| 1 |
guez |
57 |
module divergf_m |
| 2 |
guez |
3 |
|
| 3 |
guez |
57 |
IMPLICIT NONE |
| 4 |
guez |
3 |
|
| 5 |
guez |
57 |
contains |
| 6 |
|
|
|
| 7 |
|
|
SUBROUTINE divergf(klevel, x, y, div) |
| 8 |
|
|
|
| 9 |
guez |
61 |
! From libf/dyn3d/divergf.F, version 1.1.1.1 2004/05/19 12:53:05 |
| 10 |
guez |
57 |
|
| 11 |
|
|
! P. Le Van |
| 12 |
|
|
! Calcule la divergence à tous les niveaux d'un vecteur de |
| 13 |
|
|
! composantes x et y. x et y sont des composantes covariantes. |
| 14 |
|
|
|
| 15 |
|
|
USE dimens_m, ONLY: iim |
| 16 |
|
|
USE paramet_m, ONLY: iip1, iip2, ip1jm, ip1jmi1, ip1jmp1, jjp1 |
| 17 |
|
|
USE comgeom, ONLY: apoln, apols, cuvsurcv, cvusurcu, unsaire |
| 18 |
|
|
USE filtreg_m, ONLY: filtreg |
| 19 |
|
|
|
| 20 |
|
|
INTEGER, intent(in):: klevel |
| 21 |
|
|
REAL, intent(in):: x(ip1jmp1, klevel), y(ip1jm, klevel) |
| 22 |
guez |
60 |
real, intent(out):: div(ip1jmp1, klevel) ! in (unit of x, y) m-2 |
| 23 |
guez |
57 |
|
| 24 |
guez |
60 |
! Variables locales : |
| 25 |
guez |
57 |
|
| 26 |
|
|
INTEGER l, ij |
| 27 |
guez |
60 |
REAL aiy1(iim) , aiy2(iim) |
| 28 |
guez |
57 |
REAL sumypn, sumyps |
| 29 |
|
|
|
| 30 |
|
|
!------------------------------------------------------------ |
| 31 |
|
|
|
| 32 |
|
|
DO l = 1, klevel |
| 33 |
|
|
DO ij = iip2, ip1jm - 1 |
| 34 |
|
|
div(ij + 1, l) = cvusurcu(ij+1) * x(ij+1, l) & |
| 35 |
|
|
- cvusurcu(ij) * x(ij , l) + cuvsurcv(ij-iim) * y(ij-iim, l) & |
| 36 |
|
|
- cuvsurcv(ij+1) * y(ij+1, l) |
| 37 |
|
|
ENDDO |
| 38 |
|
|
|
| 39 |
|
|
DO ij = iip2, ip1jm, iip1 |
| 40 |
|
|
div(ij, l) = div(ij + iim, l) |
| 41 |
|
|
ENDDO |
| 42 |
|
|
|
| 43 |
|
|
! Calcul aux pôles |
| 44 |
|
|
|
| 45 |
|
|
DO ij = 1, iim |
| 46 |
|
|
aiy1(ij) = cuvsurcv(ij) * y(ij , l) |
| 47 |
|
|
aiy2(ij) = cuvsurcv(ij+ ip1jmi1) * y(ij+ ip1jmi1, l) |
| 48 |
|
|
ENDDO |
| 49 |
guez |
60 |
sumypn = SUM(aiy1) / apoln |
| 50 |
|
|
sumyps = SUM(aiy2) / apols |
| 51 |
guez |
57 |
|
| 52 |
|
|
DO ij = 1, iip1 |
| 53 |
|
|
div(ij , l) = - sumypn |
| 54 |
|
|
div(ij + ip1jm, l) = sumyps |
| 55 |
|
|
ENDDO |
| 56 |
|
|
end DO |
| 57 |
|
|
|
| 58 |
|
|
CALL filtreg(div, jjp1, klevel, 2, 2, .TRUE., 1) |
| 59 |
|
|
|
| 60 |
|
|
DO l = 1, klevel |
| 61 |
|
|
DO ij = iip2, ip1jm |
| 62 |
|
|
div(ij, l) = div(ij, l) * unsaire(ij) |
| 63 |
|
|
ENDDO |
| 64 |
|
|
ENDDO |
| 65 |
|
|
|
| 66 |
|
|
END SUBROUTINE divergf |
| 67 |
|
|
|
| 68 |
|
|
end module divergf_m |
Parent Directory
| 
Revision Log