This paper describes a computer method for determining characteristic Pair (natural frequencies and modes) with geared system.
本文叙述了确定齿轮传动系统特征对(固有频率和振型)的计算机方法。
In this paper, the natural frequencies and modes of box water body researched by using three-dimensional finite element method.
本文运用三维有限元方法离散水体，研究了箱形术体的自振频率及动水压力振型。
The present finite element model and the series solution models are used to find the natural frequencies, vibration modes and buckling loads of the FGM plates.
利用本文之有限元素分析模式与级数解模式，与求解特征值与特征向量的方法，可以求得功能梯度板之自然振动频率、振动模态与挫屈负荷。
By using these curves, the natural frequencies of elastic supported beams corresponding to various modes can be evaluated exactly and conveniently.
应用该曲线可准确、方便地求出相应于各种振型的弹支梁的固有频率。
Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.
考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。
The natural modes and frequencies of the framework of a knit-weaving machine are determined and its mechanic model established on the basis of finite element method.
本文用有限元素法建立织编机机架的力学模型，并计算了机架的低阶固有频率及相应的振型。
By finite element analysis of circular conical shell, the natural frequencies and vibrational modes of Yongle Bell have been calculated.
本文通过旋转壳体的有限元方法，计算了永乐大钟的主要固有频率和振型。
Modal analysis is used to determine the vibration characteristic of a structure and its components, including the natural frequencies and vibration modes of the structure.
模态分析用于确定设计中的结构及其部件的振动特性，包括结构的固有频率和振型。
This paper gave the computer simulation of natural frequencies and vibrational modes of truck frames, based on the structural features of the frame, by finite element method of thin wall rod system.
本文根据汽车车架结构的特点，应用薄壁杆系有限单元法，对汽车车架的固有频率和主振型进行了计算。
Using the finite element methods to study the natural and linear bearing EMBR system, the inherent frequencies and modes are obtained.
采用有限元法分析滚珠轴承和磁浮轴承—转子系统，获得相应线性系统的固有频率和模态振型等动态特征量。
Subsequently, some of the vibration modes and natural frequencies are obtained by modal analysis. Taking advantage of the results, the vibration-proof ability is analyzed.
通过模态分析计算，得到了其各阶振型和固有频率，并根据计算结果对其抗振性作了分析。
The model is used in modal analysis and we get the sensor's first four modes of vibration and its natural frequencies.
对该模型进行模态分析得出了它的前四阶振型和固有频率。
The first 20th order natural frequencies and vibration modes of the single layer spherical dome are obtained, and its vibration law is also analyzed by using subspace iteration method.
结合一工程实例，采用子空间迭代法求出了该网壳结构的前2 0阶自振频率和振型，分析了其振动规律；
The first 20th order natural frequencies and vibration modes of the single layer spherical dome are obtained, and its vibration law is also analyzed by using subspace iteration method.
结合一工程实例，采用子空间迭代法求出了该网壳结构的前2 0阶自振频率和振型，分析了其振动规律；
应用推荐