Indexed by:期刊论文
Date of Publication:2015-06-15
Journal:固体火箭技术
Included Journals:EI、PKU、ISTIC、CSCD、Scopus
Volume:38
Issue:3
Page Number:401-406
ISSN No.:1006-2793
Key Words:梁超单元;超梁降阶模型;剪切变形;蒙皮加筋圆柱壳;频率分析
Abstract:在基于梁平截面假设的复杂结构动力模型降阶方法基础上，文章提出了建立梁超单元和超梁降阶模型的方法。通过对比考虑剪切变形的Timoshenko梁单元刚度阵，给出了梁超单元刚度矩阵的修正方法，提高了超梁降阶模型的计算精度。以蒙皮加筋圆柱壳为例，对比了超梁降阶模型与几种等效梁模型的频率分析结果。结果表明，超梁降阶模型建立方法灵活简单，具有较高的计算精度，能够为火箭结构动特性分析提供参考。
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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