Theory of vibration of pile on elastic foundation considering 3d wave effect of soil and its applications 考慮土體三維波動(dòng)效應(yīng)時(shí)彈性支承樁的振動(dòng)理論及其應(yīng)用
According to the theory of vibration massage , different massage heads work on the body , effectively break down stubborn fat and eliminate the formation of fat . relax tightened muscles 利用震動(dòng)按摩的原理,使用不同的按摩頭,打散頑固脂肪,解除肌肉堆積,改善橙皮組織形成及舒緩緊繃肌肉。
4 kinds of ways of influence analysis on safety of the near building structures were presented by analyzing the theory of vibration - impact pile driver system and the soil vibration 摘要通過對(duì)振動(dòng)打樁機(jī)系統(tǒng)的理論分析和土體振動(dòng)分析,提出了施工振動(dòng)時(shí)鄰近房屋結(jié)構(gòu)安全性影響分析的4種方。
Author not only studied the theory of vibration isolation , but simulated the whole system based on it . each important parameter of the system was discussed and optimized with matlab language 在研究隔振理論的基礎(chǔ)上,利用matlab語言以及基于matlab語言的simulink命令對(duì)主動(dòng)隔振系統(tǒng)進(jìn)行了仿真研究,討論系統(tǒng)各參數(shù)的變化對(duì)系統(tǒng)隔振的影響,同時(shí)對(duì)各系統(tǒng)參數(shù)進(jìn)行了優(yōu)化。
In accordance with principles of constant barycenter and principle of phase difference in theory of vibration , flexible counterweight is added to let the greater part of first ordered inertia force and a part of second inertia force of the slider to obtain equilibrium 根據(jù)質(zhì)心不變?cè)砑罢駝?dòng)理論中的相位差原理,附加柔性配重使滑塊的一階慣性力的絕大部分及二階慣性力的一部分得到平衡。