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KSME international journal v.16 no.8, 2002년, pp.1102 - 1108   피인용횟수: 2

Topological Design Sensitivity on the Air Bearing Surface of Head Slider

Yoon, Sang-Joon   (Center of Innovative Design Optimilzation Technology, Hanyang UniversityUU0001519  ); Kim, Min-Soo   (Center of Innovative Design Optimilzation Technology, Hanyang UniversityUU0001519  ); Park, Dong-Hoon   (Center of Innovative Design Optimilzation Technology, Hanyang UniversityUU0001519  );
  • 초록

    In this study, a topological design sensitivity of the ai. bearing surface (ABS) is suggested by using an adjoint variable method. The discrete form of the generalized lubrication equation based on a control volume formulation is used as a compatible condition. A residual function of the slider is considered as an equality constraint function, which represents the slider in equilibrium. The slider thickness parameters at all grid cells are chosen as design variables since they are the topological parameters determining the ABS shape. Then, a complicated adjoint variable equation is formulated to directly handle the highly nonlinear and asymmetric coefficient matrix and vector in the discrete system equation of air-lubricated slider bearings. An alternating direction implicit (ADI) scheme is utilized for the numerical calculation. This is an efficient iterative solver to solve large-scale problem in special band storage. Then, a computer program is developed and applied to a slider model of a sophisticated shape. The simulation results of design sensitivity analysis (DSA) are directly compared with those of FDM at the randomly selected grid cells to show the effectiveness of the proposed approach. The overall distribution of DSA results are reported, clearly showing the region on the ABS where special attention should be given during the manufacturing process.


  • 주제어

    Design Sensitivity Analysis(DSA) .   Air Bearing Surface(ABS).  

  • 참고문헌 (13)

    1. Yoon, S.-J. and Choi, D. -H., 1997, 'An Optimum Design of the Transverse Pressure Contour Slider for Enhanced Flywheel Characteristics,' ASME Journal of Tribology, Vol. 119, No. 3, pp. 520-524 
    2. Yoon, S. -J. and Choi, D. -H., 1995, 'Design Optimization of the Taper-Flat Slider Positioned by a Rotary Actuator,' ASME Journal of Tribology, Vol. 117, No. 4, pp. 588-593 
    3. O'Hara, M. A., Hu, Y. and Bogy, D. B., 1996, 'Effects of Slider Sensitivity Optimization,' IEEE Transactions on Magnetics, Vol. 32, No. 5, pp. 3744-3746 
    4. Patankar, S. V., 1980, Numerical Heat Transfer and Fluid Flow, McGraw-Hill, New York 
    5. Lu, S., Hu, Y., O'Hara, M. A., Bogy, D. B., Bhatia, C. S. and Hsia, Y. -T., 1996, 'Air Bearing Design, Optimization, Stability Analysis and Verification for Sub-25nm Flying,' IEEE Transactions on Magnetics, Vol. 32, No. 1, pp. 103-109 
    6. O'Hara, M. A. and Bogy, D. B., 1995, 'Robust Design Optimization Techniques for Ultra-Low Flying Sliders,' IEEE Transactions on Magnetics, Vol. 31, pp. 2955-2957 
    7. Kang, T. -S. and Choi, D. -H., 2001, 'Optimal Design of HDD Air-Lubricated Slider Bearings for Improving Dynamic Characteristics and Operating Performance,' ASME Journal of Tribology, Vol. 123, pp. 541-547 
    8. Haftka, R. T. and Gurdal, Z., 1992, Elements of Structural Optimization, 3rd Revised and Expanded Edition, Kluwer Academic Publishers 
    9. Hu, Y. and Bogy, D. B., 1998, 'Solution of the Rarefied Gas Lubrication Equation Using an Additive Correction Based Multigrid Control Volume Method,' ASME Journal of Tribology, Vol. 120, pp. 280-288 
    10. Choi, D.-H. and Yoon, S. -J., 1994, 'Static Analysis of Flying Characteristics of the Head Slider by Using an Optimization Technique,' ASME Journal of Tribology, Vol. 116, pp. 90-94 
    11. Fukui, S. and Kaneko, R., 1988, 'Analysis of Ultra-Thin Gas Film Lubrication Based on Linearized Boltzmann Equation : First Report-Derivation of a Generalized Lubrication Equation Including Thermal Creep Flow,' ASME Journal of Tribology, Vol. 110, pp. 253-262 
    12. Fukui, S. and Kaneko, R., 1990, 'A Database for Interpolation of Poiseuille Flow Rates for High Knudsen Number Lubrication Problems,' ASME Journal of Tribology, Vol. 112, pp. 78-83 
    13. Choi, D. -H. and Kang, T. -S., 1999, 'An Optimization Method for Design of the Subambient Pressure Shaped Rail Sliders,' ASME Journal of Tribology, Vol. 121, pp. 575-580 
  • 이 논문을 인용한 문헌 (2)

    1. 2004. "" KSME international journal, 18(10): 1722~1729     
    2. 2006. "" Journal of mechanical science and technology, 20(10): 1590~1606     

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  • 윤상준 (12)

    1. 1991 "회전 구동용 헤드 슬라이더의 부상높이에 관한 연구" 大韓機械學會論文集 15 (6): 1886~1896    
    2. 1992 "최적화 기법을 이용한 HDD용 헤드 슬라이더의 부상상태 해석" 윤활학회지 = Journal of the Korean Society of Tribologists and Lubrication Engineers 8 (2): 26~34    
    3. 1995 "제로-로드 슬라이더의 부상특성에 관한 연구" 윤활학회지 = Journal of the Korean Society of Tribologists and Lubrication Engineers 11 (2): 15~23    
    4. 2003 "축소기초모델개념을 이용한 공기윤활 슬라이더 베어링의 최적설계" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A 27 (3): 343~348    
    5. 2003 "근접장 기록을 위한 부상형 광학 헤드의 최적설계" 한국소음진동공학회논문집 = Transactions of the Korean society for noise and vibration engineering 13 (10): 785~790    
    6. 2004 "Head Slider Designs Using Approximation Methods" KSME international journal 18 (1): 37~44    
    7. 2004 "신뢰성 향상을 위한 HDD용 헤드 슬라이더의 형상최적설계" 한국소음진동공학회논문집 = Transactions of the Korean society for noise and vibration engineering 14 (8): 695~701    
    8. 2004 "Reliability-Based Design Optimization of Slider Air Bearings" KSME international journal 18 (10): 1722~1729    
    9. 2005 "EMDIOS를 이용한 Optical Flying Head의 형상 최적설계" 정보저장시스템학회논문집 = Transactions of the society of information storage systems 1 (1): 67~72    
    10. 2005 "수직이착륙기의 착륙접근시 단일엔진고장 및 비행전이 영역 해석" 韓國航空宇宙學會誌 = Journal of the Korean society for aeronautical & space sciences 33 (5): 50~56    
  • Kim, Min-Soo (3)

  • Park, Dong-Hoon (9)

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