| 无网格法及其在声场数值计算中的应用 |
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| 引用本文： | 王海涛,曾向阳.无网格法及其在声场数值计算中的应用[J].电声技术,2010,34(12):10-15. |
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| 作者姓名： | 王海涛 曾向阳 |
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| 作者单位： | 西北工业大学环境工程研究所,陕西西安,710072 |
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| 摘 要： | 无网格法是一种新兴的数值计算方法,具有独特的性质。简述了无网格法的理论基础及其所具有的优势,详细介绍了几种常用的无网格算法,并以移动最小二乘近似法为重点,对无网格法中的形函数构造作了详细论述。最后,分析了无网格法在小尺度封闭空间声场数值计算中的应用。
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| 关 键 词： | 无网格法 形函数 声场数值计算 |
Meshless Method and Its Application in the Numerical Calculation of Sound Field |
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| WANG Haitao,ZENG Xiangyang.Meshless Method and Its Application in the Numerical Calculation of Sound Field[J].Audio Engineering,2010,34(12):10-15. |
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| Authors: | WANG Haitao ZENG Xiangyang |
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| Affiliation: | (Institute of Environment Engineering,Northwestern Polytechnical University,Xi′an 710072,China) |
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| Abstract: | Meshless method is a kind of numerical approach which is developed in recent years.It has more special and excellent characteristics than the finite element method.In this paper,its basic principle and advan-tages are introduced.Some main meshless methods are introduced in detail.The constitution approaches of the shape function are analyzed with taking the moving least-square method as a key point.Finally,its applications in calculation of the sound field in small enclosure are discussed. |
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| Keywords: | meshless method shape function numerical calculation of sound field |
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