A Wave Based Method for Three Dimensional Steady-State Sound Radiation Analysis in a Broad Frequency Range

被引:0
|
作者
Li, Zhijiang [1 ]
Peng, Weicai [1 ]
He, Zeng [1 ]
机构
[1] Huazhong Univ Sci & Technol, Coll Civil Engn & Mech, Wuhan 430074, Peoples R China
来源
ADVANCES IN VIBRATION ENGINEERING | 2011年 / 10卷 / 03期
基金
中国国家自然科学基金;
关键词
Sound radiation; Unbounded domains; Trefftz method; Numerical prediction technique; ACOUSTIC RADIATION;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Wave Based Method (WBM) applies similar methodologies as for the FE schemes for tackling problems in unbounded domains. A truncation surface is introduced which divides the unbounded domain into two regions, a bounded region and an unbounded region. The bounded region is partitioned into convex subdomains. Selection of appropriate wave functions within subdomains and enforcement of continuity conditions over the truncation surface between the bounded and unbounded region, yields a WB model which can be solved for the associated wave function contribution factors. Application of the proposed approach to various validation examples illustrates an enhanced computational efficiency as compared with element-based methods.
引用
收藏
页码:251 / 260
页数:10
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