圆柱薄膜振动特性
黄涛, 何泽青, 宋林
Vibration Characteristics of Cylindrical Membrane
HUANG Tao, HE Zeqing, SONG Lin
表2
计算频率和仿真频率对比二
Tab.2
Comparison of calculation frequency and simulation frequency in the second group
模态
m
,
n
计算值/Hz
仿真值/Hz
相对误差/%
一阶
m
=1,
n
=2
10.747
10.879
1.21
二阶
m
=1,
n
=3
18.069
18.173
0.57
三阶
m
=1,
n
=4
25.305
25.340
0.14
四阶
m
=1,
n
=5
32.352
32.346
0.02
五阶
m
=1,
n
=6
39.292
39.248
0.11