Conservative Failure Criteria for Optimal Design of Composite Structures Including Effect of Shear Loading

被引：5

作者：

Satheesh, R. ^{[1
]}

Naik, G. Narayana ^{[1
]}

Ganguli, R. ^{[1
]}

机构：

[1] Indian Inst Sci, Dept Aerosp Engn, Bangalore 560012, Karnataka, India

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2012年 / 19卷 / 08期

关键词：

failure criteria; genetic algorithm; optimal design; conservative design; loading; micromechanics; OPTIMAL STACKING-SEQUENCE; GENETIC ALGORITHM; HELICOPTER ROTOR; PROGRESSIVE DAMAGE; OPTIMIZATION; LAMINATE; PLATES; BLADE; PANEL; SYSTEM;

D O I：

10.1080/15376494.2011.581408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A minimum weight design of laminated composite structures is carried out for different loading conditions and failure criteria using genetic algorithm. The phenomenological maximum stress (MS) and Tsai-Wu (TW) criteria and the micro-mechanism-based failure mechanism based (FMB) failure criteria are considered. A new failure envelope called the Most Conservative Failure Envelope (MCFE) is proposed by combining the three failure envelopes based on the lowest absolute values of the strengths predicted. The effect of shear loading on the MCFE is investigated. The interaction between the loading conditions, failure criteria, and strength-based optimal design is brought out.

引用

页码：625 / 640

页数：16

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