The Influence on Modal Parameters of Thin Cylindrical Shell under Bolt Looseness Boundary

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2016/4709257/figures/4709257.fig.009a.svgz" name="4709257.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Time waveform</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/sv/volume-2016/4709257/figures/4709257.fig.009b.svgz" name="4709257.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Frequency spectrum</td></tr></table>

<div>Time waveform and frequency spectrum for the third natural frequency and damping ratio of TCS at 3 measuring points.</div>

Shock and Vibration

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Figure 9

Figure 9: The Influence on Modal Parameters of Thin Cylindrical Shell under Bolt Looseness Boundary 