Peng Hao
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弹簧组件对大型弹性整流罩分离动力学的影响
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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

Volume:38

Issue:3

Page Number:326-331

ISSN No.:1006-2793

Key Words:整流罩分离;显式动力学;呼吸变形;弹簧组件;地面试验

Abstract:大型整流罩仿真分析与试验预示是国内新一代运载火箭研制过程中的关键技术。采用高精度非线性显式动力学分析方法,对某大型弹性整流罩有无导向孔的2种设计方案分别进行显式动力学分析,比较了2种方案的分离特性及罩内可用包络空间,分析了弹簧顶杆与导向孔等的接触作用对整流罩分离的影响,并结合原型整流罩地面分离试验对仿真结果进行了对比验证。计算结果表明,含导向孔的整流罩分离速度更快,呼吸变形更小,弹簧顶杆与整流罩的接触作用能有效地限制整流罩的呼吸变形。试验结果验证了数值分析结果,这对新一代运载火箭的研制具有一定参考价值。

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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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