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RISDynamics and Control of the Shoot-the-Moon Tabletop Game
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The classic tabletop game Shoot-the-Moon has interesting dynamics despite its simple structure, consisting of a steel ball rolling on two cylindrical rods. In this paper, we derive the equations ...
Research on a Short-Range Prediction Model for Track Irregularity over Small Track Lengths
Publisher: American Society of Civil Engineers
Abstract: Based on analysis of some existing prediction methods and models for track irregularities, according to the characteristics of track irregularity development for China railroad, this paper has proposed a short-range ...
Identification of Creep Camber State of 32-m Box Girders on High-Speed Railway and Prediction of Geometry of Track over Girder
Publisher: ASCE
Abstract: The creep camber of box girders significantly lowers track regularity, making it very important to perform track geometry precise adjustment or ballast tamping operations by maintenance machinery on box girder sections at ...
A Pore-Scale Physical Model for Electric Dewatering of Municipal Sludge Based on Fractal Geometry
Publisher: American Society of Civil Engineers
Abstract: Water in municipal sludge has an electric double layer (EDL), and can be rapidly removed via electroosmosis. However, the understanding of the physical mechanisms of electroosmosis is limited owing to the complex pore ...
Experimental Study on the High Relative Casing Motion Effect on Turbine Blade Tip Aerodynamic Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The high-speed relative motion between the casing and turbine blade tip significantly complicates the flow field distribution near the blade tip and greatly increases the difficulty of flow field measurement. In this paper, ...
Fractal Model for Thermal Contact Conductance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A random number model based on fractal geometry theory is developed to calculate the thermal contact conductance (TCC) of two rough surfaces in contact. This study is carried out by geometrical ...
Optimal Match Method for Milepoint Postprocessing of Track Condition Data from Subway Track Geometry Cars
Publisher: American Society of Civil Engineers
Framework of Practical Performance Evaluation and Concept of Interface Design for Bridge Deck–Wave Interaction
Publisher: American Society of Civil Engineers
Abstract: The connection, or interface, between the bridge superstructure and substructure is a key component in a bridge system for resisting hurricane-induced storm surges and wave forces. The performance of the connection can ...
Modal Analysis and Output Characteristics of an Ultrasonic Motor With a Square Prismatic Shell Stator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A rotary traveling wave ultrasonic motor having a square prismatic shell stator is proposed. The stator contacts with the rotor through an interference fit, elastically deforms slightly, and then presses against the rotor. ...
A Buried Gas Pipeline Leakage Model
Publisher: American Society of Civil Engineers
Abstract: Unlike the hydrodynamic model used in the current popular numerical simulation of buried gas pipeline leakage, this paper adopts the Darcy equation of underground seepage, mass balance equation, and equation of state of ...