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frontera_x.f90
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!__________________________________________________
SUBROUTINE frontera_x ()
!__________________________________________________
use dimensiones
use velocidades
use variables
use deltas
use consadim
use flow
use fronterapl
use jacobtools
use derivtools
use consderper
use consdernper
IMPLICIT NONE
integer :: i,j,k,l,m
real rii,pii,uii,vii,wii,tii,uci
real rii_1,pii_1,uii_1,vii_1,wii_1
real rii_2,pii_2,uii_2,vii_2,wii_2
real rii_3,pii_3,uii_3,vii_3,wii_3
real rii_4,pii_4,uii_4,vii_4,wii_4
real rif,pif,uif,vif,wif,tif,ucf
real rif_1,pif_1,uif_1,vif_1,wif_1
real rif_2,pif_2,uif_2,vif_2,wif_2
real rif_3,pif_3,uif_3,vif_3,wif_3
real rif_4,pif_4,uif_4,vif_4,wif_4
real dudxi,drdxi,dvdxi,dpdxi,dwdxi
real dudxf,drdxf,dvdxf,dpdxf,dwdxf
real p_inf,xmachi,xmachf
real pl_l1,pl_l2,pl_l3,pl_l4,pl_l5
real pl_d1,pl_d2,pl_d3,pl_d4,pl_d5
!______________________________________________
! z=1
!______________________________________________
DO k=1,nz
DO j=1,ny
uii=u(1,j,k,1)
vii=u(1,j,k,2)
wii=u(1,j,k,3)
pii=pres(1,j,k)
rii=um(1,j,k,1)
tii=pii/rii
uii_1=u(2,j,k,1)
vii_1=u(2,j,k,2)
wii_1=u(2,j,k,3)
pii_1=pres(2,j,k)
rii_1=um(2,j,k,1)
uii_2=u(3,j,k,1)
vii_2=u(3,j,k,2)
wii_2=u(3,j,k,3)
pii_2=pres(3,j,k)
rii_2=um(3,j,k,1)
uii_3=u(4,j,k,1)
vii_3=u(4,j,k,2)
wii_3=u(4,j,k,3)
pii_3=pres(4,j,k)
rii_3=um(4,j,k,1)
uii_4=u(5,j,k,1)
vii_4=u(5,j,k,2)
wii_4=u(5,j,k,3)
pii_4=pres(5,j,k)
rii_4=um(5,j,k,1)
dudxi=jbn(1,j,k,1)*deltax*((-25./12.)*uii+4.*uii_1- &
3.*uii_2+(4./3.)*uii_3-(1./4.)*uii_4)
dvdxi=jbn(1,j,k,1)*deltax*((-25./12.)*vii+4.*vii_1- &
3.*vii_2+(4./3.)*vii_3-(1./4.)*vii_4)
dwdxi=jbn(1,j,k,1)*deltax*((-25./12.)*wii+4.*wii_1- &
3.*wii_2+(4./3.)*wii_3-(1./4.)*wii_4)
dpdxi=jbn(1,j,k,1)*deltax*((-25./12.)*pii+4.*pii_1- &
3.*pii_2+(4./3.)*pii_3-(1./4.)*pii_4)
drdxi=jbn(1,j,k,1)*deltax*((-25./12.)*rii+4.*rii_1- &
3.*rii_2+(4./3.)*rii_3-(1./4.)*rii_4)
uif=u(nx,j,k,1)
vif=u(nx,j,k,2)
wif=u(nx,j,k,3)
pif=pres(nx,j,k)
rif=um(nx,j,k,1)
tif=pii/rii
uif_1=u(nx-1,j,k,1)
vif_1=u(nx-1,j,k,2)
wif_1=u(nx-1,j,k,3)
pif_1=pres(nx-1,j,k)
rif_1=um(nx-1,j,k,1)
uif_2=u(nx-2,j,k,1)
vif_2=u(nx-2,j,k,2)
wif_2=u(nx-2,j,k,3)
pif_2=pres(nx-2,j,k)
rif_2=um(nx-2,j,k,1)
uif_3=u(nx-3,j,k,1)
vif_3=u(nx-3,j,k,2)
wif_3=u(nx-3,j,k,3)
pif_3=pres(nx-3,j,k)
rif_3=um(nx-3,j,k,1)
uif_4=u(nx-4,j,k,1)
vif_4=u(nx-4,j,k,2)
wif_4=u(nx-4,j,k,3)
pif_4=pres(nx-4,j,k)
rif_4=um(nx-4,j,k,1)
dudxf=jbn(nx,j,k,1)*deltax*((25./12.)*uif-4.*uif_1+ &
3.*uif_2-(4./3.)*uif_3+(1./4.)*uif_4)
dvdxf=jbn(nx,j,k,1)*deltax*((25./12.)*vif-4.*vif_1+ &
3.*vif_2-(4./3.)*vif_3+(1./4.)*vif_4)
dwdxf=jbn(nx,j,k,1)*deltax*((25./12.)*wif-4.*wif_1+ &
3.*wif_2-(4./3.)*wif_3+(1./4.)*wif_4)
dpdxf=jbn(nx,j,k,1)*deltax*((25./12.)*pif-4.*pif_1+ &
3.*pif_2-(4./3.)*pif_3+(1./4.)*pif_4)
drdxf=jbn(nx,j,k,1)*deltax*((25./12.)*rif-4.*rif_1+ &
3.*rif_2-(4./3.)*rif_3+(1./4.)*rif_4)
uci=SQRT(gamma*c3*tii)
ucf=SQRT(gamma*c3*tif)
xmachi=mach*uii/sqrt(tii)
xmachf=mach*uif/sqrt(tif)
!__________________________________________________
! ENTRADA
!__________________________________________________
pl_l1=(uii-uci)*(c3*dpdxi-rii*uci*dudxi)
pl_l5=pl_l1
pl_l2=0.5*c2*(pl_l1+pl_l5)
pl_l3=0.0
pl_l4=0.0
pl_d1=(pl_l2+0.5*(pl_l1+pl_l5))/(uci*uci)
pl_d2=0.0
pl_d2=0.0
pl_d3=0.0
pl_d4=0.0
frontx(1,1,j,k)=pl_d1
frontx(1,2,j,k)=0.0
frontx(1,3,j,k)=0.0
frontx(1,4,j,k)=0.0
frontx(1,5,j,k)=0.0
!__________________________________________________
! SALIDA
!__________________________________________________
p_inf=1.00
pl_l5=(uif+ucf)*(c3*dpdxf+rif*ucf*dudxf)
pl_l1=.1*(1.-xmachf*xmachf)*ucf*(pif-p_inf)*c3
pl_l2=uif*(ucf*ucf*drdxf-c3*dpdxf)
pl_l3=uif*dvdxf
pl_l4=uif*dwdxf
pl_d1=(pl_l2+0.5*(pl_l1+pl_l5))/(ucf*ucf)
pl_d2=0.5*(pl_l1+pl_l5)
pl_d3=(pl_l5-pl_l1)/(2.*rif*ucf)
pl_d4=pl_l3
pl_d5=pl_l4
frontx(2,1,j,k)=pl_d1
frontx(2,2,j,k)=uif*pl_d1+rif*pl_d3
frontx(2,3,j,k)=vif*pl_d1+rif*pl_d4
frontx(2,4,j,k)=wif*pl_d1+rif*pl_d5
frontx(2,5,j,k)=0.5*(uif*uif+vif*vif+wif*wif)*pl_d1+pl_d2/c2+ &
rif*uif*pl_d3+rif*vif*pl_d4+rif*wif*pl_d5
ENDDO
ENDDO
RETURN
END SUBROUTINE FRONTERA_X
!____________________________________________________________________
SUBROUTINE FXSOURCE (irk,neq)
!____________________________________________________________________
use dimensiones
use variables
use fronterapl
use tiempo
implicit none
integer neq,irk,i,j,k,l,m
real deltat
IF(irk.eq.1)THEN
deltat=dt
ELSEIF(irk.eq.2)THEN
deltat=0.25*dt
ELSEIF(irk.eq.3)THEN
deltat=(2./3.)*dt
ENDIF
Do k=1,nz
Do j=1,ny
um1(1,j,k,neq)=um1(1,j,k,neq)-deltat*frontx(1,neq,j,k)
um1(nx,j,k,neq)=um1(nx,j,k,neq)-deltat*frontx(2,neq,j,k)
Enddo
Enddo
RETURN
END SUBROUTINE FXSOURCE
!__________________________________________________
SUBROUTINE frontera_x_val (irk)
!__________________________________________________
use dimensiones
use velocidades
use variables
use consadim
use fronterapl
use frontera_uval
use ranaleo
IMPLICIT NONE
integer :: i,j,k,l,m,irk
real :: pe,te,re,eps,bruit
eps=0.2
do k=1,nz
do j=1,ny
ue=frontin(j,k,2)
ve=frontin(j,k,3)
we=frontin(j,k,4)
if((ue.gt.0.159).and.(ue.le.1.097)) then
ue=ue+eps*(ran(idum)-0.5)
ve=ve+eps*(ran(idum)-0.5)
we=we+eps*(ran(idum)-0.5)
elseif((ue.gt.1.097))then
ue=ue+eps*(ran(idum)-0.5)*0.2
ve=ve+eps*(ran(idum)-0.5)*0.2
we=we+eps*(ran(idum)-0.5)*0.2
endif
te=frontin(j,k,1)
re=um1(1,j,k,1)
pe=te*re
um1(1,j,k,2)=ue*re
um1(1,j,k,3)=ve*re
um1(1,j,k,4)=we*re
um1(1,j,k,5)=pe/c2+c1*re*(ue**2+ve**2+we**2)
! u(1,j,k,1)=ue
! u(1,j,k,2)=ve
! u(1,j,k,3)=we
! temp(1,j,k)=te
! pres(1,j,k)=pe
enddo
enddo
return
end subroutine frontera_x_val
!__________________________________________________
SUBROUTINE inifrontera_x_val ()
!__________________________________________________
use dimensiones
use velocidades
use fronterapl
IMPLICIT NONE
integer :: i,j,k,l,m
integer :: in_Nx,in_Ny,in_Nz,in_Nvar
write(6,*)'LECTURA CAMPO DE ENTRADA X'
open(11,file='frontx.in',form='unformatted')
read(11,err=1002)in_Nvar
if (Nd.ne.in_Nvar) goto 1002
read(11,err=1003)in_Nx,in_Ny,in_Nz
if (Nx.ne.in_Nx) goto 1003
if (Ny.ne.in_Ny) goto 1003
if (Nz.ne.in_Nz) goto 1003
read(11,err=1004) frontin
CLOSE (11)
RETURN
1002 Print*,in_Nvar,' leida ',Nd,' esperada'
print*,'ERROR DETECTADO LEYENDO EN NUMERO DE VARIABLES'
stop
1003 print*,in_Nx,in_Ny,in_Nz,' leidas ',Nx,Ny,Nz,' eperadas'
print*,'ERROR DETECTADO LEYENDO EN DIMENSIONES'
stop
1004 print*,'ERROR DETECTADO LEYENDO LA MALLA'
stop
! do k=1,nz
! do j=1,ny
! frontin(j,k,1)=temp(1,j,k)
! frontin(j,k,2)=u(1,j,k,1)
! frontin(j,k,3)=u(1,j,k,2)
! frontin(j,k,4)=u(1,j,k,3)
! frontin(j,k,5)=pres(1,j,k)
! enddo
! enddo
! return
end subroutine inifrontera_x_val
!__________________________________________________
SUBROUTINE inialea ()
!__________________________________________________
use ifport
call seed(1995)
return
end subroutine inialea