隔振系统布置及振动相位对基础响应影响的研究

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隔振系统布置及振动相位对基础响应影响的研究

【英文篇名】	Research of Affect of Isolation System′s Location and Excited Phase on Vibration Response of Foundation
【作者中文名】	[url=]宋玉超[/url]; [url=]于洪亮[/url];
【作者英文名】	[url=]SONG Yu-Chao[/url]; [url=]YU Hong-Liang（Engineering College[/url]; [url=]Dalian Maritime University[/url]; [url=]Dalian Liaoning 116026[/url]; [url=]China）[/url];
【作者单位】	[url=]大连海事大学轮机工程学院[/url];
【文献出处】	噪声与振动控制, Noise and Vibration Control, 编辑部邮箱 2008年 05期   期刊荣誉：中文核心期刊要目总览  ASPT来源刊  CJFD收录刊
【关键词】	[url=]振动与波[/url]; [url=]隔振系统[/url]; [url=]基础响应[/url]; [url=]初相位[/url]; [url=]位置[/url]; [url=]有限元仿真[/url];
【英文关键词】	[url=]vibration and wave[/url]; [url=]isolation system[/url]; [url=]response of foundation[/url]; [url=]initial phase[/url]; [url=]location[/url]; [url=]finite element simulation[/url];
【摘要】	对带有多个隔振系统的简支梁,利用四端参数法结合数学推导得出基础梁的位移响应表达式,指出隔振系统的坐落位置和机器的振动初相位是分析基础响应时不可忽略的因素。并利用有限元仿真建模对基础上坐落单个隔振系统和两个隔振系统的情况进行分析。结果表明:单个隔振系统坐落在基础梁中部时,基础梁的响应最大,算例中的响应位移极值比达到8.02;不同振动相位的两个隔振系统的激励在基础上叠加时,基础响应峰值差在17%以上;初相位会改变基础的波动表现形式。
【英文摘要】	The four-end parameter method was used to analyze the vibration response of a foundation beam with isolation systems attached to it.The formula of displacement response of the foundation was derived.It was pointed out that the locations of isolation system and the initial phase of the machine were important factors for analyzing foundation s response.Cases of the single isolation system and a couple of isolation systems attached to the foundation were analyzed by means of the finite element method.Simulatio...