Dynamic analysis of composite plates subjected to multi-moving loads based on a third order theory

被引：45

作者：

Lee, SY ^{[1
]}

Yhim, SS

机构：

[1] MIT, Dept Civil & Environm Engn, Cambridge, MA 02139 USA

[2] Seoul Natl Univ, Dept Civil Engn, Seoul 130743, South Korea

来源：

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2004年 / 41卷 / 16-17期

关键词：

composite materials; moving loads; finite element analysis; third order plate theory;

D O I：

10.1016/j.ijsolstr.2004.03.021

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This study reports on a dynamic analysis of single and two-span continuous composite plate structures subjected to multi-moving loads. Third order transverse shear deformation and rotary inertia in laminated composite plates under the moving loads are studied. The 7-DOF finite element model of composite plate described in this paper may allow us not only to determine the dynamic response under the moving loads but also to analyze the influences on dynamic behavior of different plate theories, layup sequences, and boundaries. The numerical results demonstrate significant effects of the ply angles on the dynamic behaviors of composite structures under the moving loads as well as the criticality of the third order shear deformation theory (TSDT) from the standpoints of computational accuracy. Furthermore, the results reported in this paper show the interactions between ply angels and moving velocities. Key observation points are discussed and a brief design guideline is given. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：4457 / 4472

页数：16

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