Dynamic Analysis of a Hybrid Squeeze Film Damper Mounted Rub-Impact Rotor-Stator System

Figure 4

Subharmonic motion at 𝑠=2.6 (case 1); (a) Rotor trajectory; (b) Poincaré map; (c) and (d) Displacement power in 𝑋 and 𝑌 directions (without rub-impact effect).

(a)

(b)

(c)

(d)