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has been cited by the following article:

• TITLE: Numerical Investigation of Flow Structure Interaction Coupling Effects in Hard Disk Drives

  AUTHORS: Eddie Yin-Kwee Ng, Qing Ren Teo, Ning Yu Liu

  KEYWORDS: Hard Disk Drives; Coupling Method; Modeling; Simulation and Optimization; FSI

  JOURNAL NAME: World Journal of Mechanics, Vol.2 No.1, February 29, 2012

  ABSTRACT: This paper studies the flow structural interaction (FSI) within a hard disk drive (HDD) through the use of a novel coupling method. The interaction studied was the fluid induced vibration in the HDD. A two step coupling approach was used, where the fluid and structural components were solved sequentially. The result obtained was a ratio of 0.65 between the vibration amplitudes of a fixed head stack assembly (HSA) and a moving HSA. The ratio was next applied on a real 3.5 inch HDD, to allow the parameter to be further improved upon. A new benchmark index of 0.69 was developed from this. This parameter may allow future researchers to model the out of plane vibrations of a HSA easily, saving precious time. A 31% more accurate simulation of FSI within 3.5 inch HDD at 15000 rpm is achieved by the use of this new coupling method and benchmark index.