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 26 for “"microscopic models"”.
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Classical models of heavy ion collisions
… energy heavy-ion collisions using classical microscopic models. The role of the EOS on the disassembly of expanding, hot nuclear matter, as well as the experimental data on multi-fragmentation and collective flow phenomena, are reviewed. Microscopic models used to describe heavy-ion …
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Classical models of heavy-ion collisions
… energy heavy-ion collisions using classical microscopic models. The role of the EOS on the disassembly of expanding, hot nuclear matter, as well as the experimental data on multi-fragmentation and collective flow phenomena, are reviewed. Microscopic models used to describe heavy-ion …
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Two-photon fluctuation correlation spectroscopy: Method and applications to protein aggregation and intracellular diffusion
… of hydrodynamics and molecular interactions of microscopic systems. The method monitors the statistical behavior of spontaneous equilibrium fluctuations in number occupation of a fluorescent species in a subvolume of a sample. Microscopic models have been developed which relate observed …
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The Pressure Dependence of the Low Temperature Thermal Properties of an Amorphous Polymer
… sharp decrease in phonon mean free path. Some microscopic models for specific glasses imply that the 1 K-10 K regime and the sub-Kelvin regime are related. There is also a controversial theory that ascribes the behavior above 1 K to a universal phonon-fracton crossover in glasses. In order to …
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The pressure dependence of the low-temperature thermal properties of an amorphous polymer
… sharp decrease in phonon mean free path. Some microscopic models for specific glasses imply that the 1 K- 10 K regime and the sub-Kelvin regime are related. There is also a controversial theory that ascribes the behavior above 1 K to a universal phonon-fracton crossover in glasses. In order to …
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Theory and simulation of amorphous organic electronic devices
… excited states). In this thesis we employ microscopic models of polaron and exciton processes to calculate macroscale phenomena in amorphous small molecular weight organic thin films using Monte Carlo (MC) simulations. The principle results that we report are: (1) the experimental …
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Quantum spin transport in paramagnetic systems
… this thesis we present both phenomenological and microscopic models of spin diffusion, retaining the important aspects of statistical approaches to transport while incorporating relevant quantum effects. These methods allow an efficient calculation of energy diffusion for a long- range …
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A stochastic mesoscopic cell-transmission model for operational analysis of large-scale transportation networks
… calibration and computational advantages over microscopic models. This study presents a series of enhancements to the original form of CTM. These enhancements show potential to increase the model’s accuracy and realism of traffic flow representation. For example, topological enhancements and …
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Statistical Physics of Soft Random Solids: Vulcanization, Heterogeneity, and Elasticity
… properties. Vulcanization theory studies semi-microscopic models of random-solid-forming systems, and applies replica field theory to deal with their quenched disorder and thermal fluctuations. The elastic deformations of soft random solids are argued to be described by the Goldstone sector of …
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Mesoscopic Fuel Consumption and Emission Modeling
… improvement programs. Current state-of-the-art models estimate vehicle emissions based on typical urban driving cycles. Most of these models offer simplified mathematical expressions to compute fuel consumption and emission rates based on average link speeds while ignoring transient changes in a …
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Fabrication and mechanical characterization of liquid-in-solid elastomeric soft composites
… application potentials. Despite established microscopic models for describing elastic behaviors of the two-phase material incorporating liquid-solid interfacial energy, how multiple liquid inclusions would affect the macroscopic mechanical properties of composites are not yet fully …
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From Microscopic to Macroscopic Scales: Traffic Waves and Sparse Control
Existing traffic models are widely used in multiple frameworks, most prominently, microscopic vehicle-scale occurring on the scale of seconds and macroscopic city-scale flow patterns that develop over the scale of hours. Research works and practical applications usually employ either one or the …
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Microscopic physics of transition edge sensors
… from quantum cryptography to x-ray spectroscopy. Models of TESs often employ a circuit theory approach, taking TES parameters such as the temperature and current dependent resistance as inputs, but there are few microscopic models which allow prediction of these parameters. In this thesis, I …
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Macroscopic order from reversible and stochastic lattice growth models
… advances the understanding of how autonomous microscopic physical processes give rise to macroscopic structure. A unifying theme is the use of physically motivated microscopic models of discrete systems which incorporate the constraints of locality, uniformity, and exact conservation laws. The …
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Right Turn Split: A New Design To Alleviate Weaving On Arterial Streets
… of way. Thirdly, the dissertation compared two microscopic models, SimTraffic and VISSIM, to choose the most suitable model to be used to study the operational benefits of the RTS design. Based on the results of the comparison, it was decided to use SimTraffic for the analysis. Fourthly, the …
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An Integrated Agent-Based Microsimulation Model for Hurricane Evacuation in New Orleans
… processing must be incorporated, vehicle-based microscopic models have always been used only to simulate small to medium sized urban areas. Few studies have attempted to address problems associated with mass evacuations using vehicle-based microsimulation at a regional scale. This study develops …
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Computer stimulations of particulate recording media
… recording media the relationship between the microscopic and the macroscopic behaviour must be more precisely understood. Computer simulations are an invaluable tool in the development and testing of models of these media. Presented here are several computer simulations of particulate …
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Empirical verification of modeled queue lengths
… engineers surveyed stated that they felt the models reported shorter queue lengths than those actually observed in the field while others stated that they felt the models reported longer queues than actual queue lengths. The survey also indicated that most of the engineers surveyed did not …
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Multiscale Modelling of Cancer Response to Viral Therapy
… fixed point theorem for several macroscopic and microscopic models. To achieve this, we take advantage of essential mathematical concepts involving the theory of semigroups, the sectorial operator, the lipschitzianity properties, space embeddings for Holder continuous functions, the triangle …
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Quantifying the Impact of Traffic-Related and Driver-Related Factors on Vehicle Fuel Consumption and Emissions
… Regulation. Several types of energy and emission models have been developed to capture the impact of a number of factors on vehicle fuel consumption and emissions. Specifically, the current state-of-practice in emission modeling (i.e. Mobile5 and EMFAC7) uses the average speed as a single …
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