第三章简要分析了柔性杆的扭转振动。
In chapter three, the torsional vibration of the flexible bar was analyzed.
本文应用可积的一类线性微分方程求出了非均质变截面弹性直杆振动问题的一个精确解，我们应用这一精确解验证了渐近解的精确度。
This paper gives an exact solution for free vibration of a physically nonuniform straight bar with varying section by the use of a class of integrable linear ordinary differential equation.
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 mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
超声变幅杆是超声振动系统中一个重要的组成部分，经常在高声强超声中应用。
Solid horn is an important component in ultrasonic vibration system, often used in high power ultrasound applications.
通过测量凿岩机工作时的振动频率、钎杆转速、气温、气压和耗气量等性能参数，自动生成测试报告。
By testing vibration frequency, moving speed of drill rod, atmospheric temperature, pressure and consumption, a test report is automatically worked out.
提出利用抗扰条肋抑制此类风致振动的方法，并通过试验方法模拟了圆截面杆件的风致振动，取得一定的振动抑制效果。
The method using interference rib is introduced, which simulate the wind vibration of round cross-section rod via the test, and gain some effect to reduce the vibration.
我们设计了弹性刀杆，采用振动切削的方法，成功稳定地生产出铸铁纤维。
With a designed elastic cutter bar, we use the vibration cutting method and have produce the cast fiber steadily and successfully.
对镗杆振动学进行了研究，并总结了减小颤振的方法。
The study of dynamics is done for boring bar, and the methods are summarized to alleviate vibration chatter.
折流杆换热器是为了避免管束振动而开发的一种新型管束支撑换热器，近年来在国内外得到了广泛应用。
The rod baffle heat exchanger is a new type tube bundle support one to prevent the tube bundle from vibration, which is applied extensively at home and abroad.
研究了弹性地基上带传力杆的间断中厚矩形板结构的非线性振动特性。
The nonlinear vibration behaviors of a rectangular moderate thickness plate with dowel on elastic foundation were investigated.
本文运用本征函数展开方法，求解均质杆——弹簧系统受序列矩形脉冲激励的振动响应问题。
This paper, using characteristic function expansion method, have soluted a vibration response problem of a uniform bar-spring which was subjected to a series of rectangular pulses excitation.
以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a nonuniform flexible rod connected to a concentrated mass is also solved.
应用哈密顿原理，推导出均匀杆的纵振动方程与横振动方程。
The longitudinal and transverse vibrating equations of the homogeneous rod are deduced with Hamiltonian principle.
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 equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed.
这种振动是由于风吹过杆件时，在该杆件两侧背后产生交替脱落的漩涡造成的。
This kind of vibration is caused by the alternate shedding vortex behind both sides of the rod when wind blow.
论述超声波振动珩磨振动系统的原理，通过振动试验分析振动系统中的变幅杆、弯曲振动圆盘、振动子系统的振动效果。
The principle of vibration systems of ultrasonic vibration honing are discussed. The vibration effect of horn, curved vibrating disc and child system are analyzed by experiments.
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。
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.
本文将组成复合超声扭转振动变幅杆的每一级都等效为一四端网络，应用矩阵相乘使多个网络得到简化。
Every part of the compound ultrasonic torsional vibration horn is equivalent to a four -terminal network in this paper. Simplify the networks by multi-plying the matrices.
给出了输入杆具有恒定转速的高速弹性机构稳态振动响应的一种高效解法。
An efficient numerical method is presented for determining the steady-state vibration response of high-speed flexible mechanisms operating with constant input rotating speed.
分析引起这类杆件振动的原因，介绍一些抑制风致振动的结构振动控制方法及相应的控振措施。
This paper analyze the cause of vibration, and introduce some methods and measures of structural vibration control.
针对空间柔性杆系统的扭转振动问题，提出了一类由柔性杆、电阻应变片传感器、压电扭转致动器组成的柔性杆系统。
Aiming at the torsional vibration of a space flexible bar system, a flexible bar system which consists of a flexible bar, a strain gauge sensor and a piezoelectric torsional actuator is proposed.
高温、高压、高压差的蒸汽调节阀中的流动不稳定导致异常的振动，造成阀门的磨损及阀杆破坏以及流动中的压损。
The unsteady flow in the high pressure steam valve cause unusual vibration, the valve pole to be destroyed, the pressure while flowing to be lost, etc.
建立发动机气门振动的运动微分方程，该模型杆端作支承运动，考虑阻尼和较复杂的边界条件。
Considering damping and complicated boundary conditions for the valve support movement, the dynamic equation of the valve vibration of engine is found.
由于煤矿主井井架提升能力的增加，引起井架杆件受力增大，受迫振动频率增大，导致安全性能降低。
The safety of a main well headframe would be reduced significantly, due to increased loading capacity and higher vibration frequency in a coalmine.
介绍了一种平面杆系结构自由振动的解析解法。
The analytic method for the free vibration of plane frame structure is presented.
计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
通过与杆的纵振动波动方程与弦振动的一维波动方程中各个量的物理意义进行比较分析，得出扭转波是纵波的结论。
The result demonstrates that the twisting wave is longitudinal wave by anglicizing physical meaning of the longitudinal wave equation, transverse wave equation, and twisting wave equation.
大截面变幅杆能够传输更大功率更高声强的振动能量，因此对这类变幅杆的研究成为迫切需要。
The large cross-section acoustic horn can transmit more power and higher intensity sound, therefore research on this kind of acoustic horn becomes more and more emergent.
本文以集合木制螺旋桨作为启示的出发点，从而想使弹性直杆振动问题能初步臻于一个比较更一般的处理。
The aim of this paper is to give a more or less general treatment of vibration of elastic non-uniform strut, such as composite wooden screw-propeller.
本文以集合木制螺旋桨作为启示的出发点，从而想使弹性直杆振动问题能初步臻于一个比较更一般的处理。
The aim of this paper is to give a more or less general treatment of vibration of elastic non-uniform strut, such as composite wooden screw-propeller.
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