The expression format and application method of longitudinal vibration road spectrum were described.
建立了纵振动力学模型，阐述了纵振路面谱的表达形式及应用方法。
In this paper, the regularity of longitudinal vibration was analyzed by using finite element method.
本文利用有限元方法分析了钻柱轴向振动规律。
The amplitude of longitudinal vibration is decreased when the number of intermediate supports is increased.
增加中间支点的数量，纵向振动的振幅减小。
The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit (WOB).
实验结果表明，钻柱的纵向振动主要与转速和钻压有关。
The mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
直接把均匀杆纵向振动的数学模型用于弹簧的动力分析。
The longitudinal vibration equation of elastic straight bar with nonlinear material under the action of axial force is set up.
建立了非线性材料弹性直杆在轴向扰力作用下的纵振方程。
Furthermore the vibration and noise mainly comes from the polygonal action which generates the longitudinal vibration of chains.
而在自动人行道的链传动系统中多边形效应引起的纵向振动是振动和噪声的主要来源。
The method of interpretation for fringes is obtained when the flexual vibration and longitudinal vibration appear simultaneously.
提出了两种类型振动并存时的条纹解释方法和两类振动振幅的分离方法。
Transverse excursion process of micro drill in ultrasonic longitudinal vibration drilling is analyzed by using finite element method.
利用有限元技术对微细钻头超声轴向振动钻入横向偏移过程进行深入分析。
This paper studies the affection that the flowing force of fluid inside coiled tubing is correlated to longitudinal vibration of coiled tubing.
研究了连续油管柱内流体的液动压力对连续油管柱纵向振动的影响问题。
Especially, a physical phenomenon is found that transverse vibration mode shapes and longitudinal vibration mode shapes can transform mutually.
特别是发现了耦合振动中横向和纵向振型相互转化的物理现象。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed.
一维单原子链晶格振动与均匀杆自由纵振动的运动方程在数学上存在内在的联系。
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。
On the basis of the above analysis, this paper establishes dynamic model on the longitudinal vibration of the overall belt conveyor system with finite elemental method.
在以上分析的基础上利用有限元法建立整个带式输送机系统纵向振动的动力学模型。
A general model is developed to analyze drill string vibration considering the coupled relations between longitudinal vibration, lateral vibration, and twisting vibration.
考虑钻柱的纵向振动、横向振动及扭转振动之间的耦合关系，建立了钻柱振动分析的综合模型。
The results proved that the metal jet was broken up to form uniform droplet stream under periodic longitudinal vibration in inert gas, and the sphere uniform tin powders wa…
数值计算与实验结果表明，金属射流在惰性气体环境下受激振破碎形成均匀金属液滴束流，收取到了均匀尺寸的金属锡球状粉末。
Aiming at wire rope and skip in loading, movement differential equations of skip with different mass and longitudinal vibration differential equations of wire rope were proposed.
以矿井提升装载过程中的箕斗和钢丝绳为研究对象，建立了变质量箕斗的运动微分方程及钢丝绳的纵向振动微分方程。
The engine bed equipment load through adjusts the plate and in the request transmits to the rubber packing, but effectively damping engine bed equipment's longitudinal vibration;
机床设备负载通过调整盘和内托传递给橡胶垫，可有效地阻尼机床设备的纵向震动；
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
By means of the Taylor expansion technique, the asymptotic expressions of the dispersion curves at the long wavelength region were derived for flexural and longitudinal vibration modes.
利用泰勒展开技术，给出了长波区域弯曲振动模式和伸缩振动模式的弥散曲线渐近表达式；
The theoretical derivation shows that the vibro-rotary forging efficiency is directly proportional to the vibration frequency and feedrate and higher than that of longitudinal vibration forging.
通过本文的理论推导表明，扭转振动摆动辗压的效率与振动频率和进给速度成正比，扭转振动摆动辗压成形的成形效率比纵向振动摆动辗压成形的成形效率高。
A broadband underwater Tonpilz transducer was designed by using the coupling of transducer's longitudinal vibration mode and the bending vibration mode of front mass to widen its frequency band.
该换能器利用前盖板的弯曲振动与换能器的纵向振动耦合展宽频带。
The structure acoustic radiation caused by longitudinal vibration of shafting is reduced by changing excitation force propagation path and adopting vibration isolator or dynamic vibration absorber.
改变轴系纵振激励传递途径，在轴系上安装纵振减振器或动力吸振器以降低结构水下辐射噪声。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
采用摄动法研究了楔形杆轴的固有纵扭振动，并且推导出了其固有纵扭振动的振型函数及频率特征方程。
This paper calculated the resonant length of longitudinal sonic amplitude transformer with additional mass (the tool) in supersonic vibration cutting.
本文对超声振动切削中有附加质量(刀具)的纵振动变幅杆的共振长度进行了理论计算。
The dynamic deflection moduli of particleboard were measured by flexural vibration. longitudinal transmission and longitudinal resonant vibration.
利用弯曲振动试验、纵波传播试验、纵波共振试验测定刨花板的动态抗弯弹性模量。
A single driven sandwich longitudinal and flexural composite elliptical vibration turning system is designed and manufactured.
设计并制造了一种单激励夹心式纵弯复合椭圆振动车削系统。
A single driven sandwich longitudinal and flexural composite elliptical vibration turning system is designed and manufactured.
设计并制造了一种单激励夹心式纵弯复合椭圆振动车削系统。
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