c
c =====================================================
subroutine ic(maxmx,maxmy,meqn,mbc,mx,my,x,y,dx,dy,q)
c =====================================================
c
c Copyright (C) 2003-2007 California Institute of Technology
c Ralf Deiterding, ralf@amroc.net
c
implicit double precision (a-h,o-z)
c
include "cuser.i"
c
dimension q(meqn,1-mbc:maxmx+mbc, 1-mbc:maxmy+mbc)
dimension x(1-mbc:maxmx+mbc),y(1-mbc:maxmy+mbc)
c
c # circle of high-density gas
c
idisc = 2
r0 = rc0
x0 = xc0
y0 = yc0
c
Yw = 0.d0
Ys = 1.d0
c
do 60 i = 1, mx
do 60 j = 1, my
if (y(j).gt.wlev) then
rho = rhoai
p = rhoai*grav*y(j) + pai
Y1 = Ys
else
call cellave(x(i)-dx/2.d0,y(j)-dy/2.d0,dx,dy,wl)
rho = (1.d0-wl)*rhow + wl*rhos
pwh = rhow*grav*y(j) + pai
p = (1.d0-wl)*pwh + wl*ps
Y1 = (1.d0-wl)*Yw + wl*Ys
endif
c
W = 1.d0/(Y1/Wk(1)+(1.d0-Y1)/Wk(2))
X1 = Y1*W/Wk(1)
c
q(1,i,j) = rho
q(2,i,j) = 0.d0
q(3,i,j) = 0.d0
q(5,i,j) = X1/(g(1)-1.d0)+(1.d0-X1)/(g(2)-1.d0)
q(6,i,j) = X1*g(1)*pinf(1)/(g(1)-1.d0)+
& (1.d0-X1)*g(2)*pinf(2)/(g(2)-1.d0)
q(4,i,j) = p*q(5,i,j)+q(6,i,j)+
& 0.5d0*(q(2,i,j)**2+q(3,i,j)**2)/q(1,i,j)
60 continue
return
end