English translation for "固有振型"
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- natural mode of vibration
natural mode shape
normal vibration mode
Related Translations:
固有导纳: intrinsic admittancenatural admittanceself-admittance 固有振荡: built in oscillationbuilt-in oscillationnatural oscillationsproper oscillations 固有寻址: inherent addre inginherent addressing 固有淬透性: inherent hardenability 固有电容: natural capacitancenatural capacityself capacityselfcapacity
- Example Sentences:
| 1. | Optimization of structure eigenvector by beso method
利用双向渐进结构优化法对结构固有振型的优化 | | 2. | Fundamental natural mode of vibration
基本固有振型 | | 3. | Natural mode of vibration
固有振型 | | 4. | The natural mode of vibration of structures can be expressed in the form of the curvature model . and it is connected correspondingly to strain
曲率模态反映的是结构的固有振型，它与应变存在着一一对应的关系。 | | 5. | Therefore , there must be a distribution of curvature corresponding displace model . this distribution of curvature of natural mode of vibration , which corresponding to the displacement model , is called curvature model
因此，对应于每一阶位移模态，则必有其对应的固有曲率分布状态，这种与位移模态相对应的固有振型曲率分布状态称之为曲率模态。 | | 6. | Following problems are mainly discussed in this work : how to build a parametrical finite element ( fe ) model how to choose the design parameters , constraints and objective of the correction model how to evaluate different sensitivity calculating methods and choose optimization algorithms how to get the normal mode - shapes and describe the relativity between normal mode - shapes how to solve the correction problem of fe model by using structure optimization techniques in each paragraph , illustrative examples are used to explain the methods and finally an engineering application of an aircraft correction is presented in the end
主要进行了如下几个方面的工作：参数化有限元模型的建立；修正模型设计参数、约束及目标函数的确定；灵敏度方法的比较及优化算法的选取；固有振型的获取及模态相关性的定量描述；采用结构优化技术解决有限元模型修正问题。在模态修正过程中，由于修正固有振型涉及大量的有限元计算结果数据，此前，虽有不少文献在理论上研究了它的修正方法，但都没有给出工程应用实例，而本文解决了固有振型修正的工程应用问题。 | | 7. | Data acquisition , analysis and processing are integrated in structural vibration measurement and analysis system including frequency spectrum , correlation and power spectrum analysis of time signals of testing positions . the total structural behavior is constructed and structural mode shapes , whose natural mode is known , are decomposed and monitored
结构振动测试分析系统集数据采集、分析、处理为一体，其中包括对结构测点时域信号的频谱分析、相关分析、功率谱分析，同时还由结构测点处时域信号构建了结构的整体性态，在此基础上对固有振型已知的结构进行振型分解并监测。 | | 8. | ( 3 ) introducing the proportional damping , the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained . mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory
讨论了阻尼降噪问题，建立了有阻尼声振耦合系统的有限元模型，采用振型叠加法，将系统位移转换到以固有振型为基向量，进行结构壁面有吸声材料的声振耦合系统响应的有限元分析与灵敏度分析，推导了比例阻尼条件的灵敏度计算公式。 |
- Similar Words：
- "固有振动方式" English translation, "固有振动频率" English translation, "固有振动型式" English translation, "固有振动周期" English translation, "固有振动坐标" English translation, "固有支座" English translation, "固有职务" English translation, "固有植物" English translation, "固有值" English translation, "固有制程变异" English translation
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