Title :
Numerical simulation of the dynamic characteristics of the ultra-thin gas flow at the head/disk interface of hard disk drives
Author :
Wei, Haodong ; Ao, Hongrui ; Jiang, Hongyuan
Author_Institution :
Sch. of Mechatron. Eng., Harbin Inst. of Technol., Harbin, China
Abstract :
The Dynamic characteristics of ultra-thin gas film at the head/disk interface of hard disk drives were studied numerically. The modified Reynolds equation for the description of the dynamic behavior of gas flow was solved by using an approach based on PDE module and iteration method. Two kinds of typical slider profiles were used to testify the proposed numerical methods. The simulation results show that the rail profile and the flying height of the slider have great impact on the dynamic characteristics of the slider of hard disk drives.
Keywords :
disc drives; flow; hard discs; iterative methods; numerical analysis; partial differential equations; thin films; PDE module; hard disk drives; head-disk interface; iteration method; modified Reynolds equation; numerical simulation; ultrathin gas flow; Convergence of numerical methods; Disk recording; Equations; Fluid flow; Hard disks; Magnetic heads; Magnetic levitation; Mechatronics; Numerical simulation; Rails; Ultra-thin film; gas flow; head/disk interface; numerical solution;
Conference_Titel :
Computer and Automation Engineering (ICCAE), 2010 The 2nd International Conference on
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-5585-0
Electronic_ISBN :
978-1-4244-5586-7
DOI :
10.1109/ICCAE.2010.5451455
