结构动力学初相位计算
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55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55 55
4551050.63659357655 4651050.62275568755 4751050.60950657755 4851050.59680945155 4951050.58463052155 5051050.57293869855 5151050.56170533355 5251050.55090397955 5351050.54051018755 5451050.53050131755 5551050.52085637555 5651050.51155586755 5751050.50258166755 5851050.49391689955 5951050.4855458355 6051050.47745377755 6151050.4696270255 6251050.46205272155 6351050.45471886255 6451050.44761417155 6551050.44072807355 6651050.43405063255 6751050.42757250755 6851050.42128490455 6951050.41517954155 7051050.40924860855 7151050.40348473555 7251050.39788096255 7351050.39243070955 7451050.38712775455 7551050.38196620555 7651050.3769404855 7751050.37204528755 7851050.36727560755 7951050.36262667455 8051050.35809395955 8151050.35367315955 8251050.3493601855 8351050.34515112355 8451050.34104227955 8551050.3370301155 8651050.33311124455 8751050.32928246455 8851050.32554069955 8951050.32188301555 9051050.31830661155 9151050.31480880755
9251050.3113870455 9351050.30803885755 9451050.3047619155 9551050.3015539555 9651050.2984128255 9751050.29533645455 9851050.29232286955 9951050.28937016355 10051050.2864765155
位移x初速度v初相位φ
100-0
101 1.145762838
102 2.290610043
103 3.433630362
104 4.57392126
105 5.710593137
106 6.842773413
1077.969610394
1089.090276921
10910.20397372
101011.30993247
101112.40741853
101213.49573328
101314.5742162
101415.64224646
101516.69924423
101617.74467163
101718.77803322
101819.79887635
101920.80679101 102021.80140949 102122.78240573 102223.74949449 102324.70243023 102425.64100582 102526.56505118 102627.47443163 102728.36904629 102829.24882634 102930.11373315 103030.96375653 103131.79891282 103232.61924307 103333.42481118 103434.21570213 103534.9920202 103635.75388725 103736.50144112 103837.23483398 103937.95423088 104038.65980825 104139.35175263 104240.03025927 104340.69553104 104441.34777722由表中可以清楚的看出，在振幅、初速度和初位率的增加逐渐减小。
104541.9872125 104642.61405597 104743.22853026
104843.83086067 104944.42127443 105045 105145.56726641 105246.12330271 105346.66833745 105447.20259816 105547.72631099 105648.2397003 105748.7429883 105849.2363948 105949.72013693 106050.19442891 106150.65948184 106251.11550357 106351.56269851 106452.00126756 106552.43140797 106652.8533133 106753.26717334 106853.67317405 106954.07149758 107054.46232221 107154.84582237 107255.22216863 107355.59152775 107455.95406264 107556.30993247 107656.65929265 107757.0022949 107857.33908728 107957.66981426 108057.99461679 108158.31363231 108258.62699486 108358.93483511 108459.23728047 108559.53445508 108659.82647997 108760.11347306 108860.39554925 108960.67282051 109060.9453959 109161.21338169由表中可以清楚的看出，在自振频率、振幅和初
速度的增加逐渐增大。