Secondly, the modal analysis for steel gate is carried out.
其次，对钢闸板进行了模态分析。
The 3-d finite element model is built for the modal analysis of board-level package.
建立了板级封装的三维有限元模型并进行模态分析。
The comparison with the results in theory shows the modal analysis has obtained accurate results.
与理论计算值比较表明，有限元法可获得很高精度。
Compared the modal analysis result, we can get the resonating frequency under the outside excitation.
结合模态分析结果，得到落砂机框体在外界激振下引起共振的频率。
Therefore, the inherent characteristics of the frame structure of the modal analysis is meaningful work.
故对车架结构进行固有特性的模态分析是具有实际意义的工作。
A few points of view with resepect to the application of sinusoidal excitation to the modal analysis are also…
文章也论及在模态分析中采用正弦激振的一些观点。
Finally, the modal analysis is obtained and the resonance frequency is determined by using finite element software ANSYS.
再用有限元软件ANSYS进行模态分析，确定了共振频率。
Then validity of the dynamic model was illustrated by comparison with the results of the modal analysis by ANSYS software.
利用ANSYS商用软件进行主动隔振单元的模态分析，对比结果验证了该动力学模型的正确性。
A entity model for the cylinder block of YC6108 diesel engine has been constructed and the modal analysis been implemented.
建立了YC 6108柴油机气缸体的实体模型，并进行了有限元模态分析。
The structural forms of upper floor and the calculating method of the modal analysis by finite element method are presented.
介绍了上层地板的结构型式和有限元法动力分析。
The validity of modal analysis was proved by comparing the modal analysis results with the measured results of a prototype motor.
通过比较一台实验样机的模态分析计算结果和实测结果，证实了模态分析计算的有效性。
The new method of the re-engineering VSR parameters of circle plate casting is figured out based on the modal Analysis technology.
依据振动时效机理，应用模态分析技术，提出一种盘类铸件振动时效工艺参数优化设计的新方法。
Static and dynamic frequency and dynamic stress are analyzed by using the modal analysis method and the transient dynamics method.
通过模态分析、瞬态动力学的方法，分析了叶片的动频、动应力。
The modal analysis and parametric identification are carried out. The ARMA mode and FFT spectrum analysis are used for these objects.
最后，用ARMA时序模型及FFT谱分析对此雷达进行了实验分析。
First through the modal analysis, this paper obtained the dynamic characteristics of this structure, giving reference for relevant design.
首先通过模态分析，明确了此结构的动力特性；可为相关设计提供参考。
When carrying on the modal analysis, studies that the low step vibration gets up the leading role, prepares for the further dynamic analysis.
对齿轮进行模态特性分析时，研究了齿轮的振动是低阶模态起主导作用，为齿轮进一步的动态分析做好准备。
According to the modal analysis, the natural frequency is not coincident to working frequency, so there would be no resonance occur during work.
由模态分析看出，筛箱固有频率和工作频率不重合，因此在工作中不会产生共振。
Researches represented in this paper are the modal analysis and experimental modeling of the composite beam, and its static and dynamic stability.
本文研究了复合梁的模态分析结合实验建模方法，及其静力与动力稳定性问题。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation.
在模态分析的基础上，采用几何非线性有限元的分析方法，对悬索式管桥进行了横向风共振分析。
It provides theoretic basis for the design and safe operation of the tower and the further dynamic analysis of wind turbine tower through the modal analysis.
通过进行模态分析，为塔架设计、安全运行和结构动力学分析提供更可靠的理论依据。
The result showed that the three methods could be used in the modal analysis of the above-mentioned structure, and its natural frequency could well be obtained.
结果表明，三种方法均可用于钢管混凝土框架结构模型模态分析，并能较好地得到结构固有频率。
ANSYS is used to make the modal analysis of a plane truss structure model, then APDL is used to compile procedures to calculate flexibility difference curvature.
作者利用ANSYS有限元分析软件对一个平面桁架模型进行了模态分析，并用APDL语言编制程序计算该结构的柔度差值曲率。
The research results show the modal analysis is close to measuring results. The research work provides an effective method to analyze the vibration of rolling wa…
研究结果为滚筒式洗衣机振动分析提供了一种有效可行的理论分析方法，对于滚筒式洗衣机减振控制具有重要指导意义。
The modal analysis of the wheel is done using the software ANSYS. Calculate the wheel mobility and the vibration velocity spectrum of the wheel and rail is calculated.
运用ANSYS对车轮进行了模态分析，求得车轮导纳以及钢轨和车轮振动速度的功率谱。
Using the modal analysis method in this paper, the vibration characteristics of ZJ50J double-lifting mechanical driven oil drilling rig (patent No. 352466) is studied.
应用模态分析技术、振型截断法，对专利证书号第352466号的ZJ50 J双升式机械驱动石油钻机振动特性进行研究。
In order to make the optimal design of the ride performance, firstly, the modal analysis, the harmonic response analysis and the random vibration analysis are performed.
为了对载重车进行平顺性优化设计，本文首先对载重车进行了模态分析、谐响应分析、随机振动分析。
It becomes increasingly important to improve the dynamic behaviour of the machine structure by way of optimization after the modal analysis of the machine has been made.
在对机械进行模态分析后。需要对结构进行动态特性的优化改进。
Based on the modal analysis of piezoelectric laminated plates, a FEM based inverse algorithm is presented for the time history of impact loads by piezoelectric modal response.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
On the basis of the modal analysis, the nonlinear finite element is used to analyze the dynamic response of suspension pipe bridge to cross wind excitation. The result show...
在模态分析的基础上，采用几何非线性有限元的分析方法，对悬索式管桥进行了横向风共振分析。
In order to validate the dynamic characteristic of the improved fuel pump bracket, the new FEA model is set up and the modal analysis and the spectrum analysis are carried out.
为了验证改进后托架结构的动力性能，本文建立了改进后的油泵托架的有限元模型，并利用该模型对改进后的油泵托架进行了模态分析和随机振动分析以及疲劳损伤计算。
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