Modified least square finite difference method for solving the gas film lubrication equation in the head/disk interface

被引：0
|
作者：
T. Y. Yang
B. J. Shi
P. Q. Ge
X. Bai
机构：
[1] Shandong University,Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, School of Mechanical Engineering
[2] Shandong Jianzhu University,School of Mechanical and Electronic Engineering
来源：
Computational Mechanics | 2013年 / 52卷
关键词：
Least square finite difference; Gas film lubrication; Head/ disk interface; Air bearing surface;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A modified least square finite difference (LSFD) method is proposed to solve the gas film lubrication equation in the head/disk interface in hard disk drives (HDDs). In the modified LSFD scheme, around a reference node there are 24 regular distribution supporting points, and a new scaling matrix is used to replace the one used in the general LSFD method. A least square technique is used to smooth the first-order derivative of flying height where discontinuities occur. Numerical examples show that the modified LSFD method can overcome divergence problem of the general LSFD method in complicated cases and has higher computational efficiency.
引用
收藏
页码：485 / 497
页数：12
相关论文
共 50 条
  • [1] Modified least square finite difference method for solving the gas film lubrication equation in the head/disk interface
    Yang, T. Y.
    Shi, B. J.
    Ge, P. Q.
    Bai, X.
    COMPUTATIONAL MECHANICS, 2013, 52 (03) : 485 - 497
  • [2] Numerical analysis of the lubrication performances for ultra-thin gas film lubrication of magnetic head/disk with a new finite difference method
    Huang, Ping
    Wang, Hongzhi
    Xu, Langui
    Meng, Yonggang
    Wen, Shizhu
    Proceedings of the ASME Tribology Division - 2005, 2005, : 203 - 206
  • [3] AVERAGED REYNOLDS EQUATION BASED ON THE HOMOGENIZATION THEORY FOR GAS FILM LUBRICATION IN THE HEAD/DISK INTERFACE
    Yang, Ting-Yi
    Shi, Bao-Jun
    Ge, Pei-Qi
    Shu, Dong-Wei
    PROCEEDINGS OF THE ASME CONFERENCE ON INFORMATION STORAGE AND PROCESSING SYSTEMS, 2014, 2014,
  • [4] Numerical solution of Reynolds' equation for ultra-thin gas film lubrication at the head/disk interface
    Wei, Hao-Dong
    Ao, Hong-Rui
    Jiang, Hong-Yuan
    Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology, 2009, 41 (09): : 33 - 37
  • [5] SIMPLIFIED SECOND ORDER REYNOLDS EQUATION FOR SIMULATING ULTRATHIN GAS FILM LUBRICATION IN THE HEAD/DISK INTERFACE
    Shi, Bao-Jun
    Ji, Jia-Dong
    Yang, Ting-Yi
    Li, Longqiu
    Zhang, Chuanwei
    PROCEEDINGS OF THE ASME CONFERENCE ON INFORMATION STORAGE AND PROCESSING SYSTEMS, 2014, 2014,
  • [6] A modified slip model for gas lubrication at nanoscale head-disk interface
    Zhou, Weidong
    Yu, Shengkai
    Hua, Wei
    Myo, Kyaw Sett
    PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2013, 227 (12) : 1367 - 1375
  • [7] Squeeze film effect and hydrodynamics for ultra-thin gas film lubrication at the head/disk interface in hard disk drives
    Wei, Hao-Dong
    Ao, Hong-Rui
    Jiang, Hong-Yuan
    Mocaxue Xuebao/Tribology, 2010, 30 (05): : 505 - 512
  • [8] Reduced-order with least square-finite difference method for neutron transport equation
    Chi, Honghang
    Wang, Yahui
    Ma, Yu
    ANNALS OF NUCLEAR ENERGY, 2023, 191
  • [9] Solving Reynolds Equation in the Head-Disk Interface of Hard Disk Drives by Using a Mesh less Method
    Shi Bao-Jun
    Yang Ting-Yi
    Zhang Jian
    Du Yun-Dong
    ISCM II AND EPMESC XII, PTS 1 AND 2, 2010, 1233 : 1172 - +
  • [10] Characteristic Analysis of Ultrathin Film Gas Lubrication Based on Modified Reynolds Equation in Hard Disk Drive
    Niu Rongjun
    Liu Hongbin
    Huang Ping
    CCDC 2009: 21ST CHINESE CONTROL AND DECISION CONFERENCE, VOLS 1-6, PROCEEDINGS, 2009, : 4426 - +
12345