Simulation of temperature around laser-heating media in heat-assisted magnetic recording

Zhang, Guoqing; Li, Hui; Shen, Shengnan; Jin, Lei; Zheng, Hao; Wu, Shijing

doi:10.1007/s00542-015-2654-9

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Cited by 6 publications

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“…MODELING PROCEDURE A geometrical model of a 2.5 in HDD with HGA positioned at the middle diameter, which was built in [16], is shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

Simulation of HGA Vibration Characteristics Inside the Helium-Filled Hard Disk Drive

Zhang

Shen

et al. 2016

IEEE Trans. Magn.

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The reliability and stability of hard disk drives (HDDs) are especially important as the areal recording density is rapidly increasing and target to 10 Tb/in 2 in the future. The vibrations of the head gimbals assembly (HGA) are inevitable by internal fluid flow and external shock impulses. In this paper, a 3-D finite-element model of an HDD is developed. The internal flow-induced HGA vibrations are investigated by a fluid-structure interaction approach. The external shock-induced vibrations of HGA are also analyzed. The investigated filling gases in the HDD include air and helium.Index Terms-Flow-induced vibration, fluid-structure interaction (FSI), helium-filled drive, shock response.

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“…MODELING PROCEDURE A geometrical model of a 2.5 in HDD with HGA positioned at the middle diameter, which was built in [16], is shown in Fig. 1.…”

Section: Introductionmentioning

confidence: 99%