Vibration equations of contact wires were used to derive the formulae for calculation of mean and standard deviations of stresses.
根据接触悬挂系统中的接触线振动方程,推导了接触线应力的均值和方差的计算公式。
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.
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。
This thesis aims at developing a model and calculation method of rigidity, strength and vibration of the blade .
本文目的就是要建立一套适合于水轮机转轮叶片刚强度与振动的分析模型和计算方法。
The medium vibration during solving process is a noise rather than a more real simulation to medium mechanical behavior and could cause calculation error for elastoplastic medium.
求解过程中的介质振动,是一种噪音,可引起弹塑性介质计算结果误差,而弹性介质的计算结果几乎不受影响。
Meanwhile, calculation and comments of vibration born by the operator's hands in the felling were made.
同时,对我国林业生产中伐术的手部受振动量进行了计算和评价。
The method of design and formula of calculation in the rational vibration shape are derived in the theory.
从理论上导出了求得合理振动形态的设计方法及计算公式。
Calculation results indicate that the vibration acceleration of beam and pier can be more effectively reduced with steel spring bearing.
计算结果显示,钢弹簧支座能更有效地降低梁体与桥墩的振动加速度。
Intermediates and transition states are confirmed by the results of vibration analysis and IRC calculation.
振动分析和IRC计算结果都证实了中间体和过渡态的真实性。
It constructed the math model of the ship shafting transverse vibration and the lubricative capability calculation of stern tube bearing.
分别构建了船舶轴系横向振动和船舶尾管轴承润滑性能计算的数学模型。
Based on fuzzy theory, the relationship between the freedom degree of vehicle vibration model and the accuracy of calculation is analyzed in this paper.
运用模糊数学理论,本文分析了车辆整车振动模型自由度与计算精度之间的关系。
On the basis of above studies, calculation methods for this kind of floor vibration of industrial buildings are discussed.
在此基础上对关于这类厂房楼面振动问题的现行计算方法进行一些讨论。
The validity of the vehicle vibration models that are set up and of the vehicle vibration simulation calculation procedure are validated by experiment and the single factor analytic approach.
通过实验和单因素分析法对所建立的车辆振动模型的正确性及模拟计算程序的有效性进行了验证。
The calculation results and open-pit slope stability under blasting vibration influence are analyzed and appraised.
以计算结果为参照来分析、评价爆破震动对边坡稳定性的影响。
In this article, a calculation method is put forward for free vibration frequency of a pipe which contains flow fluid.
本文提出了对包含有流动流体的管道自由振动频率的一个计算方法。
In complex branched transmission systems, the calculation of the torsional vibration demands the computer to have more memory and fast speed.
在各种复杂的分支传动扭振系统中,由于计算工作量大而对计算机内存及速度提出了一定的要求。
Thus, the vibration simulation calculation procedure has certain directive significance. , to analyze and predict the comfort of the vehicle.
因此,本文所开发车辆振动模拟计算程序,对分析、预测车辆的平顺性是具有一定的指导意义的。
In addition, the calculation of blasting cut's parameters, check of safe vibration distance and the experience of authors are presented.
文中还介绍了爆破缺口参数的计算、震动安全距离的校核以及作者的体会。
The vibration equation of laminated plates and the calculation formula of responding sensitivity of antisymmetric laminated plates by using spline finite element method are presented.
用样条有限元法,导出了层合板的振动方程,建立了求解反对称层合板响应灵敏度的计算公式。
A calculation method for blade group vibration is presented starting with boundary assumptions to take care of the influence of root flexibility.
本文给出了从边界条件着手考虑叶根柔度影响的汽轮机叶片组的振动计算方法。
Real modal parameter identification has been used and 13 modes are identified. The obtained modes are compared with the results from steady exciting, ambient vibration and FEM calculation.
在识别中采用了实模态识别法,识别出前13个模态参数,并与稳态激振、环境振动及有限元计算进行了比较,结果是比较符合的。
This paper discusses the effect of saturated parameters appearing in the mathematical model of a large turbogenerator on the response calculation of shaft torsional vibration.
就大型汽轮发电机模型中饱和参数对汽轮发电机组轴系扭振响应计算的影响进行了详细的研究。
By means of vibration testing of catalyst input pipeline of regenerator, analysis calculation of existent pipeline, the vibration reason is found.
通过对再生器催化剂输入管线的振动测试、现有管线振动分析计算,找出了振动原因;
Parameter calculation formulas about the new inertia vibration generator are also set up in this paper.
本文还建立了这种新的惯性激振器有关参数的计算公式。
These provide theoretical calculation basis for analysis of high mode flexural vibration of plate and design of big round plate and multi nodal compound flexural ultrasonic transducer.
对薄板的高次弯曲振动模式的分析及大圆盘、多波节复合弯曲超声换能器的设计提供了理论计算依据。
The reason of the difference between fullscale ship calculation result and readout of vibration platform test has also been analyzed.
同时分析了实船计算结果与振动平台试验值之间存在差别的原因。
Described in this paper is a calculation formula for a single disk rotor system vibration response.
本文介绍了单圆盘转子体系振动响应的计算公式。
This paper introduces basic formulas of elastic vibration of conveyor belt and the calculation of its vibration coefficients e. g. cylindrical rigidity and modulus of elasticity.
本文介绍高速输送带弹性振动的基本公式,阐述我国目前常用几种输送带的圆柱刚度和杨氏弹性模量等振动系数的计算法。
The calculation method of drilling string axial vibration is given. Meanwhile, the different methods of analysing drilling string axial vibration state are supplied in different surveying condition.
并给出计算任意组合钻柱系统的轴向振动稳态响应的一般方法,提供不同测量条件下分析钻柱轴向振动状态的不同方法。
At the end, the simplified method of aseismic calculation is presented for the in_plane vibration of the transmission tower_lines system.
最后,给出了输电塔体系纵向振动时考虑导线影响的界限,提出了输电塔-导线体系纵向振动的简化抗震计算方法。
At the end, the simplified method of aseismic calculation is presented for the in_plane vibration of the transmission tower_lines system.
最后,给出了输电塔体系纵向振动时考虑导线影响的界限,提出了输电塔-导线体系纵向振动的简化抗震计算方法。
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