gray/src/pec.f90

396 lines
11 KiB
Fortran

module pec
use const_and_precisions, only : wp_,zero,one
implicit none
real(wp_), dimension(:), allocatable, save :: rhop_tab,rhot_tab
real(wp_), dimension(:), allocatable, save :: rtabpsi1
real(wp_), dimension(:), allocatable, save :: dvol,darea
real(wp_), dimension(:), allocatable, save :: ratjav,ratjbv,ratjplv
contains
subroutine pec_init(ipec,rt_in)
use equilibrium, only : frhotor,frhopol
use gray_params, only : nnd
use magsurf_data, only : fluxval
implicit none
! arguments
integer, intent(in) :: ipec
real(wp_), dimension(nnd), intent(in), optional :: rt_in
! local variables
integer :: it
real(wp_) :: drt,rt,rt1,rhop1
real(wp_) :: ratjai,ratjbi,ratjpli
real(wp_) :: voli0,voli1,areai0,areai1
! rt_in present: read input grid
! else: build equidistant grid dimension nnd
! ipec=1 rho_pol grid
! ipec=2 rho_tor grid
call dealloc_pec
allocate(rhop_tab(nnd),rhot_tab(nnd),rtabpsi1(0:nnd),dvol(nnd),darea(nnd), &
ratjav(nnd),ratjbv(nnd),ratjplv(nnd))
voli0 = zero
areai0 = zero
rtabpsi1(0) = zero
do it=1,nnd
if(present(rt_in)) then
! read radial grid from input
rt = rt_in(it)
if(it<nnd) then
drt = rt_in(it+1)-rt
end if
else
! build equidistant radial grid
drt = one/dble(nnd-1)
rt = dble(it-1)*drt
end if
! radial coordinate of i-(i+1) interval mid point
if(it < nnd) then
rt1 = rt + drt/2.0_wp_
else
rt1 = one
end if
if (ipec == 1) then
rhop_tab(it) = rt
rhot_tab(it) = frhotor(rt)
rhop1 = rt1
else
rhot_tab(it) = rt
rhop_tab(it) = frhopol(rt)
rhop1 = frhopol(rt1)
end if
! psi grid at mid points, dimension nnd+1, for use in pec_tab
rtabpsi1(it) = rhop1**2
call fluxval(rhop1,area=areai1,vol=voli1)
dvol(it) = abs(voli1 - voli0)
darea(it) = abs(areai1 - areai0)
voli0 = voli1
areai0 = areai1
call fluxval(rhop_tab(it),ratja=ratjai,ratjb=ratjbi,ratjpl=ratjpli)
ratjav(it) = ratjai
ratjbv(it) = ratjbi
ratjplv(it) = ratjpli
end do
end subroutine pec_init
subroutine spec(psjki,ppabs,ccci,iiv,pabs,currt,dpdv,ajphiv,ajcd,pins,currins)
use gray_params, only : nnd
use beamdata, only : nray,nstep
implicit none
! local constants
real(wp_), parameter :: rtbc=one
! arguments
real(wp_), dimension(nray,nstep), intent(in) :: psjki,ppabs,ccci
integer, dimension(nray), intent(in) :: iiv
real(wp_), intent(in) :: pabs,currt
real(wp_), dimension(nnd), intent(out) :: dpdv,ajphiv,ajcd,pins,currins
! local variables
integer :: i,ii,jk
real(wp_) :: spds,sccs,facpds,facjs
real(wp_), dimension(nstep):: xxi,ypt,yamp
real(wp_), dimension(nnd) :: wdpdv,wajphiv
! calculation of dP and dI over radial grid
dpdv=zero
ajphiv=zero
do jk=1,nray
ii=iiv(jk)
if (ii < nstep ) then
if(psjki(jk,ii+1) /= zero) ii=ii+1 !!! CHECK
end if
xxi=zero
ypt=zero
yamp=zero
do i=1,ii
xxi(i)=abs(psjki(jk,i))
if(xxi(i) <= one) then
ypt(i)=ppabs(jk,i)
yamp(i)=ccci(jk,i)
end if
end do
call pec_tab(xxi,ypt,yamp,ii,rtabpsi1,wdpdv,wajphiv)
dpdv = dpdv + wdpdv
ajphiv = ajphiv + wajphiv
end do
! here dpdv is still dP (not divided yet by dV)
! here ajphiv is still dI (not divided yet by dA)
spds=zero
sccs=zero
do i=1,nnd
spds=spds+dpdv(i)
sccs=sccs+ajphiv(i)
pins(i)=spds
currins(i)=sccs
end do
facpds=one
facjs=one
if(spds > zero) facpds=pabs/spds
if(sccs /= zero) facjs=currt/sccs
dpdv=facpds*(dpdv/dvol)
ajphiv=facjs*(ajphiv/darea)
ajcd=ajphiv*ratjbv
pins=facpds*pins
currins=facjs*currins
! now dpdv is dP/dV [MW/m^3]
! now ajphiv is J_phi=dI/dA [MA/m^2]
end subroutine spec
subroutine pec_tab(xxi,ypt,yamp,ii,xtab1,wdpdv,wajphiv)
! Power and current projected on psi grid - mid points
use const_and_precisions, only : wp_,one,zero
use gray_params, only : nnd
use utils, only : locatex,intlin
! arguments
integer, intent(in) :: ii
real(wp_), dimension(ii), intent(in) :: xxi,ypt,yamp
real(wp_), dimension(0:nnd), intent(in) :: xtab1
real(wp_), dimension(nnd), intent(out) :: wdpdv,wajphiv
! local variables
integer, parameter :: llmx = 21
integer, dimension(llmx) ::isev
real(wp_) :: ppa1,ppa2,cci1,cci2,dppa,didst,rt1
integer :: i,is,ise0,idecr,iise0,iise,iis,iis1
integer :: ind1,ind2,iind,ind,indi,itb1
isev = 0
ise0 = 0
idecr = -1
is = 1
wdpdv = zero
wajphiv = zero
do i=1,ii
if(ise0 == 0) then
if(xxi(i) < one) then
ise0 = i
isev(is) = max(i - 1, 1)
is = is + 1
end if
else
if (idecr == -1) then
if(xxi(i) > xxi(i-1)) then
isev(is) = i - 1
is = is + 1
idecr = 1
end if
else
if(xxi(i) > one) exit
if(xxi(i) < xxi(i-1)) then
isev(is) = i - 1
is = is + 1
idecr = -1
end if
end if
end if
end do
isev(is) = i-1
ppa1 = zero
cci1 = zero
do iis=1,is-1
iis1 = iis + 1
iise0 = isev(iis)
iise = isev(iis1)
if (mod(iis,2) /= 0) then
idecr = -1
ind1 = nnd
ind2 = 2
iind = -1
else
idecr = 1
ind1 = 1
ind2 = nnd
iind = 1
end if
do ind=ind1,ind2,iind
indi = ind
if (idecr == -1) indi = ind - 1
rt1 = xtab1(indi)
call locatex(xxi,iise,iise0,iise,rt1,itb1)
if(itb1 >= iise0 .and. itb1 <= iise) then
if(itb1 == iise) then
ppa2=ypt(itb1)
cci2=yamp(itb1)
else
call intlin(xxi(itb1), ypt(itb1),xxi(itb1+1), ypt(itb1+1),rt1,ppa2)
call intlin(xxi(itb1),yamp(itb1),xxi(itb1+1),yamp(itb1+1),rt1,cci2)
end if
dppa = ppa2 - ppa1
didst = cci2 - cci1
wdpdv(ind) = wdpdv(ind) + dppa
wajphiv(ind) = wajphiv(ind) + didst
ppa1 = ppa2
cci1 = cci2
end if
end do
end do
end subroutine pec_tab
subroutine postproc_profiles(pabs,currt,rhot_tab,dpdv,ajphiv, &
rhotpav,drhotpav,rhotjava,drhotjava,dpdvp, ajphip, &
rhotp, drhotp, rhotjfi, drhotjfi, dpdvmx,ajmxfi, ratjamx, ratjbmx)
! radial average values over power and current density profile
use const_and_precisions, only : pi, comp_eps
use gray_params, only : nnd
use equilibrium, only : frhopol
use magsurf_data, only : fluxval
implicit none
real(wp_), intent(in) :: pabs,currt
real(wp_), dimension(nnd), intent(in) :: rhot_tab
real(wp_), dimension(nnd), intent(in) :: dpdv,ajphiv
real(wp_), intent(out) :: rhotpav,drhotpav,dpdvp
real(wp_), intent(out) :: rhotjava,drhotjava,ajphip
real(wp_), intent(out) :: rhotp,drhotp,dpdvmx
real(wp_), intent(out) :: rhotjfi,drhotjfi,ajmxfi
real(wp_), intent(out) :: ratjamx,ratjbmx
real(wp_) :: sccsa,ratjplmx,rhopjava,rhoppav
real(wp_) :: rhotjav,rhot2pav,rhot2java,dvdrhotav,dadrhotava
rhotpav=zero
rhot2pav=zero
rhotjav=zero
rhotjava=zero
rhot2java=zero
if (pabs > zero) then
rhotpav = sum(rhot_tab *dpdv*dvol)/pabs
rhot2pav = sum(rhot_tab**2*dpdv*dvol)/pabs
end if
if (abs(currt) > zero) then
rhotjav = sum(rhot_tab*ajphiv*darea)/currt
end if
sccsa = sum(abs(ajphiv)*darea)
if (sccsa > zero) then
rhotjava = sum(rhot_tab *abs(ajphiv)*darea)/sccsa
rhot2java = sum(rhot_tab**2*abs(ajphiv)*darea)/sccsa
end if
! factor sqrt(8) = 2sqrt(2) to match full width of gaussian profile
drhotpav = sqrt(8._wp_*(max(rhot2pav -rhotpav**2,comp_eps)))
drhotjava = sqrt(8._wp_*(max(rhot2java-rhotjava**2,comp_eps)))
rhoppav = frhopol(rhotpav)
rhopjava = frhopol(rhotjava)
if (pabs > zero) then
call fluxval(rhoppav,dvdrhot=dvdrhotav)
dpdvp = pabs*2.0_wp_/(sqrt(pi)*drhotpav*dvdrhotav)
call profwidth(nnd,rhot_tab,dpdv,rhotp,dpdvmx,drhotp)
else
dpdvp = zero
rhotp = zero
dpdvmx = zero
drhotp = zero
end if
if (sccsa > zero) then
call fluxval(rhopjava,dadrhot=dadrhotava,ratja=ratjamx,ratjb=ratjbmx, &
ratjpl=ratjplmx)
ajphip = currt*2.0_wp_/(sqrt(pi)*drhotjava*dadrhotava)
call profwidth(nnd,rhot_tab,ajphiv,rhotjfi,ajmxfi,drhotjfi)
else
ajphip = zero
rhotjfi = zero
ajmxfi = zero
drhotjfi = zero
end if
end subroutine postproc_profiles
subroutine profwidth(nd,xx,yy,xpk,ypk,dxxe)
use const_and_precisions, only : wp_,emn1
use utils, only : locatex, locate, intlin, vmaxmini
implicit none
! arguments
integer :: nd
real(wp_), dimension(nd) :: xx,yy
real(wp_), intent(out) :: xpk,ypk,dxxe
! local variables
integer :: imn,imx,ipk,ie
real(wp_) :: xmn,xmx,ymn,ymx,xpkp,xpkm,yye,rte1,rte2
real(wp_) :: ypkp,ypkm
call vmaxmini(yy,nd,ymn,ymx,imn,imx)
ypk = zero
xmx = xx(imx)
xmn = xx(imn)
if (abs(ymx) > abs(ymn)) then
ipk = imx
ypkp = ymx
xpkp = xmx
if(abs(ymn/ymx) < 1.0e-2_wp_) ymn = 0.0_wp_
ypkm = ymn
xpkm = xmn
else
ipk = imn
ypkp = ymn
xpkp = xmn
if(abs(ymx/ymn) < 1.0e-2_wp_) ymx = 0.0_wp_
ypkm = ymx
xpkm = xmx
end if
if(xpkp > zero) then
xpk = xpkp
ypk = ypkp
yye = ypk*emn1
call locatex(yy,nd,1,ipk,yye,ie)
if(ie > 0 .and. ie < nd) then
call intlin(yy(ie),xx(ie),yy(ie+1),xx(ie+1),yye,rte1)
else
rte1 = zero
end if
call locatex(yy,nd,ipk,nd,yye,ie)
if(ie > 0 .and. ie < nd) then
call intlin(yy(ie),xx(ie),yy(ie+1),xx(ie+1),yye,rte2)
else
rte2 = zero
end if
else
ipk=2
xpk=xx(2)
ypk=yy(2)
rte1=0.0_wp_
yye=ypk*emn1
call locate(yy,nd,yye,ie)
if(ie > 0 .and. ie < nd) then
call intlin(yy(ie),xx(ie),yy(ie+1),xx(ie+1),yye,rte2)
else
rte2 = zero
end if
end if
dxxe = rte2 - rte1
if(ymx /= zero .and. ymn /= zero) dxxe = -dxxe
end subroutine profwidth
subroutine dealloc_pec
implicit none
if (allocated(rhop_tab)) deallocate(rhop_tab)
if (allocated(rhot_tab)) deallocate(rhot_tab)
if (allocated(rtabpsi1)) deallocate(rtabpsi1)
if (allocated(dvol)) deallocate(dvol)
if (allocated(darea)) deallocate(darea)
if (allocated(ratjav)) deallocate(ratjav)
if (allocated(ratjbv)) deallocate(ratjbv)
if (allocated(ratjplv)) deallocate(ratjplv)
end subroutine dealloc_pec
end module pec