Nonlinear forced vibrations of laminated composite conical shells by using a refined shear deformation theory

被引：54

作者：

Amabili, Marco ^{[1
]}

Balasubramanian, Prabakaran ^{[1
]}

机构：

[1] McGill Univ, Dept Mech Engn, Macdonald Engn Bldg,817 Sherbrooke St West, Montreal, PQ H3A 0C3, Canada

来源：

COMPOSITE STRUCTURES | 2020年 / 249卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Laminated composite shell; Conical shell; Shear deformation theory; Nonlinear vibrations; Lamination sequence; CIRCULAR CYLINDRICAL-SHELLS; DYNAMIC-ANALYSIS; STABILITY;

D O I：

10.1016/j.compstruct.2020.112522

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Nonlinear forced vibrations of laminated composite conical shells are investigated by using a higher-order shear deformation theory that includes rotary inertia and geometric nonlinearity in all the kinematic parame-ters. The system was discretized by using trigonometric expansions. The convergence of the solutions was stud-ied versus the number of degrees of freedom retained in the model. The nonlinear vibration response of laminated composite conical shells to harmonic excitation was studied for different cone angles: hardening and softening response were found according to the geometry. Due to the axial symmetry, a one-to-one internal resonance appeared, as well as quasi-period vibrations. The effect of different lamination sequences on the non-linear forced vibration response was investigated.

引用

页数：10

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