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

Figure 6

Stability chart in 𝑘−𝐴_𝑙 plane for a vertically falling isothermal film: (a) Γ=0, (b) Γ=0.06; (i) Re=0.5, (ii) Re=1, and (1)𝑊=1, (2)𝑊=5, and (3)𝑊=10 10; S-Stable region, US-Unstable region.

(a)

(b)