Comparison of the Time Domain Windows Specified in the ISO 18431 Standards Used to Estimate Modal Parameters in Steel Plates

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/aav/volume-2016/3837971/figures/3837971.fig.007a.svgz" name="3837971.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>First bending: 636 Hz</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/aav/volume-2016/3837971/figures/3837971.fig.007b.svgz" name="3837971.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>First torsion: 671 Hz</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/aav/volume-2016/3837971/figures/3837971.fig.007c.svgz" name="3837971.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Second torsion: 1472 Hz</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/aav/volume-2016/3837971/figures/3837971.fig.007d.svgz" name="3837971.fig.007d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Second bending: 1640 Hz</td></tr></table>

<div>Modal frequency obtained by numerical analysis.</div>

Advances in Acoustics and Vibration

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Figure 7

Figure 7: Comparison of the Time Domain Windows Specified in the ISO 18431 Standards Used to Estimate Modal Parameters in Steel Plates 