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Analysis of Power Flow of Floating Raft with Multi-exciters by FEM
Author(s): 
Pages: 684-691
Year: Issue:  6
Journal: Journal of Ship Mechanics

Keyword:  floating raftpower flowmulti-excitersphase differenceadmittancefour-end parameterFEM;
Abstract: 以船用浮筏为研究对象,在有限元方法的基础上,提出了利用四端参数法计算输入上层隔振器功率流、利用导纳法计算输入基座功率流的研究方法,并结合单自由度隔振系统验证了方法的准确性.利用该方法计算分析了扰动特性相同以及扰动特性不同的两设备激励力同的相位关系对输入基座功率流的影响.计算结果表明当设备的扰动特性相同时,相位关系对功率流的影响较为复杂,且影响不容忽视;当相位差为π时对应的低频段功率流最小.当两设备...
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