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Article

Application of Optimization Approach to Static FE Analysis of Hard Disk Drive Slider

[+] Author and Article Information
Pyung Hwang

School of Mechanical Engineering, Yeungnam University, 214-1, Dae-dong, Gyongsan, Gyongbuk, 712-749, Koreae-mail: phwang@yumail.ac.kr

Polina V. Khan

Department of Mechanical Engineering, Yeungnam University, 214-1, Dae-dong, Gyongsan, Gyongbuk, 712-749, Koreae-mail: polina@yumail.ac.kr

J. Tribol 127(2), 387-393 (Apr 07, 2005) (7 pages) doi:10.1115/1.1843168 History: Received March 16, 2004; Revised September 21, 2004; Online April 07, 2005
Copyright © 2005 by ASME
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References

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Figures

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The coordinate system, attitude, radial position, and skew angle of the slider
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Air bearing surface for the femtoslider
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Mesh for the FE solution of the Reynolds equation
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Pressure distribution at the steady state attitude for the radial position 15 mm and zero skew angle, pmax≈5pa
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Flying height at the equilibrium for different skew angles and radial positions of the femtoslider
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Pitching angle at the equilibrium for different skew angles and radial positions of the femtoslider
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Rolling angle at the equilibrium for different skew angles and radial positions of the femtoslider
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Convergence history of the conjugate gradient method for different conditioning number of objective function Hessian matrix: (a) line search accuracy 0.001 and (b) line search accuracy 0.0001

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