圆柱薄膜振动特性
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黄涛, 何泽青, 宋林
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Vibration Characteristics of Cylindrical Membrane
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HUANG Tao, HE Zeqing, SONG Lin
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表4 湿模态试验频率和仿真频率比较
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Tab.4 Comparison of test frequency and simulation frequency in wet mode
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| p/kPa | 一阶频率/Hz | | 二阶频率/Hz | | 三阶频率/Hz | | 四阶频率/Hz | | 试验 | 仿真 | 试验 | 仿真 | 试验 | 仿真 | 试验 | 仿真 | | 3 | 49.3 | 64.5 | | 81.3 | 87.5 | | 122.6 | 125.3 | | 165.1 | 166.5 | | 5 | 62.1 | 73.9 | | 104.2 | 110.6 | | 155.9 | 160.8 | | 212.4 | 214.3 | | 7 | 71.3 | 81.7 | | 121.3 | 128.8 | | 182.7 | 188.7 | | 249.5 | 252.0 | | 9 | 79.1 | 89.2 | | 137.6 | 145.4 | | 207.1 | 213.8 | | 283.1 | 285.7 |
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