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module advect_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE advect(ucov, vcov, teta, w, massebx, masseby, du, dv, dteta) |
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! From dyn3d/advect.F, version 1.1.1.1, 2004/05/19 12:53:06 |
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! Authors: P. Le Van , F. Hourdin |
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! Objet : calcul des termes d'advection verticale pour u, v, teta. |
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! Ces termes sont ajoutés à du, dv, dteta. |
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USE dimens_m, ONLY : iim, llm |
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USE paramet_m, ONLY : iip1, iip2, ip1jm, ip1jmp1 |
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REAL, intent(in):: ucov(ip1jmp1, llm), vcov(ip1jm, llm) |
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real, intent(in):: teta(ip1jmp1, llm) |
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real, INTENT (IN):: w(ip1jmp1, llm) |
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REAL, intent(in):: massebx(ip1jmp1, llm), masseby(ip1jm, llm) |
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REAL, intent(inout):: du(ip1jmp1, llm), dv(ip1jm, llm), dteta(ip1jmp1, llm) |
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! Local: |
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REAL uav(ip1jmp1, llm), vav(ip1jm, llm), wsur2(ip1jmp1) |
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REAL ww, uu, vv |
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INTEGER ij, l |
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!----------------------------------------------------------------------- |
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! 2. Calculs preliminaires : |
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! Calcul de \bar{u}^{yy} |
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DO l = 1, llm |
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DO ij = iip2, ip1jmp1 |
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uav(ij, l) = 0.25*(ucov(ij, l)+ucov(ij-iip1, l)) |
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END DO |
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DO ij = iip2, ip1jm |
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uav(ij, l) = uav(ij, l) + uav(ij+iip1, l) |
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END DO |
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DO ij = 1, iip1 |
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uav(ij, l) = 0. |
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uav(ip1jm+ij, l) = 0. |
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END DO |
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END DO |
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|
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! Calcul de \bar{v}^{xx} |
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DO l = 1, llm |
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DO ij = 2, ip1jm |
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vav(ij, l) = 0.25*(vcov(ij, l)+vcov(ij-1, l)) |
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END DO |
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DO ij = 1, ip1jm, iip1 |
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vav(ij, l) = vav(ij+iim, l) |
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END DO |
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DO ij = 1, ip1jm - 1 |
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vav(ij, l) = vav(ij, l) + vav(ij+1, l) |
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END DO |
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DO ij = 1, ip1jm, iip1 |
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vav(ij+iim, l) = vav(ij, l) |
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END DO |
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END DO |
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|
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DO l = 1, llm - 1 |
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! calcul de - w/2 au niveau l+1 |
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DO ij = 1, ip1jmp1 |
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wsur2(ij) = -0.5 * w(ij, l+1) |
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END DO |
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! calcul pour "du" |
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DO ij = iip2, ip1jm - 1 |
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ww = wsur2(ij) + wsur2(ij+1) |
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uu = 0.5*(ucov(ij, l)+ucov(ij, l+1)) |
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du(ij, l) = du(ij, l) - ww*(uu-uav(ij, l))/massebx(ij, l) |
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du(ij, l+1) = du(ij, l+1) + ww*(uu-uav(ij, l+1))/massebx(ij, l+1) |
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END DO |
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! correction pour du(iip1, j, l) |
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! du(iip1, j, l)= du(1, j, l) |
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DO ij = iip1 + iip1, ip1jm, iip1 |
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du(ij, l) = du(ij-iim, l) |
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du(ij, l+1) = du(ij-iim, l+1) |
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END DO |
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|
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! calcul pour dv |
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DO ij = 1, ip1jm |
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ww = wsur2(ij+iip1) + wsur2(ij) |
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vv = 0.5*(vcov(ij, l)+vcov(ij, l+1)) |
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dv(ij, l) = dv(ij, l) - ww*(vv-vav(ij, l))/masseby(ij, l) |
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dv(ij, l+1) = dv(ij, l+1) + ww*(vv-vav(ij, l+1))/masseby(ij, l+1) |
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END DO |
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! calcul pour dh |
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! calcul de - d(\bar{teta}^z * w) qu'on ajoute à dh |
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DO ij = 1, ip1jmp1 |
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ww = wsur2(ij) * (teta(ij, l) + teta(ij, l + 1)) |
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dteta(ij, l) = dteta(ij, l) - ww |
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dteta(ij, l + 1) = dteta(ij, l + 1) + ww |
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end DO |
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END DO |
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END SUBROUTINE advect |
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end module advect_m |
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