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RISResponses of Linear and Nonlinear Oscillators to Fractional Gaussian Noise With Hurst Index Between 1/2 and 1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The responses of linear and nonlinear oscillators to fractional Gaussian noise (fGn) are studied. First, some preliminary concepts and properties of fractional Brownian motion (fBm) and fGn with Hurst index 1/2<H<1 ...
Asymptotic Analytical Solutions of First Passage Rate to Quasi Nonintegrable Hamiltonian Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The firstpassage problem of quasinonintegrable Hamiltonian systems subject to light linear/nonlinear dampings and weak external/parametric random excitations is investigated here. The motivation is to acquire asymptotic ...
Investigation of Maximum Hail-Size Forecasting Using Bulk Microphysics Schemes
Publisher: American Meteorological Society
Abstract: This study uses the Weather Research and Forecasting (WRF) Model to investigate the performance of hail parameterizations of the WRF double-moment 7-class (WDM7), aerosol-aware Thompson (AAT), and National Taiwan University ...
Response Analysis of Vortex-Induced Random Vibration of Multi-Degree-of-Freedom Nonlinear Structure
Publisher: American Society of Civil Engineers
Abstract: Many wake oscillator (or lift oscillator) models are limited to studying the vortex-induced vibration (VIV) of linear structures excited by a constant-speed fluid flow. However, in wind engineering, real wind is typically ...
Reliability Analysis of Vortex-Induced Random Vibration
Publisher: American Society of Civil Engineers
Abstract: Under the action of incoming flow, bluff body structure may experience vortex-induced vibration (VIV). Because the resonant VIV can cause strong vibration, potentially leading to structural damage, this work specifically ...