quasi-sinusoidal vibration

Considering the time distance effect of blasting vibration and the quasi-static method, and making use of the improved slice method, this paper puts forward an analytic method of slope stability under blasting vibration;

采用拟静力化的惯性力法，利用改进了的条分法来计算主动土压力，并考虑爆破地震的时程效应，提出了已有边坡在爆破过程中的动力稳定性系数的新的计算方法。

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At the same time, the vibration isolation effect of the new suspension with on-off control is better than the traditional semi-active suspension which is much better than passive suspension. Furthermore, a quasi-active control which is based on the active control theory was proposed.

同时，传统的半主动减振悬架的减振效果优于被动悬架，而开关控制的效果又优于传统半主动悬架。此外，本文还根据主动控制的思想提出了一种伪主动控制方法。

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It indicates that during the longitudinal vibration of the nonlinear viscoelastic pile may occur chaotic motion through the path of quasi-periodic bifurcation.

数值结果表明纵向振动的非线性粘弹性桩可以通过准周期分叉的方式进入混沌运动。

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The fatigue analysis method includes static or quasi-static fatigue, dynamic fatigue and vibration fatigue analysis method.

摘要有限元疲劳分析法通常包括:静态(或准静态)疲劳分析法 、 瞬态疲劳分析法和振动疲劳分析法.

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Quasi-conforming four node plate bending element for thin plate vibration analysis

拟协调四节点板弯曲单元在薄板振动分析中的应用

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