STABILITY ANALYSIS OF PERIODIC SOLUTIONS FOR FLEXIBLE MULTIBODY DYNAMICS

被引：0
|
作者：
Han, Shilei [1 ]
Bauchau, Olivier A. [1 ]
机构：
[1] Univ Maryland, Dept Aerosp Engn, College Pk, MD 20742 USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2019, VOL 6 | 2020年
关键词：
SYSTEMS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Discontinuous Galerkin formulation is developed for stability analysis of periodic solutions of flexible multibody dynamics. The proposed approach takes rigid-body motions of each structural nodes as the unknowns. The rigid-body motions are interpolated by using dual spherical linear interpolation (dual-SLERP). The analysis is composed of two steps: (1) the periodic solution is obtained by solving nonlinear equations resulting from Galerkin method; (2) a linearization about the periodic solution leads to a periodic linear system and its stability is assessed by using Floquet's method.
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页数：10
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