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RISThe Role of Damping and Definition of the Robust Damping Factor for a Self-Exciting Mechanism With Constant Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a linear two-degree-of-freedom model in order to analyze friction-induced instabilities that are governed by modal interaction. The role of structural damping on flutter ...
Stochastic Analysis of the Eigenvalue Problem for Mechanical Systems Using Polynomial Chaos Expansion— Application to a Finite Element Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes to use a polynomial chaos expansion approach to compute stochastic complex eigenvalues and eigenvectors of structures including damping or gyroscopic effects. Its application ...
Role of Roots of Orthogonal Polynomials in the Dynamic Response of Stochastic Systems
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the fundamental nature of the polynomial chaos (PC) response of dynamic systems with uncertain parameters in the frequency domain. The eigenfrequencies of the extended matrix arising from a PC ...