Structural FE analysis on an integral bus is performed, in which optimal design of multiple performance objectives of structural strength, vibration modal frequency and mass is researched.
对某全承载式大客车进行了结构有限元分析，研究了该客车结构强度、振动模态频率、质量等多个性能目标的优化设计问题。
The calculation result indicates that the torsional vibration frequency will avoid from power frequency and multiple frequency.
计算结果表明，机组扭振频率避开了工频与倍频，轴系不会因共振而破坏。
A new approximate solution is given in this paper to estimate the fundamental frequency of vibration system with multiple freedom degree.
本文提出多自由度振动系统固有频率的一种近似解法。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
The multiple degrees of freedom (MDOF) waveguide vibration suppressor has the capacity to absorb low frequency sound.
多自由度波导抑振器具有吸收低频入射声波的功能。
From these analysis result, we can make a conclusion that the factors affects system natural frequency and the vibration is not unique and linear, but multiple and co-effective.
从这些分析结果中可看出，影响系统固有频率和振动的因素不是单一的、线性的，是多种因素共同作用的结果。
It can be seen that the multiple-type iterative learning control can be used in high frequency angle-vibration table control.
结论表明这种复合迭代控制器可以应用于高频角振动转台的控制。
Integration and the design of multiple anti-vibration structure to ensure that its high frequency, multi-frequency vibration and long-term trouble-free work environment.
一体化和多重防震结构设计，确保其在高频、多频振动环境中长期无故障工作。
Integration and the design of multiple anti-vibration structure to ensure that its high frequency, multi-frequency vibration and long-term trouble-free work environment.
一体化和多重防震结构设计，确保其在高频、多频振动环境中长期无故障工作。
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