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.
Results
Showing 1 to 20 of 141 for “"Dynamics Modeling"”.
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Web dynamics : modeling, simulation, and experimentation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Plasma and particles dynamics modeling in PECVD reactors.
Plasma and particles dynamics modeling in PECVD reactors.
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Computational Fluid Dynamics Modeling of Compact Steam Generators
… the use of Multiphase Computational Fluid Dynamics (M-CFD) to simulate two-phase flow boiling in CSGs based on Printed Circuit Heat Exchanger (PCHE) technology. Using the commercial CFD code STAR-CCM+, two modeling approaches—the Volume of Fluid (VOF) model and the Two-Phase Thermodynamic …
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System dynamics modeling of generic quality improvement programs
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Evaluating Los Angeles Homelessness Policy Using System Dynamics Modeling
… scenario analysis, employing system dynamic (SD) modeling. This study primarily focuses on the evaluation of the Housing First approach and the identification of more effective responses to homelessness. I use a linear regression model to identify key prevention policy levers, including, but not …
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Molecular dynamics modeling of ionic liquids in electrospray propulsion
… in the micro to nano scale. Thus, atomistic modeling is used to understand properties of emitted charged particles which determine how the thrusters perform. As a preliminary study of ion emission from Taylor cones, ion evaporation from 3 - 5 nm droplets was observed in molecular dynamics …
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Structural dynamics modeling of helicopter blades for computational aeroelasticity
This thesis deals with structural dynamics modeling and simulation in time domain of helicopter blades for computational aeroelasticity. A structural model and an aeroelastic model are provided and a computer program has been developed and tested in this research. In the structural model, …
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Physics-based flame dynamics modeling and thermoacoustic instability mitigation
… mitigation strategies by modifying the dynamics of the flame anchoring zone. The two different anchoring configurations investigated were the wake-stabilized flames and the perforated-plate stabilized flames. In order to investigate the wake-stabilized flames, experiments were performed …
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Prediction of Waste Generation and Disposal Using System Dynamics Modeling
… management system. In this thesis, the system dynamics (SD) model is used to predict the amount of waste generation and disposal in Canada. Different types of wastes are considered in the SD model. Gross domestic product (GDP) and population are the socio-economic variables that have a …
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Dynamic 3D Gaussian tracking for graph-based neural dynamics modeling
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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Dynamics modeling and analysis of a Sawyer linear stepper motor
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1993.
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Advanced Multibody Dynamics Modeling of the Freight Train Truck System
… at Virginia Tech focused on better capturing the dynamics of the friction wedge, modeled as a 3D rigid body. The current study extends that work to a half-truck model treated as an application of multibody dynamics with unilateral contact to model the friction wedge interactions with the bolster …
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CONTINUUM DISLOCATION DYNAMICS MODELING OF THE DEFORMATION OF FCC SINGLE CRYSTALS
A continuum dislocation dynamics model was developed for simulation of the deformation of Face Centred Cubic (FCC) single crystals. In this model, dislocations are described by a set of vector fields, one per slip system, whose evolution is governed by curl-type kinetic equations describing the …
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Computational fluid dynamics modeling of a continuous tubular hydrothermal liquefaction reactor
… this study is to develop a computational fluid dynamics (CFD) model using commercial code ANSYS FLUENT to examine the adequacy of the current design. The model takes inputs of operating temperature of the reactor, temperature of the feedstock reservoir, and residence time, and outputs various …
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System dynamics modeling for human performance in nuclear power plant operation
… is a quantitative computer model built by system dynamics methodology, on human reliability aspect and used it to predict the dynamic behavior of NPP human performance, analyze the contribution of a single operation activity to the plant performance under different circumstances, diagnose and …
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Learning-Based Methods for Spacecraft Dynamics Modeling, Filtering, and Predictive Control
… control approaches have relied on an analytical dynamics model with a set of parameters that are estimated from observations of effective spacecraft dynamics. Without extensive a priori knowledge of the system under study, however, it can be difficult to identify a parametric model structure that …
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A Data-Driven Approach to System Dynamics Modeling and Control Design
This thesis presents an in-depth investigation on modeling and simulation of an optical fiber extrusion system and its controllers in production. With measured production data during the fiber drawing process, a long short-term memory (LSTM) neural network is architected, implemented, and trained …
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Networking technology adoption : system dynamics modeling of fiber-to-the-home
A system dynamics model is developed and run to study the adoption of fiber-to-the-home as a residential broadband technology. Communities that currently do not have broadband in the United States are modeled. This case is of particular interest to U.S. policymakers, but also relevant to other …
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An Experimental Evaluation of the Experimental Spatial Dynamics Modeling (ESDM) Technique
… An important new technique, Experimental Spatial Dynamics Modeling (ESDM), utilizes such spatially dense velocity data. ESDM models continuous, three-dimensional velocity fields using LDV velocity data. Thus, ESDM is a powerful structural dynamics analysis tool that significantly enhances the …
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Population Dynamics Modeling and Management Strategy Evaluation for an Invasive Catfish
… species. My study focused on understanding the dynamics of this species based on multiple long-term monitoring data and evaluating potential management strategies to meet stakeholder needs. I sought to understand how is growth variability was partitioned over time and space, how Blue Catfish …
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