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 30 for “"governing parameters"”.
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Analysis of discrete dynamical system models for competing species
… to manifestly chaotic regimes in terms of the governing parameters - the discrete LV model and the ESR model exhibit their own brands of bifurcation and chaos that are essentially two dimensional in nature. In particular, it is shown that both systems exhibit "twisted horseshoe" dynamics …
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Computationally Efficient Modeling of Transient Radiation in a Purely Scattering Foam Layer
… profiles found for specific values of the governing parameters to form a solution basis that can be used to generate the profile for any arbitrary values of the parameter set. The governing parameters that were used in this study include the foam layer thickness, the asymmetry parameter, …
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Model Reduction of the Coupled Burgers Equation in Conservation Form
… are projected on a POD basis and then the governing parameters of the system are varied.
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Slip effect on stagnation-point flow past a permeable quadratically stretching or shrinking sheet
… or shrinking sheet has been investigated. The governing equations are reduced from system of partial differential equations to system of ordinary differential equations by selecting appropriate variables. The system of ordinary differential equations are solved numerically by using shooting …
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As Darkness Falls: A Composition for Wind Ensemble
… musical aspects within each movement that were governing parameters in the compositional process.
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Numerical simulation of mixing processes in two-dimensional channel flows
… for two different discharge concepts and governing parameters are identified"--Abstract pp. iii-iv.</p>
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Observing and modelling the legless jumping mechanism of click beetles for bio-inspired robotic design
… the contribution of kinematic and morphological governing parameters. An energetics model is developed to describe the energy exchanges between the three stages of the jump. Kinematic and dynamic models are used to calculate the hinge stiffness and the elastic energy stored in the body during the …
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Detecting the turnover of the power spectrum with SKAO and other surveys
… our understanding of cosmic evolution and its governing parameters as well as addressing the Hubble tension.
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Detecting the turnover of the power spectrum with SKAO and other surveys
… our understanding of cosmic evolution and its governing parameters as well as addressing the Hubble tension.
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Rational control of hydrothermal nanowire synthesis and its applications
… analysis of heterogeneous chemical reactions. Governing parameters of hydrothermal growth were evaluated with experimental growth rates and calculated solubility plots. Supersaturation was shown to be a key parameter for the hydrothermal nanowire synthesis. Morphology control of the nanowire …
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Basal Stability of Braced Circular Excavations in Isotropic and Anisotropic Clays
… elucidate the detailed relationships between the governing parameters and the basal stability. As part of this study, regression-based equations were derived, which can be employed as quick and reliable engineering tools for estimating basal stability.
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The rise of Taylor bubbles in vertical and inclined pipes
… dimensionless analysis shows that different governing parameters appear according to the range of pipe inclination angle. The adopted CFD model shows good results for the dynamics of the Taylor bubble covering three main regions the bubble nose, the bubble body and the bubble wake …
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Design of a microbreather for two-phase microchannel devices
… To better understand the physics and governing parameters of the proposed breather, we have designed and fabricated test devices that allow cross-sectional visualization of the breathing events. We have conducted various experiments to examine the effects of device channel hydraulic …
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Numerical Modeling of Air Cushion Vehicle Flexible Seals
… to explore interdependencies between various governing parameters that affect performance is through high fidelity numerical simulation. As previous numerical efforts have employed separate iterative partitioned solvers, or have implemented simplified physics, the approaches have been complex, …
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Geotechnical behavior of shell foundations
… was conducted to examine the sensitivity of the governing parameters on the ultimate bearing capacity. Design charts and design tables are also presented to determine the bearing capacity coefficients and depth factors. In addition, the theory was extended to predict the ultimate bearing capacity …
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Modulation Of Hydrodynamic Forces On Oscillating Submerged Structures In Viscous Fluids
… hydrodynamic function depending on different governing parameters. The completed research activity thus elucidates the potential of the novel shape-morphing strategy to control and modulate hydrodynamic forces and power dissipation and its applicability in different research and application …
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Influence of bottom topography on cross-shelf circulation forced by time dependent wind
… quasi-geostrophic solution provided quantitative parameters to explain the scale dependence and helped to interpret the results of simulations meant to examine sensitivity of the cross-channel flow characteristics to variation of the governing parameters. It is shown that the structure of the …
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Design of parallel plate condensers with sintered wicks for a loop heat pipe
… each layer. To better understand the physics and governing parameters within the thin geometry of the condenser, an experimental setup was designed and fabricated that allowed for visualization and measurement of the condensing flow. Experimental studies were conducted to explore condensation …
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Analysis and Characterization of Residual Stresses in Pipe and Vessel Welds
… improved understanding of important parameters governing residual stresses in pipe and vessel welds, as well as a unified scheme for achieving consistent residual stress prescriptions for supporting fitness-for-service assessments of engineering structures. Specific contributions of …
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Energy Harvesting from the Vortex-Induced Vibrations of Bluff Body Oscillators
… Yet, the complex fluid-structure interactions governing vibration amplitude, synchronization, and energy transfer in single and coupled oscillators remain only partially understood, limiting the optimization of such systems for energy generation. This study presents a comprehensive experimental …
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