longitudinal vibration

Analysis of influence of dynamic model parameters of an integrate pile on its transient longitudinal vibration

完整桩瞬态纵向振动的参数影响分析

Solution to Natural Frequency of Longitudinal Vibration for a Nonuniform Nonhomogeneous Bar with Variable Cross Section by Finite Segments Method

有限段法解非均质变截面杆纵向振动固有频率

Application of theory of norm optimal control on the longitudinal vibration system of drill bit main shaft of pit digger for tree planting

范数最优控制理论在植树挖坑机钻头主轴纵向振动系统中的应用

Theoretical analyses show that the longitudinal vibration of a long slender rod, the radial and thickness extensional vibration of a thin plate can be obtained from the theory in this paper. Compared with numerical methods, the method of this paper is very simple.

理论分析表明，压电陶瓷细长棒的纵向振动，薄板的径向及厚度振动等都可由本文理论导出，与数值法相比，本文理论计算简单，物理意义明显。

The dynamic equation of this system was established through applying the finite element method to make the chain discretize into the combined body of a great number of basic units connected with node and regarding each basic unit as to the pole unit of longitudinal vibration.

应用有限单元法将链条离散化为若干个以单个链节为基本单元在结点相连接的组合体，视每个基本单元为纵向振动的杆单元，建立该系统的动力学方程。

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。

In this paper, using the similarity between the longitudinal free vibration of a bar with variable cross section and the beam bending the longitudinal vibration function is obtained from the moment on the cross section of the bending beam.

本文根据均质变截面直杆的纵振与等截面直梁的弯曲问题的一些相似性质，把求变截面直杆纵振函数变为求梁弯曲时的截面上的弯矩问题。

Harmonic response of longitudinal vibration for uniform finite rods with WPA method

均匀有限杆纵向振动谐响应的WPA解法

How to evaluate the characteristics of the longitudinal vibration of shaftings namely, what value of amplitude of vibration can be allowed is an important problem which must be dealt with in the study of longitudinal vibration.

如何评价轴系的纵振特性，即纵振产生的振幅或附加应力值为多少才是安全的，这是纵振研究工作中的重要问题。

WPA method and its application to the longitudinal vibration analysis of ship shaft-line

WPA法在舰船轴系纵向振动分析中的应用

Modeling soil as a three-dimensional axisymmetric continuum and taking its 3D wave effect into account, longitudinal vibration of pile and its application is systematically investigated.

本文从三维轴对称土体模型出发，在考虑桩周土体三维波动效应情况下，较系统地对桩的纵向振动特性进行了研究。

Analysis on Torsional Vibration and Longitudinal Vibration of Strap-on Launch Vehicle Boost Phase

捆绑型火箭助推段扭转与纵向振动耦合的分析

Discussion on Chaos in Longitudinal Vibration of Petroleum Drill Stem

石油钻柱纵向振动的混沌问题讨论

The flexible body concept is introduced to constitute the virtual prototyping continuum model of the longitudinal vibration and the transverse vibration of the belt conveyor in the thesis, and the two virtual prototyping models are analyzed in an emulation mode.

本文将柔性体概念引入带式输送机纵向振动连续模型虚拟样机和带式输送机横向振动虚拟样机的建立中，并对这两种虚拟样机进行了振动仿真分析。