c
c
c =====================================================
subroutine ic(maxmx,maxmy,meqn,mbc,mx,my,x,y,dx,dy,q)
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
Y10 = 1.d0
Y11 = 0.d0
Y20 = 0.d0
Y21 = 1.d0
c
do 60 i = 1, mx
do 60 j = 1, my
ang = atan((y(j)-y0)/(x(i)-x0))
if (x(i)-x0.lt.0.d0) ang = ang+pi
r = dsqrt((x(i)-x0)**2+(y(j)-y0)**2)
c
if (r.lt.r0) then
vel = 0.d0
p = p0
call cellave(x(i)-dx/2.d0,y(j)-dy/2.d0,dx,dy,wl)
rho = (1.d0-wl)*rho0 + wl*rho1
Y1 = (1.d0-wl)*Y10 + wl*Y11
Y2 = (1.d0-wl)*Y20 + wl*Y21
else
xi = r/r0
call flow(xi,v,vel,p,rho)
vel = vel
Y1 = Y10
Y2 = Y20
endif
c
u = vel*dcos(ang)
v = vel*dsin(ang)
c
q(1,i,j) = rho*Y1
q(2,i,j) = rho*Y2
q(3,i,j) = rho*u
q(4,i,j) = rho*v
q(5,i,j) = p/gamma1 + .5d0*rho*(u*u+v*v) + q(2,i,j)*q0
60 continue
return
end