王立峰
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周期胞元平面桁架结构等效动力学分析
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Affiliation of Author(s):航空学院

Journal:振动工程学报

Key Words:结构动力学;平面桁架;周期胞元;连续体;能量等效;

Abstract:基于能量等效研究了周期胞元构成的平面桁架结构等效动力学建模问题。通过相邻胞元应变协调条件,将胞元的应变场阶次降阶为Timoshenko梁对应的应变场阶次。根据周期胞元的中心位移,获得胞元应变能与动能,进而利用Hamilton原理得到平面桁架结构等效连续体动力学方程。基于等效连续体模型和有限元模型,对周期胞元桁架结构进行了固有特性分析,验证了等效连续体模型的正确性和精度。

Translation or Not:no

Date of Publication:2018-02-15

Co-author:柳剑波,Jin Dongping

Correspondence Author:Jin Dongping,WANG Lifeng

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Professor
Supervisor of Doctorate Candidates

Main positions:航空航天结构力学及控制全国重点实验室副主任

Other Post:中国振动工程学会动力学载荷与设计专业委员会主任

Gender:Male

Alma Mater:南京航空航天大学

Education Level:Postgraduate (Doctoral)

Degree:Doctoral Degree in Science

School/Department:College of Aerospace Engineering

Discipline:Engineering Mechanics. General and Fundamental Mechanics. Engineering Mechanics

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