Analysis of the absorption characteristics of the multiple-layered material anechoic coating based on COMSOL
英文摘要：Since the poor property of multiple-Layered material cylindrical-hole layer absorption coating at low lowfrequency,the COMSOL finite element model of multiple-layered material cylindrical-hole layer absorption coating was built. The finite element model was test to analyze the absorption characteristics by using the waveguide finite elementtransfer matrix method. The calculation results indicate that the curve of the theoretical calculation and numerical simulations was roughly the same so the finite element model is valid.By the analysis of the finite element,the absorption characteristics of this kind of the multi-layer material structure are superior to the monolayer material structure. Besides, the future acoustic optimization is guided by the influence of absorption effect of the different punching rate,lossfactors,Young modulus.
2016,38(4): 33-37 收稿日期：2016-01-08
DOI：10.3404/j.issn.1672-7619.2016.04.007
分类号：O429;O427.5;O427.1
基金项目：国家自然科学基金资助项目(51179197);国家自然科学基金青年基金资助项目(51509253)
作者简介：刘国强(1991-),男,硕士研究生,研究方向为舰船振动与噪声控制。
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