Bifurcation in transverse vibration of axially accelerating viscoelastic strings 轴向变速运动粘弹性弦线的横向振动分岔
2.
Direct multiscale analysis of stability of an axially accelerating viscoelastic beam 粘弹性变速运动梁稳定性的直接多尺度分析
3.
We first calculate the velocity potential between two adjacent time - steps and obtain the inertia force and added mass through integration 本文通过直接求解船在变速运动时两个相邻时刻的速度势，进而积分得到附加惯性力及附加质量。
4.
When the axial speed varies harmonically about a constant mean one , the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance 当轴向运动速度在其常平均值附近作简谐波动时，应用多尺度法给出轴向变速运动梁参数共振时的不稳定条件。
5.
The key technology of the moving load identification is realized with the certain precision by using the generalized ortho - polynomial method , and the dynamic moving load identification model in generalized ortho - polynomial domain is established 本文在载荷匀速移动的基础上，将时域识别的方法推广运用到变速运动的载荷，运用广义正交变换技术研究了移动载荷识别的新方法，并推导出了在广义正交域下移动载荷识别的数学模型。
