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Error Estimation of Fourier Series Expansion and Implication to Solution Accuracy for Nonlinear Dynamical Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fourier series expansion (FSE) plays a pivotal role in frequency domain analysis of a wide variety of nonlinear dynamical systems. To the best of our knowledge, there are two general approaches for FSE, i.e., a collocation ...
A Second-Order Scheme for Nonlinear Fractional Oscillators Based on Newmark-β Algorithm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an accurate and efficient hybrid solution method, based on Newmark-β algorithm, for solving nonlinear oscillators containing fractional derivatives (FDs) of arbitrary order. Basically, this method employs ...
Time-Dependent Decay Rate and Frequency for Free Vibration of Fractional Oscillator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an investigation on the free vibration of an oscillator containing a viscoelastic damping modeled by fractional derivative (FD). Based on the fact that the vibration has slowly changing decay rate and ...
An Efficient Analytical Method Based on Averaging and MemoryFree Principle for Variable Fractional Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It has been a difficult task to solve fractional oscillators analytically, especially when variableorder fractional derivatives (FDs) are included. The major difficulty consists in deriving analytical expressions for the ...