Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"Three-dimensional modeling"”.
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Three Dimensional Modeling Of Wekiva Springshed With Wash123d
This thesis presents a three-dimensional groundwater modeling of Wekia springshed in central Florida using a numerical model, WASH123D. Springs have historically played an important role in Florida's history. The Wekiva River is a spring-fed system associated with about 19 springs connected to the …
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Three-dimensional modeling of plasma transport in the HIDRA stellarator
In the edge region of modern nuclear fusion experiments, the interactions between edge plasmas and the materials which ultimately confine them have become increasingly more important as device sizes and powers trend upwards. Devices such as MPEX and PISCES are built to investigate these …
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Pose imagery and automated three-dimensional modeling of urban environments
Three-dimensional (3-D) modeling of urban environments has numerous applications, including virtual environments, urban planning, and physical simulation. Constructing 3-D models from photographs (images) is thus an important area of research in computer vision, and increasingly, computer …
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Three-Dimensional Modeling and Finite Element Analysis of the Human Diaphragm
… proposed workflow provides a robust approach for modeling soft tissue biomechanics.
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Three-dimensional modeling of failure in quasi-brittle materials and structures
… tools to predict the cracking potential in three-dimensional concrete structures. Firstly, a cohesive zone model is formulated and implemented to simulate mode I crack growth in quasi-brittle materials based on the thermodynamics of irreversible processes allowing for loading, unloading, and …
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Three-Dimensional Modeling of Ozone and Particulate Matter: Model Improvement and Evaluation
North Carolina State University Theses Marine, Earth and Atmospheric Sciences.
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Three-dimensional modeling and simulation of manufacturing processes for transmuter fuel fabrication
A proposed method of converting long-lived radionuclides contained within spent nuclear fuel into shorter-lived radionuclides is known as transmutation. The feasibility assessment of fuel manufacturing for transmutation is necessary for the overall success of the transmutation project. As part of …
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Three-dimensional modeling of sealing and wear of XTS-210 engine Apex seals
… improving its sealing system through advanced modeling and design optimization.
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Three-Dimensional Modeling of Solute Transport with In Situ Bioremediation Based on Sequential Electron Acceptors
… of depicting multiple species transport in a three-dimensional, anisotropic, heterogeneous domain as influenced by advection, dispersion, adsorption, and biodegradation. Various hydrocarbon contaminants are simulated as electron donors for microbial growth, with electron acceptors utilized in …
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Terrestrial sources and sinks of atmospheric methyl bromide : three-dimensional modeling of tropospheric abundance and sensitivities
… to each distribution are simulated with a three-dimensional chemical transport model based on analyzed observed winds, coupled to a simple model of the ocean mixed layer. All of the resulting scenarios overestimate the observed zonal gradient, with interhemispheric ratios ranging from 1.39 …
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Nonlinear Lumped-Parameter Model of the Lumbar Intervertebral Disc: A Study on Viscoelastic Deformation and Three-Dimensional Modeling of the Spine
… motion of the IVD under axial cyclic loading and three-dimensional quasi-static loading as well as maintain computational efficiency for use in future musculoskeletal spine models. A viscoelastic standard nonlinear solid (SNS) model is introduced within this study. It was developed to predict the …
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Three-dimensional modeling of complex salt wall terminations in the Paradox Basin: implications for salt structure evolution, compartmentalizing fault trends and petroleum exploration
… wall terminations, perhaps due to their complex, three-dimensional geometries. However, study of these salt wall terminations is essential to understanding the evolution of the salt walls and the adjacent stratigraphy. Three-dimensional modeling of the Castle Valley and Gypsum Valley salt wall …
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Out of Alignment
… The media used to develop this thesis are two dimensional linear compositions, three dimensional modeling, and photography.
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The numerical simulation of non-supercell tornadogenesis
… research represents the first high resolution three-dimensional modeling effort to successfully simulate the genesis processes of non-supercell tornadoes occurring along thunderstorm outflow boundaries.
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Design of gait rehabilitation system
… that closely simulates gait training session. Three-dimensional modeling and analysis techniques were extensively used throughout the study in order to achieve the best design solution. Finally, kinematic position, velocity and acceleration analyses that were performed on the machine set a …
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A CAD/CAM interface for computer-aided design of cams
… to provide a complete package for the design and three dimensional modeling display of cams. The software produced as a part of this work will operate as a module of CADAM to produce cam designs and enter the resulting cam as a CAD model and produce the graphical display of the cam. In addition to …
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Activity segmentation with special emphasis on sit-to-stand analysis
… methods to measure sit-to-stand time using the three dimensional modeling of a human body in vowel space as well as ellipse fitting algorithms and image features to capture orientation of the body. Fuzzy clustering methods such as the Gustafson vessel algorithm are also investigated. The …
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Late Quaternary sedimentary architecture and depositional history of the Monahans Dune Field, Winkler County, TX.
… m) and 18 Geoprobe direct push cores (5-19 m). Three-dimensional modeling of these data, and exploratory passive seismic observations reveals a complex depositional record of eolian and palustrine deposition, and pedogenesis. This study analyzes the depositional sequence, geometry and chronology …
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A generalized finite element method for three-dimensional fractures in fiber-reinforced composites
… of their failure mechanisms. However, modeling of damage evolution and the multiscale interactions in composite materials using standard Finite Element Methods (FEMs) face significant barriers in terms of model generation and problem size. This work presents recent advances of the …
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