| 1 |
! |
module gradiv2_m |
| 2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/gradiv2.F,v 1.1.1.1 2004/05/19 12:53:07 lmdzadmin Exp $ |
|
| 3 |
! |
IMPLICIT NONE |
| 4 |
SUBROUTINE gradiv2(klevel, xcov, ycov, ld, gdx, gdy ) |
|
| 5 |
c |
contains |
| 6 |
c P. Le Van |
|
| 7 |
c |
SUBROUTINE gradiv2(xcov, ycov, ld, gdx, gdy, cdivu) |
| 8 |
c ********************************************************** |
|
| 9 |
c ld |
! From LMDZ4/libf/dyn3d/gradiv2.F, version 1.1.1.1 2004/05/19 12:53:07 |
| 10 |
c calcul de (grad (div) ) du vect. v .... |
! P. Le Van |
| 11 |
c |
! Calcul du gradient de la divergence du vecteur v. |
| 12 |
c xcov et ycov etant les composant.covariantes de v |
|
| 13 |
c ********************************************************** |
USE comgeom, ONLY: cuvscvgam1, cvuscugam1, unsair_gam1, unsapolnga1, & |
| 14 |
c xcont , ycont et ld sont des arguments d'entree pour le s-prog |
unsapolsga1 |
| 15 |
c gdx et gdy sont des arguments de sortie pour le s-prog |
USE dimensions, ONLY: iim, jjm |
| 16 |
c |
use divergf_m, only: divergf |
| 17 |
c |
USE filtreg_scal_m, ONLY: filtreg_scal |
| 18 |
use dimens_m |
use grad_m, only: grad |
| 19 |
use paramet_m |
use laplacien_gam_m, only: laplacien_gam |
| 20 |
use comgeom |
use laplacien_m, only: laplacien |
| 21 |
IMPLICIT NONE |
use nr_util, only: assert_eq, assert |
| 22 |
c |
|
| 23 |
include "comdissipn.h" |
! Composantes covariantes de v : |
| 24 |
c |
REAL, intent(in):: xcov(:, :, :) ! (iim + 1, jjm + 1, klevel) |
| 25 |
c ........ variables en arguments ........ |
REAL, intent(in):: ycov(:, :, :) ! (iim + 1, jjm, klevel) |
| 26 |
|
|
| 27 |
INTEGER klevel |
integer, intent(in):: ld |
| 28 |
REAL xcov( ip1jmp1,klevel ), ycov( ip1jm,klevel ) |
REAL, intent(out):: gdx(:, :, :) ! (iim + 1, jjm + 1, klevel) |
| 29 |
REAL gdx( ip1jmp1,klevel ), gdy( ip1jm,klevel ) |
REAL, intent(out):: gdy(:, :, :) ! (iim + 1, jjm, klevel) |
| 30 |
c |
real, intent(in):: cdivu |
| 31 |
c ........ variables locales ......... |
|
| 32 |
c |
! Variables locales : |
| 33 |
REAL div(ip1jmp1,llm) |
REAL nugrads, div(iim + 1, jjm + 1, size(xcov, 3)) |
| 34 |
REAL signe, nugrads |
INTEGER iter, klevel |
| 35 |
INTEGER l,ij,iter,ld |
|
| 36 |
|
!-------------------------------------------------------------- |
| 37 |
c ........................................................ |
|
| 38 |
c |
call assert((/size(xcov, 1), size(ycov, 1), size(gdx, 1), size(gdy, 1)/) & |
| 39 |
c |
== iim + 1, "gradiv2 iim") |
| 40 |
CALL SCOPY( ip1jmp1 * klevel, xcov, 1, gdx, 1 ) |
call assert((/size(xcov, 2) - 1, size(ycov, 2), size(gdx, 2) - 1, & |
| 41 |
CALL SCOPY( ip1jm * klevel, ycov, 1, gdy, 1 ) |
size(gdy, 2)/) == jjm, "gradiv2 iim") |
| 42 |
c |
klevel = assert_eq(size(xcov, 3), size(ycov, 3), size(gdx, 3), & |
| 43 |
c |
size(gdy, 3), "gradiv2 klevel") |
| 44 |
signe = (-1.)**ld |
|
| 45 |
nugrads = signe * cdivu |
CALL divergf(klevel, xcov, ycov, div) |
| 46 |
c |
|
| 47 |
|
IF (ld > 1) THEN |
| 48 |
|
CALL laplacien(klevel, div) |
| 49 |
CALL divergf( klevel, gdx, gdy , div ) |
|
| 50 |
|
! Itération de l'opérateur laplacien_gam |
| 51 |
IF( ld.GT.1 ) THEN |
DO iter = 1, ld - 2 |
| 52 |
|
CALL laplacien_gam(klevel, cuvscvgam1, cvuscugam1, unsair_gam1, & |
| 53 |
CALL laplacien ( klevel, div, div ) |
unsapolnga1, unsapolsga1, div, div) |
| 54 |
|
END DO |
| 55 |
c ...... Iteration de l'operateur laplacien_gam ....... |
ENDIF |
| 56 |
|
|
| 57 |
DO iter = 1, ld -2 |
CALL filtreg_scal(div, direct = .true., intensive = .true.) |
| 58 |
CALL laplacien_gam ( klevel,cuvscvgam1,cvuscugam1,unsair_gam1, |
CALL grad(klevel, div, gdx, gdy) |
| 59 |
* unsapolnga1, unsapolsga1, div, div ) |
nugrads = (-1.)**ld * cdivu |
| 60 |
ENDDO |
|
| 61 |
|
gdx = gdx * nugrads |
| 62 |
ENDIF |
gdy = gdy * nugrads |
| 63 |
|
|
| 64 |
|
END SUBROUTINE gradiv2 |
| 65 |
CALL filtreg( div , jjp1, klevel, 2, 1, .TRUE., 1 ) |
|
| 66 |
CALL grad ( klevel, div, gdx, gdy ) |
end module gradiv2_m |
|
|
|
|
c |
|
|
DO l = 1, klevel |
|
|
DO ij = 1, ip1jmp1 |
|
|
gdx( ij,l ) = gdx( ij,l ) * nugrads |
|
|
ENDDO |
|
|
DO ij = 1, ip1jm |
|
|
gdy( ij,l ) = gdy( ij,l ) * nugrads |
|
|
ENDDO |
|
|
ENDDO |
|
|
c |
|
|
RETURN |
|
|
END |
|
Parent Directory
| 
Revision Log
| 
Patch