Peng Hao
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考虑几何缺陷的轴压双层蒙皮加筋柱壳结构设计
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Indexed by:期刊论文

Date of Publication:2018-01-01

Journal:中国科学. 物理学, 力学, 天文学

Included Journals:CSCD

Volume:48

Issue:1

Page Number:014608

ISSN No.:1674-7275

Key Words:双层蒙皮网格加筋结构; 屈曲; 缺陷敏感性分析; 轴压承载力

Abstract:将点阵结构引入薄壁简壳结构的壁面构型中,构建双层蒙皮加筋柱壳结构.应用点阵结构的高比刚度、高比强度等优良力学性能,提高薄壁简壳结构的轴压极限承载
   力.双层蒙皮网格加筋柱壳结构是在传统网格加筋结构的内侧增加一层蒙皮,使得该网格加筋结构的横截面为"工"字型,提高了该结构抗弯刚度,进而提高了结构
   的轴压承载力.针对双层蒙皮网格加筋结构,本文开展了基于模态缺陷和基于单点凹陷的缺陷敏感性分析,对比分析双层蒙皮网格加筋结构与传统网格加筋结构的轴
   压承载效率.结果显示双层蒙皮网格加筋结构较传统结构具有显著的高承载力优点.进一步,本文给出了考虑几何缺陷的轴压双层蒙皮加筋柱壳结构的优化设计,最
   优设计有效地提高了结构折减因子,提高了结构抗缺陷能力.

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Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions:Professor

Other Post:工程力学系主任

Gender:Male

Alma Mater:Dalian University of Technology

Degree:Doctoral Degree

School/Department:Department of Engineering Mechanics, State Key Laboratory of Structural Analysis for Industrial Equipment

Discipline:Solid Mechanics. Aerospace Mechanics and Engineering. Computational Mechanics. Engineering Mechanics

Contact Information:haopeng@dlut.edu.cn

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