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module inidissip_m |
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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/inidissip.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
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use dimens_m, only: llm |
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SUBROUTINE inidissip ( lstardis,nitergdiv,nitergrot,niterh , |
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* tetagdiv,tetagrot,tetatemp ) |
IMPLICIT NONE |
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c======================================================================= |
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c initialisation de la dissipation horizontale |
private llm |
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c======================================================================= |
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c----------------------------------------------------------------------- |
REAL dtdiss |
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c declarations: |
integer idissip ! période de la dissipation (en pas de temps) |
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c ------------- |
real tetaudiv(llm), tetaurot(llm), tetah(llm) |
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real cdivu, crot, cdivh |
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use dimens_m |
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use paramet_m |
contains |
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use comconst |
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use comvert |
SUBROUTINE inidissip |
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use conf_gcm_m |
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use comdissipn |
! From dyn3d/inidissip.F, version 1.1.1.1 2004/05/19 12:53:06 |
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IMPLICIT NONE |
! Initialisation de la dissipation horizontale |
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LOGICAL lstardis |
USE comconst, ONLY : dtvr |
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INTEGER nitergdiv,nitergrot,niterh |
use comdissnew, only: lstardis, nitergdiv, nitergrot, niterh, tetagdiv, & |
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REAL tetagdiv,tetagrot,tetatemp |
tetagrot, tetatemp |
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REAL fact,zvert(llm),zz |
USE comvert, ONLY : preff, presnivs |
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REAL zh(ip1jmp1),zu(ip1jmp1),zv(ip1jm),deltap(ip1jmp1,llm) |
USE conf_gcm_m, ONLY : iperiod |
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REAL ullm,vllm,umin,vmin,zhmin,zhmax |
USE dimens_m, ONLY : jjm, llm |
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REAL zllm,z1llm |
USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1 |
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use l_util, only: new_unit |
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INTEGER l,ij,idum,ii |
use filtreg_m, only: filtreg |
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REAL tetamin |
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! Variables local to the procedure: |
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REAL ran1 |
REAL zvert(llm), max_zvert |
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REAL zh(ip1jmp1), zu(ip1jmp1), zv(ip1jm), deltap(ip1jmp1, llm) |
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REAL zhmin, zhmax |
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c----------------------------------------------------------------------- |
REAL zllm |
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INTEGER l, ij, idum, ii, unit |
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print *, "Call sequence information: inidissip" |
REAL tetamin ! in s |
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c |
REAL ran1 |
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c calcul des valeurs propres des operateurs par methode iterrative: |
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c ----------------------------------------------------------------- |
!----------------------------------------------------------------------- |
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crot = -1. |
PRINT *, 'Call sequence information: inidissip' |
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cdivu = -1. |
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cdivh = -1. |
! Calcul des valeurs propres des opérateurs par méthode itérative : |
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c calcul de la valeur propre de divgrad: |
crot = -1. |
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c -------------------------------------- |
cdivu = -1. |
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idum = 0 |
cdivh = -1. |
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DO l = 1, llm |
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! Calcul de la valeur propre de divgrad : |
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deltap = 1. |
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idum = -1 |
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zh(1) = ran1(idum) - 0.5 |
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idum = 0 |
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DO ij = 2, ip1jmp1 |
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zh(ij) = ran1(idum) - 0.5 |
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END DO |
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CALL filtreg(zh, jjp1, 1, 2, 1, .TRUE., 1) |
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CALL minmax(iip1*jjp1, zh, zhmin, zhmax) |
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IF (zhmin >= zhmax) THEN |
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PRINT *, 'zhmin zhmax', zhmin, zhmax |
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print *, 'Problème générateur aléatoire dans inidissip' |
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STOP 1 |
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END IF |
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DO l = 1, 50 |
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IF (lstardis) THEN |
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CALL divgrad2(1, zh, deltap, niterh, zh) |
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ELSE |
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CALL divgrad(1, zh, niterh, zh) |
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END IF |
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zllm = abs(maxval(zh)) |
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zh = zh / zllm |
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END DO |
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IF (lstardis) THEN |
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cdivh = 1. / zllm |
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ELSE |
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cdivh = zllm**(- 1. / niterh) |
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END IF |
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! Calcul des valeurs propres de gradiv (ii = 1) et nxgrarot (ii = 2) |
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PRINT *, 'Calcul des valeurs propres' |
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DO ii = 1, 2 |
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DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
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deltap(ij,l) = 1. |
zu(ij) = ran1(idum) - 0.5 |
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ENDDO |
END DO |
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ENDDO |
CALL filtreg(zu, jjp1, 1, 2, 1, .TRUE., 1) |
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DO ij = 1, ip1jm |
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idum = -1 |
zv(ij) = ran1(idum) - 0.5 |
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zh(1) = RAN1(idum)-.5 |
END DO |
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idum = 0 |
CALL filtreg(zv, jjm, 1, 2, 1, .FALSE., 1) |
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DO ij = 2, ip1jmp1 |
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zh(ij) = RAN1(idum) -.5 |
DO l = 1, 50 |
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ENDDO |
IF (ii==1) THEN |
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IF (lstardis) THEN |
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CALL filtreg (zh,jjp1,1,2,1,.TRUE.,1) |
CALL gradiv2(1, zu, zv, nitergdiv, zu, zv) |
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ELSE |
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CALL minmax(iip1*jjp1,zh,zhmin,zhmax ) |
CALL gradiv(1, zu, zv, nitergdiv, zu, zv) |
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END IF |
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IF ( zhmin .GE. zhmax ) THEN |
ELSE |
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PRINT*,' Inidissip zh min max ',zhmin,zhmax |
IF (lstardis) THEN |
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STOP'probleme generateur alleatoire dans inidissip' |
CALL nxgraro2(1, zu, zv, nitergrot, zu, zv) |
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ENDIF |
ELSE |
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CALL nxgrarot(1, zu, zv, nitergrot, zu, zv) |
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zllm = ABS( zhmax ) |
END IF |
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DO l = 1,50 |
END IF |
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IF(lstardis) THEN |
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CALL divgrad2(1,zh,deltap,niterh,zh) |
zllm = max(abs(maxval(zu)), abs(maxval(zv))) |
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ELSE |
zu = zu / zllm |
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CALL divgrad (1,zh,niterh,zh) |
zv = zv / zllm |
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ENDIF |
end DO |
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CALL minmax(iip1*jjp1,zh,zhmin,zhmax ) |
IF (ii==1) THEN |
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IF (lstardis) THEN |
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zllm = ABS( zhmax ) |
cdivu = 1. / zllm |
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z1llm = 1./zllm |
ELSE |
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DO ij = 1,ip1jmp1 |
cdivu = zllm**(- 1. / nitergdiv) |
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zh(ij) = zh(ij)* z1llm |
END IF |
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ENDDO |
ELSE |
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ENDDO |
IF (lstardis) THEN |
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crot = 1./zllm |
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IF(lstardis) THEN |
ELSE |
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cdivh = 1./ zllm |
crot = zllm**(-1. / nitergrot) |
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ELSE |
END IF |
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cdivh = zllm ** ( -1./niterh ) |
END IF |
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ENDIF |
END DO |
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c calcul des valeurs propres de gradiv (ii =1) et nxgrarot(ii=2) |
PRINT *, 'cdivu = ', cdivu |
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c ----------------------------------------------------------------- |
PRINT *, 'crot = ', crot |
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print*,'calcul des valeurs propres' |
PRINT *, 'cdivh = ', cdivh |
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DO 20 ii = 1, 2 |
! Variation verticale du coefficient de dissipation : |
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c |
zvert = 2. - 1. / (1. + (preff / presnivs - 1.)**2) |
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DO ij = 1, ip1jmp1 |
! (between 1 and 2) |
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zu(ij) = RAN1(idum) -.5 |
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ENDDO |
tetaudiv = zvert / tetagdiv |
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CALL filtreg (zu,jjp1,1,2,1,.TRUE.,1) |
tetaurot = zvert / tetagrot |
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DO ij = 1, ip1jm |
tetah = zvert / tetatemp |
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zv(ij) = RAN1(idum) -.5 |
call new_unit(unit) |
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ENDDO |
open(unit, file="inidissip.csv", status="replace", action="write") |
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CALL filtreg (zv,jjm,1,2,1,.FALSE.,1) |
write(unit, fmt=*) "tetaudiv tetaurot tetah" ! title line |
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do l = 1, llm |
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CALL minmax(iip1*jjp1,zu,umin,ullm ) |
write(unit, fmt=*) tetaudiv(l), tetaurot(l), tetah(l) |
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CALL minmax(iip1*jjm, zv,vmin,vllm ) |
end do |
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close(unit) |
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ullm = ABS ( ullm ) |
print *, 'Created file "inidissip.csv".' |
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vllm = ABS ( vllm ) |
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max_zvert = maxval(zvert) |
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DO 5 l = 1, 50 |
tetamin = min(1E6, tetagdiv / max_zvert, tetagrot / max_zvert, & |
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IF(ii.EQ.1) THEN |
tetatemp / max_zvert) |
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ccccc CALL covcont( 1,zu,zv,zu,zv ) |
PRINT *, 'tetamin = ', tetamin |
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IF(lstardis) THEN |
idissip = max(1, int(tetamin / (2 * dtvr * iperiod))) * iperiod |
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CALL gradiv2( 1,zu,zv,nitergdiv,zu,zv ) |
PRINT *, 'idissip = ', idissip |
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ELSE |
dtdiss = idissip * dtvr |
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CALL gradiv ( 1,zu,zv,nitergdiv,zu,zv ) |
PRINT *, 'dtdiss = ', dtdiss |
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ENDIF |
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ELSE |
END SUBROUTINE inidissip |
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IF(lstardis) THEN |
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CALL nxgraro2( 1,zu,zv,nitergrot,zu,zv ) |
end module inidissip_m |
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ELSE |
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CALL nxgrarot( 1,zu,zv,nitergrot,zu,zv ) |
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ENDIF |
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ENDIF |
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CALL minmax(iip1*jjp1,zu,umin,ullm ) |
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CALL minmax(iip1*jjm, zv,vmin,vllm ) |
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ullm = ABS ( ullm ) |
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vllm = ABS ( vllm ) |
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zllm = MAX( ullm,vllm ) |
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z1llm = 1./ zllm |
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DO ij = 1, ip1jmp1 |
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zu(ij) = zu(ij)* z1llm |
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ENDDO |
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DO ij = 1, ip1jm |
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zv(ij) = zv(ij)* z1llm |
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ENDDO |
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5 CONTINUE |
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IF ( ii.EQ.1 ) THEN |
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IF(lstardis) THEN |
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cdivu = 1./zllm |
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ELSE |
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cdivu = zllm **( -1./nitergdiv ) |
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ENDIF |
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ELSE |
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IF(lstardis) THEN |
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crot = 1./ zllm |
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ELSE |
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crot = zllm **( -1./nitergrot ) |
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ENDIF |
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ENDIF |
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20 CONTINUE |
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c petit test pour les operateurs non star: |
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c ---------------------------------------- |
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c IF(.NOT.lstardis) THEN |
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fact = rad*24./float(jjm) |
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fact = fact*fact |
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PRINT*,'coef u ', fact/cdivu, 1./cdivu |
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PRINT*,'coef r ', fact/crot , 1./crot |
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PRINT*,'coef h ', fact/cdivh, 1./cdivh |
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c ENDIF |
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c----------------------------------------------------------------------- |
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c variation verticale du coefficient de dissipation: |
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c -------------------------------------------------- |
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DO l=1,llm |
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zvert(l)=1. |
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ENDDO |
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fact=2. |
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c |
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DO l = 1, llm |
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zz = 1. - preff/presnivs(l) |
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zvert(l)= fact -( fact-1.)/( 1.+zz*zz ) |
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ENDDO |
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PRINT*,'Constantes de temps de la diffusion horizontale' |
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tetamin = 1.e+6 |
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DO l=1,llm |
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tetaudiv(l) = zvert(l)/tetagdiv |
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tetaurot(l) = zvert(l)/tetagrot |
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tetah(l) = zvert(l)/tetatemp |
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IF( tetamin.GT. (1./tetaudiv(l)) ) tetamin = 1./ tetaudiv(l) |
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IF( tetamin.GT. (1./tetaurot(l)) ) tetamin = 1./ tetaurot(l) |
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IF( tetamin.GT. (1./ tetah(l)) ) tetamin = 1./ tetah(l) |
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ENDDO |
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PRINT *,' INIDI tetamin dtvr ',tetamin,dtvr,iperiod |
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idissip = INT( tetamin/( 2.*dtvr*iperiod) ) * iperiod |
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PRINT *,' tetamin = ',tetamin |
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idissip = MAX(iperiod,idissip) |
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dtdiss = idissip * dtvr |
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PRINT *,' INIDI idissip dtdiss ',idissip,dtdiss |
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DO l = 1,llm |
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PRINT*,zvert(l),dtdiss*tetaudiv(l),dtdiss*tetaurot(l), |
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* dtdiss*tetah(l) |
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ENDDO |
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c |
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RETURN |
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END |
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