source: LMDZ6/branches/Amaury_dev/libf/dyn3d_common/gradiv.f90 @ 5185

Last change on this file since 5185 was 5159, checked in by abarral, 5 months ago

Put dimensions.h and paramet.h into modules

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.4 KB
Line 
1! $Header$
2
3SUBROUTINE gradiv(klevel, xcov, ycov, ld, gdx, gdy)
4
5  !    Auteur :   P. Le Van
6
7  !   ***************************************************************
8
9  !                            ld
10  !   calcul  de  (grad (div) )   du vect. v ....
11
12  ! xcov et ycov etant les composant.covariantes de v
13  !   ****************************************************************
14  !    xcov , ycov et ld  sont des arguments  d'entree pour le s-prog
15  !     gdx   et  gdy     sont des arguments de sortie pour le s-prog
16
17
18  USE lmdz_filtreg, ONLY: filtreg
19  USE lmdz_ssum_scopy, ONLY: scopy
20  USE lmdz_comdissipn, ONLY: tetaudiv, tetaurot, tetah, cdivu, crot, cdivh
21
22USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm
23  USE lmdz_paramet
24  IMPLICIT NONE
25  !
26
27
28
29  INTEGER :: klevel
30
31  REAL :: xcov(ip1jmp1, klevel), ycov(ip1jm, klevel)
32  REAL :: gdx(ip1jmp1, klevel), gdy(ip1jm, klevel)
33
34  REAL :: div(ip1jmp1, llm)
35
36  INTEGER :: l, ij, iter, ld
37
38
39
40  CALL SCOPY(ip1jmp1 * klevel, xcov, 1, gdx, 1)
41  CALL SCOPY(ip1jm * klevel, ycov, 1, gdy, 1)
42
43  DO iter = 1, ld
44
45    CALL  diverg(klevel, gdx, gdy, div)
46    CALL filtreg(div, jjp1, klevel, 2, 1, .TRUE., 2)
47    CALL    grad(klevel, div, gdx, gdy)
48
49    DO l = 1, klevel
50      DO ij = 1, ip1jmp1
51        gdx(ij, l) = - gdx(ij, l) * cdivu
52      END DO
53      DO ij = 1, ip1jm
54        gdy(ij, l) = - gdy(ij, l) * cdivu
55      END DO
56    END DO
57
58  END DO
59  RETURN
60END SUBROUTINE gradiv
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