source: LMDZ6/trunk/libf/dyn3d_common/adaptdt.f90 @ 5282

Last change on this file since 5282 was 5282, checked in by abarral, 6 hours ago

Turn iniprint.h clesphys.h into modules
Remove unused description.h

  • 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: 1.2 KB
Line 
1!
2! $Id: adaptdt.f90 5282 2024-10-28 12:11:48Z abarral $
3!
4subroutine adaptdt(nadv,dtbon,n,pbaru, &
5        masse)
6
7  USE comgeom2_mod_h
8  USE comdissip_mod_h
9  USE comconst_mod, ONLY: dtvr
10  USE dimensions_mod, ONLY: iim, jjm, llm, ndm
11USE paramet_mod_h, ONLY: iip1, iip2, iip3, jjp1, llmp1, llmp2, llmm1, kftd, ip1jm, ip1jmp1, &
12          ip1jmi1, ijp1llm, ijmllm, mvar, jcfil, jcfllm
13IMPLICIT NONE
14
15
16
17  !----------------------------------------------------------
18  ! Arguments
19  !----------------------------------------------------------
20  INTEGER :: n,nadv
21  REAL :: dtbon
22  REAL :: pbaru(iip1,jjp1,llm)
23  REAL :: masse(iip1,jjp1,llm)
24  !----------------------------------------------------------
25  ! Local
26  !----------------------------------------------------------
27  INTEGER :: i,j,l
28  REAL :: CFLmax,aaa,bbb
29
30    CFLmax=0.
31    do l=1,llm
32     do j=2,jjm
33      do i=1,iim
34         aaa=pbaru(i,j,l)*dtvr/masse(i,j,l)
35         CFLmax=max(CFLmax,aaa)
36         bbb=-pbaru(i,j,l)*dtvr/masse(i+1,j,l)
37         CFLmax=max(CFLmax,bbb)
38      enddo
39     enddo
40    enddo
41    n=int(CFLmax)+1
42  ! pour reproduire cas VL du code qui appele x,y,z,y,x
43     ! if (nadv.eq.30) n=n/2   ! Pour Prather
44    dtbon=dtvr/n
45
46   return
47end subroutine adaptdt
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