在此基础上，引入结构动特性的主要指标之一的结构固有频率，提出了一种新的结构优化形式。
Then a new type of structural optimization is proposed by employing one of the main indexes of structural dynamic characters i. e. natural frequency.
在灵敏度分析的基础上，以系统固有频率灵敏度最低为目标对张紧机构进行优化。
On the base of sensibility analysis, an optimization for tensioner is performed with the lowest sensibility of system natural frequency as the objective.
当发电机的外接负载不对称时，转子的固有频率一分为二，转子的振动在原来单频振动的基础上，产生了双重共振现象。
Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.
在试验基础上作参数修改和模态重新分析，使固有频率的总相关系数达90%。
Due to the modification of the parameters and the reanalysis based on the results of test the general correlation coefficient for the natural frequencies is over 90%.
提取车身骨架前20阶固有频率，并在模态分析的基础上进行瞬态响应和随机响应分析。
The former 20-order intrinsic frequency was extracted, and the transient analysis and stochastic vibration analysis basis on the modal were taken.
在此基础上，对车架的动态特性进行了分析，得到EQ 6590ks1车架在动态特性下的前七阶固有频率和相应的谐响应特性。
Based on this, dynamic property of EQ6590KS1 coach body frame was studied, the seven native frequency and its harmonic response property are gained.
针对8仓高方平筛的断裂问题进行了固有频率和动力响应计算，在对计算结果分析的基础上，提出了两种结构改进方案，并对改进结构又进行了计算验证。
Aiming at the fracture problem of the square plansifter with 8 cells, the calculation for nature frequency and dynamic response of this structure is completed.
本文着重计算和分析了刚性基础上的内浮顶油罐的固有频率、振型和水平地面加速度作用下的动力响应。
The natural frequency and mode of the oil storage tank with an in-floating roof supported on the ground are calculated, and its dynamic response to the horizontal earthquake motion is analyzed.
以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。
This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.
的固有频率，阻尼比，模态振型，最大位移和破坏财产的系统进行了计算和分析的基础上的振动台试验。
The natural frequency, damping ratio, mode shapes, maximum displacement and failure property of the system were calculated and analyzed based on shaking table test.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
通过动态仿真分析给出了弹性并联机构的动态响应、固有频率等动态特性参数，为并联机床整机的优化设计奠定了基础。
Dynamic response, natural frequencies and other dynamic parameter of the elastic parallel mechanism have been found out by dynamic simulation analysis...
通过模态试验，可以计算出结构的固有频率、模态振型、阻尼比等参数，为结构设计与优化打下坚实的基础。
Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
通过模态试验，可以计算出结构的固有频率、模态振型、阻尼比等参数，为结构设计与优化打下坚实的基础。
Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
应用推荐