm) |
| 593 |
|
| 594 |
DO i = 1, iip1 |
| 595 |
rlonvv(i) = rlonu(i)*180./pi |
| 596 |
END DO |
| 597 |
WRITE (6, 995) |
| 598 |
print *, ' LONGITUDES aux pts. U ( degres ) ' |
| 599 |
WRITE (6, 995) |
| 600 |
WRITE (6, 400) rlonvv |
| 601 |
WRITE (6, 995) |
| 602 |
|
| 603 |
print *, ' LATITUDES aux pts. U ( degres ) ' |
| 604 |
WRITE (6, 995) |
| 605 |
DO i = 1, jjp1 |
| 606 |
rlatuu(i) = rlatu(i)*180./pi |
| 607 |
END DO |
| 608 |
WRITE (6, 400) (rlatuu(i), i=1, jjp1) |
| 609 |
WRITE (6, 995) |
| 610 |
|
| 611 |
400 FORMAT (1X, 8F8.2) |
| 612 |
990 FORMAT (//) |
| 613 |
995 FORMAT (/) |
| 614 |
|
| 615 |
END SUBROUTINE inigeom |
| 616 |
|
| 617 |
end module inigeom_m |
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