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矩形液箱内液体晃动分析计算

, PP. 74-77

Keywords: 矩形液箱,液体晃动,速度势,有限元

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Abstract:

应用速度势原理,推导矩形液箱内液体振动的特征方程,编制相应有限元程序,计算获得液体表面单元的质量矩阵和液体内部单元刚度矩阵.以双层底液舱为模型,分析液体晃动频率与充液高度的关系.结果表明,计算结果与解析解吻合较好.

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