2D-PTV-Taylor-Green-Vortex

This is a 2D PTV test case I made using synthetic images.

Parameters:
dt = .2
visc = 0
energy_disp =0
number of points = 1000
grid_size = 40
u =1.*sin(x).*cos(y)
v = -1.*cos(x).*sin(y)
x domain [-3,3]
y domain [-3,3]