Application of Nonlinear Localization to Engineering Structures
Nayfeh, Tariq Ali
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https://hdl.handle.net/2142/83977
Description
Title
Application of Nonlinear Localization to Engineering Structures
Author(s)
Nayfeh, Tariq Ali
Issue Date
1998
Doctoral Committee Chair(s)
Vakakis, Alexander F.
Department of Study
Mechanical Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
We develop a practical approach to adding passive nonlinear elements to large-scale lightweight space trusses so that the energy induced by externally applied loads can be confined to the neighborhood where it is originally generated, and hence the amount of control effort needed to minimize the unwanted disturbance is reduced. The specific mechanism for inducing motion confinement is special nonlinear joints that are capable of transferring energy from low frequencies to high frequencies and thus aid in the motion confinement. It is anticipated that the methodologies and results of this Thesis will find application in robust vibration and shock isolation designs of practical large-scale structures.
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