This paper takes a type gas turbine rotor as an example to analyze its natural frequency and modal shape.
介绍了某型燃气轮机转子模态试验，试验测得转子静态固有频率和模态振型。
The dynamic characteristic of linear rolling guide affected by modal frequency and modal shape was studied.
为了提高结构的动态刚度，可通过修改直线滚动导轨的结构，使低阶模态频率相应提高。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
With the reduction of natural frequency stiffness and transformation of modal shape structure, the corresponding of the structure can also be changed.
刚度的减小自然伴随结构自然频率的减小和结构模态振型的转变，相应结构的动力响应也会出现转变。
The transfer of shearing and moment must be considered in dynamic analysis because the model of dowel bar affects the modal frequency and modal shape directly.
指出传力杆模型对模态频率和主振型有直接影响，动力分析中应当考虑接缝的剪力传递和弯矩传递。
The natural frequency, modal shape and modal damping ratio of the typical structural of composite wallboard (rapid wall) system are got by dynamic behavior measurement.
通过实测复合墙板试点工程结构的动力反应，获得了结构的自振频率、振型和阻尼比等模态参数。
A concept of global frequency response function (GFRF) has been presented. The MIMO modal parameter identification modal has been established, based on the weighting sum of modal shape squares.
提出了整体频响函数的新概念(GFRF).以振型平方和的形式对全部频响函数进行加权组合，建立了多输入多输出模态参数的识别模型。
Through the comparison of modal shape of floating caliper brake system elements by finite element modal analysis and experiment modal analysis, the validity of finite element model is confirmed.
通过对比浮钳式盘式制动器各零部件的有限元模态分析和试验模态分析所得出的模态阵型，验证了有限元模型的正确性。
Based on the characteristics of wind loads and modal shape of grandstand arc roofs of large stadiums, a polar coordinate method for wind induced dynamic response analysis is proposed in this paper.
根据体育场主看台弧形挑篷的风荷载和振型函数特点，提出并建立了极坐标下计算主看台弧形挑篷风致振动响应的方法。
On the simultaneity, the actual shape of the yarns in performs was observed, which will be beneficial to the foundation of the cell modal in preforms.
同时，通过实验观察了预成型件中纱线的实际形态，为三维六向编织预成型件单胞模型的建立奠定了一定的基础。
In experimental modal analysis, it is necessary to measure the response data in directions of all degrees of freedom to obtain the complete mode shape information.
试验模态分析中，要获得完整的模态振型，需要在所有自由度方向都进行测量。
The practice application expresses that effective modal mass could be helpful to find natural frequency and vibration shape.
应用表明用有效模态质量进行模态识别，可以有助于找到尾轴架系统的固有频率和振型。
Based on the piers mode shape function, this paper studied the methodology of structure ductility coefficient by modal test and the procedure of the structures inelastic seismic force.
以桥墩的基本振型函数为基础，推导出基于试验动力参数的在役桥梁结构延性系数的计算公式，并给出了结构非弹性地震力的求解方法。
According to the vector modal theory for any shape profile metallic grating, the diffraction fields are studied numerically.
本文根据任意槽形金属光栅的矢量模式理论，对正弦槽光栅和半椭圆槽光栅的情况进行了推导和数值计算。
Using MATLAB6.5 BP neural network toolbox, compiles the structural damage detection process with the input parameters based on the modal parameters of frequency and mode shape.
以MATLAB6.5BP神经网络工具箱为基础，编写了基于频率平方变化和振型模态分量为输入参数的BP神经网络结构损伤识别程序。
Therefore, through structural modal analysis with different damage degree using ANSYS, get natural frequencies and mode shape data as neural network input vector after unitary.
因此，通过有限元软件ANSYS对具有各种损伤程度的结构进行模态分析，得到固有频率和模态分量的数据，经过归一化处理后作为神经网络的输入向量。
Thirdly applying sense to hold shape and enhancing modal sense of Chinese oil paintings with"Blank left".
三以气守形，用“留白”加强画面的形式感。
Thirdly applying sense to hold shape and enhancing modal sense of Chinese oil paintings with"Blank left".
三以气守形，用“留白”加强画面的形式感。
应用推荐