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RISDynamic Response Analysis of Vehicle-bridge System for Cable-stayed bridge in Strong Windy Environment
Publisher: American Society of Civil Engineers
Abstract: A computer simulation method of solving vehicle-bridge system vibration response with consideration of wind load was presented based on mode integration theory. Vehicle model and fluctuating wind load model was established, ...
Effects of Water Inside Semiclosed Moon Pool on the Hydrodynamic Coefficients and Heaving Damping of a Truss Spar Platform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hydrodynamic coefficients and heaving damping of a truss spar platform were studied by the computational fluid dynamics (CFD) method with considering the semiclosed moon pool. A partial model was established to investigate ...
Incorporating Life-Cycle Costs in Highway-Bridge Planning and Design
Publisher: American Society of Civil Engineers
Abstract: Life-cycle cost analysis has been stressed by various state departments of transportation and applied to a highway bridge-management system (BMS) as a decision-making strategy in maintenance, rehabilitation, or replacement ...
Data-Driven Concept Network for Inspiring Designers’ Idea Generation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Big-data mining brings new challenges and opportunities for engineering design, such as customer-needs mining, sentiment analysis, knowledge discovery, etc. At the early phase of conceptual design, designers urgently need ...
Analysis and Experimental Research on the Fluid–Solid Coupled Heat Transfer of High-Speed Motorized Spindle Bearing Under Oil–Air Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For high-speed motorized spindle bearing, temperature rise is the primary factor that restricts the maximum speed of spindle and affects the stability of system. This paper addresses the lubrication and cooling of spindle ...
Slider Pitch Moment Associated With Dimple Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the design of a magnetic recording disk file, pitch moment exerted by the flexure on the slider is usually treated as a product of flexure pitch static attitude and pitch-stiffness (kp), ...
H∠and Sliding Mode Observers for Linear Time Invariant Fractional Order Dynamic Systems With Initial Memory Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The H∠and sliding mode observers are important in integerorder dynamic systems. However, these observers are not well explored in the field of fractionalorder dynamic systems. In this paper, the H∠filter and the ...
The Elastohydrodynamic Traction of a Grease LGLT2
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The elastohydrodynamic (EHD) traction coefficients of a lubricating grease LGLT2 were tested at various loads and rolling speeds on a selfmade test rig. Traction coefficient versus slidetoroll ratio curves were generated. ...
Urbanization Impact on Temperature Change in China with Emphasis on Land Cover Change and Human Activity
Publisher: American Meteorological Society
Abstract: he impact of urbanization on temperature trends in China was investigated with emphasis on two aspects of urbanization, land cover change, and human activity. A new station classification scheme was developed to incorporate ...
Multiobjective Design Optimization of a Cantilevered Ramp Injector Using the Surrogate-Assisted Evolutionary Algorithm
Publisher: American Society of Civil Engineers
Abstract: The mixing efficiency of the fuel and the supersonic freestream has a great impact on the operation of the scramjet engine because of the very short residence time. In the current study, the cantilevered ramp injector was ...