地震是一种复杂的振动过程。
获得振动过程中结构的内力、位移等数据。
The displacement of structure and the internal stress was given.
分析了一般机电产品对不同外加振动过程的响应规律。
This paper described the response characteristics of simple mechanical system on different vibration course.
包装系统的振动特性是研究其共振频率和振动过程中所受动态载荷的基础。
Vibration characteristics of the packaging system are the basis for studying its resonant frequency and dynamic load during vibration.
那么单摆在振动过程中,切向力、法向力及合力的大小和方向是否在变化?。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
同时,该振动过程分析将为处理冲击摆中角编码器失真信号,提供一定的依据。
Furthermore, the analysis of the vibration provides an basis for dealing with the distortion signal of the Angle coder of the pendulum apparatus.
ZL4 0 1合金振动过程中实模量的亏损随频率的降低和温度的升高而增大。
As the vibrating frequency decreased and temperature increased, the real part of complex modulus of ZL401 alloy increased.
另外,在计算传动轴承的固有振动过程中,介绍了一种具有独特见解的分析方法。
In addition, a method of calculating inherent frequency of shaft line with unique view is also introduced in this paper.
车辆振动过程中,实际安装位置的元件特性与悬挂特性的比例系数是广义坐标的函数。
When the vehicle vibrates, the ratio coefficients of the characteristics of components in fixed position and the corresponding characteristics of suspension are a function of generalized coordinates.
试验结果表明,该方法能有效地监测结构振动过程中的损伤,以及检测结构刚度损失的大小。
Test results showed that the proposed method is effective for health monitoring and damage detection of the considered structure.
通过振动台试验,研究了饱和砂土中桩基的振动特性,对桩土振动过程中的动力相互作用有了初步的认识。
The dynamic response of pile foundations in saturated sand was explored through the shake table test. Some ideas about dynamic soil-pile interaction during strong shaking were obtained.
通过振动台试验,研究了饱和砂土中桩基的振动特性,对桩土振动过程中的动力相互作用有了初步的认识。
The behavior of the model pile in the liquefying saturated sand layer during shake is studied through the shake table test, and some results about the soil-pile dynamic interaction are obtained.
采用特伦逆向反射装置,消除它在位移或振动过程中因偏摆或横移所带来的影响,使测量灵敏度和精度提高约一倍。
Trent reverse reflection device is adopted to offset the effect caused by beat and cross sliding during displacement or vibration and to enhance measurement sensitivity and accuracy nearly one time.
研究结果增强了对振动过程中土-水之间相互作用机理的理解,同时为自由场地震响应分析方法的验证提供了基础数据。
The results further our understanding of soil-water interaction under shaking, and provide the data for validating the analytical methods of the seismic response of free ground.
乘坐舒适性的评价指标为乘坐质量沿铅垂方向的稳态高斯随机振动过程的加速度均方根值,并以人体的频率敏感性作为权因子。
Opti-mal comfort is defined as a minimum root mean square value of a stationary Gaussian random process weighted with respect to human sensitivity.
模型中引入了四轮相关路面激励和人体模型,以能量方程推导出系统的动力学方程,进而对系统的振动过程进行了时域模拟和试验验证。
The dynamic equations were derived from the system energy equations, and vehicle-human system vibration simulation in time domain as well as experiment verification was carried out.
计算结果表明,只要有通过试验获得的轮胎在滚动过程中所受到的真实激励谱,利用本文的方法即可对轮胎的振动噪声进行预报。
Calculation results indicate that tire vibration and noise can be predicted with actual excitation spectrum from tests according to the method presented in the paper.
如果转子机械系统存在潜在的缺陷,那么在转子启动过程的振动信号中就会出现异常现象。
If latent defects exist in the rotor machinery system, rotor vibration signals in the whole runup process can present abnormal phenomenon.
利用离散元方法对颗粒在振动给料机中的运动过程进行了数值研究。
The moving process of solid particles in a vibrating feeder is investigated by means of Discrete Element Method.
分析了振动平板夯的运动过程,导出了平板夯的受力公式。
The motion process of vibrating plate ram was analyzed, and the force bearing formulae of plate ram was derived.
首先介绍空空导弹飞控舱环境应力筛选随机振动试验过程中出现振动过应力的情况,然后对出现振动过应力的原因进行了分析。
Firstly, the situation of excessive dynamic stress during vibration test of environmental stress screening for an air-air missile flight control cabin was introduced.
由于设计时仅进行了静强度和稳定性计算,而没有进行动力计算,在使用过程中出现了有时振动过大、个别部位刚度弱的问题。
Because only static intensity and stability analysis is considered and dynamic calculation is usually neglected in design, the problems like heavy vibration and local weak rigidity have appeared.
结果表明,减小同步带跨度既可以有效减小同步带运动过程中横向振动幅度,又可以使同步带运动有效避开正时传动机构可能的共振区。
The study shows that shortening the span length can effectively reduce the transverse vibration amplitude of synchronous belt and can avoid possible resonance region of synchronous belt.
机组更换了部分断裂叶片后,在启动过程中进行现场动平衡试验,以确保机组轴系振动达到优良水平。
At the meantime, it introduces the on-site dynamic balance experiment conducted after replacing partial broken blades during staring.
实验结果表明,所设计的控制方案具有机动速度快、超调小,在机动过程中能抑制挠性板振动等优点。
The experimental results show that the control strategy has small overshoot and fast slew maneuver with simultaneous vibration suppression.
分析了带有液体粘性传动装置的长距离带式输送机,在软起动过程中起动时间的长短对振动载荷的影响。
There are a lot of factors which affect dynamic load of the belt conveyors, and the smooth starting time is a improtance factor.
文中建立了沉箱式防波堤弹性振动-摇摆运动分析模型,可对破碎冲击作用下防波堤的弹性振动-摇摆运动过程进行数值摸拟。
A vibrating_rocking motion model of caisson breakwater under breaking wave impact is presented, which can be used to simulate its histories of vibrating_rocking motion.
齿轮动力学分析是利用振动力学理论,研究齿轮系统在传递动力和运动过程中振动、冲击、噪声的基本规律,对齿轮传动的降噪、降振非常重要。
The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
这些加热蒸汽管道应做适当支撑,避免启动、正常运行、转变过程中发生的振动过多。
These heating steam pipes shall be suitably supported to avoid excessive vibration during start-up, normal operation and transients.
这些加热蒸汽管道应做适当支撑,避免启动、正常运行、转变过程中发生的振动过多。
These heating steam pipes shall be suitably supported to avoid excessive vibration during start-up, normal operation and transients.
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