首先回顾经典的位移展开定理和模态叠加原理。
The classical displacement expansion theorem and the modal aggregation principle are discussed at the beginning of the paper.
应用模态叠加法研究了用粘弹性阻尼控制加筋板的稳态简谐响应。
The viscoelastic damping control of steady-state harmonic response of stiffened plate is studied by using modal superposition method.
对于转子系统非线性动力学问题，直接积分法比模态叠加法更为有效。
With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method.
首先，应用有限元方法，基于曲率模态叠加原理计算曲率，进而计算应变、应力。
Firstly, with the curvature modal superposition method, the dynamic stress responses is calculated.
分别采用直接法和模态叠加法，计算声场-结构耦合系统的声压响应水平及其敏度。
The modal frequency response and its sensitivity analysis for the coupled system using the direct method and the eigenmodes.
有许多可能性的模态叠加呈现。这里有展示他们使用CSS转换和动画的一些现代的方式。
There are many possibilities for modal overlays to appear. Here are some modern ways of showing them using CSS transitions and animations.
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 second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
最后进行了动态分析，对冲击载荷进行了研究，采用模态叠加法对典型工艺的动态响应进行计算。
Finally, in dynamic research, the impulsive loads of the frame are studied and dynamic response of the typical process is calculated and analyzed with modal superposition method.
为了预测车轮辐射的滚动噪声，本文建立了车轮有限元模型，对车轮进行了模态分析，并运用模态叠加方法计算了车轮的径向导纳。
To predict the wheel's noise radiation, a FEM analysis model of the wheel is developed. Based on the modal superposition method, the radial receptance of the wheel is calculated.
将增量模态叠加法和伪并行改进遗传算法相结合，解决了冲击隔离系统限位器参数的优化问题，这对于冲击隔离系统的优化设计具有重要的实际意义。
IMSP and PPIGA have been combined to solve the optimization problem of the displacement restrictor parameters, which is significant for the optimization design of the shock isolation system.
目前对此虽然已经有较多研究成果发表，但多数以简支桥梁为研究对象，采用效率不高的数值方法或者解析方法求解随机响应，分析过程中普遍采用模态叠加法。
Some research papers have been published. However, most of these papers used relatively simple bridge models and adopted analytical solution or inefficient numerical method to get stochastic response.
所示的激励激起了所有阶模态，因此就一般情况下，响应是输入激励激发起来的所有阶模态的线性叠加。
The excitation shown causes all the modes to be activated and therefore, the response is, in general, the linear superposition of all the modes that are activated by the input excitation.
此理论将声场表示成各种共振再辐射模态的叠加，从振动的角度揭示声-振耦合机理。
The theories express the sound fields by a superposition of various resonance reradiation modes and reveal the vibro-acoustic coupling mechanism in viewpoint of vibration.
其基本思想是：结构在承受动态载荷的作用时，其应变场可用所谓“固有的模态应变场”按某种比例的叠加来表达。
The basic idea is that the strain field response can be regard as a superposition of the so called strain modes multiplied by corresponding time-dependent modal coordinate.
从产品已知条件出发，利用有限元、模态综合法和振型叠加法等理论，探索出求产品脆值的新方法。
Based on Known conditions of the product, by using the FE? Modal synthesis and vibration modal congruence theories, this article explores a new product frailty solution.
因此基于结构的振动是多个振动模态按一定比例线性的叠加的理论基础，提出了一种新型传感器，分布式光纤曲率模态传感器用于薄结构的振动测量。
Based on practical structure can be regarded as the stack of multiple vibration mode, a new concept of modal curvature sensors with optical fiber is proposed to measure vibration mode.
盒子本身包含的内容你读或与这（我相信这将是所谓的模态对话框”……它也可以被称为模态“叠加”?）。
There's the box itself that contains the content you read or interact with this (I believe this would be called the modal "dialog"…can it also be called the modal "overlay"?).
在此基础上提出结构总的背景响应和总共振响应可以分别采用各自主要参振模态的SRSS组合结果再叠加强模态耦合项的贡献得到。
The total wind induced background and resonant response can be obtained by the superposition of dominant-coupling modals and SRSS results of each dominant modals.
在此基础上提出结构总的背景响应和总共振响应可以分别采用各自主要参振模态的SRSS组合结果再叠加强模态耦合项的贡献得到。
The total wind induced background and resonant response can be obtained by the superposition of dominant-coupling modals and SRSS results of each dominant modals.
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