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RISEffect of Nonlinear Parameters on Stresses in Railroad Tracks
Publisher: American Society of Civil Engineers
Abstract: A nonlinear formulation is presented for the analysis of railroad tracks. The finite element discretization is used for a rail element which includes all the deformation modes of the rail. The stiffness of the fasteners, ...
Dynamic T-Stress for a Mode-I Crack in an Infinite Elastic Plane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An integral equation method is presented to determine dynamic elastic T-stress. Special attention is paid to a single crack in an infinite elastic plane subjected to impact loading. By using ...
Multiobjective Reservoir Optimization Considering Sedimentation Applied to the Three Gorges Reservoir
Publisher: ASCE
Abstract: Increasing the power generation and reducing the sediment deposition in a reservoir are two contradictory and incommensurable objectives. Hence, these two operational objectives rarely are considered simultaneously in ...
Algorithm Based on KNN and Multiple Regression for the Missing-Value Estimation of Sensors
Publisher: ASCE
Abstract: Missing sensor data are unavoidable when sensors are used to monitor a system. These missing data largely affect the sensor applications. When missing data exist, the best method is estimation. Herein, we introduce the ...
Three-Dimensional Electroelastic Analysis of a Piezoelectric Material With a Penny-Shaped Dielectric Crack
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Previous studies assumed that a crack is either impermeable or permeable, which are actually two limiting cases of a dielectric crack. This paper considers the electroelastic problem of a ...
Transient Response of a Finite Bimaterial Plate Containing a Crack Perpendicular to and Terminating at the Interface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The transient response of a finite bimaterial plate with a crack perpendicular to and terminating at the interface is analyzed for two types of boundaries (free-free and clamped-clamped). The ...
T-Stresses Across Static Crack Kinking
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the T-stress change before and after crack kinking in two-dimensional elastic solids. By using asymptotic analysis and the Westergaard stress function method, approximate ...
Effects of Engesser’s and Haringx’s Hypotheses on Buckling of Timoshenko and Higher-Order Shear-Deformable Columns
Publisher: American Society of Civil Engineers
Abstract: This article investigates the structural stability of prismatic columns with elastically restrained ends under axial compressive force. An emphasis is placed on the analysis of the effect of Engesser’s and Haringx’s ...
Assessment of Responses of Tropical Pacific Air–Sea CO2 Flux to ENSO in 14 CMIP5 Models
Publisher: American Meteorological Society
Abstract: AbstractResponses of tropical Pacific air?sea CO2 flux (fCO2) to El Niño?Southern Oscillation (ENSO) events in 14 models from phase 5 of the Coupled Model Intercomparison Project (CMIP5) are examined. The contributions of ...
Investigation of Integrated Management of Large-Scale Irrigation and Aquaculture Systems
Publisher: American Society of Civil Engineers
Abstract: The importance of nonirrigation uses of irrigation water to the livelihoods of the rural poor living close to irrigation systems has generally been ignored both in planning and operating these systems. An improved understanding ...