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无网格rKPM在滑动轴承润滑分析中的应用研究

张建平 蒋炎坤 刘欣 万里平

张建平, 蒋炎坤, 刘欣, 万里平. 无网格rKPM在滑动轴承润滑分析中的应用研究[J]. 机械科学与技术, 2014, 33(6): 834-839. doi: 10.13433/j.cnki.1003-8728.2014.0611
引用本文: 张建平, 蒋炎坤, 刘欣, 万里平. 无网格rKPM在滑动轴承润滑分析中的应用研究[J]. 机械科学与技术, 2014, 33(6): 834-839. doi: 10.13433/j.cnki.1003-8728.2014.0611
Zhang Jianping, Jiang Yankun, Liu Xin, Wan Liping. Study on Application of Meshless rKPM to Lubrication Analysis of Journal Bearing[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 834-839. doi: 10.13433/j.cnki.1003-8728.2014.0611
Citation: Zhang Jianping, Jiang Yankun, Liu Xin, Wan Liping. Study on Application of Meshless rKPM to Lubrication Analysis of Journal Bearing[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 834-839. doi: 10.13433/j.cnki.1003-8728.2014.0611

无网格rKPM在滑动轴承润滑分析中的应用研究

doi: 10.13433/j.cnki.1003-8728.2014.0611
基金项目: 

教育部留学归国人员科研启动基金项目(教外司留[2011]1139)

内燃机燃烧学国家重点实验室开放研究项目(K2012-08)资助

详细信息
    作者简介:

    张建平(1981-),讲师,博士研究生,研究方向为发动机摩擦学设计理论与CFD技术和CAE理论及结构优化,zhangjp@xtu.edu.Cn

    通讯作者:

    蒋炎坤,教授,博士,博士生导师,jykhust@mail.hust.edu.cn

Study on Application of Meshless rKPM to Lubrication Analysis of Journal Bearing

  • 摘要: 利用无网格重构核粒子法(rKPM)建立了动载荷径向滑动轴承润滑分析的计算模型,采用罚函数法施加Dirichlet本质边界条件,详细推导了基于无网格rKPM的动态reynolds方程的离散形式,并联立轴心轨迹运动方程,计算了油膜压力和非线性轴心轨迹。通过算例编程讨论了rKPM节点数及节点分布方式对油膜压力精度的影响,同时给出了罚因子的最佳取值范围为1.0×102~1.0×104,并进行了误差估计。结果表明:基于无网格rKPM的润滑计算模型无论节点规则分布还是随机分布,都能取得较高的精度,且计算精度随节点数增加而增大。
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出版历程
  • 收稿日期:  2012-09-07
  • 刊出日期:  2015-06-10

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