Open Access
表2
托架原模型和缩比模型固有频率对照表
| 阶数 | 原模型频率/Hz | 缩比模型频率/Hz | 估计原模型频率/Hz | 绝对误差/% |
|---|---|---|---|---|
| 7 | 17.112 | 69.251 | 17.312 75 | 1.17 |
| 8 | 51.326 | 207.72 | 51.93 | 1.18 |
| 9 | 56.17 | 223.6 | 55.9 | 0.48 |
| 10 | 105.44 | 425.89 | 106.4725 | 0.98 |
| 11 | 125.46 | 498.09 | 124.5225 | 0.75 |
| 12 | 186.98 | 756.55 | 189.1375 | 1.15 |
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