Modal Analysis On Flexible Plate Structure Using Finite Element Analysis

Mohd Hafeez, Awang Hamat (2009) Modal Analysis On Flexible Plate Structure Using Finite Element Analysis. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Flexible structures are commonly use in aircraft manufacturing as a main part of the plane structure. Plane structure plays an important role in producing a safety for the plane. Due to the safety, dynamic behaviors of the structure mostly are the first to analyze. Modal analysis is the method that be used to determine dynamic characteristics of the structure. In modal analysis studied, modal parameter like frequency, damping ratio and mode shape of the structure will be defined. These parameters are known as dynamic characteristics. It very significant to know the dynamic characteristics of the structure because dynamics load acting on an aircraft during flight will be encourages the onset of the structure damage such as flutter and resonance. This paper will discuss about finite element analysis on flexible rectangular plate structure using finite element analysis software that is MSC NATRAN PASTRAN. This software will apply finite element method analysis to the plate then the data will compare with experimental value and finite difference method analysis that have been done by other researcher.

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