modalanalysis相关论文
As conducting an impact hammer testing during experimental modal analysis,the multiple impact phenomenon must be avoided......
In this paper, the method of vibration measurement and modal analysis for AM~50 Tunneller machine is presented. When the......
Due to the fact that vehicle suspension system is complicated,how to identify the structure-borne path of road noise eff......
针对现有的三种形式的浮置式轨道结构建立三维有限元模型，通过有限元RADIOSS软件对其各自在几种各项参数都相同的境况下做模态分析，......
To investigate themechanical properties of embeddedhoneycomb plates with high efficiency and accuracy,a new multilayered......
本文以HyperMesh前处理软件建立了后视镜结构有限元模型，采用RADIOSS求解器，进行非线性静力、模态等分析，探讨后视镜支架在可靠性道路......
Headphones and micro-speakers and in general small drivers are very sensitive to rocking modes, this problem causes voic......
Shafts are the main component of rotating machinery.The key problem for designing this kind of machine is on how to accu......
The rotor dynamic theory, combined with finite element method, has been widely used over the last three decades in order......
In order to understand and master the dynamic characteristics of air-cooled condenser support structure system, vibratio......
基于流固耦合系统的固有频率和模态阻尼比,结合结构在真空中的振型或考虑流体加载作用的无阻尼实模态振型建立了流固耦合系统振动......
通过模态测试的方法,对某型号汽车的尾气排气管进行模态参数识别,以获得它们的模态频率、模态阻尼和模态振型.这些模态参数对该汽......
点焊是各种车体广泛采用的焊接技术，在车体结构分析中详细创建每个点焊的有限元 模型是不现实的，需要用简单、高效且精度适当的模型......
本文采用Solidworks建立了一个高速赛车V8发动机的曲轴模型，并将曲轴模型保存为IGES格式导入到有限元分析软件ANSYS workbench中，最......
The purpose of this studv was to investigate the vibration modes of tooth and explain the vibration characteristics of t......
Posterior retainer design for resin-bonded fixed partial dentures:finite element static and modal an
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A novel cell-based smoothed point interpolation method(CS-PIM)for modal analysis of three-dimensiona
This paper represents a novel cell-based smoothed point interpolation method(CS-PIM)to improve the accuracy of modal ana......
A new implementation is purposed for performing fast frequency sweeping(FFS)and modal analysis in vibroacoustic problems......
Modal analysis is the system identification method for vibrating structure.There are two main streams in these methods: ......
Finite Element Analysis of Space Payload Experimental Cabinet Based on Secondary Development of Hype
Since the repetition of the finite element analysis process of the electronics cabinet,thermal drawer and other equipmen......
为了减小加固显示模块在振动环境下产生的应力，提高加固显示模块的可靠性，建立了加固显示模块主体支撑结构的有限元模型。仿真分析了......
介绍了一种基于光纤传感技术的等截面悬臂梁固有频率的测量方法,并采用理论计算和软件仿真对其进行了验证。首先,理论推导了粘贴于......
设计了一种精密电动反射镜架的机械结构,通过微驱动装置的设计调试以及并联驱动机构的解耦运算,使设计的电动反射镜架达到±7.5 mr......
This paper focus on the fast topology optimization based on the approximate reanalysis technique.Its modal analysis ......
Modal analysis is widely used to investigate the dynamic characteristics of all types of structures.For finite eleme......
We study the dynamic characteristics of a quartz crystal resonator in thickness-shear modes with the upper surface c......
This paper works on the modal analysis of a viscously damped beam (Bemoulli-Euler type) with elastically flexible co......
A novel concept of area sensing based on long-gauge fiber optic sensors for structural health monitoring is presente......
以六叶片结构的浓缩风能型风力发电机风轮为研究对象,采用锤击法对单叶片、三叶片、六叶片风轮进行模态分析,得到其试验模态参数。......
In this paper we study the algorithms and their parallel implementation for solving large-scale generalized eigenvalue p......
目的 利用有限元分析的方法为舱外航天服振动试验装夹状态的选择提供有效的计算依据.方法 建立舱外航天服有限元模型,通过模态分析......
In order to study the mechanical properties and the dynamic performance of torque converter, to reduce the vibration and......
提出了一种优化的柔性环轮胎有限元建模方法,该方法在传统的径向弹簧支撑的柔性环模型上优化了弹簧的数量并采用B21线性梁单元等效......
系统阐述了实用完备模态空间（ＰＣＭＳ），对该ＰＣＭＳ与原完备模态空间的等价性给出新的证明；又借助一种优化正交技术对ＰＣＭＳ作了改进，这种改进对某些应用是必......
提出了结构单元模态应变能的概念，并导出了基于单元模态应变能变化率的结构破损位置的诊断方法。该方法仅以结构存损前后的模态振动......
介绍了用力锤激励铁路运动实际桥梁模态分析的特别试验。试验采用了新技术，一、弹性聚能力锤延长了力的激励时间，使激励力的能量聚集......
应用时间序分析理论，在时域内建立了有限元计算响应与试验响应的相关分析数学模型。通过悬臂梁作底部固定半开口圆桶试验的实际相关......
该文从致动器配置受振动系统的固有特性支配，而不受系统初始条件和控制规律的支配的观战利用模态分析法和动态灵敏度分析，提出了基于......
应用三维有限单元和导弹实体简化模型对一种战术导弹的结构振动特性进行分析，并动用ＡＮＳＹＳ有限元分析程序，计算得到了“自由－固支”条件下，导......
晃荡现象是海洋工程和船舶设计中值得关注的问题，它涉及到自由液面大幅度运动的一系列非线性问题，很难获得一个完全的理论解，相应的试......
本文应用试验模态分析技术研究小型风冷柴油机和水冷柴油机机体扩缸前后的动态特性，从固有频率、机体刚度、受迫响应数据、工作面的......
基于有限元法，对增压器涡轮吉进行模态特性研究，从理论上探讨了材料参数，离心惯性及工作温度对涡轮叶片模态特性的影响。根据Ｈａｍｉｌｔｏｎ原理，推导......
运用结构动力修改的基本原理,以ZJ30/1700CZ车装钻机井架为研究对象,分析其动态特性,进而对影响固有频率的井架几何参数进行灵敏度......
