Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2017 , Vol. 51 >Issue 9: 1036 - 1042

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2017.09.003

 Optimal Design of Damping Material Configuration in Vehicle

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  •  State Key Laboratory of Mechanical System and Vibration; Shanghai Key Laboratory of Digital
     Manufacture for Thinwalled Structures, Shanghai Jiao Tong University, Shanghai 200030, China

Online published: 2017-09-20

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Abstract

 In order to consider the vehicle interior noise reduction, a finite element method (FEM)  model was established for a simple car. Sound pressure level (SPL) frequency response function was analyzed at low frequency phase. Four main peak frequencies in the range of 20Hz to 200Hz and those body panels contributions were focused. The layout of the damping materials was optimized. With the objective of minimizing the mass of damping material, and variables of the thickness of damping materials, by using Kriging metamodeling technique and particle swarm optimization (PSO), optimization method of damping configuration was proposed based on panel contribution. The mass of damping materials was reduced by 52.0% under the requirement that the SPL of peak frequencies did not increase, and the experiment was done to verify the effectiveness of the method.

Key words：  vehicle noise; damping material; panel contribution; optimization

Cite this article

ZHAO Jianxuan,WANG Zengwei,LIU Zhao,ZHU Ping .  Optimal Design of Damping Material Configuration in Vehicle[J]. Journal of Shanghai Jiaotong University, 2017 , 51(9) : 1036 -1042 . DOI: 10.16183/j.cnki.jsjtu.2017.09.003

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