Effect of boundary conditions and non-uniform edge loads on buckling characteristics of laminated composite panels with and without cutout

This paper investigates the nonlinear vibration responses of laminated composite conical shells surrounded by elastic foundations under S-S and C-C boundary conditions via an approximate approach. The laminated composite conical shells are modeled based on classical shell theory of Love employing von Karman nonlinear theory. Nonlinear vibration equation of the conical shells is extracted by handling Lagrange method. The linear and nonlinear vibration responses are obtained via an approximate method which combines Lindstedt-Poincare method with modal analysis. The validation of this study is carried out through the comparison of the results of this study with results of published literature. The effects of several parameters including the constants of elastic foundations, boundary conditions, total thickness, length, large edge radius and semi-vertex angle on the values of fundamental linear frequency and curves of amplitude parameter versus nonlinear frequency ratio for laminated composite conical shells with both S-S and C-C boundary conditions are investigated.

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Buckling behaviour of laminated composite skew plates with various boundary conditions subjected to linearly varying in-plane edge loading

International Journal of Mechanical Sciences ◽

10.1016/j.ijmecsci.2015.06.018 ◽

2015 ◽

Vol 100 ◽

pp. 136-144 ◽

Cited By ~ 11

Author(s):

Abhinav Kumar ◽

S.K. Panda ◽

Rajesh Kumar

Keyword(s):

Boundary Conditions ◽

Laminated Composite ◽

Various Boundary Conditions ◽

Edge Loading

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Properties of Laminated Composite Panels Made from Fast-Growing Species Glued with Mangium Tannin Adhesive

BioResources ◽

10.15376/biores.11.3.5949-5960 ◽

2016 ◽

Vol 11 (3) ◽

Cited By ~ 3

Author(s):

Jessica Hendrik ◽

Yusuf Sudo Hadi ◽

Muh Yusram Massijaya ◽

Adi Santoso

Keyword(s):

Laminated Composite ◽

Composite Panels ◽

Tannin Adhesive ◽

Fast Growing ◽

Fast Growing Species

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Vibration Analysis of Laminated Composite Rectangular Plates With General Boundary Conditions

ASME 2018 Noise Control and Acoustics Division Session presented at INTERNOISE 2018 ◽

10.1115/ncad2018-6106 ◽

2018 ◽

Cited By ~ 1

Author(s):

Yu Fu ◽

Jianjun Yao ◽

Zhenshuai Wan ◽

Gang Zhao

Keyword(s):

Boundary Conditions ◽

Vibration Analysis ◽

Ritz Method ◽

Laminated Composite ◽

Free Vibration Analysis ◽

Geometric Parameters ◽

General Boundary ◽

Rectangular Plates ◽

General Boundary Conditions ◽

Benchmark Solutions

In this investigation, the free vibration analysis of laminated composite rectangular plates with general boundary conditions is performed with a modified Fourier series method. Vibration characteristics of the plates have been obtained via an energy function represented in the general coordinates, in which the displacement and rotation in each direction is described as an improved form of double Fourier cosine series and several closed-form auxiliary functions to eliminate any possible jumps and boundary discontinuities. All the expansion coefficients are then treated as the generalized coordinates and determined by Rayleigh-Ritz method. The convergence and reliability of the current method are verified by comparing with the results in the literature and those of Finite Element Analysis. The effects of boundary conditions and geometric parameters on the frequencies are discussed as well. Finally, numerous new results for laminated composite rectangular plates with different geometric parameters are presented for various boundary conditions, which may serve as benchmark solutions for future research.

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