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《IFEM on Structural Exterior Acoustic Fields Analysis》
LI Li-jun;LI Hong-yan;CHAI Shan;GANG Xian-yue
2010, 30 (3):
27-30.
DOI: 10.3969/j.issn.1006-1355.2010.03.008
Recently, the Infinite Element Method (IEM) is applied to the acoustic field analysis gradually. In this paper, basic theory of IEM is studied; the advantages and disadvantages of BEM (Boundary Element Method) and IEM are compared. The factors related to convergent precision of IEM are analyzed. Several important parameters and concepts of IEM, including the origin of coordinate system, the order of IEM, and vectors of coordinates, are introduced. The conclusions of IEM are presented for acoustic field analysis.
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