First Problem of Stokes for Generalized Burgers' Fluids

Figure 8

Profiles of the velocity 𝑢(𝑦,𝑡) for generalized Burgers’, Oldroyd-B, and Newtonian fluids, for 𝜆₁=4,𝜆₂=2,𝜆₃=3,𝜆₄=3, and 𝑡=7s and 𝑡=20s.

(a)

(b)