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 19 of 19 for “"high fidelity modeling"”.
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High-fidelity modeling for moored floating bodies
L'abstract è presente nell'allegato / the abstract is in the attachment
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High-Fidelity Modeling of Airfoil Interaction with Upstream Turbulence
… and interact with an SD7003 airfoil in a high-fidelity numerical simulation. A perturbation velocity field is generated from a summation of Fourier harmonics and applied to the forcing function in the momentum terms of the Navier Stokes Equations. The result is a three-dimensional, …
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HIGH-FIDELITY MODELING AND PHYSICS OF BIO-INSPIRED MORPHING AND FLAPPING WINGS
… flight have motivated the development of a high-fidelity three-dimensional flexible multibody aeroelastic modeling framework and the exploration of the role of flexibility in coupled dynamics. To predict the fully-coupled fluid-flexible multibody structure system, a partitioned body-fitted …
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High-fidelity modeling of high-enthalpy plasma wind tunnels for hypersonic testing
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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High-Fidelity Modeling of eVTOL Rotor Unsteady Aerodynamic and Aeroacoustic Response to Time-Harmonic Gust
<p>The rapid emergence of Urban Air Mobility (UAM) demands accurate prediction and mitigation of noise generated by electric vertical take-off and landing (eVTOL) aircraft operating in complex urban environments. Among the various noise sources, the aerodynamic and acoustic response of rotors to …
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On the design of electrospray emitters and their microfluidic behavior
… An impedance value of <1.5 x 10¹⁷ kgm⁻⁴s⁻¹ or higher is required to achieve pure ionic emission. A gap in the literature exists in for the analysis of high-fidelity modeling of the total hydraulic impedance of emitters. Estimates of the internal and external wetting characteristics are combined …
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Heat transfer through a condensate droplet on hydrophobic and nanostructured superhydrophobic surfaces
… thesis, we reconcile classical droplet growth modeling barriers by utilizing two-dimensional axisymmetric numerical simulations to study individual droplet heat transfer on non-wetting surfaces (90° < θ_a < 170°). Incorporation of an appropriate convective boundary condition at the liquid vapor …
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A numerical framework for the direct simulation of solid-fluid systems
… been severely limited by the nonexistence of a high-fidelity modeling capability for these multiphase systems. Continuum modeling approaches overlook the microscale solid-fluid interactions from which macroscopic system properties emerge, while experimental inquiries have been plagued by high …
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Mission-driven Sensor Network Design for Space Domain Awareness
… metaheuristic optimization techniques and high-fidelity modeling and simulation, this research investigates the intricate interplay between sensor characteristics, network topology, and state estimation performance. The research aims to develop actionable recommendations for optimizing …
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Creating a shipboard power simulation tool using electrical load behavior modeling
… evaluate many scenarios, as opposed to intense, high fidelity modeling of a single operating scenario, may best serve these applications. This thesis presents a behavioral simulator that can quickly emulate the operation of a relatively large collection of electrical loads, providing "what-if" …
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The Distributed Open Network Emulator: Applying Relativistic Time
… network simulation tools achieve large scale modeling, they do so by ignoring much of the intra-program state that plays an important role in the overall system's behavior. This work presents The Distributed Open Network Emulator, a scalable distributed network model that incorporates …
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Fission Multiplicity Distribution Sampling in MCNP6 Criticality Calculations
… resources advance, there is growing interest in high fidelity modeling, including nuclear fission physics modeling. Extensive criticality benchmarks have been established to verify and validate Monte Carlo calculations versus analytic solutions and benchmarked experiments using the expected-value …
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Numerical Investigation of Rotor-Gust Acoustic Interactions Using the OVERFLOW CFD Solver
… of Urban Air Mobility (UAM) necessitates high-fidelity modeling to predict and mitigate the noise signatures of electric vertical take-off and landing (eVTOL) aircraft within dense urban landscapes. A critical unknown in community-noise certification is the aeroacoustic response of rotors …
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Modeling and simulation of an all electric ship in random seas
… system (IPS). The AES simulator incorporates high order techniques for the hull modeling with low order, low effort models for the propellers, IPS, and prime movers, culminating in a fully-coupled, end-to-end, simulation environment, which is still practical for high effort studies like …
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An Analysis of Hybrid Life Support Systems for Sustainable Habitats
… requires LS system analyses including both high fidelity modeling and high level trade space exploration of candidate architectures. A particularly relevant trade for sustainable, long duration missions exists between the implementation of physicochemical and bioregenerative LS technologies. …
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Exploratory Study on the Design of Combined Aero-Thermo-Structural Experiments in High Speed Flows
… analysis over long time records. High fidelity modeling over these long trajectories is prohibitively expensive computationally. In addition, validation of approximate models is limited due to the lack of experimental data capturing coupled fluid-thermal-structural interactions.The …
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Development and benchmarking of advanced FM-based particle transport algorithms for steady-state and transient conditions, implementation in RAPID and its VRS web-application
… formulations and codes that yield accurate, high-fidelity solutions with reasonable computing resources and time. These tools are essential for modeling innovative nuclear systems, such as next-generation reactor designs. The existing methods generally compromise heavily between accuracy and …
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System and Reactor Design, and Materials Testing, for Efficient Thermochemical Solar Fuel Production in Temperature/Pressure Swing Redox Cycles
… While electrochemical water splitting has high TRL its cost is higher than future targets, especially when coupled with transient renewables. In this thesis we consider solar thermochemical hydrogen (STCH) with redox cycles using non-stoichiometric metal oxides. This pathway uses renewable …
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Compact Electromechanical Actuators for Urban Air Mobility: Development of a Framework for Design, Digital Twin and PHM Integration in eVTOL Aircrafts
L'abstract è presente nell'allegato / the abstract is in the attachment