NDLI: Modelling chaotic vibrations using nastran

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Modelling chaotic vibrations using nastran

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sheerer, T. J.
Copyright Year	1993
Description	Due to the unavailability and, later, prohibitive cost of the computational power required, many phenomena in nonlinear dynamic systems have in the past been addressed in terms of linear systems. Linear systems respond to periodic inputs with periodic outputs, and may be characterized in the time domain or in the frequency domain as convenient. Reduction to the frequency domain is frequently desireable to reduce the amount of computation required for solution. Nonlinear systems are only soluble in the time domain, and may exhibit a time history which is extremely sensitive to initial conditions. Such systems are termed chaotic. Dynamic buckling, aeroelasticity, fatigue analysis, control systems and electromechanical actuators are among the areas where chaotic vibrations have been observed. Direct transient analysis over a long time period presents a ready means of simulating the behavior of self-excited or externally excited nonlinear systems for a range of experimental parameters, either to characterize chaotic behavior for development of load spectra, or to define its envelope and preclude its occurrence.
File Size	931035
Page Count	24
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940013357
Archival Resource Key	ark:/13960/t9b61h05f
Language	English
Publisher Date	1993-09-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Chaos Self Induced Vibration Dynamic Structural Analysis Magnetomechanics Physics Time Dependence Structural Vibration Nastran Dynamical Systems Nonlinear Systems Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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