Analysis and Optimization of Low-Speed Road Noise in Electric Vehicles

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/5537704/figures/5537704.fig.0011a.svgz" name="5537704.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Before optimization 58.7 Hz</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/5537704/figures/5537704.fig.0011b.svgz" name="5537704.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>After optimization 52.2 Hz</td></tr></table>

<div>Comparison before and after optimization of second-order bending modes of the backup door.</div>

Wireless Communications and Mobile Computing

fig11

Figure 11

Figure 11: Analysis and Optimization of Low-Speed Road Noise in Electric Vehicles 