片语

mode-shape analysis振型分析

mode vibration shape模态振型

Vector Of Mode Shape振型矢量

strain mode shape应变模态

natural mode shape固有振蕩频率

mode-shape decomposition response spectrum method振型分解反应谱法

mode-shape decomposition response spectrum振型分解反应谱法

mode shape participation coefficient振型参与系数

mode shape of vibration振型

英汉例句

• the damping factor of the most unstable mode shape of mistuned blade system is chosen as the cost function of optimization.

  选取非均匀叶片系统中最不稳定振型的阻尼因子作为优化模型的目标函数。

• the natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.

  并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。

• based on strain mode shape (sms), the direct index methods of damage location and degree detection are presented and founded.

  提出并建立了损伤位置直接指标法、局域应变模态面积损伤程度直接指标法。

• the mode shape function of the pier was offered to study the dynamic deformation feature of the continuous beam bridge sited on the elastic foundation.

  为了研究弹性基础上连续梁的振动特性，提出了连续梁桥墩的振型函数表达式。

• the second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.

  第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。

• the typical natural frequencies and mode shape as well as the dynamic amplification of some buttresses under excitation of different levels are also given.

  文中还给出典型单墩的自振频率和振型，不同激振状态下各墩位的动力放大情况。

• with applications to a three-span continuous beam bridge, the comparative of some methods of mode shape expansion and updating is researched.

  针对某三跨连续梁桥，对几种振型扩展与修正的方法进行了比较研究。

• the initial sensor assignment is obtained by the qr decomposition of the structural mode shape matrix to ensure the estimation accuracy of the parameters.

  利用结构振型矩阵转置的qr分解得到传感器的初始配置。

• the cross correlation functions is applied to prce method to extract the natural frequencies and damping from output only under the white noise excitation, but the mode shape can't be determined.

  在激励满足白噪声的假设下，可以将互相关函数代替脉沖响应函数用于多参考点最小平方复指数法，单独利用响应数据求出系统的自然频率和阻尼，但无法获得模态振型。

• the results indicate that the inherent frequency and mode shape can reflect the performance of structure but cannot locate structure damage exactly.

  研究结果表明，固有频率及振型能反映结构的整体性能，但很难判断损伤位置；

• curvature mode shape can indicate the presence of initial damage and its severity, and locate initial damage of a structure effectively.

  曲率模态振型可以有效地确定结构早期损伤的存在、程度和位置。

• two methods of solution for laminated plates made of fibre-reinforced or homogeneous layers are presented by introducing mode shape functions series of composite strip.

  本文引入复合板条振型函数系列，提出二种层叠板解法。一种纯解析法适用于各种边界条件的矩形层叠板的动力计算；

• the frequence and mode shape of continuous bridge was given by analytical method and three bending moment method, and the two method was contrasted.

  根据解析法和三弯矩法求解了连续梁的固有频率和振型，并将两种方法进行了比较。

• based on the piers mode shape function, this paper studied the methodology of structure ductility coefficient by modal test and the procedure of the structures inelastic seismic force.

  以桥墩的基本振型函数为基础，推导出基于试验动力参数的在役桥梁结构延性系数的计算公式，并给出了结构非弹性地震力的求解方法。

• natural frequency and dominant mode shape of fgm beams under four kinds of boundary conditions were obtained.

  求解了两端简支等四种常见边界条件下功能梯度材料梁的固有频率和主振型。

• finally, many complex mode shape derivatives of high accuracy can be obtained by decomposing system matrices only once.

  该方法仅需进行一次系统矩阵的分解就可获得高精度的多个复振型导数。

• structural dynamical behavior becomes complicated when various dampings act on a real structural system simultaneously, and difficulty arises in calculating complex mode shape derivatives.

  采用模态加速和移频的思想发展了一种基于模态叠加的复振型导数计算方法。

• natural vibration characteristic of gun tube was analyzed triumphantly. vibration frequency and mode shape were obtained.

  对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。

• the natural frequency and mode shape are very important to design and operation.

  桥梁的基频和振型对于桥梁设计和运营中的桥梁来讲是非常重要的参数。

• the mode shape of the system is different from that of the structure on the fixed base in that there are rocking and swing at the foundation.

  体系的振型曲线与刚性地基上结构的振型曲线不同，基础处存在平动和转动。

• hereby, the change ratio of the first order mode shape is presented as the indicator for structure damage detection.

  提出以第一阶振型改变率作为结构损伤识别的标识量。

• the torsional response of the structure and influence of higher mode shape are assessed.

  研究了结构在强地震作用下的扭转效应和高阶振型对结构反应的影响。

• for this reason, a method for complex mode shape derivative calculation is developed based on modal superposition method with the idea of modal acceleration and shifted-pole.

  采用模态加速和移频的思想发展了一种基于模态叠加的复振型导数计算方法。