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- Structural Analytical Model Updating and Mode Shape Expansion Techniques 结构分析模型的修正与振型扩充技术
- mode shapes expansion 振型扩充
- Our results show that FSI affects the system modal frequencies seriously, but mode shapes slightly. 结果表明，流固耦合作用对系统模态频率的影响较大，对系统模态振型的影响较小。
- Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
- Garvey S D, Penny JET, Friswell M I, et al.Quantifying the correlation between measured and computed mode shapes. 曹其英.;结构数学模型相关分析理论及方法研究:[博士学位论文]
- According to Davenport wind spectral,the filter of geaerlized fiuctuating wind forces for the mode shapes is established. 以Davenport风谱为标准，建立了相应于各振型的广义脉动风力成型虑波器。
- It is an effective way that reduced-order models of MEMS devices are established based on linear orthogonal mode shapes. 论述了微机电系统(MEMS)器件缩减模型的建立是进行MEMS系统级模拟的关键。
- It is desired to change the mode shapes of the diaphragm by the deposition of DLC films and hence improve the response of the earphone. 希望经由镀上类钻膜改变耳机振膜的振动响应，进而藉由不同的镀膜形式改良耳机的性能。
- The strength, stiffness and mode shape of the rear axle housing was calculated via finite elemant methool (FEM). 根据计算结果分析，指出了其结构存在的缺点，提出了改进方案。
- However, an exact relation between the normal mode shape and the complex FRF does exist. 然而,正规振型与复频响函数间的确存在一正确的关系。
- It shows through theory and computor simulation that the changes of some frequencies and mode shapes caused by beam damage are not evident, the changes of curvature mode shapes are obvious. 仿真结果表明，破损对某些阶频率、振型的影响不大，对振型曲率的影响较大．用振型曲率监测简支梁的破损优于用频率或振型的监测方法。
- In the first step, the large modification problem is transferred to a small one by using a mass distribution weighing function, which copes with the inaccurately given mode shapes. 在第一步设计过程中,通过将参考振型作为节点质量配置的位置加权函数,有效地将大修改问题转化为小修改问题。
- This paper uses experimental modal analysis method to test the intrinsic characteristic of a new designed united real axle final drive and gain its natural frequencies,mode shapes . 应用试验模态分析方法对某新开发的农用运输车联体后桥进行了模态试验，得到其固有频率、模态振型等模态参数。
- The stochastic seismic response characteristics of the inequable loess stratum were analyzed by using the mode shape decomposed method. 算例结果表明,非均匀黄土地层的地震反应具有明显的放大作用。
- The modal properties including modal frequencies and mode shapes of the torsional oscillation system were calculated and analyzed with eigen analysis and impedance matching method. 用特徵分析和阻抗匹配方法对系统各个模态固有特性包括固有频率和振型进行了对比计算和结果分析。
- Through the finite element modal analyzing by ANSYS software, the natural frequencies and mode shapes of the unbonded prestressed simple concrete beam in different prestress levels are gotten. 论文采用有限元分析软件ANSYS对预应力混凝土简支梁进行了动力分析,得到了不同预应力作用下梁的自振频率及试验难于测得的模态振型。
- The advantage of ESPI for vibration measurement is that we can obtain the resonant frequency and the correspondent mode shape at the same time. 利用光学的电子斑点干涉术做为物体振动量测之特点，在于获得振频的同时，亦可得到其对应之振型的全场图。
- The feasibility and effectiveness of the extended pseudo mode shape method are justified by using a solid-modeled shaft and bladed disk as example. 本文利用三维实体元素之转轴与叶片轮模型验证模态仿形法应用叶片轮凝缩建模之可行性。
- Subspace iteration method was adopted to calculate natural frequencies, accumulative total contributing ratio of mode shapes and vibration characteristics of HSLC continuous rigid-frame bridge. 采用子空间迭代法，量化计算分析了高强轻集料混凝土连续刚构桥的自振频率、累积振型贡献率和振型特点等。
- Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.The natural frequencies and mode shapes of the model are calculated. 建立了新型开铁口机电动钻冲机构的力学模型,计算了它的固有频率和主振型。
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