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 62 for “"Efficient Simulation"”.
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Efficient simulation of interconnection networks
… integral part of PARCSIM in an execution-driven simulation environment. This work emphasizes simulating complex switching schemes like wormhole routing efficiently. A detailed model for wormhole routing is implemented using two different techniques, and their relative advantages are evaluated. …
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Efficient simulation techniques for large-scale applications
Architecture simulation is an important performance modeling approach. Modeling hardware components with sufficient detail helps architects to identify both hardware and software bottlenecks. However, the major issue of architectural simulation is the huge slowdown compared to native execution. The …
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Efficient simulation of Large-Scale Superconducting Nanowire Circuits
… complexity of models required to accurately and efficiently simulate the device’s behavior becomes more challenging. Traditional circuit simulators used for superconducting devices tend to focus on frequency-domain simulation and are not optimized for simulating superconducting nanowire …
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Multiscale Modeling, Reformulation, and Efficient Simulation of Lithium-Ion Batteries
… on reformulating the battery model to improve simulation efficiency, allowing for use to solve problems which require many iterations to converge (e.g. optimization), or in applications which have limited computational resources (e.g. control).</p><p>Computational time is improved while …
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Surrogate Neural Networks for Efficient Simulation-based Trajectory Planning Optimization
… networks to reduce the computation time of simulation-based optimization of a reference trajectory. Simulation-based optimization is necessary when there is no analytical form of the system accessible, only input-output data that can be used to create a surrogate model of the simulation. …
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Efficient simulation of challenging PDE problems on CPU and GPU clusters
… contribution of this dissertation is to show how efficient parallelization techniques for numerical simulations of partial differential equations (PDEs) can be developed and which aspects have to be considered in order to obtain the best possible performance. For this purpose, the target platforms …
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Efficient simulation of molecular gas transport for micro- and nanoscale applications
We describe and validate an efficient method for simulating the Boltzmann transport equation in regimes typically encountered in nanotechnology applications. These transport regimes are characterized by non-vanishing Knudsen numbers, preventing simple analyses based on the Navier-Stokes equations; …
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Computationally efficient simulation-based optimization algorithms for large-scale urban transportation problems
In this thesis, we propose novel computationally efficient optimization algorithms that derive effective traffic management strategies to reduce congestion and improve the efficiency of urban transportation systems. The proposed algorithms enable the use of high-resolution yet computationally …
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KGML-N: a knowledge guided machine learning modeling framework for efficient simulation of N-yield response
… process-based (PB) models are detailed but inefficient for large-scale use, while simpler data-driven models are fast but often unreliable under new climate conditions. This thesis confronts this challenge by developing and validating a surrogate model KGML-N—a highly efficient machine …
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Speculation-Based Distributed *Simulation for Dependability and Performance Analysis
… of such complicated architecture requires an efficient technique to assess the schemes. The proposed speculation-based method is adopted to simulate the architecture behavior including recovery in the presence of faults. The technique allows efficient simulation without incurring much …
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ON SOLVING MULTI-OBJECTIVE SIMULATION OPTIMIZATION BY OPTIMAL COMPUTING BUDGET ALLOCATION AND RANDOM SEARCH
… These issues can be addressed by multi-objective simulation optimization, which employs efficient simulation to evaluate solutions' performance and such information is further used to guide the optimization. Despite the advantages of simulation optimization, there exist many challenges to be …
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Essays on Portfolio Optimization, Simulation and Option Pricing
… thesis consists of three papers which cover the efficient Monte Carlo simulation in option pricing, the application of realized volatility in trading strategies and geometrical analysis of a four asset mean variance portfolio optimization problem. The first paper studies different efficient …
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A meshless, high-order integral equation method for smooth surfaces, with application to biomolecular electrostatics
In this thesis, we develop methods for efficient simulation of biomolecular electrostatics based on Poisson-Boltzmann equation. Current techniques using finite-difference solution of differential formulation have many drawbacks. We present an integral formulation that resolves these difficulties …
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Developing An Object-oriented Approach For Operations Simulation In Speedes
Using simulation techniques, performance of any proposed system can be tested for different scenarios with a generated model. However, it is difficult to rapidly create simulation models that will accurately represent the complexity of the system. In recent years, Object-Oriented Discrete-Event …
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iFROST: A CAD tool for modeling and simulation of optical interconnects
… requires flexible, reliable, and computationally efficient computer-aided design tools. Optimizing component parameter specifications to achieve high manufacturing yield, long life, and low cost requires a large number of simulation runs. In addition, parallel optical interconnects require that …
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Rare event simulation for probabilistic models of T-cell activation
… thesis deals with the probabilistic modeling and efficient simulation of models which describe the mechanism of T-cell activation and foreign-self discrimination. Because of the complexity of the topic, the first part of the thesis forms a review of the recent experimental findings with regard to …
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Analysis of complex viscoelastic flows using a finite element method
… of this body of work is to develop a robust, efficient simulation package to model three-dimensional viscoelastic flows. In order to accomplish this goal, improvements to the numerical methods and equation formulation were necessary to help reduce the overall size of the equation set used to …
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Statistical analysis under the Schruben-Margolin correlation induction strategy in the absence of pure error
To facilitate the design of efficient simulation experiments, Schruben and Margolin (1978) recommend a correlation induction strategy for orthogonally blockable experimental designs. The objective of such experiments is to estimate a general linear regression model on the basis of a quantitative …
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Optimizing GPU Performance in Cylindrical FDTD Simulations
… 3D problem to a series of much smaller and fewer simulations. This dimensionality reduction enables accurate modeling of freeform optical devices with fine resolution using modest computational resources. We implement this approach via a GPU-accelerated FDTD solver in cylindrical coordinates, …
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