3D visualization of plane Couette flow

an instant in the evolution of plane Couette flow in a rectangular cell of size [Lx, 2, Lz]

[movie of plane couette flow]

[x,y,z] directions are referred to as streamwise, wall-normal and spanwise, respectively,
velocity components are denoted by u(x,t) = [u,v,w](x,y,z,t) .