c
c
c =====================================================
subroutine ic(maxmx,maxmy,maxmz,meqn,mbc,mx,my,mz,
& x,y,z,dx,dy,dz,q)
c =====================================================
c
c Copyright (C) 2002 Ralf Deiterding
c Brandenburgische Universitaet Cottbus
c
implicit double precision (a-h,o-z)
c
include "cuser.i"
c
dimension q(meqn, 1-mbc:maxmx+mbc, 1-mbc:maxmy+mbc,
& 1-mbc:maxmz+mbc)
dimension x(1-mbc:maxmx+mbc),y(1-mbc:maxmy+mbc),
& z(1-mbc:maxmz+mbc)
c
c # circle of high-density gas
c
idisc = 2
rc0 = .2d0
x00 = .3d0
y00 = .7d0
z00 = .5d0
rhol = 5.d0
rhor = 1.d0
pl = 5.d0
pr = 1.d0
do 60 k = 1, mz
do 60 j = 1, my
do 60 i = 1, mx
if (dabs(x(i)-x00).lt.rc0) then
r0 = sqrt(rc0**2-(x(i)-x00)**2)
x0 = y00
y0 = z00
call cellave(y(j)-dy/2.d0,z(k)-dz/2.d0,dy,dz,wlx)
else
wlx = 0.d0
endif
if (dabs(y(j)-y00).lt.rc0) then
r0 = sqrt(rc0**2-(y(j)-y00)**2)
x0 = z00
y0 = x00
call cellave(z(k)-dz/2.d0,x(i)-dx/2.d0,dz,dx,wly)
else
wly = 0.d0
endif
if (dabs(z(k)-z00).lt.rc0) then
r0 = sqrt(rc0**2-(z(k)-z00)**2)
x0 = x00
y0 = y00
call cellave(x(i)-dx/2.d0,y(j)-dy/2.d0,dx,dy,wlz)
else
wlz = 0.d0
endif
wl = (wlx+wly+wlz)/3.d0
q(1,i,j,k) = wl*rhol + (1.d0-wl)*rhor
q(2,i,j,k) = 0.d0
q(3,i,j,k) = 0.d0
q(4,i,j,k) = 0.d0
q(5,i,j,k) = wl*(pl/gamma1) + (1.d0-wl)*(pr/gamma1)
60 continue
return
end