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RISLake Victoria Thunderstorms: Radar-Observed Initiation and Storm Evolution Modes
Publisher: American Meteorological Society
Abstract: The enhanced observation period during the HIGHWAY field campaign in East Africa provided the opportunity to obtain continuous ground-based radar observations over the Lake Victoria basin. This provided insight into ...
Loss of PCBs from Municipal‐Sludge–Treated Farmland
Publisher: American Society of Civil Engineers
Abstract: The Madison (Wisconsin) Metropolitan Sewerage District (MMSD) has been conducting field tests on the application of municipal sewage sludge on farmland. The sludge, which has been stored for more than 20 years in lagoons, ...
Localized Damage in Vertebral Bone Is Most Detrimental in Regions of High Strain Energy Density
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It was hypothesized that damage to bone tissue would be most detrimental to the structural integrity of the vertebral body if it occurred in regions with high strain energy density, and not ...
Measurements of Sediment Erosion and Transport with the Adjustable Shear Stress Erosion and Transport Flume
Publisher: American Society of Civil Engineers
Abstract: Soil and sediments play an important role in water management and water quality. Issues such as water turbidity, associated contaminants, reservoir sedimentation, undesirable erosion and scour, and aquatic habitat are all ...
Implementation of an Associative Flow Rule Including Hydrostatic Stress Effects into the High Strain Rate Deformation Analysis of Polymer Matrix Composites
Publisher: American Society of Civil Engineers
Abstract: A previously developed analytical formulation has been modified in order to more accurately account for the effects of hydrostatic stresses on the nonlinear, strain rate dependent deformation of polymer matrix composites. ...
Strain Rate Sensitivity of Epoxy Resin in Tensile and Shear Loading
Publisher: American Society of Civil Engineers
Abstract: The mechanical response of E-862 and PR-520 resins is investigated in tensile and shear loadings. At both types of loading the resins are tested at strain rates of about
Modeling of Airflow in the Pharynx With Application to Sleep Apnea
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional numerical modeling of airflow in the human pharynx using an anatomically accurate model was conducted. The pharynx walls were assumed to be passive and rigid. The results ...
Approximation of Nonlinear Unloading Effects in the Strain Rate Dependent Deformation Analysis of Polymer Matrix Materials Utilizing a State Variable Approach
Publisher: American Society of Civil Engineers
Abstract: An experimental and analytical program is carried out to explore key behaviors in the loading and unloading behavior of polymers. Specifically, the effects of strain rate and hydrostatic stresses on the nonlinear portions ...
Characterization of Damage in Triaxial Braided Composites under Tensile Loading
Publisher: American Society of Civil Engineers
Abstract: Carbon fiber composites that utilize flattened, large tow yarns in woven or braided forms are being used in many aerospace applications. The complex fiber architecture and large unit cell size in these materials present ...
Mechanism of Enzyme Stabilization for Expansive Soils Using Mechanical and Microstructural Investigation
Publisher: ASCE
Abstract: Expansive soils are susceptible to ground movements and are problematic to overlying geotechnical structures. There is a growing shift to use nontraditional sustainable and economical alternatives. To date, limited research ...