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Issue:
MOBILITY OF A FINITE LONG AND THIN CYLINDRICAL SHELL SUBJECTED TO COMPLEX EXCITATION
Author(s):
Zheng Ji-zhou
,
Cheng Lin
,
Zhang Shu-sheng
,
Song Kong-jie
Pages:
120
-
123
Year:
2007
Issue:
3
Journal:
JOURNAL OF VIBRATION AND SHOCK
Keyword:
导纳
;
薄壁圆柱壳体
;
复杂激励
;
隔振
;
Abstract:
导纳是衡量结构动态特性的重要指标,任何结构的振动响应特性本质上都可以用结构表面各点的导纳来表示.从经典的薄壁壳体振动方程出发,推导出有限长薄壁圆柱壳体在复杂激励下的驱动点导纳解析表达式,并对控制壳体振动响应的潜在机理进行了研究.结果发现,耦合导纳对输入壳体的振动能量可能起着重要作用.所给出的薄壁圆柱壳体导纳公式,可直接用于薄壁壳体基础上的主被动隔振研究.
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