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RISIncorporating Hydromechanical Coupling of Unsaturated Soils into the Analysis of Rainwater-Induced Groundwater Ponding
Publisher: American Society of Civil Engineers
Abstract: The moisture contents and coefficients of permeability of partially saturated soils are assumed to follow an exponential function of the pressure head. A partial differential equation is proposed here to describe the ...
Axial Low-Velocity Impact of Sandwich Columns With Aluminum Face-Sheets and Hexagonal Honeycomb Core
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic behavior of sandwich columns with aluminum face-sheets and hexagonal honeycomb core under axial low-velocity impact is investigated experimentally and theoretically. In the impact tests, two typical competing ...
A Constitutive Model for Soft Materials Incorporating Viscoelasticity and Mullins Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Soft materials including elastomers and gels are widely used in applications of energy absorption, soft robotics, bioengineering, and medical instruments. For many soft materials subject to loading and unloading cycles, ...
Ice Nucleation in a Venus Atmosphere
Publisher: American Meteorological Society
Abstract: The possible phase of Venus cloud particles has been experimentally studied. Carbon dioxide gas of 0.83 atm held in a uniform temperature mixing cloud chamber was used as a simulated Venus atmosphere at the condensation ...
Pressure and Temperature Perturbations within a Squall-Line Thunderstorm Derived from SESAME Dual-Doppler Data
Publisher: American Meteorological Society
Abstract: Some dynamic and thermodynamic properties of a convective cell within a squall line that occurred on 6 June 1979 were studied based on dual-Doppler observations. The domain under investigation had a horizontal dimension ...
A Comparative Investigation of Two Types of MHPA Flat-Plate Solar Air Collector Based on Exergy Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, a comparative investigation of two types of microheat pipe array (MHPA) flat-plate solar air collectors (FPSAC) based on exergy analysis has been conducted. The thermal performance of MHPA-type solar air ...
The Failure Behavior of Geometrically Asymmetric Metal Foam Core Sandwich Beams Under Three Point Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The failure behavior of geometrically asymmetric sandwich beams with a metal foam core is analytically and experimentally investigated. New initial failure modes of the asymmetric sandwich beams are observed under threepoint ...
Fatigue Failure Analysis of Cracks near the Sole Plate of a Half-Through Steel-Arch Bridge
Publisher: American Society of Civil Engineers
Abstract: A fractured bolt connecting the bearing and the stiffening girder of a half-through steel-arch bridge, with a main span length of 113 m, which was opened for public in September 1996, was found in October 2013 during ...
Wind Tunnel Test Study on Pipeline Suspension Bridge via Aeroelastic Model with π Connection
Publisher: American Society of Civil Engineers
Abstract: Pipeline suspension bridges are narrow and wind sensitive. There is a lack of research on the mechanical performance of pipeline suspension bridges under wind load, especially under the action of gorge wind. This paper ...