Giant Magnetostrictive Material Loudspeaker System Acoustic Radiation Simulation

被引：2
|
作者：
王睿
张永发
机构：
[1] Beijing 100081
[2] China
[3] School of Science Beijing Institute of Technology
来源：
Journal of Beijing Institute of Technology | 2008年 / 02期
关键词：
giant magnetostrictive material loudspeaker system; bending wave; wave number; mass surface density; acoustic radiation;
D O I：
10.15918/j.jbit1004-0579.2008.02.015
中图分类号：
O421.2 []; O441.2 [磁学];
学科分类号：
摘要：
An infinite panel model of giant magnetostrictive material loudspeaker system(GMMLS)is proposed by making use of finite element method(FEM).Bending wave eigenfunction is introduced to describe the acoustic radiation condition of the panel.Far-field response in different conditions is calculated by changing the mass surface density.Conclusion is obtained by analyzing the curves simulated,that panel which has larger mass surface density can hardly generate far-field acoustic radiation for lower frequency,while the panel has smaller mass surface density generates far-field acoustic radiation for lower frequency evenly and stronger.
引用
收藏
页码：237 / 240
页数：4
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