Modal Analysis of the Printed Circuit Board Based on Finite Element Method

被引：0

作者：

Ren Guoquan ^{[1
]}

Li Ben ^{[1
]}

Li Dongwei ^{[1
]}

Jiao Yingqi ^{[1
]}

机构：

[1] Ordnance Engn Coll, Shijiazhuang 050003, Hebei, Peoples R China

来源：

PROCEEDINGS OF THE 2014 INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND ELECTRONIC TECHNOLOGY | 2015年 / 6卷

关键词：

PCB; finite element; experiment modal analysis; parameter identification;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The printed circuit board (PCB) plays a vital role in modern electrical equipment and its reliability will affect electrics greatly. In order to study the vibration characteristics of the PCB, to guarantee its reliability, the finite element model of the PCB is established in ANSYS for the theory of modal analysis. Then, use the modal parameter identification technology to experiment modal analysis. The theoretical and experimental results are basically consistent. Under the premise of the correct model, quantitative analysis of the impact of a PCB thickness to its natural frequency is made in ANSYS. The research results show that the natural frequency of the PCB increases with the increase of the thickness, and the higher order leads to the faster growth, which will provide a reference for the PCB designing.

引用

页码：150 / 154

页数：5

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