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Study on Vibration Analysis of a Multistory Building for Twisted Plates

Author(s):

Parul Jaiswal , NRI Institute of Research & Technology; Prof. Thakur Ramjiram Singh, NRI Institute of Research & Technology; Prof. Kamlesh Saha, NRI IST, BHOPAL

Keywords:

Vibration, Multistory Building, Twisted Plates

Abstract

Materials find applications in space antennae, aerospace structures and ship structures. For high temperature applications, the functionally graded material gives good performance compared to the laminated composite materials. The twisted plates have various applications in the power generation field such as generator and turbine blades. Due to light weight and high stifiness properties, the Functionally Graded Materials are economical as they require less power. Many of these plates are subjected to high temperature environment in these applications; hence functionally graded material is a good alternative to metal plates. The present paper will explore the free vibration behavior of thin twisted functionally graded material (FGM) plates. The vibration analysis is done using finite element method. An 8 noded shell element is used for finite element calculations. To model the FGM section, continuous variation in the material property along the thickness is approximated to a laminated composite section consisting of a number of layers and each layer is considered as isotropic. The material property in each layer is determined using power law. Material density, Youngs modulus and Poissons ratio change along the thickness based on power law. The first order shear deformation theory is used in the analysis of pretwisted FGM plate.

Other Details

Paper ID: IJSRDV8I10541
Published in: Volume : 8, Issue : 1
Publication Date: 01/04/2020
Page(s): 1291-1293

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