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RISSequential Coupling: New Structural Connection for Seismic Control
Publisher: American Society of Civil Engineers
Abstract: A new method of connecting members, at certain joints of a lateral force resisting structure, improves the response to seismic excitation. These connections that permit a small initial slip (displacement or rotation) are ...
Framework for Evaluation of Lunar Base Structural Concepts
Publisher: American Society of Civil Engineers
Abstract: Numerous concepts have been considered, and are still being developed, for permanent lunar base structures. These concepts try to account for the lunar environment and its particular requirements. Among other parameters, ...
Design and Construction Considerations for Lunar Outpost
Publisher: American Society of Civil Engineers
Abstract: Engineers utilize various codes in the process of design, whether structural, mechanical, or otherwise. Reliance on a code for design is based on the knowledge that a tremendous amount of time and effort was spent by ...
A Method for In-Process Failure Prediction in Cold Upset Forging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the prediction of plastic tensile instability and ductile fracture of a specimen undergoing a compression test (simple upsetting). The method used to predict failure is based ...
Finite Element Solutions of Deep Beams
Publisher: American Society of Civil Engineers
Abstract: The finite element solutions of deep beams are presented. Two types of deep beam elements are introduced. The first element simulates the exact analytical solution of the deep beam of rectangular cross section. The element ...
Regolith Mechanics, Dynamics, and Foundations
Publisher: American Society of Civil Engineers
Abstract: Due to the differences of the gravitational accelerations of the Earth and lunar environments, geotechnical engineering must be applied differently in the two environments. This study investigates those differences. Of ...
Boundary Element Methods in Probabilistic Acoustic Radiation Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: well-defined and can be considered random variables. Probabilistic structural analysis through the use of the BEM has been introduced by Ettouney et al. (1989a, 1989b) for the solution of plane elastic systems...
An Approximate Model to Calculate Foldover and Strains During Cold Upsetting of Cylinders Part I: Formulation and Evaluation of the Foldover Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new approximate model to calculate foldover of a cylinder undergoing nonuniform compression test (simple upsetting) is presented. The model is formulated using constant-volume ...
An Approximate Model to Calculate Foldover and Strains During Cold Upsetting of Cylinders Part II: Use of the Foldover Model to Estimate Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses an approach to calculate the friction coefficient during nonuniform compression of cylinders. The approach combines new friction-calibration curves (prepared using the finite-element ...
Engineering of Architectural Systems
Publisher: American Society of Civil Engineers
Abstract: Different aspects of architectural systems are discussed in this study. The definitions of architectural systems and their importance to the building community are presented. The functions of architectural systems are ...