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| Optimizing design of micro-structural configurations of periodic porous sound-absorbing materials |
| Received:October 10, 2011 Revised:March 20, 2012 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx201301008 |
| KeyWord:porous materials sound-absorption optimal design finite element method |
| Author | Institution |
| 陈文炯 |
大连理工大学 工业装备结构分析国家重点实验室 工程力学系,大连 |
| 刘书田 |
大连理工大学 工业装备结构分析国家重点实验室 工程力学系,大连 |
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| Abstract: |
| Sound absorption performance of the porous materials is closely related to micro-structural configurations and porosity.In this paper,results from finite element method examining micro-/macro relations linking micro-structural configurations to sound absorption properties are presented.Based on the influences of shape,porosity and size of pore on the sound-absorbing property,theories and methods for designing the microstructural configurations of materials exhibiting high-efficient soundproofing property in a specific frequency are established.Some high performance soundproofing micro-structural configurations are given out through optimal design. |