模态分析法的英文

例句与用法

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1. And the seismic response of the eccentric structure with viscous dampers is calculated by using the complex modal method . the numerical results show that the method is simple , clear , exact , reliable and suited to be generalized in design
   并利用复模态分析法进行了具有粘滞阻尼器偏心结构的地震响应分析，计算结果表明该方法简便明了、准确可靠，适于在设计中推广。
2. Finally , the random vibration analysis of the signal transform device is presented . experimental modal analysis is discussed briefly . the reasons why the relays on the printed circuit board were destroyed under random acceleration excitations are found out
   本文最后对信号变换装置进行了随机振动响应分析，简要探讨了实验模态分析法，找出了装在印制电路板上的继电器在随机振动试验中被损坏的原因，也介绍了结构动力模型修正技术的发展。
3. Its main contents is as follow : firstly , it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly , the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally , computer simulation is applied to get the displacement , velocity , acceleration and tension of the anyplace on the scraper conveyor for the four special working condition
   其主要内容如下：用有限元方法建立了刮板输送机子系统及整个系统的离散体动力学模型；应用模态分析法求解系统的固有频率和振型；对四种非稳定工况下的动态特性进行计算机仿真，得出整个刮板输送机在任意点的位移、速度、加速度和动张力。
4. In frequency - domain , the background mode that has the most contribution to the buffeting energy of the structure is calculated using the background modal analysis method , thus the rms of the dynamic responses of long - span grid roofs is obtained . on the other hand , the rms of the dynamic responses is also obtained by direct integral method in time - domain . after the comparison of the results of two methods , several important conclusions can be made
   在频域内，采用背景模态分析法，通过计算得到对结构振动能量贡献最大的一阶背景模态，从而得到结构脉动响应的均方根值；在时域内，采用直接积分法求出结构响应的时间历程，并且通过统计，同样得到结构脉动响应的均方根值。