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Bdepart.f90
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Bdepart.f90
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!c++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
subroutine dialogue
!c
!c Interface utilisateur (boutons du modele
!c
include 'sphectra.h'
include 'paramod.h'
!c
character*80 fntopo,fnforce,fnlmask,fndissip
!c
!c Reading of the names of files topography (grid), lmask (% of land), force (constant)
!c
fntopo = './topo.t21_le'
fnlmask = './lmask.sus_le'
fnforce = './force1.rec_le'
!c
!c Foring options:
!c! 0) Forcing equal to 0
!c! 1) Constant forcing read from the fnforce file
!c! 2)
!c!
iopforce = 1
!c!
open(71,file=fntopo,form='unformatted')
open(72,file=fnlmask,form='unformatted')
open(73,file=fnforce,form='unformatted')
!c!
print *,'Dialogue ends...'
return
end
!c!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
subroutine initread
!c!
!c! Initialisation des parametres lus sur fichier
!c!
include 'sphectra.h'
include 'paramod.h'
!c!
real wrk(nvaria2),gwrk(n2long,nlat),gtopo1(n2long,nlat)
!c!
!c! Initialisations
!c!
call sset(n2long*nlat,0.,gtopo,1)
call sset(nvaria2,0.,wrk,1)
call sset(n2long*nlat,0.,gek,1)
!c!
!c Parametre de Coriolis
!c!
wrk(1) = f1
call spectogrid(corio,wrk)
!c!
!c! Topographie: definition de ftopo,stopo,gtopo
!c!
read(71)ii,((gtopo(i,j),i=1,nlong),j=1,nlat)
!gtopo1(1:nlong,1:nlat/2)=gtopo(1:nlong,nlat:nlat/2+1:-1)
!gtopo1(1:nlong,nlat/2+1:nlat)=gtopo(1:nlong,1:nlat/2)
!write(81,rec=1)gtopo1(1:nlong,:)
call scopy(n2long*nlat,gtopo,1,gtopo1,1)
call gridtospec(stopo,gtopo1)
call shprod(n2long*nlat,corio,1,gtopo,1,gwrk,1)
call sscal(n2long*nlat,h0n1,gwrk,1)
call gridtospec(ftopo,gwrk)
!c!
!c! Coefficient de friction d'Ekman: calcul de gek et sek.
!c!
read(72)ii,((glmask(i,j),i=1,nlong),j=1,nlat)
do i=1,nlong
do j=1,nlat
fh = 1. - exp(-gtopo(i,j)/1000.)
gek(i,j) = ontoe*(1. + 0.5*(glmask(i,j) + fh))
enddo
enddo
call scopy(n2long*nlat,gek,1,gwrk,1)
call gridtospec(sek,gwrk)
!c!
!c Forcage
!c
if(iopforce.eq.0) then
call sset(nvaria,0.,force,1)
elseif(iopforce.eq.1) then
do nl=1,nlevels
read(73)ii,((gwrk(i,j),i=1,nlong),j=1,nlat)
call gridtospec(force(1,nl),gwrk)
enddo
endif
!c
print *,'Initread ends...'
!c
return
end
!c++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
subroutine initdissip
!c
!c Initialisation des parametres de la dissipation
!c
include 'sphectra.h'
include 'paramod.h'
!c
!c Coeffecients de la dissipation selective
!c
do nv=1,nvaria2
index = (nv - 1)/2 + 1
oplap = oprlap(index,2)*rayter2
oprdissip(nv) = (oplap/float(ntrunc*(ntrunc+1)))**4/toh
enddo
!c
!c Tabulation de la dissipation totale (fonction de PSI)
!c
print *,'Initdissip ends...'
return
end
!c++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
subroutine initcq2psi
!c
!c Calcul des coefficients de la transformation q-->psi dans le cas d'un modele
! QG a 3 niveaux. NLEVELS = 3 obligatoirement.
!c
include 'sphectra.h'
include 'paramod.h'
!c
real xm(nlevels,nlevels)
!c
!c On separe le cas du mode constant
!c
nvcons1 = 2*mvsdeb(0) - 1
nvcons2 = nvcons1 + 1
do nv=1,nvaria2
!c
!c Adresse du mode complexe associe au mode reel nv
!c
nvc = (nv - 1)/2 + 1
!c
!c Coefficient du laplacien associe
!c
oplap = oprlap(nvc,2)
!c
!c Matrice des coefficients de la transformation directe
!c
xm(1,1) = oplap - ray2n2
xm(1,2) = ray2n2
xm(1,3) = 0.
xm(2,1) = ray2n2
xm(2,2) = oplap -ray2n2 - ray4n2
xm(2,3) = ray4n2
xm(3,1) = 0.
xm(3,2) = ray4n2
xm(3,3) = oplap - ray4n2
!c
!c Inversion de la matrice dans le cas non constant
!c et mise a zero sinon
!c
if((nv.eq.nvcons1).or.(nv.eq.nvcons2)) then
call sset(nlevels**2,0.,cq2psi(1,1,nv),1)
else
call linrg(3,xm,3,cq2psi(1,1,nv),3)
!* print *,nv
!* print *,((xm(i,j),i=1,3),j=1,3)
!* print *,((cq2psi(i,j,nv),i=1,3),j=1,3)
endif
!* if(nv.eq.1) then
!* do i=1,3
!* do j=1,3
!* print *,i,j,xm(i,j),cq2psi(i,j,nv)
!* enddo
!* enddo
!* endif
enddo
!c
print *,'Initcq2psi ends...'
return
end
!c!
subroutine initqgmod
!c!
!c! Initialisations de bases du modele QG3 .
!c!
call initsph !Bsimplif.f90
call dialogue
call initread
call initdissip
call initcq2psi
!cc
return
end