Reference : Contract 21539/08/NL/SFe - Advancement of mechanical verification methods for non-linear...

	Document type :	Reports : External report
	Discipline(s) :	Engineering, computing & technology : Aerospace & aeronautics engineering
	To cite this reference:	http://hdl.handle.net/2268/114825

Title :	Contract 21539/08/NL/SFe - Advancement of mechanical verification methods for non-linear spacecraft: Modal analysis using nonlinear normal modes.
Language :	English
Author, co-author :	Renson, Ludovic [Université de Liège - ULg > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux >]
	Noël, Jean-Philippe [Université de Liège - ULg > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux >]
	Kerschen, Gaëtan [Université de Liège - ULg > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux >]
Publication date :	Feb-2012
Publisher :	ESTEC
Page number :	45
City :	Noordwijk
Country :	The Netherlands
Keywords :	[en] Nonlinear modal analysis ; Nonlinear normal modes ; Spacecraft
Abstract :	[en] The objective of this technical note is to explore the applicability of nonlinear modal analysis to spacecraft structures. To this end, algorithms for the continuation of periodic solutions are applied to the finite element model of the SmallSat spacecraft. Nonlinear normal modes and their corresponding frequencies of oscillation are computed, and the results are discussed.
Research units :	ESTEC
Funders :	European Space Agency (ESA)
Name of the research project :	Advancement of Mechanical Verification Methods for Non-linear Spacecraft Structures
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/114825

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