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 63 for “"Monte Carlo analysis"”.
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A Monte Carlo analysis of neutron thermalization in graphite
… using the pulsed source method. This thesis is a Monte Carlo calculation of the results to be expected in such an experiment. The neutron flux and energy spectrum was calculated at 1, 2, 5, and 10 microseconds after a burst of fast neutrons. The neutrons were “tracked" to thermal and the Fermi Age …
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Transport of copiotrophic bacteria in oligotrophic coarse soils: a Monte Carlo analysis
On-site wastewater treatment systems placed in coarse-grained, oligotrophic soils such as those typically found in the mountainous regions of the West are designed and installed with the assumption that most pathogenic microorganisms will not pass unaltered through an unsaturated zone located in …
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Determining capture zones for three-dimensional, heterogeneous, anisotropic aquifers by Monte Carlo analysis
… thereby introducing uncertainty in capture zone analysis. This study used a Monte Carlo analysis of three sets of statistical parameters defining aquifer heterogeneity. Each set had a different variance for the mean natural log hydraulic conductivity, which varied among the sets by a factor of …
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Experiments and Monte Carlo Analysis for the Optical Properties of the Scintillator in SNO+
… model of the scintillator bucket simulated by an analysis tool called RAT, the light yield of the scintillator could be determined by comparing data measurements with simulations. This allowed the light yield, one of the main optical properties of the scintillator, to be measured and that value to …
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Monte Carlo analysis of non-equilibrium steady states and relaxation kinetics in driven lattice gases
… in one, two, and three dimensions using precise Monte Carlo simulations of larger system sizes than previous studies. In the one-dimensional asymmetric exclusion process on a ring with half the lattice sites occupied, we find that correlations induce extremely slow relaxation to the asymptotic …
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Monte Carlo Analysis and Physics Characterization of a Novel Nanoparticle Detector for Medical and Micro-dosimetry Applications
… The second tool utilizes an open source Monte Carlo particle transport code, and was applied for small animal dosimetry studies to calculate organ doses and recommend new techniques of dose prescription in mice, as well as to characterize dose to the murine bone marrow compartment with …
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Using Monte Carlo Analysis to Assess Outcome-based Payment for Environmental Services for Denitrifying Bioreactors in the Chesapeake Bay
… of contractual conditions. This research applies Monte Carlo simulation to a case study bioreactor in the Chesapeake Bay Watershed to estimate the financial risks and rewards to N removal service providers under different outcome-based PES contractual conditions. Results indicate that under a …
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A Monte Carlo Analysis of Cost Competitiveness of Chinese and U.S. Fine Chemical Exports to Europe Under Europe’s Energy Crisis
… Chinese fine chemical exports to Europe, using a Monte Carlo simulation parameterized with historical data from 2015-2023, to provide a probabilistic forecast of competitive outcomes. The findings revealed that while China holds a 76.55% probability of being the lower-cost supplier, its advantage …
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Linear covariance analysis of atmospheric entry for sample return mission
Linear covariance analysis is an uncertainty analysis tool comparable to Monte Carlo analysis; both provide similar statistical information about the performance and uncertainties of a dynamic system. Linear covariance analysis linearizes the models of a dynamic system and propagates the state …
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Misalignment Effects of the Self-Tracking Laser Doppler Vibrometer
… The study consists of a parametric sensitivity analysis of misalignment variables, a parametric Monte Carlo analysis of misalignment variables, and a full interaction Monte Carlo analysis of misalignment variables. In addition, the results of the misalignment variable analyses were used to …
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Probabilistic evaluation of tankship damage in collision events
… method, or collision model, is used in a Monte Carlo analysis with probability density functions defining the specific collision scenario parameters for each "case". The Monte Carlo analysis generates a statistically significant number of collision events and results which are applied …
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A Monte-Carlo performance analysis of Kalman filter and targeting algorithms for autonomous orbital rendezvous
… and associated targeting algorithms using a Monte-Carlo analysis, and based on quantitative performance metrics including: total change in velocity required, navigation errors, target pointing errors. In addition, other aspects of the algorithms will be studied including: technology readiness …
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From Hypernuclei to Hypermatter: a Quantum Monte Carlo Study of Strangeness in Nuclear Structure and Nuclear Astrophysics
… work presents the recent developments in Quantum Monte Carlo calculations for nuclear systems including strange degrees of freedom. The Auxiliary Field Diffusion Monte Carlo algorithm has been extended to the strange sector by the inclusion of the lightest among the hyperons, the Λ particle. …
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The effects of manufacturing variability on turbine vane performance
… characterized by performing Principal Components Analysis (PCA) on a set of measured vanes and then applied to a different vane design. The performance scatter of that design is estimated through Monte Carlo analysis. The effect of a single PCA mode on performance is estimated and it is found that …
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Essays on choice modeling
… on how to select the appropriate model. A Monte Carlo study is set up to analyze the performance of different information criteria and tests used to discriminate between models, either nested or non-nested. In particular, within non-nested models, four criteria and three tests are assessed, …
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Computationally efficient characterization of standard cells for statistical static timing analysis
… efficient statistical static timing analysis (SSTA) technique that addresses intra-die variations at near-threshold to sub-threshold supply voltage, simulated on a scaled 32nm CMOS standard cell library. This technique would characterize the propagation delay and output slew of an …
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Development, Verification, and Future Applications of a 3-DoF Entry and Descent Simulation Tool
… and landing, (EDL) and to present a brief analysis of possible dispersion patterns related to autonomous radiosonde deployment on the surface of Mars.</p> <p>The EDL simulation tool is written in Matlab. The aerodynamic information used by the tool is obtained with the use of HEAT/TK. …
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Parametric Yield and Tolerance Optimisation of Electromagnetic Devices using Feature-based Non-Linear Partial Least Squares Polynomial Chaos Expansion Surrogates
… thesis, we propose a rapid yield and sensitivity analysis approach exploiting feature based non-linear partial least squares polynomial chaos expansion (NLPLS-PCE). In the proposed method, yield is approximated at the level of the feature points since the functional relationship between the …
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Intelligent Knowledge Distribution for Multi-Agent Communication, Planning, and Learning
… through discrete optimization and Markov chain Monte Carlo analysis. IKD is adapted real-time through machine learning of the actual environmental impacts on the behavior of the system, including collaboration strategies between autonomous agents, the true value of information between …
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