1.折减前振动周期(秒)、振型参与质量

振型号 周期(秒) 单个振型参与质量(%) 累加振型参与质量(%)
X平动 Y平动 扭转 X平动 Y平动 扭转
1 1.211094 24.84 0.11 63.37 24.84 0.11 63.37
2 1.013563 8.18 76.38 4.70 33.01 76.49 68.08
3 0.986475 57.61 12.53 20.87 90.63 89.02 88.95
4 0.403199 2.42 0.03 5.67 93.04 89.05 94.61
5 0.330914 0.13 8.28 0.12 93.17 97.34 94.73
6 0.320098 4.39 0.31 1.99 97.57 97.64 96.73
7 0.231240 0.54 0.00 1.44 98.11 97.64 98.17
8 0.188628 0.70 0.18 0.05 98.81 97.82 98.22
9 0.182067 0.07 1.25 0.00 98.88 99.07 98.22
10 0.161264 0.14 0.00 0.22 99.02 99.07 98.44
11 0.152015 0.24 0.01 0.21 99.26 99.08 98.65
12 0.150642 0.01 0.00 0.28 99.27 99.08 98.93
13 0.129858 0.00 0.34 0.00 99.27 99.43 98.93
14 0.122376 0.25 0.01 0.02 99.52 99.44 98.95
15 0.119189 0.03 0.00 0.17 99.56 99.44 99.12
16 0.110481 0.01 0.15 0.00 99.56 99.59 99.12
17 0.099363 0.02 0.00 0.03 99.58 99.59 99.16
18 0.095498 0.10 0.01 0.03 99.68 99.59 99.19
19 0.089336 0.01 0.12 0.00 99.69 99.71 99.19
20 0.079187 0.03 0.00 0.01 99.72 99.71 99.20
21 0.073981 0.00 0.03 0.00 99.72 99.75 99.20
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合计: 99.72 99.75 99.20


应该怎么调、？还有为什么？？求大神