A/mm

B/mm

C/mm

D/mm

最大等效应变/10⁻³

二阶固有频率/Hz

初始

1

3

1

68

1.239

312.86

1

0.921

3.117

1.013

74.46

1.348

318.31

2

0.981

3.219

1.055

74.052

1.381

317.89

3

1.011

3.159

0.955

74.324

1.359

318.13

4

1.067

3.261

0.941

71.196

1.430

318.55