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基于MPS-FEM耦合方法对比研究刚性与弹性挡板对液舱晃荡的抑制作用

张友林 陈翔 万德成

张友林, 陈翔, 万德成. 基于MPS-FEM耦合方法对比研究刚性与弹性挡板对液舱晃荡的抑制作用[J]. 应用数学和力学, 2016, 37(12): 1359-1377. doi: 10.21656/1000-0887.370514
引用本文: 张友林, 陈翔, 万德成. 基于MPS-FEM耦合方法对比研究刚性与弹性挡板对液舱晃荡的抑制作用[J]. 应用数学和力学, 2016, 37(12): 1359-1377. doi: 10.21656/1000-0887.370514
ZHANG You-lin, CHEN Xiang, WAN De-cheng. An MPS-FEM Coupled Method for the Comparative Study of Liquid Sloshing Flows Interacting With Rigid and Elastic Baffles[J]. Applied Mathematics and Mechanics, 2016, 37(12): 1359-1377. doi: 10.21656/1000-0887.370514
Citation: ZHANG You-lin, CHEN Xiang, WAN De-cheng. An MPS-FEM Coupled Method for the Comparative Study of Liquid Sloshing Flows Interacting With Rigid and Elastic Baffles[J]. Applied Mathematics and Mechanics, 2016, 37(12): 1359-1377. doi: 10.21656/1000-0887.370514

基于MPS-FEM耦合方法对比研究刚性与弹性挡板对液舱晃荡的抑制作用

doi: 10.21656/1000-0887.370514
基金项目: 国家自然科学基金(51379125; 51490675; 11432009; 51579145; 11272120);长江学者奖励计划(T2014099)
详细信息
    作者简介:

    万德成,E-mail: dcwan@sjtu.edu.cn

  • 中图分类号: O35; U663

An MPS-FEM Coupled Method for the Comparative Study of Liquid Sloshing Flows Interacting With Rigid and Elastic Baffles

Funds: National Natural Science Foundation of China(51379125; 51490675; 11432009; 51579145; 11272120) and the Chang Jiang Scholars Program of China(T2014099)
  • 摘要: 由流体冲击载荷引起的流固耦合问题广泛存在于船舶与海洋工程领域.例如:在特定激励频率下载液货舱内流体的非线性运动引起对舱壁的砰击作用,进而可能影响液舱围护系统的安全性.由于此类流固耦合问题通常涉及多学科知识,且流体自由面的变化具有强非线性特征,对研究人员带来较大挑战.考虑到Lagrange类方法在处理结构和流体自由面大变形问题上的优势,基于MPS-FEM耦合方法开发了流固耦合求解器.其中,采用MPS方法来数值模拟流体场瞬态变化,FEM方法来分析结构场的变形问题.此外,该求解器采用了弱耦合的方式来实现流体场和结构场之间的数据传递.为了验证该方法在处理流固耦合问题上的可靠性,首先数值研究了溃坝泄洪流与弹性挡板之间的流固耦合标准算例,数值结果与实验标准结果能够较好地吻合.此后,采用该求解器数值研究了带刚性挡板和弹性挡板的液舱晃荡问题,对比分析了多种激励频率下两种挡板对液舱内流体运动及舱壁上冲击压力的抑制效果.
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出版历程
  • 收稿日期:  2016-11-26
  • 修回日期:  2016-12-07
  • 刊出日期:  2016-12-15

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