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Title:Analysis and Design of Nonlinearly Constrained Dynamic Systems
Author(s):Chen, Shanshin
Doctoral Committee Chair(s):David A. Tortorelli
Department / Program:Mechanical Engineering
Discipline:Mechanical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Engineering, Civil
Abstract:In this manuscript, rigid body and elastodynamic systems are considered separately. A unifying formulation, i.e. one that augments rigid body formulations with flexible members, is not pursued due to that fact that the rigid body formulations described herein, exhibit recursive behavior, which augmented with flexibility effects, do not account for geometric stiffening effects. The introduction of flexibility drastically increases the number of degrees of freedom and destroys the recursive nature and fine-grain parallelism of the problem. As a result, algorithms that are best suited to the study of rigid body systems are no longer computationally efficient. Instead, a total Lagrangian approach based on constrained nonlinear elasticity is pursued to study flexible multibody systems. In the finite element formulation of this approach, domain decomposition is used to exploit course-grain parallelism.
Issue Date:2000
Type:Text
Language:English
Description:99 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2000.
URI:http://hdl.handle.net/2142/84005
Other Identifier(s):(MiAaPQ)AAI9989958
Date Available in IDEALS:2015-09-25
Date Deposited:2000


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