Shock and Vibration / 2020 / Article / Tab 1

Research Article

Topology Optimization of Free Damping Treatments on Plates Using Level Set Method

Table 1

Modal frequency and damping ratio of test plates.

1st modal6th modal
Frequency (Hz)Damping (%)Frequency (Hz)Damping (%)

Shape (a)86.873.81364.231.28
Shape (b)77.452.90359.361.5
Shape (c)83.473.77362.831.39
Shape (d)87.023.84372.791.58

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