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 251 for “"simulation methods"”.
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Simulation methods for plasmonic structures
… constraints. Mathematical modeling and numerical simulation are therefore essential to accurately predict the response of the physical system, and must be incorporated in the design process. Nonetheless, plasmonic simulations present notable challenges. From the physical perspective, the realistic …
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Direct Simulation Methods for Multiple Changepoint Problems.
… independence property. This algorithm enables simulation from the true joint posterior distribution of the number and position of the changepoints for a class of changepoint models. The computational cost of this exact algorithm is quadratic in the number of observations. We further show how …
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Fast simulation methods for soft matter hydrodynamics
… thesis describes the systematic development of methods to perform large scale dynamic simulations of hydrodynamically interacting colloidal particles undergoing Brownian motion. Approximations to the hydrodynamic interactions between particles are built from the periodic fundamental solution for …
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Differentiable Simulation Methods for Robotic Agent Design
… robot design pipeline with differentiable simulation as a key player. We first introduce the concept of computational robot design on a real-world copter whose geometry and controller are co-optimized with a differentiable simulator, resulting in a custom copter that outperforms designs …
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PRICING BARRIER OPTIONS - USE OF NUMERICAL SIMULATION METHODS
… model for pricing them. Both theoretical and simulation methods have been used in the past to price barrier options. The various theoretical models that have been developed in the past are first illustrated in this thesis. However, as the complexity of the options increases it becomes too …
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Inventory management for perishable goods using simulation methods
… levels with more accurate results than current methods. This improvement is shown to come from accounting for the known variability in lead time, as well as survival rate of the product.
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Simulation methods for polydisperse, multiphase flows using moment methods
… there is currently a lack of numerical solution methods to solve for these types of flows. In this work, three new numerical procedures are developed in order to accurately solve for systems containing polydisperse multiphase flows, and flows with velocity distributions. The ability to correctly …
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Distributed Simulation Methods and Algorithms for Superconducting Quantum Computer Reliability
… devices. Modelling such events with standard methods is a masterfully complex endeavour, which is ultimately hampered by computational costs in terms of memory and time. There is a growing requirement for an accurate fault model able to characterise a qubit's interaction with impinging …
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Development of particle-scale simulation methods for multiphase flow study
… is focused on the particle-scale numerical simulations in two areas: fast pyrolysis of biomass particles and interactions of fuel drops and heated walls.</p> <p>The first topic is the fast pyrolysis of biomass materials, an effective means to convert biomass into useful energy products. The …
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Simulation methods for the development of modular strategic guidance systems
The traditional approach to simulation-based system design results in a stovepiped development process where subsystems are developed independently and integration requirements are then levied on the system architecture. For applications like the MK6 Life Extension program, where a modular system …
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Stochastic Simulation Methods for Solving Systems with Multi-State Species
Gillespie's stochastic simulation algorithm (SSA) has been a conventional method for stochastic modeling and simulation of biochemical systems. However, its population-based scheme faces the challenge from multi-state situations in many biochemical models. To tackle this problem, Morton-Firth and …
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An analysis of stress variation in tractor axles by simulation methods
Digitized by Kansas Correctional Industries
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Detecting Rater Centrality Effect Using Simulation Methods and Rasch Measurement Analysis
… how to detect the rater centrality effect in a simulation study that approximates data collected in large scale performance assessment settings. It addresses three research questions that: (1) which of several centrality-detection indices are most sensitive to the difference between effect …
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Lattice Boltzmann simulation methods for boundaries and interfaces in multi component flow.
… Lattice Boltzmann algorithm targeting the simulation of immiscible fluids at low Reynolds number and low Capillary number. The Lattice Boltzmann method will be explained along with its multi-component extensions. Key method developments shall first be developed in terms of single component …
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Understanding long timescale phenomena in atomic systems from accelerated molecular simulation methods
Conventional molecular dynamics simulations have been proven instrumental to the understanding of material behaviors. However, the temporal constraints of molecular dynamics simulations have limited attempts to capture long timescale dynamics of material systems, such as phase transitions or …
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Development of Hybrid Fire Simulation Methods and Their Applications to Column Fire Tests
… toward performance-based design. The hybrid fire simulation method, where a physical element and a numerical model are integrated, can be used to combine the benefits of the element-level fire test and system-level fire analysis. Although the development of the hybrid fire simulation method …
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Forecasting the S&P 500 index using time series analysis and simulation methods
… the time range of 10/2008 - 09/2009. Several methods were used for prediction fit including: Linear Regression, Time Series Models: Autoregressive Integrated Moving Averages (ARIMA), Double Exponential Smoothing, Neural Networks, GARCH, and Bootstrapping Simulations. The criteria to evaluate …
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Simulation methods and tissue property models for non-invasive transcranial focused ultrasound surgery
… the brain. The current spectrum of non-invasive methods for treating such tumors includes radiotherapy, which requires exposure to ionizing radiation, and chemotherapy, which is systemically toxic. However, these tumors may also potentially be attacked by focusing highly intense ultrasound onto …
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Stochastic Simulation Methods for Biochemical Systems with Multi-state and Multi-scale Features
In this thesis we study stochastic modeling and simulation methods for biochemical systems. The thesis is focused on systems with multi-state and multi-scale features and divided into two parts. In the first part, we propose new algorithms that improve existing multi-state simulation methods. We …
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