Dynamic Stability of a 2" Floppy Disk-Head-Stabilizer Assembly

This paper presents a study on the dynamic stability of a 2" floppy disk-head-stabilizer assembly. The effect on the disk stability of the air film stiffness between the disk and the head-stabilizer system is studied. Next, the disk shock response to the half-sine axial and pitching acceleratio...

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Veröffentlicht in:	TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1996/04/25, Vol.62(596), pp.1446-1453
Hauptverfasser:	CHONAN, Seiji, JIANG, Zhong wei, INATA, Masahiro
Format:	Artikel
Sprache:	eng ; jpn
Schlagworte:	2" Floppy Disk Air Film Stiffness Dynamic Stability Galerkin Method Half-Sine Shock Pulse Newmark β Method Stabilizer
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container_title	TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
container_volume	62
creator	CHONAN, Seiji JIANG, Zhong wei INATA, Masahiro
description	This paper presents a study on the dynamic stability of a 2" floppy disk-head-stabilizer assembly. The effect on the disk stability of the air film stiffness between the disk and the head-stabilizer system is studied. Next, the disk shock response to the half-sine axial and pitching acceleration is investigated in detail. A solution is obtained by introducing the multimodal expansion approximation and applying the Galerkin method to the governing equations of the system and is calculated numerically by introducing the Newmark β method. The obtained results show that the stability of the disk is strongly affected by the air film stiffness between the disk and the head-stabilizer system. Furthermore, the maximum disk displacement takes the peak value when the duration of acceleration input is about 1 to 10 times the half-period of the fundamental (0, 0) mode. A significant decrease of peak displacement with an increase of the air film stiffness is also revealed.
doi_str_mv	10.1299/kikaic.62.1446
format	Article
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The effect on the disk stability of the air film stiffness between the disk and the head-stabilizer system is studied. Next, the disk shock response to the half-sine axial and pitching acceleration is investigated in detail. A solution is obtained by introducing the multimodal expansion approximation and applying the Galerkin method to the governing equations of the system and is calculated numerically by introducing the Newmark β method. The obtained results show that the stability of the disk is strongly affected by the air film stiffness between the disk and the head-stabilizer system. Furthermore, the maximum disk displacement takes the peak value when the duration of acceleration input is about 1 to 10 times the half-period of the fundamental (0, 0) mode. 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language	eng ; jpn
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source	J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects	2" Floppy Disk Air Film Stiffness Dynamic Stability Galerkin Method Half-Sine Shock Pulse Newmark β Method Stabilizer
title	Dynamic Stability of a 2" Floppy Disk-Head-Stabilizer Assembly
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