Together with the FEM modal analysis of the car's roof panel and windscreen, an improved design is achieved to reduce the interior noise.
在结合声学试验分析和该车车顶棚、前风挡有限元模态分析的基础上，进行了针对降低车内噪声的改进设计。
First, using second constrain, the static state and dynamic analysis applied to the frame of a few thickness plates with FEM modal analysis, distortion, stress, vibration and frequency were gained.
首先在第二种约束方式下，利用有限元模态分析方法对几种不同板厚的机架进行了动、静态分析，得到了机架变形、应力及各阶振型与频率。
Some applications on fem in the micro loudspeaker modal analysis and the acoustic response simulation are introduced.
介绍了有限元法在微型扬声器振膜模态分析以及声响应分析中的一些应用。
Based on modal analysis of piezoelectric smart laminated plates, an FEM based inverse algorithm of the time history of impact loads by piezoelectric modal respondence is presented.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on the modal analysis of piezoelectric laminated plates, a FEM based inverse algorithm is presented for the time history of impact loads by piezoelectric modal response.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
The detailed finite element modal (FEM) of a locomotive body and the basic analysis process of the body are described.
通过介绍某机车车体详细的有限元模型，描述了对车体结构分析的基本过程。
Finally, the present method is applied to the modal identification from the I/O data of FEM dynamic analysis and on board measurement for a container ship.
最后以一货柜轮之有限元素动态分析模拟与实船量测结果为例进行船体整体振动之态特性识别。
The finite element model of the machine was setup by using FEM software ANSYS, and modal analysis was carried out.
采用有限元分析软件ANSYS建立TGK46100的有限元模型，并进行整机模态分析。
In this paper, the FEM and the experimental modal analysis techniques are employed to analyze the frequency response of the Fuel Rail Assembly. A simplification method is introduced.
采用有限元方法与模态试验技术，分析了燃油分配管总成的频率特性。
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.
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.
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。
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