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Wei Zhang

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:University of Leeds
Degree:Doctoral Degree
School/Department:Department of Engineering Mechanics
Discipline:Engineering Mechanics. Biomechanics and Nanomechanics. Materials Physics and Chemistry
Business Address:Bldg.of Engineering Mechanics, Rm407
Contact Information:wei.zhang@dlut.edu.cn
E-Mail:wei.zhang@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

多体系统中位移近似与模型修正

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Indexed by:期刊论文

Date of Publication:2001-04-10

Journal:大连理工大学学报

Included Journals:PKU、CSCD

Volume:41

Issue:2

Page Number:149-151

ISSN No.:1000-8608

Key Words:模型问题;约束/多体系统

Abstract:在建立多体系统动力学模型过程中,根据系统广义坐标的取值范围可以给出位移矢量的合理近似,但按照近似位移求得的速度和加速度却往往没有合理的精度,从而造成系统动力学模型的误差.利用约束的力学性质将系统位移所在的空间分解为互相正交的子空间,通过研究系统速度和加速度在这两个子空间的性质,提出了修正系统动力学模型的有效方法.