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RISA Simulation Study on the Effects of Race Surface Waviness on Cage Dynamics in High-Speed Ball Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of the race surface waviness on the cage dynamics, including cage slip ratios, cage instabilities, and time-averaged cage wear rates, in high-speed ball bearings are investigated. A dynamic model of high-speed ...
A Simulation Study on the Effects of Race Surface Waviness on Cage Dynamics in High-Speed Ball Bearings
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The effects of the race surface waviness on the cage dynamics, including cage slip ratios, cage instabilities, and time-averaged cage wear rates, in high-speed ball bearings are investigated. A dynamic model of high-speed ...
A New Approach of Coordinated Motion Control Subjected to Actuator Saturation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new approach of motion coordination of two axes systems in the presence of actuator saturation is proposed. The proposed approach includes two parts: feedback controller and ...
A Statistical Model for Torsional Friction of Plate-on-Plate Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A statistical model for torsional friction of plate-on-plate contact is constructed. The torsional responses including T–θ curves, proportion of slip asperities, and the radius of gross slip can be obtained from the model. ...
Effects of FRP-Concrete Interface Bond Properties on the Performance of RC Beams Strengthened in Flexure with Externally Bonded FRP Sheets
Publisher: American Society of Civil Engineers
Abstract: Fiber reinforced polymer (FRP) sheets have been increasingly used as externally bonded reinforcements in the rehabilitation of concrete structures. The efficacy of the FRP bonding technology highly depends on the bond ...
Modeling of Wrinkling in Sandwich Panels under Compression
Publisher: American Society of Civil Engineers
Abstract: A wrinkling model for sandwich panels in compression is developed with the assumption of a continuous isotropic linear elastic core. Wrinkling stresses for the three modes, defined in a well-known book by H. G. Allen, are ...
Long-Wave Scattering by a Vertical Cylinder with Idealized Scour Pit
Publisher: American Society of Civil Engineers
Abstract: The combined diffraction and refraction of long waves around a vertical cylinder with scour pit is studied analytically on the basis of a newly derived analytic solution of the mild-slope wave equation. The geometry of the ...
Influence of Built Environment on Urban Vitality: Case Study of Shanghai Using Mobile Phone Location Data
Publisher: American Society of Civil Engineers
Abstract: Although a successfully built environment has been widely accepted in urban planning as a method of promoting urban vitality in China, the related theories were proposed in Western cities, and these have not been empirically ...
Analysis of the Pedestrian System Indicators of City Blocks Based on the Real Walking Network: A Case Study of Jinan, China
Publisher: ASCE
Abstract: Over the last few decades, cities have been committed to building efficient, coordinated, and energy-saving transportation modes. As the most flexible and green travel mode, walking provides effective connections for various ...
Delineation of the Shanghai Megacity Region of China from a Commuting Perspective: Study Based on Cell Phone Network Data in the Yangtze River Delta
Publisher: ASCE
Abstract: This study presents a method for delineating a megacity region with functional linkages in a continuous urbanized area. We examine commuting from cellphone network data and delimitate the Shanghai megacity region from 16 ...