复合材料层合板壳非线性力学的研究进展 
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英文篇名DEVELOPMENT OF NONLINEAR MECHANICS FOR LAMINATED COMPOSITE PLATES AND SHELLS
期刊名称力学学报
作者刘人怀; 薛江红
栏目创刊60周年专栏
摘要复合材料层合板壳是由多种组分材料组合而成。与单一材料的板壳结构相比,它无明确的材料主方向,各层间材料间断和不连续,具有明显的几何非线性和材料非线性等新的特点。其失效模式也远比单一材料的情况复杂,具有如基体开裂、脱胶、分层、分层裂纹偏转、多分层以及分层传播等多种模式。各国学者基于不同的考虑,提出了多种方法研究复合材料层合板壳的失效。首先,在简要介绍了层合板壳线性力学基本理论的基础上,重点回顾了层合板壳结构非线性力学几种基本理论发展的过程,主要阐述了经典大挠度非线性理论、一阶剪切变形理论、高阶剪切变形理论、锯齿理论、广义分层理论的理论体系及基本公式,并对几种理论之间的联系和差异进行了总结;其次,介绍了当前层合结构非线性领域的研究进展,综述了典型复合材料板壳结构的失效机理及优化设计、复合材料板壳结构在复杂环境下的破坏机理、复合材料板壳结构的物理非线性、含脱层纤维增强复合材料板壳结构的破坏机理等各研究热点的最新研究成果;最后,对该领域未来的研究方向进行了展望。
英文摘要Laminated composite plates and shells are made from a variety of materials. They have quite different mechanical features compared with those made of single material, such as uncertain principal direction of the material, discontinuity of material between layers, highly geometrical and material nonlinearity, etc. Their failure modes include matrix cracking, debonding, delamination, crack deflection, multi delamination and delamination propagation, which are much more complex than those of single material. Based on different considerations, various methods have been proposed by scholars from different countries to study the failure of laminated composite plates and shells. This paper summarizes the fundamental theory of linear mechanics and reviews the development of nonlinear theories for laminated plates and shells. In particularly, theoretical systems and basic formulas are expatiated for the classical nonlinear theory of large deformation, the first order shear deformation theory, the high order shear deformation theory, the zig-zag theory, and the layer-wise theory. The relevance and differences among these theories are stated. Current research progress in the field of nonlinear mechanics for laminated composite plates and shells are overviewed and the latest achievements are introduced in research hotspots regarding the failure mechanism and optimization design of typical laminated composite plates and shells, the failure mechanism of laminated composite plates and shells in complex environments, material nonlinearity of composite plates and shells, failure mechanism of fiber reinforced delaminated composite plates and shells, and so on. Based on the review, prospects for future research in the area of nonlinear mechanics of laminated composite plates and shells are proposed.
关键词复合材料; 层合板壳; 非线性力学
英文关键词composite materials; laminated plates and shells; nonlinear mechanics
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2017
49
3
开始页码487
结束页码506
DOI10.6052/0459-1879-16-253
基金项目国家自然科学基金资助项目(11032005)
点击率242
作者地址1. 暨南大学力学与建筑工程学院应用力学研究所, 广州 510632;
2. 暨南大学重大工程灾害与控制教育部重点实验室, 广州 510632
英文作者Liu Renhuai, Xue Jianghong
英文作者地址1. Institute of Applied Mechanics, College of Mechanics and Constructional Engineering, Jinan University, Guangzhou 510632, China;
2. Key Lab of Disaster Forecast and Control in Engineering of Ministry of Education, Jinan University, Guangzhou 510632, China

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