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 25 for “"Multiphysics modeling"”.
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Multiphysics modeling in ARC-class reactors
L'abstract è presente nell'allegato / the abstract is in the attachment
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Stochastic multiphysics modeling of RF MEMS switches
… re-meshing during finite element electrostatic modeling. This is achieved through the development of a `map' between the deformed and un-deformed geometries. Thus only one finite element discretization on the original undeformed geometry is needed for performing electrostatic analysis on all …
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Multiphysics modeling of the steel continuous casting process
This work develops a macroscale, multiphysics model of the continuous casting of steel. The complete model accounts for the turbulent flow and nonuniform distribution of superheat in the molten steel, the elastic-viscoplastic thermal shrinkage of the solidifying shell, the heat transfer through the …
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Multiphysics modeling and simulation for large-scale integrated circuits
… (ICs): the ever increasing couplings among the multiphysics and the large problem size arising from the escalating complexity of the designs. A multiphysics-based computer-aided design methodology is proposed and realized to address multiple aspects of a design simultaneously, which include …
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Multiphysics Modeling Of Devices For Whole Organ Healthcare Applications
… data enabled designing, manufacturing, and modeling of novel organ healthcare devices. Specifically, we applied template engineering and structured-light scanning techniques to capture the 3D topographical information for whole organ systems. Sequentially, we developed multiphysics models …
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Coal gasification for fuel synthesis: Multiphysics modeling and new concepts
<p>Fuel synthesis through gasification of carbonaceous materials (e.g. coal and biomass) has the potential to provide a solution to the increasing demand for energy and liquid transportation fuels. To theoretically understand the complex physical and chemical processes in a gasifier and to identify …
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Ge-on-Si photodetectors for silicon photonics: multiphysics modeling and design
L'abstract è presente nell'allegato / the abstract is in the attachment
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Multiphysics modeling of activity transport and evolution of CRUD and steam generator oxides in pressurized water reactors
… this code can be easily coupled to other multiphysics codes through the MOOSE MultiApp system. A set of input file generation scripts, written in Python, were developed to calculate thermodynamic parameters for chemical reactions added to the simulation, and easily set up simulation input …
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Multiphysics modeling, study, and analysis of atmospheric pressure plasma-based mass separation system for high-level radioactive waste treatment
… and technology requirements using the COMSOL multiphysics tool. While PMSS can handle various Radioactive Waste (RW) types, the focus here is on HLRW. The study designs a universal plasma mass separation device operating in noble gas atmospheric pressure Inductively Coupled Plasma (ICP).
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Multiphysics Modeling And Simulation Process To Develop Thin Piezoelectric Film Sensors To Measure The Vibration Of Structures With Complex Shapes And Boundary Conditions.
… The objective of this work is to devise a multiphysics modeling and simulation process to develop thin piezoelectric film sensors to measure the vibration of structures with complex shapes and boundary conditions. First, the output charge of generic piezoelectric films, respectively …
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Multiphysics Design and Modeling for Advanced Packaging and Heterogeneous Integration of Power Delivery
The objective of this research is to solve the multiphysics design challenges in integrated power delivery for advanced electronic packaging and heterogeneous integration architectures. Embedded inductors, essential for efficient power delivery, must maintain high performance at elevated …
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Development, Analysis, and Comparison of Electromechanical Properties and Electrode Morphology of Ionic Polymer Metal Composites
… for effective IPMC actuation. A COMSOL multiphysics model is attempted in this thesis, which effectively describes a multiphysics modeling approach for the IPMC. This new functionally graded material is tested for its bending deformation, blocking force and the current consumption to …
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Enhancing Micro Free Flow Electrophoresis: Detection, Application, And Fabrication
… device designs were developed and modeled using Multiphysics modeling software to optimize a design for rapid on-line buffer exchange. This was performed with the intent of interfacing incompatible separation modes with electrospray ionization mass spectrometry (ESI-MS) to develop novel …
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Advanced geometries for dryout mitigation in temhd-driven liquid lithium systems
… post and foam structures. Using extensive COMSOL Multiphysics modeling and experimental testing, the propensity for TEMHD flow and the resistance to dryout in the face of high localized heat flux is investigated. The 3 post TEMHD designs exhibit effective TEMHD drive with maximum velocities on the …
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Theoretical and Experimental Investigations on Microelectrodeposition Process
… second and third parts of the dissertation work, multiphysics modeling was used to study the effects of the fabrication parameters on the uniformity of the deposit surface and suggest a design strategy. Surface texture of the deposit is another parameter which depends on the fabrication …
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Nonlinear Effects in Contactless Ultrasound Energy Transfer Systems
… of research on UAET systems has been limited to modeling and proof-of-concept experiments, mostly in the linear regime, i.e., under small levels of acoustic pressure that result in small amplitude longitudinal vibrations and linearized piezoelectricity. Moreover, existing models are based on the …
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Characterization of the cellular structure of foamed cement using x-ray computed tomography
… with finite element softwares such as COMSOL Multiphysics Modeling Software and Abaqus Unified FEA.
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Multiphysics Modelling on the Effects of Composition and Microstructure during Tribocorrosion of Aluminum-based Metals and Structures
… work developed a set of finite-element-based multiphysics models, in combination with experimental methods for parameter input and validation, focusing on different factors influencing the tribocorrosion behavior of materials. The first study developed a model with the coupling between strain …
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Flow control and associated technologies to advance the application of TEMHD-driven liquid lithium in fusion devices
… the flow are lacking. This thesis focuses on modeling and experimental techniques meant to aid in lithium flow control in LiMIT devices. A compact flow module was developed that utilizes the nozzle effect to drive high-velocity flow when impacted with high local heat fluxes. The proof of …
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