Influence of Temperature Gradient on the Stability of a Viscoelastic Film with Gradually Fading Memory over a Topography with Ridges and Furrows

Figure 4

Dispersion of linear waves for isothermal Newtonian and viscoelastic films, temporal growth rate at Re=5, (a) Γ=0, (b) Γ=0.02 and (c) Γ=0.06; (1)𝐴_𝑙=0, (2)𝐴_𝑙=0.4, (3)𝐴_𝑙=0.7, and (4)𝐴_𝑙=0.9; (i) 𝑊=1, (ii) 𝑊=5, and (iii) 𝑊=10.

(a)

(b)

(c)