Profiles of the velocity field u(x,t) and v(x,t) for MHD micropolar fluid with porous effect, micropolar fluid, and MHD Newtonian fluids with porous given by Eqs. (32), (33), and (34), for U=0.1, ν=0.045, μ=0.5, κ=0.2, B0=0.2, k∗=0.2, σ=0.2, j=0.03, m=n=1, y=1, c0=0.01, and t=2s
