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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 ! in s |
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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) ! in s-1 |
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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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IMPLICIT NONE |
! From dyn3d/inidissip.F, version 1.1.1.1 2004/05/19 12:53:06 |
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include "comdissipn.h" |
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! Initialisation de la dissipation horizontale. Calcul des valeurs |
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LOGICAL lstardis |
! propres des opérateurs par méthode itérative. |
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INTEGER nitergdiv,nitergrot,niterh |
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REAL tetagdiv,tetagrot,tetatemp |
USE comconst, ONLY: dtvr |
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REAL fact,zvert(llm),zz |
use comdissnew, only: nitergdiv, nitergrot, niterh, tetagdiv, tetagrot, & |
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REAL zh(ip1jmp1),zu(ip1jmp1),zv(ip1jm),deltap(ip1jmp1,llm) |
tetatemp |
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REAL ullm,vllm,umin,vmin,zhmin,zhmax |
USE disvert_m, ONLY: preff, presnivs |
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REAL zllm,z1llm |
USE conf_gcm_m, ONLY: iperiod |
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USE dimens_m, ONLY: iim, jjm |
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INTEGER l,ij,idum,ii |
use divgrad2_m, only: divgrad2 |
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REAL tetamin |
use filtreg_m, only: filtreg |
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use gradiv2_m, only: gradiv2 |
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REAL ran1 |
use jumble, only: new_unit |
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use nxgraro2_m, only: nxgraro2 |
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USE paramet_m, ONLY: jjp1 |
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c----------------------------------------------------------------------- |
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! Variables local to the procedure: |
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print *, "Call sequence information: inidissip" |
REAL zvert(llm), max_zvert ! no dimension |
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c |
REAL, dimension(iim + 1, jjm + 1, 1):: zh, zu, gx, divgra, deltap |
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c calcul des valeurs propres des operateurs par methode iterrative: |
real zv(iim + 1, jjm, 1), gy(iim + 1, jjm, 1) |
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c ----------------------------------------------------------------- |
REAL zllm |
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INTEGER l, seed_size, ii, unit |
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crot = -1. |
REAL tetamin ! in s |
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cdivu = -1. |
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cdivh = -1. |
!----------------------------------------------------------------------- |
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c calcul de la valeur propre de divgrad: |
PRINT *, 'Call sequence information: inidissip' |
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c -------------------------------------- |
call random_seed(size=seed_size) |
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idum = 0 |
call random_seed(put=(/(1, ii = 1, seed_size)/)) |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
PRINT *, 'Calcul des valeurs propres de divgrad' |
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deltap(ij,l) = 1. |
deltap = 1. |
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ENDDO |
call random_number(zh) |
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ENDDO |
zh = zh - 0.5 |
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CALL filtreg(zh, jjp1, 1, 2, 1, .TRUE.) |
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idum = -1 |
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zh(1) = RAN1(idum)-.5 |
DO l = 1, 50 |
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idum = 0 |
CALL divgrad2(1, zh, deltap, niterh, divgra, -1.) |
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DO ij = 2, ip1jmp1 |
zllm = abs(maxval(divgra)) |
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zh(ij) = RAN1(idum) -.5 |
zh = divgra / zllm |
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ENDDO |
END DO |
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CALL filtreg (zh,jjp1,1,2,1,.TRUE.,1) |
cdivh = 1. / zllm |
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PRINT *, 'cdivh = ', cdivh |
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CALL minmax(iip1*jjp1,zh,zhmin,zhmax ) |
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PRINT *, 'Calcul des valeurs propres de gradiv' |
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IF ( zhmin .GE. zhmax ) THEN |
call random_number(zu) |
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PRINT*,' Inidissip zh min max ',zhmin,zhmax |
zu = zu - 0.5 |
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STOP'probleme generateur alleatoire dans inidissip' |
CALL filtreg(zu, jjp1, 1, 2, 1, .TRUE.) |
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ENDIF |
call random_number(zv) |
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zv = zv - 0.5 |
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zllm = ABS( zhmax ) |
CALL filtreg(zv, jjm, 1, 2, 1, .FALSE.) |
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DO l = 1,50 |
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IF(lstardis) THEN |
DO l = 1, 50 |
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CALL divgrad2(1,zh,deltap,niterh,zh) |
CALL gradiv2(zu, zv, nitergdiv, gx, gy, -1.) |
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ELSE |
zllm = max(abs(maxval(gx)), abs(maxval(gy))) |
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CALL divgrad (1,zh,niterh,zh) |
zu = gx / zllm |
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ENDIF |
zv = gy / zllm |
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end DO |
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CALL minmax(iip1*jjp1,zh,zhmin,zhmax ) |
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cdivu = 1. / zllm |
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zllm = ABS( zhmax ) |
PRINT *, 'cdivu = ', cdivu |
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z1llm = 1./zllm |
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DO ij = 1,ip1jmp1 |
PRINT *, 'Calcul des valeurs propres de nxgrarot' |
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zh(ij) = zh(ij)* z1llm |
call random_number(zu) |
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ENDDO |
zu = zu - 0.5 |
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ENDDO |
CALL filtreg(zu, jjp1, 1, 2, 1, .TRUE.) |
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call random_number(zv) |
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IF(lstardis) THEN |
zv = zv - 0.5 |
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cdivh = 1./ zllm |
CALL filtreg(zv, jjm, 1, 2, 1, .FALSE.) |
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ELSE |
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cdivh = zllm ** ( -1./niterh ) |
DO l = 1, 50 |
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ENDIF |
CALL nxgraro2(zu, zv, nitergrot, gx, gy, -1.) |
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zllm = max(abs(maxval(gx)), abs(maxval(gy))) |
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c calcul des valeurs propres de gradiv (ii =1) et nxgrarot(ii=2) |
zu = gx / zllm |
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c ----------------------------------------------------------------- |
zv = gy / zllm |
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print*,'calcul des valeurs propres' |
end DO |
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DO 20 ii = 1, 2 |
crot = 1. / zllm |
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c |
PRINT *, 'crot = ', crot |
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DO ij = 1, ip1jmp1 |
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zu(ij) = RAN1(idum) -.5 |
! Variation verticale du coefficient de dissipation : |
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ENDDO |
zvert = 2. - 1. / (1. + (preff / presnivs - 1.)**2) |
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CALL filtreg (zu,jjp1,1,2,1,.TRUE.,1) |
! (between 1 and 2) |
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DO ij = 1, ip1jm |
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zv(ij) = RAN1(idum) -.5 |
tetaudiv = zvert / tetagdiv |
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ENDDO |
tetaurot = zvert / tetagrot |
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CALL filtreg (zv,jjm,1,2,1,.FALSE.,1) |
tetah = zvert / tetatemp |
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CALL minmax(iip1*jjp1,zu,umin,ullm ) |
max_zvert = maxval(zvert) |
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CALL minmax(iip1*jjm, zv,vmin,vllm ) |
tetamin = min(1e6, tetagdiv / max_zvert, tetagrot / max_zvert, & |
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tetatemp / max_zvert) |
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ullm = ABS ( ullm ) |
PRINT *, 'tetamin = ', tetamin |
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vllm = ABS ( vllm ) |
idissip = max(1, int(tetamin / (2 * dtvr * iperiod))) * iperiod |
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PRINT *, 'idissip = ', idissip |
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DO 5 l = 1, 50 |
dtdiss = idissip * dtvr |
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IF(ii.EQ.1) THEN |
PRINT *, 'dtdiss = ', dtdiss, "s" |
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ccccc CALL covcont( 1,zu,zv,zu,zv ) |
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IF(lstardis) THEN |
call new_unit(unit) |
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CALL gradiv2( 1,zu,zv,nitergdiv,zu,zv ) |
open(unit, file="inidissip.csv", status="replace", action="write") |
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ELSE |
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CALL gradiv ( 1,zu,zv,nitergdiv,zu,zv ) |
! Title line: |
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ENDIF |
write(unit, fmt=*) '"presnivs (hPa)" "dtdiss * tetaudiv" ' & |
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ELSE |
// '"dtdiss * tetaurot" "dtdiss * tetah"' |
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IF(lstardis) THEN |
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CALL nxgraro2( 1,zu,zv,nitergrot,zu,zv ) |
do l = 1, llm |
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ELSE |
write(unit, fmt=*) presnivs(l) / 100., dtdiss * tetaudiv(l), & |
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CALL nxgrarot( 1,zu,zv,nitergrot,zu,zv ) |
dtdiss * tetaurot(l), dtdiss * tetah(l) |
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ENDIF |
end do |
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ENDIF |
close(unit) |
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print *, 'Created file "inidissip.csv".' |
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CALL minmax(iip1*jjp1,zu,umin,ullm ) |
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CALL minmax(iip1*jjm, zv,vmin,vllm ) |
END SUBROUTINE inidissip |
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ullm = ABS ( ullm ) |
end module inidissip_m |
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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 *,' INIDI tetamin idissip ',tetamin,idissip |
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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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