Modeling of delamination buckling in composite cylindrical shells with a new higher-order theory

Aditi Chattopadhyay; Haozhong Gu

doi:10.1016/0266-3538(95)00054-2

Modeling of delamination buckling in composite cylindrical shells with a new higher-order theory

Aditi Chattopadhyay, Haozhong Gu

Mechanical and Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A higher-order shear deformation theory has been employed for evaluating accurately the transverse shear effects in delamination buckling of cylindrical shells under axial compression. The governing differential equations of the present theory are obtained by applying the principle of the stationary value of the total potential. The Rayleigh-Ritz method is used to solve the equations by assuming a double Fourier expansion of the displacements with trigonometric coordinate functions. Numerical results for linear delamination buckling of axially compressed cylindrical shells with clamped ends are presented to validate the theory. Comparisons are made with the classical laminate theory and first-order theory results.

Original language	English (US)
Pages (from-to)	223-232
Number of pages	10
Journal	Composites Science and Technology
Volume	54
Issue number	2
DOIs	https://doi.org/10.1016/0266-3538(95)00054-2
State	Published - 1995

Keywords

buckling
composites
cylindrical shells
delamination
higher-order theory

ASJC Scopus subject areas

Ceramics and Composites
General Engineering

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10.1016/0266-3538(95)00054-2

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title = "Modeling of delamination buckling in composite cylindrical shells with a new higher-order theory",

abstract = "A higher-order shear deformation theory has been employed for evaluating accurately the transverse shear effects in delamination buckling of cylindrical shells under axial compression. The governing differential equations of the present theory are obtained by applying the principle of the stationary value of the total potential. The Rayleigh-Ritz method is used to solve the equations by assuming a double Fourier expansion of the displacements with trigonometric coordinate functions. Numerical results for linear delamination buckling of axially compressed cylindrical shells with clamped ends are presented to validate the theory. Comparisons are made with the classical laminate theory and first-order theory results.",

keywords = "buckling, composites, cylindrical shells, delamination, higher-order theory",

author = "Aditi Chattopadhyay and Haozhong Gu",

note = "Funding Information: The research was supported by the US Army ResearchO ffice under grant number DAAHO4-93-G-0043.T echnical monitor: Dr Gary Anderson.",

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T1 - Modeling of delamination buckling in composite cylindrical shells with a new higher-order theory

AU - Chattopadhyay, Aditi

AU - Gu, Haozhong

N1 - Funding Information: The research was supported by the US Army ResearchO ffice under grant number DAAHO4-93-G-0043.T echnical monitor: Dr Gary Anderson.

PY - 1995

Y1 - 1995

N2 - A higher-order shear deformation theory has been employed for evaluating accurately the transverse shear effects in delamination buckling of cylindrical shells under axial compression. The governing differential equations of the present theory are obtained by applying the principle of the stationary value of the total potential. The Rayleigh-Ritz method is used to solve the equations by assuming a double Fourier expansion of the displacements with trigonometric coordinate functions. Numerical results for linear delamination buckling of axially compressed cylindrical shells with clamped ends are presented to validate the theory. Comparisons are made with the classical laminate theory and first-order theory results.

AB - A higher-order shear deformation theory has been employed for evaluating accurately the transverse shear effects in delamination buckling of cylindrical shells under axial compression. The governing differential equations of the present theory are obtained by applying the principle of the stationary value of the total potential. The Rayleigh-Ritz method is used to solve the equations by assuming a double Fourier expansion of the displacements with trigonometric coordinate functions. Numerical results for linear delamination buckling of axially compressed cylindrical shells with clamped ends are presented to validate the theory. Comparisons are made with the classical laminate theory and first-order theory results.

KW - buckling

KW - composites

KW - cylindrical shells

KW - delamination

KW - higher-order theory

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Modeling of delamination buckling in composite cylindrical shells with a new higher-order theory

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