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基于浸入边界-有限元法的流固耦合碰撞数值模拟方法

杨明 刘巨保 岳欠杯 丁宇奇 姚利明

杨明, 刘巨保, 岳欠杯, 丁宇奇, 姚利明. 基于浸入边界-有限元法的流固耦合碰撞数值模拟方法[J]. 应用数学和力学, 2019, 40(8): 880-892. doi: 10.21656/1000-0887.400053
引用本文: 杨明, 刘巨保, 岳欠杯, 丁宇奇, 姚利明. 基于浸入边界-有限元法的流固耦合碰撞数值模拟方法[J]. 应用数学和力学, 2019, 40(8): 880-892. doi: 10.21656/1000-0887.400053
YANG Ming, LIU Jubao, YUE Qianbei, DING Yuqi, YAO Liming. Numerical Simulation of Fluid-Solid Coupling Collision Based on the Finite Element Immersed Boundary Method[J]. Applied Mathematics and Mechanics, 2019, 40(8): 880-892. doi: 10.21656/1000-0887.400053
Citation: YANG Ming, LIU Jubao, YUE Qianbei, DING Yuqi, YAO Liming. Numerical Simulation of Fluid-Solid Coupling Collision Based on the Finite Element Immersed Boundary Method[J]. Applied Mathematics and Mechanics, 2019, 40(8): 880-892. doi: 10.21656/1000-0887.400053

基于浸入边界-有限元法的流固耦合碰撞数值模拟方法

doi: 10.21656/1000-0887.400053
基金项目: 国家自然科学基金(51604080;11502051);黑龙江省留学回国人员择优资助项目(2017QD0033);中国石油科技创新基金(2017D5007-0610);黑龙江省博士后资助项目(LBH-Z17037);中国博士后科学基金(2017M621240);黑龙江省国家自然科学青年基金培育基金(2017PYQZL-09);黑龙江省高校青年创新培养计划(UPYSCT-2018045)
详细信息
    作者简介:

    杨明(1985—),男,博士生(E-mail: jslx2019@163.com);刘巨保(1963—),男,教授,博士,博士生导师(通讯作者. E-mail: jslx2000@163.com).

  • 中图分类号: O352; O347.1

Numerical Simulation of Fluid-Solid Coupling Collision Based on the Finite Element Immersed Boundary Method

Funds: The National Natural Science Foundation of China(51604080;11502051)
  • 摘要: 针对流固耦合碰撞问题,建立了流体中固体与固体碰撞界面解析直接模拟方法,采用清晰界面浸入边界法模拟流体中的动边界问题,避免了传统贴体网格方法在求解流体中存在固体间碰撞问题时网格出现负体积的问题,采用基于罚函数的有限元方法对固体的运动和碰撞进行求解,以分域耦合方式实现流体域和固体域的耦合求解.通过与静止流体中球形颗粒与壁面正碰撞和斜碰撞的实验数据对比,验证了建立的数值模拟方法对流体中固体与固体碰撞数值模拟的正确性,获得了流体域流场在碰撞前后随时间的变化,同时通过该文建立的数值模拟方法也获得了固体域中固体的碰撞力和应力.未来,将把该数值模拟方法应用到流体流动环境中,如固体颗粒对管道的冲蚀、流体诱导海洋立管之间的碰撞、坠物对海底管道的撞击等.
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出版历程
  • 收稿日期:  2019-02-18
  • 修回日期:  2019-03-24
  • 刊出日期:  2019-08-01

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