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 18 of 18 for “"Multi-Physics Modeling"”.
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Multi-Physics Modeling of Terahertz and Millimeter-Wave Devices
… time. For an independent verification, a novel multi-physics simulator is developed to analyze active terahertz plasmonic structures. It is also anticipated that the solver can offer novel ideas for guiding the SPs inside the future plasmonic circuits. </p> <p>In a different approach to design …
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Modeling Energy Harvesting From Membrane Vibrations using Multi-physics Modeling
… as well as a deeper understanding of the physics involved. These are the twin goals of this research. This work describes a modeling algorithm using COMSOL, a multi-physics software, to predict the structural mechanics of and subsequent power harvested from a piezoelectric patch placed on …
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Multi-physics modeling of heat and particle transfer in porous media
… Complex Evolution (SCE) method for inverse modeling to determine optimal filtration parameters and permeability reduction parameters further enhances the significance of the research by providing a robust and efficient approach to locate the global optimal set of parameters. The research …
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Multi-physics Modeling and Calibration for Self-sensing of Thermomechanical In-plane Microactuators
… TIM would need to be obtained to describe the physics of the TIM, as well as development of a calibration approach to account for variations between devices. This thesis develops a multi-physics model of the TIM to realize this sensing approach. This model determines the mechanical state of the …
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Multi-physics modeling of plasma discharge and material removal in micro electro-discharge machining process
… there is a strong need for development of a physics-based model to gain fundamental knowledge of the micro-EDM process. In this research work, a multi-physics model of the micro-EDM process has been developed to understand formation and expansion of micro-EDM plasma, and the process of …
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A hybrid physics-based/data-driven computational framework for multi-physics modeling of metal additive manufacturing
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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3D multi-physics modeling for the DC characterization of high-temperature superconducting Conductor-On-Round-Core cables
L'abstract è presente nell'allegato / the abstract is in the attachment
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Multi-physics modeling of plasma discharge, material removal and debris ejection in electrical discharge machining with flowing dielectric film
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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DATA-DRIVEN MULTI-SCALE MULTI-PHYSICS MODELLING OF THERMAL STRESS AND DISTORTION IN ADDITIVE MANUFACTURING
We construct a multi-scale multi-physics modeling framework to predict the thermal stress and distortion in AM fabrications. With the proposed approach, the rough surfaces and internal voids can be well incorporated. The coupled CFD-FEM approach are utilized to simulate the two typical powder-based …
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Design of Optical Measurements for Plasma Actuators for the Validation of Quiescent and Flow Control Simulations
… one particular experiment is through the use of multi-physics modeling of dielectric barrier discharge actuators. The research in this thesis uses optical measurement techniques to validate computational models of flow control actuators being done concurrently at Virginia Tech. The primary focus …
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Electromagnetic-thermal modeling for high-frequency air-core permanent magnet motor of aircraft application
… of the proposed motor topology, a large-scale multi-physics optimization is needed to obtain the best design candidates, which is not favorable for current electrical machine software. Therefore, developing electromagnetic (EM) and thermal analytical methods with computational efficiency and …
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Multi-physics and technical analysis of high-temperature gas-cooled reactors for hydrogen production
… this work studies Moltres applicability to multi-physics simulations of prismatic High-Temperature Gas-cooled Reactors. Multi-physics simulations are necessary for assessing reactor safety characteristics. Ensuring Moltres’ multi-physics modeling capabilities requires assessing the …
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Multi-Physics Model of a Dielectric Barrier Discharge Flow Control Actuator with Experimental Support
… presents an experimentally supported multi-physics model of a dielectric barrier discharge boundary layer flow control actuator. The model is independent of empirical data about the specific behavior of the system. This model contributes to the understanding of the specific mechanisms …
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Laser-driven micro-transfer printing for MEMS/NEMS integration
… the conventional micro-fabrication processes and multi-layer functional device integration. In its basic embodiment, micro-transfer printing is used to deterministically transfer and micro-assemble prefabricated microstructures/devices, referred to as “ink,” from donor substrates to receiving …
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Development of an integrated platform for the multi-physics simulation of superconducting magnets for fusion applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Methodologies for electromagnetic field modeling for computer aided analysis of multi-domain physical interactions
… are presented in this work to facilitate the modeling of electromagnetic fields in the context of multi-domain physical interactions. Among the challenges for computer aided analysis of electromagnetic problems in interaction with other physical phenomena are the largely different temporal and …