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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/adaptdt.F,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $ |
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subroutine adaptdt(nadv,dtbon,n,pbaru, |
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c masse) |
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use dimens_m |
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use paramet_m |
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use comconst |
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use comvert |
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use conf_gcm_m |
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use logic |
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use comgeom |
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use temps |
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use ener |
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IMPLICIT NONE |
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c---------------------------------------------------------- |
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c Arguments |
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c---------------------------------------------------------- |
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INTEGER n,nadv |
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REAL dtbon |
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REAL pbaru(iip1,jjp1,llm) |
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REAL masse(iip1,jjp1,llm) |
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c---------------------------------------------------------- |
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c Local |
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c---------------------------------------------------------- |
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INTEGER i,j,l |
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REAL CFLmax,aaa,bbb |
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CFLmax=0. |
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do l=1,llm |
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do j=2,jjm |
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do i=1,iim |
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aaa=pbaru(i,j,l)*dtvr/masse(i,j,l) |
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CFLmax=max(CFLmax,aaa) |
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bbb=-pbaru(i,j,l)*dtvr/masse(i+1,j,l) |
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CFLmax=max(CFLmax,bbb) |
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enddo |
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enddo |
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enddo |
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n=int(CFLmax)+1 |
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c pour reproduire cas VL du code qui appele x,y,z,y,x |
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c if (nadv.eq.30) n=n/2 ! Pour Prather |
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dtbon=dtvr/n |
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return |
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end |
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