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 41 for “"Simulation and Modeling"”.
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Numerical simulation and modeling of microdroplet evaporation
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Analysis, simulation and modeling of three-level VSIs
… is given to minimization of output ripple and voltage balance of the dc-link input capacitors. Verification of the proposed SVM algorithm is done by computer simulation. Comprehensive small-signal modeling of the three-level converter with a resistive load is developed the first time. …
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SPICE simulation and modeling of DC-DC flyback converter
… of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Studies of Turbulent Round Jets Through Experimentation, Simulation, and Modeling
… surface. Theoretical analysis revealed trends and enabled modeling to improve the predictability of particle removal for various jet conditions. The second part of thesis aims at developing a non-intrusive measurement technique for free-shear turbulent flows in nature. Most turbulent jet …
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An Open-Source, Extensible Spacecraft Simulation And Modeling Environment Framework
An Open-Source, extensible spacecraft simulation and modeling (Open-SESSAME) framework was developed with the aim of providing to researchers the ability to quickly test satellite algorithms while allowing them the ability to view and extend the underlying code. The software is distributed under …
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Simulation and Modeling of Underground Coal Gasification Using Porous Medium Approach
Increasing global demand for energy and declining fossil fuel resources continue to make coal deposits a primary source of energy. However, the process of converting coal into valuable syngas through surface gasification requires conventional mining, extraction, transportation, storage, surface …
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Development of Aircraft Wake Vortex Dynamic Separations Using Computer Simulation and Modeling
… to evaluate wake vortex mitigation procedures and technologies in order to decrease aircraft separations, which could result in a runway capacity increase. Aircraft separation is a major obstacle to increasing the operational efficiency of the final approach segment and the runway. An aircraft …
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Numerical simulation and modeling of two-phase flows using the volume-of-fluid method
Two-phase flows are of great interest in natural and industrial applications such as cavitation, spray atomization, and bubbly flows. As a two-phase system grows in complexity, analytical approximations of fluid behavior and experimental observations become more challenging. To make the detailed …
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Simulation and modeling of magnetically-assisted impaction coating (MAIC) process for dry particle coating
The objective of proposed research is to model, and understand the processes happening at multiple length and time scales in magnetically assisted impaction coating process. The smallest length scale is of the order of the molecular size and is important because during collisions the molecules …
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Enhanced modeling : real-time simulation and modeling of graph based problems on interactive workbenches
This thesis presents a methodology and framework for designing systems that apply real-time simulation of computational models throughout the modeling and parameter modification stages of problem solving for graph based problems. An interactive problem solving technique is presented where the lines …
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Generation and Comparison of Equivalent Equation Sets in a General Purpose Simulation and Modeling Package
Made available in DSpace on 2014-12-13T18:01:42Z (GMT). No. of bitstreams: 1 7524434.pdf: 8646859 bytes, checksum: 3787b8c0d69b234c1e18541918b20478 (MD5) Previous issue date: 1975
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Non-Linear Finite Element Method Simulation and Modeling of the Cold and Hot Rolling Processes
A nonlinear finite element model of the hot and cold rolling processes has been developed for flat rolling stock with rectangular cross section. This model can be used to analyze the flat rolling of cold and hot steel rectangular strips under a series of different parameters, providing the rolling …
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On the simulation and modeling for the reaction mechanism and solid state detonation phenomena in non-conventional explosives
… we present a kinetic model in carrying out a simulation of reaction mechanism in porous aluminum and Teflon mixtures. The models and simulations are presented for the reaction mechanism, shock ignition and the development of detonation in a select aluminum and Teflon mixture. To achieve …
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Development and Evaluation of a Simulation System Based Upon Standard Pedestrian Thoroughfare Methodologies
… was undertaken to determine whether existing simulation and modeling systems could be used to analyze and model pedestrian traffic flows. The study incorporates the Highway Capacity Manual 2000 (HCM) (Transportation Research Board, National Research Council [TRB], 2000a) methodologies into a …
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A taxonomical review of software verification techniques: an illustration using discrete-event simulation
The use of simulation and modeling as a technique for solving today's complex problems is ever-increasing. Correspondingly, the demands placed on the software which serves as a computer-executable representation of the simulation model are increasing. With the increased complexity of simulation …
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Techniques for Analog Multilevel Simulation
System-level and multilevel simulations are becoming more and more important in the design and verification of analog circuits and systems. Due to certain limitations in SPICE, new simulation and modeling techniques must be developed for this purpose. This dissertation proposes efficient algorithms …
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Advanced fluid-structure interaction techniques for modeling ringsail parachutes
The Team for Advanced Flow Simulation and Modeling (T☆FSM) at Rice University specializes in developing fluid-structure interaction (FSI) modeling techniques for several classes of challenging problems including geometrically complex parachutes. Current modeling technologies are expanded upon …
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Application of Computer Modeling and Simulation Techniques for Optimization of Factory Floor Operations in Small to Medium- Sized Businesses
<p>The rationale and motive for this thesis was to prove that no matter the size of a company and its particular value stream, the application of applied computer science principles with a reliance on computer modeling and simulation onto the factory floor process improves efficiencies and …
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Space--Time Computation of a Ringsail Parachute With Model Thickness
The Team for Advanced Flow Simulation and Modeling specializes in computational analysis of geometrically complex parachutes. In earlier computations, the parachutes modeled by our team did not include the fabric thickness in the fluid domain, as doing so would require a large number of elements, …
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A Computer Model to Estimate Benefits of Data Link Mandates and Reduced Separations across North Atlantic Organized Track System
… (MNPS) airspace to increase the capacity and efficiency of the North Atlantic Organized Track System (NAT OTS). A numerical integration and simulation model called North Atlantic Simulation and Modeling (NATSAM) is developed to study the effects of these new strategies on NAT system …
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