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http://dx.doi.org/10.22645/udi.2021.6.30.011

A Study on Bending Vibration of Laminated Rotating Disc  

Park, Sung-Jin (인천대학교 도시과학대학 도시공학과)
LEE, Seung-Hyeon (인천대학교 도시과학대학 도시건설공학과 대학원)
Publication Information
Journal of Urban Science / v.10, no.1, 2021 , pp. 11-20 More about this Journal
Abstract
In this study, the vibration characteristics were theoretically analyzed by modeling a free isotropic rotating disk with an outer periphery with a fixed inner periphery, paying attention to disks used as storage devices for information devices, especially magnetic disks, magneto-optical disks, and compact disks in which the head and disk are non-contact. Iluminate with Composite materials represented by fiber-reinforced plastics (FRP) have high specific strength (strength/density) and specific stiffness (narrowness/density). It is used in the elements, and its use is rapidly expanding. Under this circumstance, the disk currently manufactured using an isotropic material made of various plastic materials such as aluminum or polycarbonate as a base material is an extremely anisotropic material made of a composite material, and the circumferential stiffness of the disk is made of reinforcing fibers in the circumferential direction. It is modeled as an anisotropic rotating disk with increased, and its influence on the vibration characteristics is revealed.
Keywords
Rotating Disc; Laminated; Bengind Vibration;
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