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RISFast Spherical Harmonic Transform Routine FLTSS Applied to the Shallow Water Test Set
Publisher: American Meteorological Society
Abstract: The fast spherical harmonic transform algorithm proposed by Suda and Takami is evaluated in the solutions of the shallow water equation test set defined by Williamson et al. through replacing the Legendre transforms of the NCAR spectral transform...
Simulation of Valve Closure after Pump Failure in Pipeline
Publisher: American Society of Civil Engineers
Abstract: Pump failure and subsequent valve closure produce rarefaction waves and pressure waves to be transmitted through a pipeline. This so-called water-hammer effect can cause much damage to pipes, valves, and other equipment. ...
Interaction Between Coexisting Orbits in Impact Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Impact oscillators exhibit an abrupt onset of chaos close to grazing due to the square-root singularity in their discrete time maps. In practical applications, this large-amplitude chaotic vibration needs to be avoided. ...
Wheel∕Rail Two-Point Contact Geometry With Back-of-Flange Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this investigation, a numerical procedure that can be used for the analysis of a wheel and rail contact geometry is developed using the constraint contact formulation. The locations of ...
On the Contact Search Algorithms for Wheel/Rail Contact Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this investigation, contact search algorithms for the analysis of wheel/rail contact problems are discussed, and the on-line and off-line hybrid contact search method is developed for multibody ...
ANALYSIS OF WINDS, WIND WAVES, AND SWELL OVER THE SEA TO THE EAST OF JAPAN DURING THE TYPHOON OF SEPTEMBER 26, 1935
Publisher: American Meteorological Society
Abstract: An analysis of winds, wind waves, and swell over the sea to the east of Japan during the historical typhoon of September 26, 1935, is given. Occurrence of the storm and its movement across a main squadron of the Imperial ...
Dynamics of Independently Rotating Wheel System in the Analysis of Multibody Railroad Vehicles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this investigation, dynamic characteristics of independently rotating wheel systems are discussed. To this end, a multibody independently rotating wheelset (IRW) model is developed using the ...
Effect of Fastener-Deck Strength on the Wind-Uplift Performance of Mechanically Attached Roofing Assemblies
Publisher: American Society of Civil Engineers
Abstract: A roofing system consists of a waterproof membrane, attachments, cover board (if present), insulation, and vapor or air barrier [retarder (if present)]. A roof assembly is a roof system that includes the structural deck. ...
Damping Evaluation Using Full-Scale Data of Buildings in Japan
Publisher: American Society of Civil Engineers
Abstract: Full-scale data on damping of buildings in Japan have been collected by the Damping Evaluation Committee of the Architectural Institute of Japan. Reliable data on 137 steel-framed buildings, 25 reinforced concrete (RC) ...