Buckling analysis of angle-ply multilayered and sandwich plates using the enhanced Refined Zigzag Theory The paper is dedicated to the 100th birthday of Professor UIo Lepik

被引：3

作者：

Sorrenti, Marco ^{[1
]}

Gherlone, Marco ^{[1
]}

Di Sciuva, Matteo ^{[2
]}

机构：

[1] Politecn Torino, Dept Mech & Aerosp Engn, Corso Duca Abruzzi 24, I-10129 Turin, Italy

[2] Politecn Torino, Dept Mech & Aerosp Engn, Aircraft Struct, Corso Duca Abruzzi 24, I-10129 Turin, Italy

来源：

PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES | 2022年 / 71卷 / 01期

关键词：

Refined Zigzag Theory; angle-ply multilayered plates; sandwich plates; warping shear functions; buckling; Ritz method; LAMINATED PLATES; SHEAR DEFORMATION; BEAM ELEMENT; COMPOSITE; VIBRATION; STABILITY; MODELS;

D O I：

10.3176/proc.2022.1.08

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The recent enhancement of the standard Refined Zigzag Theory (RZT), herein named the enhanced Refined Zigzag Theory (en-RZT), has extended the range of applicability of the RZT to angle-ply multilayered and sandwich plates. The aim of the present investigation is to assess the numerical performances of the en-RZT for the buckling analysis of angle-ply multilayered and sandwich rectangular plates under in-plane normal loads. The linearized stability equations are obtained using the Ritz method in conjunction with the principle of virtual work, by means of Gram-Schmidt orthogonal polynomials. In order to assess the accuracy of the en-RZT, buckling loads of angle-ply laminated and sandwich plates are evaluated and compared with the numerical results available in open literature. The numerical investigation highlights the high accuracy of the en-RZT in predicting buckling loads. The study contains a parametric analysis aimed to investigate the influence of various design parameters, such as plate aspect ratio, thickness, lamina orientations, in-plane load combinations and boundary conditions on the buckling loads.

引用

页码：84 / 102

页数：19

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