On the Critical Speed, Supercritical Bifurcation, and Stability Problems of Certain Type of High-Speed Rail Vehicle

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2017/1526373/figures/1526373.fig.0011a.svgz" name="1526373.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Frequency = 1.6 Hz</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2017/1526373/figures/1526373.fig.0011b.svgz" name="1526373.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Frequency = 1.8 Hz</td></tr></table>

<div>The unstable modal vectors (solved by Simpack).</div>

Shock and Vibration

fig11

Figure 11

Figure 11: On the Critical Speed, Supercritical Bifurcation, and Stability Problems of Certain Type of High-Speed Rail Vehicle 