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RISA Time Domain Identification Technique: The Oversized Eigenmatrix (OEM) Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method of identifying natural frequencies and associated damping ratios of a structure from its free decay response is presented. The method is based on the Prony’s algorithm with which the ...
Analytical Solutions for Simply Supported Viscously Damped Double-Beam System under Moving Harmonic Loads
Publisher: American Society of Civil Engineers
Abstract: In this paper, the dynamic response of a simply supported viscously damped double-beam system under moving harmonic loads is investigated. The double-beam system consists of two elastic homogeneous isotropic beams, which ...
Seismic Displacement of 3D Slope Reinforced by Piles with Nonlinear Failure Criterion
Publisher: American Society of Civil Engineers
Abstract: The seismic displacement estimation of soil slopes was generally focused on the plane strain assumption with a linear Mohr-Coulomb failure criterion. In engineering, slope stability often becomes more of a three-dimensional ...
Seismic Displacement of 3D Slope Reinforced by Piles with Nonlinear Failure Criterion
Publisher: American Society of Civil Engineers
Abstract: The seismic displacement estimation of soil slopes was generally focused on the plane strain assumption with a linear Mohr-Coulomb failure criterion. In engineering, slope stability often becomes more of a three-dimensional ...
A Nonparametric Identification Technique for a Variety of Discrete Nonlinear Vibrating Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A relatively simple nonparametric identification technique based on the use of power series expansions for the identification of nonlinearities of a variety of discrete nonlinear vibrating systems ...
Near-Global Covariability of Hourly Precipitation in Space and Time
Publisher: American Meteorological Society
Abstract: AbstractA detailed analysis of hourly precipitation from 60°N to 60°S for the covariability is performed at 0.25° resolution using the new CMORPH dataset. For all points, correlations are computed with surrounding points ...
How Often Does It Really Rain?
Publisher: American Meteorological Society
Abstract: AbstractThe perception about whether a place is a nice place to live often depends on how often it rains (or snows). The frequency relates to how dreary the weather appears, and it is the duration much more than the amount ...
Pipe Friction Parameters Identification Method Based on Moore-Penrose Pseudo-Inverse Solution
Publisher: American Society of Civil Engineers
Abstract: A method is proposed to study water networks pipe friction parameters (PFPs) identification problem of water networks by solving a PFPs identification equation. The PFPs identification equation corresponding to an actual ...
Changes in Twentieth-Century Extreme Temperature and Precipitation over the Western United States Based on Observations and Regional Climate Model Simulations
Publisher: American Meteorological Society
Abstract: rends in extreme temperature and precipitation in two regional climate model simulations forced by two global climate models are compared with observed trends over the western United States. The observed temperature extremes ...
Changes in Moisture Flux over the Tibetan Plateau during 1979–2011 and Possible Mechanisms
Publisher: American Meteorological Society
Abstract: hanges in moisture as represented by P ? E (precipitation ? evapotranspiration) and the possible causes over the Tibetan Plateau (TP) during 1979?2011 are examined based on the Global Land Data Assimilation Systems (GLDAS) ...