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超声系统辐射声场的研究

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2010-11-08

Journal: 机械设计与制造

Included Journals: ISTIC、PKU

Issue: 11

Page Number: 194-196

ISSN: 1001-3997

Key Words: 直接边界元;谐响应分析;超声系统;辐射声场;近场悬浮

Abstract: 研究了用于声场分布的直接边界元法.采用ANSYS对超声系统进行模态分析和谐响应分析,利用SYSNOISE实现边界元法计算了超声系统辐射声场,得到了矩形变幅杆的表面声压和辐射声场,并与理论值比较,验证了边界元的正确性.结果表明,利用边界元方法能为用于近场悬浮现象的超声系统设计提供理论依据和参考.

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