Model Reduction for Dynamical Systems with Local Nonlinearities

Model Reduction for Dynamical Systems with Local Nonlinearities

Many kinds of nonlinear engineering systems have a large number of degrees of freedom while nonlinear components are spatially localized. Even though the local nonlinearities constitute only a small part of the system, the dynamic behavior of the system is wholly nonlinear, and the analysis of the w...

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Veröffentlicht in:AIAA journal 2002-02, Vol.40 (2), p.327-333
1. Verfasser: Qu, Zu-Qing
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Calculations
Damping
Elastic moduli
Engineering
Equations of motion
Exact sciences and technology
Finite element method
Fundamental areas of phenomenology (including applications)
Iterative methods
Mathematical models
Physics
Solid mechanics
Stiffness
Stiffness matrix
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
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Beschreibung
Zusammenfassung:Many kinds of nonlinear engineering systems have a large number of degrees of freedom while nonlinear components are spatially localized. Even though the local nonlinearities constitute only a small part of the system, the dynamic behavior of the system is wholly nonlinear, and the analysis of the whole model is very expensive.
ISSN:0001-1452
1533-385X
DOI:10.2514/2.1649