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VIBRATION ANALYSIS OF THREE-LAYERED FUNCTIONALLY GRADED CYLINDRICAL SHELLS WITH ISOTROPIC MIDDLE LAYER RESTING ON WINKLER AND PASTERNAK FOUNDATIONS

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Title: VIBRATION ANALYSIS OF THREE-LAYERED FUNCTIONALLY GRADED CYLINDRICAL SHELLS WITH ISOTROPIC MIDDLE LAYER RESTING ON WINKLER AND PASTERNAK FOUNDATIONS

Authors: A.G. Shah

Journal: Pakistan Journal of Science (PJS)

HEC Recognition History
Category From To
Y 2024-10-01 2025-12-31
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2020-07-01 2021-06-30
Y 1900-01-01 2005-06-30

Publisher: Advance Educational Institute & Research Centre

Country: Pakistan

Year: 2013

Volume: 65

Issue: 2

Language: English

DOI: 10.57041/pjs.v65i2.704

Keywords: Wave propagation methodVibrationFunctionally graded cylindrical shellLove’s theoryWinkler and Pasternak foundations

Categories
Structural Engineering (725) Acoustics (269) Vibration Analysis (79) Continuum Mechanics (9) Mechanical Engineering (4477)

Abstract

Vibration characteristics of a cylindrical shell composed of three layers are investigated. The inner and outer layers of cylindrical shell are functionally graded materials wheremiddle layer is of isotropic material. Love shell equations are used to study the vibration problem. The expressions for moduli of the Winkler and Pasternak foundations are combined with the shell dynamical equations. The wave propagation technique is used to solve the present shell problem. Ab number of comparisons of numerical results are performed to check the validity and accuracy of the present approach.

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