基于无网格方法的耳膜传导振动分析

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振动与冲击 ›› 2009, Vol. 28 ›› Issue (2) : 92-95.

论文

基于无网格方法的耳膜传导振动分析

李武1，姚文娟1，黄新生2，李晓青1

作者信息 +

Analysis on conductive vibration of tympanic membrane based on the meshless method

LI Wu1，YAO Wen-juan1， HUANG Xin-sheng 2，LI Xiao-qing1

Author information +

文章历史 +

摘要

耳膜的病变常常引起传导性耳聋，因此，耳膜的声音传导力学行为已引起人们的关注。耳膜为生理性非均质材料，有限元模拟计算中，需要对不同单元进行材料赋值，由于单元与单元交界处材料性能的突变而引起计算误差。本文基于无网格数值方法分析耳膜，同时将无网格数值方法计算结果和有限元计算结果及实验所得结果相比较，结果表明无网格方法在生理性非均匀介质模拟计算中是可行的，对耳膜振幅模拟是更有效的。

Abstract

The mechanical character of acoustic conduction for tympanic membrane(TM) was concerned since ear disease often resulted in conductive deafness. As TM belongs to physiologic anisotropic material, different material value should be given to corresponding element in finite element method (FEM), therefore, computing error are aroused due to the mutation of material character in the interface of different element. In this paper, TM is analyzed based on the meshless method(MM), and the results of the MM are compared with that of FEM and experiments as well. The results show that meshless method (MM) is feasible in simulating physiologic anisotropic material, and it is also more effective when calculating the amplitude of TM.

导出引用

李武;姚文娟;黄新生;李晓青. 基于无网格方法的耳膜传导振动分析[J]. 振动与冲击, 2009, 28(2): 92-95

LI Wu;YAO Wen-juan;HUANG Xin-sheng;LI Xiao-qing. Analysis on conductive vibration of tympanic membrane based on the meshless method[J]. Journal of Vibration and Shock, 2009, 28(2): 92-95

中图分类号： O313