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 77 for “"Computational physics"”.
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Processor Arrays for Problems in Computational Physics (Parallel)
… occurring in numerical weather prediction and computational fluid dynamics on such systems are presented.
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Automatic ARIMA Time Series Modeling and Forecasting for Adaptive Input /Output Prefetching
… the PPFS2 [51] testbed. Results obtained for a computational physics code demonstrate 30% improvement in total execution time over the traditional Unix file system on three Linux clusters, equipped with different hardware configurations. More importantly, this performance improvement has small …
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Machine learning of molecular conformations, kinetics and beyond
… an increasingly important role in many fields of computational physics, including molecular simulation. In this thesis, I report my work on machine learning method developments for molecular simulation, and their applications on learning conformations and kinetics for molecular systems. First, I …
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Selected Topics on Molecular Electronics, Magnetism and Surface Science
… is a theoretical work on the solid state using computational physics. The basic tool underlying most of the calculations is Density Functional Theory, which describes the system in terms of the electronic density and maps the interacting system onto an equivalent non-interacting set of particles …
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Invariant-region-preserving discontinuous Galerkin methods for systems of hyperbolic conservation laws
… laws [X. Zhang and C.-W. Shu., Journal of Computational Physics, 2010]. The one-dimensional model problems investigated are the p-system for two by two system and compressible Euler equations for three by three case. The feature that the invariant regions for these systems can be expressed …
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A dimensionally split Cartesian cut cell method for Computational Fluid Dynamics
… work was recently published in the Journal of Computational Physics (Gokhale et al., 2018). Subsequently, we develop the method further to be able to compute solutions for the compressible Navier-Stokes equations. The method is globally second order accurate in the L1 norm, fully conservative, …
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Numerical Analysis of Flux Reconstruction
… become of increasing interest in recent years in computational physics. This is in part due to their perceived ability to, in some cases, reduce the computational overhead of complex problems through both an efficient use of computational resources and a reduction in the required degrees of …
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Quantum Algorithms for Solving Differential Equations with Application to Computational Fluid Dynamics
… to transform the way solutions to large-scale computational fluid dynamics (CFD) problems are obtained. This requires the development of efficient quantum algorithms for differential equations that are classically intractable. By bridging quantum mechanics with classical numerical methods and …
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Modelling Cell Orientation In Artificial Tissues
… needed to predict the process of tissue growth. Computational physics has potential to signicantly accelerate the progress of development and to improve the properties of engineered neural tissue (ENT). Research has found that correlation exists between physical forces and the arrangement of …
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General and Efficient Bayesian Computation through Hamiltonian Monte Carlo Extensions
… an idea of event-driven Monte Carlo from the computational physics literature. DHMC is guaranteed to outperform a Metropolis-within-Gibbs algorithm since, as it turns out, the two algorithms coincide under a specific (and sub-optimal) implementation of DHMC. The theoretical justification of …
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Statistical algorithms using multisets and statistical inference of heterogeneous networks
Computational statistics, including methods such as Markov chain Monte Carlo (MCMC), bootstrap, approximate Bayesian computation, is an important part in modern statistics and has been widely used in many areas, such as Bayesian statistics, computational biology, and computational physics. In this …
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Essential techniques for improving visual realism of laparoscopic surgery simulation.
… is an interdiscipline of computer graphics, computational physics and haptics. However, current researches barely focus on the study of tailored techniques and efficient production pipeline which often result in the long term research cycle and daunting cost for simulator development. This …
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Tunable Electronic Excitations in Hybrid Organic-Inorganic Materials: Ground-State and Many-Body Perturbation Approaches
… in the first part of this work. Initial computational models with variable organic and inorganic components are constructed from the experimental structure of 5,5''-bis(aminoethyl)-2,2':5',2''':5'',2'''-quaterthiophene lead bromide (AE4T\ch{PbBr4}). \textit{Ab initio} first-principles …
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