imax=50
jmax=50
xlength=10
ylength=10
delt=0.02
t_end=2.0
tau=0.5
del_vec=2.0
eps=0.001
omg=1.7
alpha=0.5
itermax=100
GX=0.0
GY=0.0
Re=10
UI=0.0
VI=0.0
PI=0.0