Weakly Nonlinear Stability Analysis of a Thin Magnetic Fluid during Spin Coating

Figure 4

Threshold amplitude in subcritical instability region for three different Ro values at Re = 3, $r=10,$ and $m=0.1.$ Threshold amplitude in subcritical instability region for three different $m$ values at Re = 3, $r=10,$ and Ro = 0.15

(a)

(b)