纵向振动

还给出了利用VA-10通讯功能实现船舶推进轴系纵向振动测量和内燃机机体振动烈度分析的应用实例。

With the help of this program , used VA-10 to measure axial vibration of marine propulsion shafting and vibration of internal combustion engine body .

扭振减振器对曲轴弯曲和纵向振动的影响研究

Influence of Torsional damper on the Bending and Axial Vibration of Crankshaft

基于PLC控制的纵向振动摆动辗压系统的设计

Design of Ordinate Vibration Rotary Forging System with PLC Control

基于ANSYS的钻柱纵向振动有限元分析及应用

ANSYS-based finite element analysis method of longitudinal vibration of drilling string and its application

大位移井钻柱纵向振动理论计算与ANSYS分析

Theoretical calculation and ANSYS analysis of longitudinal vibration for the drilling string of an extended reach well

广义Maxwell体土模型条件下粘弹性桩纵向振动的半解析解及应用

Vibration of Viscous-elastic Pile Embedded in Soils with general Maxwell Model and its application

均匀有限杆纵向振动谐响应的WPA解法

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

WPA法在舰船轴系纵向振动分析中的应用

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

成层广义Voigt地基中粘弹性桩纵向振动分析与应用

Vibration of inhomogeneous viscous - elastic pile embedded in layered soils with general Voigt model

5000m扬矿管纵向振动研究

A study on axial oscillation of 5000m lifting pipe

根据变截面杆纵向振动的波动方程，推导了余弦形变幅杆的频率方程和重要参数的计算公式.用数学软件Matlab设计了同工作频率、不同面积比的余弦形变幅杆；

Based on the wave equation of longitudinal vibration of variable cross-session rod , the frequency equation and parameter formula of cosine horn are educed , the cosine horn with same frequency and different area ratio is designed by using Matlab language .

在本文里研究了具有纵向振动的边界条件下圆柱壳体的稳定性问题，本研究应用了Donnell方程及Galerkin方法。

The present paper studies the stability of a cylindrical shell with its ends oscillating longitudinally . The Donnell 's equations and Galerkin method are used in the study .

采用拉氏变换法分别得到了标准Voigt模型和标准Maxwell模型条件下成层土中任意段变截面桩纵向振动解。

With Laplace transformation , the solution for longitudinal vibration of a pile with variable cross-section is derived when surrounding soil is simulated respectively with normal Voigt model and normal Maxwell model .

从相位匹配条件出发，对FBG横向振动时的反射谱特性进行了理论分析，同时从声光互作用超晶格理论出发，简单介绍了纵向振动的反射谱特性。

In terms of phase-matching conditions , the reflection spectrum characteristics are theoretically analyzed , In addition , we also introduce the reflection spectrum characteristics of FBG subjected to longitudinal vibration based on the theory of acousto-optic interaction superlattice theory .

基于包含轴向变形效应的Euler梁非线性理论，引用梁横向和纵向振动的精确模态描述变形场，利用拉格朗日乘子法建立起柔性多体系统约束非线性动力学方程。

The nonlinear dynamic problems of flexible multibody system are investigated . The nonlinear Euler beam theory with inclusion of axial deformation effect is employed and its deformation field is described by the exact transverse vibration modes and longitudinal vibration modes .

在对桥梁的参数化分析中也发现，当桥墩高度超过60m时，桥梁的一阶模态振型从横向振动变为纵向振动。

The parametric analysis of the bridge found when the pier height of more than 60 m , the first modal shape of the bridge change from the transversal vibration to longitudinal vibration . 4 .

基于Bishop有效应力公式、单相流固结理论以及阻抗函数递推方法，研究考虑地下水位影响时双层土中桩的纵向振动特性。

Based on Bishop ′ s effective stress formula , one-phase flow consolidation theory , and impedance function recursive method , considering the effect of underground water level , the dynamic response of a pile embedded in two-layer soil and subjected to a vertical load is theoretically investigated .

讨论了绳系卫星的纵向振动与姿态运动的耦合.利用Melnikov方法和Poincare截面的计算，证明卫星摆动具有不可预测的混沌行为。

The plane swing and longitude vibration of the tethered satellite system are discussed in this paper . By the analytical method of Melnikov and numerical calculation of Poincare section , it is observed that the system may perform a chaotic motion .

计算结果表明自锚式吊拉组合索桥在P2概率水准下的结构反应约为P1概率水准下的2倍。纵向振动与横向振动基本不耦合；

The result shows that the structural response of cable-stayed and self-anchored suspension bridge under earthquake probability PI is approximately twice as much as that under earthquake probability P2 . Longitudinal vibration is not couple against the horizontal vibration , so is vertical vibration and horizontal vibration .

对大型液体运载火箭和导弹来说，火箭结构的纵向振动与动力装置的振动很容易耦合而产生毁灭性后果，这种耦合有一个专门的名字，POGO。

As to the large liquid launch vehicle and missile , it is so easy to occur the coupled vibration of the rocket structure with the propulsion system , leading to a disastrous consequences . This kind of coupled vibration is specially called in an English word POGO .

研究结果表明样车加速时车身的纵向振动低频成分（3.9Hz）由动力传动系扭振所引起，高频成分（7.9Hz）由发动机第五悬置与车体限位框碰击所产生。

It is clarified by experiments and simulation model , that the vehicle surge is caused by both the torsional vibration of power train ( 3.9Hz ) and the collision of the fifth pad of engine mount with the limit stop on car body ( 7.8Hz ) .

小浪底土石坝纵向振动简化动力分析

Simplified Dynamic Analysis of Longitudinal Vibration for Xiaolangdi Earth Rock Dam

机械导纳法分析桩的纵向振动

Mechanical Mobility Method for Analysing the Longitudinal Vibration of the Pile

深海采矿扬矿硬管纵向振动的解析分析

Theoretical Analysis of Longitudinal Vibration of Mining Pipe in Deep Ocean

钢丝绳在箕斗装载过程中的纵向振动行为研究

Analysis of Longitudinal Vibration of Wire Rope in Loading of Skip

粘弹性地基中管桩的纵向振动特性研究

Study on Vertical Vibration Characteristics of Pipe Piles in Viscoelastic Soil

完整锚杆纵向振动问题的求解与分析

Solution and Analysis for the Longitudinal Vibration of Integrated Anchor Bar

考虑地下水位影响时桩的纵向振动特性研究

Study on pile longitudinal vibration considering effect of underground water level

饱和土中端承桩纵向振动特性研究

Vertical vibration of an end bearing pile embedded in saturated soil

多元件粘弹性土模型条件下桩的纵向振动特性与时域响应

Vibration of pile embedded in soil with multi-components viscous elastic model