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vortex-induced vibration of bridges
释义
vortex-induced vibration of bridges
Encyclopedia
工学
桥梁结构设计
释
vortex-induced vibration of bridges
桥梁涡振
气流绕过一般为非流线型断面的桥梁结构时,会在上下表面发生交替脱落的涡旋或流动分离,激发结构按照固有振动频率和振型产生振动,而振动起来的结构反过来又影响旋涡的形成和脱落,并形成等幅振动现象。
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