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Now showing items 6185-6204 of 9115
A Numerical Investigation on High-Reynolds-Number Gravity Currents in Pressurized and Free-Surface Systems using Shallow Water Equation and Integral Model Approaches
(2014-12-09)
Multiphase flows in the form of gravity currents are prevalent in various natural systems, as well as in some open channels and closed conduits. Thus, accurate flow simulation and efficient modeling tools are important in ...
Numerical Model Evaluations of Cumulative Contraction Scour at a Bridge Site with Cohesive Soils
(2005-08-15)
The objective of this study was to perform 2-Dimensional numerical contraction
scour calculations at an actual bridge site with cohesive soils. The 2-D model used in the
analysis was the Finite Element Surface Water ...
Numerical Modeling of Crustal Deformation and Pore-Pressure Changes Associated with the 1999 Chi-Chi Earthquake, Taiwan
(2010-12-09)
A new 3D time-dependent pore-pressure diffusion model PFLOW is used to investigate the response of pore fluids to the crustal deformation generated by strong earthquakes in heterogeneous geologic media. Using a carefully ...
Numerical Modeling of Electromagnetic Wave Scattering by Layered Random Surfaces
(2020-12-01)
We present an efficient numerical method for modeling the scattering of electromagnetic fields by a multiply layered medium with random interfaces. We propose a combination of the Monte Carlo-Transformed Field Expansion ...
Numerical Modeling of Liquefaction-induced Settlement due to Reconsolidation
(2021-07-30)
Soil liquefaction poses a major threat to human life and property. Settlement following liquefaction has been one of the major sources of liquefaction-induced damage in past earthquakes and creating resilient infrastructure ...
Numerical Modeling of Nasal Cavities and Air Flow Simulation
(2006-05-15)
Computational fluid dynamics (CFD) has many applications in biomedical engineering, such as simulating air dynamics in nasal cavities and lungs, blood flow in vessels, and blood flow in hearts. To perform CFD simulations, ...
Numerical Modeling of Random 2D and 3D Structural Foams Using Voronoi Diagrams: A Study of Cell Regularity and Compression Response
(2013-07-10)
Representing the complex morphology of cellular solids in general and metal foams in particular for understanding key factors governing their mechanical behavior is typically achieved using periodic unit cells. Due to the ...
Numerical modeling of rapidly varying flow conditions in collection systems
(2021-11-29)
The design, operation and maintenance of urban water infrastructure depends on the urban runoff flow characteristics. Many modeling tools are being applied for predicting the flow characteristics and their accuracy are ...
Numerical Modeling of Very Thin Dielectric Materials
(2008-08-15)
In this work, a Method of Moments (MoM) formulation is presented for the
numerical solution of very thin dielectric materials in the frequency domain. The
dielectric material is represented by a triangular mesh and a ...
Numerical simulation and mechanical properties of free-standing silver thin films
(2006-12-15)
Membrane deflection test is well studied to investigate the mechanical properties for polycrystalline metal thin films. Numerical simulations by ANSYS software of membranes with different bottom window sizes show the ...
Numerical Simulation Using Transition SST Model to Analyze Effects of Expanding Manifold Angle and Jet Spacing for Submerged Liquid Jet Impingement
(2018-07-23)
Increasing numbers of under-hood sensors and power electronics modules are becoming standard in both commercial and military vehicles. In order to function reliably, these technologies require a dedicated and dynamic cooling ...
Numerical Simulations of Boiling in Dielectric Fluid Immersion Cooling Scenarios of High Power Electronics
(2014-04-28)
As server technologies have progressed, the traditional methods of blade level cooling have become very costly. Up to this point, most server units have been cooled through forced air convection; a process that requires ...
Numerical Simulations of Conservation Laws in Random Heterogeneous Media
(2020-07-17)
Conservation laws play an important role in many areas of natural science. When we design numerical schemes for conservation laws, we usually assume that initial data and flux function (the rate of change of quantity of ...
Numerical Simulations of the Fourth Avenue Landslide Considering Cyclic Softening
(2019-04-23)
Cyclic softening of fine grained soils has led to significant infrastructure damage in previous earthquakes. Despite this, methods to evaluate the potential deformations due to cyclic softening are not as well developed ...
Numerical Study of High Lift Configurations
(2017-07-27)
This study investigates the numerical prediction capability of Computational Fluid Dynamics (CFD) in resolving the high-lift aerodynamics. Various numerical aspects in CFD is explored in this research which includes different ...
Numerically Modeling Structural Behavior of Precast Three-Sided Arch Bridges for Analysis and Design
(2012-05-15)
Foley Products contracted with Auburn University to perform laboratory testing
and design validation of three-sided bottomless precast concrete structures being
produced. Tests performed included a field test on an active ...
Nursery Habitat and Hatch Dates of Large River Fishes of the Lower Red River Catchment
(2023-04-27)
Many freshwater fishes in North America are of conservation concern. Both fine-and coarse-scale physicochemical conditions affect the quantity and quality of nursery habitat and can influence the hatches and growth of ...
Nutrient Digestibility, Growth Performance, and Carcass Characteristics of Broilers Fed Diets Formulated with Low Oligosaccharide Soybean Meals
(2012-07-19)
The objective of this research was to evaluate nutrient digestibility, growth performance, and processing yields of Ross × Ross 708 male broilers fed diets formulated with low oligosaccharide soybean meal (LOSBM) and ...
Nutrient Dynamics in an Old-Growth Bottomland Forest: Congaree National Park, South Carolina
(2013-12-16)
Floodplains are important landscapes that act as boundaries between terrestrial and aquatic ecosystems. Past research efforts have illustrated that floodplains perform many beneficial functions, such as sediment retention ...
Nutrient Intake and Epigenetic Influences on Childhood Obesity: A Racial Perspective
(2023-12-01)
Obesity, a complex condition influenced by both genetic and environmental factors, poses a significant public health challenge. Despite extensive efforts in dietary, exercise, educational, surgical, and pharmacological ...