c
c
c =====================================================
subroutine ic(maxmx,maxmy,maxmz,meqn,mbc,mx,my,mz,
& x,y,z,dx,dy,dz,q)
c =====================================================
implicit double precision (a-h,o-z)
c
c Copyright (C) 2002 Ralf Deiterding
c Brandenburgische Universitaet Cottbus
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
rhor = 1.0d0
pr = 1.d0
ur = 0.d0
vr = 0.d0
wr = 0.d0
rhol = 0.1d0
pl = 1.d0
ul = 0.d0
vl = 0.d0
wl = 0.d0
do 10 k = 1, mz
c
c
c # circle of concentration 1 against background concentration 0:
if( z(k) .gt. 0.2 )then
do 20 j = 1, my
do 20 i = 1, mx
q(1,i,j,k) = rhor
q(2,i,j,k) = q(1,i,j,k)*ur
q(3,i,j,k) = q(1,i,j,k)*vr
q(4,i,j,k) = q(1,i,j,k)*wr
q(5,i,j,k) = pr/gamma1 +
$ .5d0*(q(2,i,j,k)*q(2,i,j,k) +
$ q(3,i,j,k)*q(3,i,j,k) + q(4,i,j,k)*q(4,i,j,k))/
$ q(1,i,j,k)
20 continue
else
idisc = 2
r0 = sqrt(0.04d0 - z(k)**2)
x0 = .4d0
y0 = .0d0
do 60 j = 1, my
do 60 i = 1, mx
call cellave(x(i)-dx/2.d0,y(j)-dy/2.d0,dx,dy,win)
q(1,i,j,k) = win*rhol + (1.d0-win)*rhor
q(2,i,j,k) = q(1,i,j,k) * (win*ul + (1.d0-win)*ur)
q(3,i,j,k) = q(1,i,j,k) * (win*vl + (1.d0-win)*vr)
q(4,i,j,k) = q(1,i,j,k) * (win*wl + (1.d0-win)*wr)
q(5,i,j,k) = win*(pl/gamma1) +
$ (1.d0-win)*(pr/gamma1) +
$ .5d0*(q(2,i,j,k)*q(2,i,j,k) +
$ q(3,i,j,k)*q(3,i,j,k) + q(4,i,j,k)*q(4,i,j,k))
$ / q(1,i,j,k)
60 continue
endif
10 continue
return
end