Buckling analysis of rectangular composite plates with rectangular cutout subjected to linearly varying in-plane loading using fem

被引：30

作者：

Narayana, A. Lakshmi ^{[1
]}

Rao, Krishnamohana ^{[2
]}

Kumar, R. Vijaya ^{[1
]}

机构：

[1] Hindustan Aeronaut Ltd, Rotary Wing Res & Design Ctr, Bangalore 560017, Karnataka, India

[2] JNTUH, Dept Mech Engn, Hyderabad 500085, Andhra Pradesh, India

来源：

SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES | 2014年 / 39卷 / 03期

关键词：

Buckling; rectangular cutout; linearly varying in-plane load; boundary conditions symmetrically laminated rectangular composite plates; finite element analysis; quasi-isotropic; GENERAL BOUNDARY-CONDITIONS; LAMINATED PLATES; POSTBUCKLING RESPONSE; BEHAVIOR; OPTIMIZATION; PANELS; COMPRESSION; STABILITY; SHEAR;

D O I：

10.1007/s12046-014-0250-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A numerical study is carried out using finite element method, to examine the effects of square and rectangular cutout on the buckling behavior of a sixteen ply quasi-isotropic graphite/epoxy symmetrically laminated rectangular composite plate [0 degrees/+45 degrees/-45 degrees/90 degrees](2s), subjected to various linearly varying in-plane compressive loads. Further, this paper addresses the effects of size of square/rectangular cutout, orientation of square/rectangular cutout, plate aspect ratio(a/b), plate length/thickness ratio(a/t), boundary conditions on the buckling bahaviour of symmetrically laminated rectangular composite plates subjected to various linearly varying in-plane compressive loading. It is observed that the various linearly varying in-plane loads and boundary conditions have a substantial influence on buckling strength of rectangular composite plate with square/rectangular cutout.

引用

页码：583 / 596

页数：14

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