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- vibration modal test 振动模态检测
- Based on the modal test of XH7650 machining center with LDS,the nature frequency and vibration style were given. 使用LDS振动分析仪对XH7650立式加工中心进行模态测试,得到其固有频率及振型。
- Analysis of natural vibration of a pre-stressed solar panel shows that the gravity has significant impact on ground modal test if the panel is hung laterally. 通过分析预应力作用下太阳能电池板的固有振动,发现重力对侧向悬挂的电池板地面模态试验结果存在影响。
- Firstly, based on the mechanical behavior analysis and properties test of CFRP, the numerical analysis on the stress-strain, vibration modal and LCF life of the BLISK with CFRP ring were presented. 首先,在进行CFRP力学行为数值模拟和性能测试的基础上,进行了带箍环整体叶盘应力应变分析、振动特性分析和低循环疲劳寿命预测。
- Aiming at a tractor with six cylinder engine,the vibration characteristics of powertrain are analyzed by using ODS method,the correctness of ODS analysis is validated through modal test. 针对某六缸发动机半挂牵引车,应用振动ODS方法分析了该动力总成的振动特性,并通过模态试验验证了振动ODS分析结果的正确性。
- In this paper,the modal parameter is obtained from the datas of random vibration test of a trussed frame,and comparison with the results of the modal test is given.The feasibility of the i... 然后以桁架结构为例,通过随机振动试验数据求得模态参数,并与模态试验的结果相比较,证明该方法的可行性。
- The analysis of vibration modal is accomplished by using ANSYS.Further more, the optimal vibration modal and driving frequency have been implemented by animate function of ANSYS. 利用有限元分析方法对超声马达进行模态分析,求解出超声马达的最佳振动模态和驱动频率。
- Vibration modal shapes of a bonding tool with high frequency velocity are measured with a laser Doppler vibrometer, then the theoretic conclusion is proven. 摘要利用扫描式多普勒测振仪,对劈刀的振动形态进行测试,其结果证实了:当改变劈刀与变幅杆联结的松紧程度时,会对其振动的模态振型产生影响;
- It presents the result of modal test and finite element analysis by MSC/Patran (Nastran) for a are structure. 研究了圆弧拱结构的模态试验结果及利用MSC/Patran(Nastran)有限元分析计算模态的结果。
- The frequency identification process is implemented by using the modal test data of the storehouse structure model. 并且,进行了贮仓结构的模态试验,实施了贮仓结构参数频域识别的全过程。
- Secondly, strain measure, modal test and LCF spin test were performed successfully. 其次,成功地完成了叶盘的应变测量、模态试验和低循环疲劳试验。
- The tire modal test and its application to the tire structure design were analysed,and a tire modal analysing test system was established. 分析了轮胎模态分析的试验方法及其在轮胎设计中的应用,并建立了轮胎模态分析试验系统。
- It showed that the modal test using hammer excitation method was successful.The method presented can give reference to the similar spatial structure's modal test. 这说明锤击法的模态试验是成功的,研究结果可为同类空间结构的模态试验分析提供参考。
- The composition and configuration of hardware and software for the multipoint excitation system and theoretical base and basic calculation of modal test technique are discussed. 综合论述了多点激振系统的硬件、软件的组成与配置,以及模态试验技术的理论依据和基本算法。
- The inherent frequency and modal testing about end winding of generator stator are introduced,the vibration of end winding on-line monitoring is analyzed,a personal point of view is introduced. 对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
- The Advances of vibration Modal Analysis System 振动模态分析系统的进展
- The vibrating modal analysis of axisymmetrical laminated cylindrical shells with throughout circumference delamination is investigated. 对具环向贯穿脱层的轴对称层合圆柱壳进行振动模态分析。
- Test engineers with experience in NVH, stress and fatigue testing, instrumentation, data acquisition, and data processing, as well as the modal test experience. 噪音和应力疲劳测试工程师必须具备传感器安装,数据采集,数据处理,和模态测试的经验。
- Ewins, D. J., 1986, Modal Testing: Theory and Practice, Research Studies Press LTD., Letchworth Hertfordshire, England. 徐灏,1994,概率疲劳,东北大学出版社,中国。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。