非协调和杂交有限元的理论和应用——纪念恩师吴长春教授  

THEORY AND APPLICATIONS OF INCOMPATIBLE AND HYBRID ELEMENT METHOD—IN MEMORY OF PROF.WU CHANGCHUN

作　　者：黄颖青 肖奇志 冯淼林[3] 陈海波[1] Huang Yingqing;Xiao Qizhi;Feng Miaolin;Chen Haibo(CAS Key Laboratory of Mechanical behavior and Design of Materials,Department of Modern Mechanics,University of Science and Technology of China,Hefei 230027,China;LUSAS,Forge House,66 High Street,Kingston upon Thames,KT11HN,UK;Department of Engineering Mechanics,Shanghai Jiao Tong University,Shanghai 200030,China)

机构地区：[1]中国科学院材料力学行为和设计重点实验室,中国科学技术大学近代力学系,合肥230027 [2]LUSAS,Forge House,66 High Street,Kingston upon Thames,KT11HN,UK [3]上海交通大学工程力学系,上海200030

出　　处：《力学学报》2021年第1期293-297,共5页Chinese Journal of Theoretical and Applied Mechanics

摘　　要：本纪念文介绍了吴长春教授在计算力学领域的主要学术贡献,重点介绍了他在非协调和杂交有限元的理论和应用方面的开创性工作,他发展的构造非协调插值函数的一般公式以及杂交应力元优化方法至今仍是发展高性能有限元的重要工具,经常被同行引用.This memorial paper gives an overview of Prof.Wu Changchun’s main contributions to computational mechanics,especially his pioneering work on the incompatible and hybrid element method and its applications.The general formula for the incompatible shape functions and the optimization design method for hybrid stress elements proposed by Prof.Wu are still important means to develop high performance finite elements and are cited by peers constantly.

关 键 词：非协调元 杂交元 分片试验 罚平衡 单元优化设计 

分 类 号：O302[理学—力学]