source: trunk/LMDZ.COMMON/libf/dyn3d_common/adaptdt.F @ 3537

Last change on this file since 3537 was 1422, checked in by milmd, 10 years ago

In GENERIC, MARS and COMMON models replace some include files by modules (usefull for decoupling physics with dynamics).
File size: 1.2 KB
Line 
1!
2! $Id: adaptdt.F 1403 2010-07-01 09:02:53Z fairhead $
3!
4      subroutine adaptdt(nadv,dtbon,n,pbaru,
5     c                   masse)
6
7      USE control_mod
8      USE comconst_mod, ONLY: dtvr
9      IMPLICIT NONE
10
11#include "dimensions.h"
12c#include "paramr2.h"
13#include "paramet.h"
14#include "comdissip.h"
15#include "comgeom2.h"
16
17c----------------------------------------------------------
18c     Arguments
19c----------------------------------------------------------
20      INTEGER n,nadv
21      REAL dtbon
22      REAL pbaru(iip1,jjp1,llm)
23      REAL masse(iip1,jjp1,llm)
24c----------------------------------------------------------   
25c     Local
26c----------------------------------------------------------
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
42c pour reproduire cas VL du code qui appele x,y,z,y,x
43c        if (nadv.eq.30) n=n/2   ! Pour Prather
44        dtbon=dtvr/n
45       
46       return
47       end
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