Research Article
On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances
Figure 14
Plots (a), (b), (c), and (d) preform the portraits of time history, while plots (e) and (f) display the projections of the phase plane when
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |