境界要素法を用いたエンクロージャの内部-外部空間連成系の三次元音場解析

概要

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The method of analysis of three dimenional sound field coupled between inner and outer space separated at an enclosure is developed by using the three demensional Boundary Element Method (BEM) for the object evaluating the method of reducing the sound noise generated by machines. Though the analysis of two dimensional sound field of it had already been developed and the features had been shown by authers the actual sound field is not two dimensional but three dimensional and the obtained results by two dimensional analysis is only available to estimate the feature of actual sound field qualitatively. Then, the three dimensional analysis is developed to estimate the feature of actual sound field quantitatively and the differences of results of analysis between two dimensional and three dimensional analysis are discussed.
一般社団法人日本機械学会の論文
1998-05-25