주변 음장과 연동하는 탄성 구조체의 감쇠 효과Damping Effects of a Flexible Structure Interacting with Surrounding Acoustic Fluid

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A flexible structure submerged in acoustic fluid is affected by its surrounding fluid. In transient response of a submerged structure, the coupled effect between structures and surrounding fluid emerges as damping and added mass at early and late time, respectively. Therefore, the characteristics of submerged structure such as natural frequencies and damping coefficients are changed by its surrounding fluid. In this paper, the analytic modal equation of a spherical shell surrounded by water and air is dealt with. Through the example, the damping coefficients and natural frequencies of flexible structures are studied for various external acoustic fluid and structures.
Publisher
한국소음진동공학회
Issue Date
2008-04-17
Language
KOR
Citation

한국소음진동공학회 2008년 춘계학술대회, pp.101 - 105

URI
http://hdl.handle.net/10203/162914
Appears in Collection
ME-Conference Papers(학술회의논문)ME-Conference Papers(학술회의논문)
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