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 71 for “"Solution-process"”.
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A 3-dimensional h-adaptive algorithm for species transport prediction
… finite element grids is recent to the solution of partial differential equations. An h-adaptive grid embedding method is employed to help solve the Navier-Stokes equations for fluid flow and scalar transport; This h-adaptive algorithm, in combination with the finite element solver, has …
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A study of a moving contact algorithm
… instabilities were encountered during the solution process while conducting a series of verification problems for the algorithm by the Newton-Raphson method. In an attempt to identify the cause of these instabilities, an in-depth study of the effect of fineness of the finite element mesh on …
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Synthesis of side-chain polystyrenes for all organic solution processed OLEDs
… to be applied in multilayer OLEDs fabricated by solution process techniques. Manufacture of optoelectronic devices by solution process techniques is meant to decrease significantly fabrication cost and allow large scale production of such devices. This dissertation focusses in three series, …
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The Exit Time Distribution for Small Random Perturbations of Dynamical Systems with a Repulsive Type Stationary Point
… an exit law for the first exit time of the solution process from a ball of arbitrary radius centered at the origin, which involves additive scaling as in Day (1995). The form of the scaling constant is worked out and shown to depend on the structure of the Jordan form of the linear drift. We …
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Modeling the structure of collective intelligence
The human problem solution process has attracted an increasing amount of interest among educators, managers, computer scientists and others. However, the discussion of the subject has suffered from the lack of stochastic tools to quantitatively capture both the subtler steps of the problem solution …
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Comparison and convergence studies of nonlinear finite element beam-column models
… the longitudinal direction. The system model and solution process used with both element models are identical. The system model is defined by an energy function. The equilibrium path of the system is determined at discrete load levels. At each load level, application of the solution process yields …
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An indoor air quality case study: the diagnosis and remediation of Cowgill Hall's IAQ problem
… 1987 to August 1988, recommends a general IAQ solution process and makes several specific suggestions to prevent the reoccurrence of the problem in Cowgill Hall. Background information on Cowgill Hall and the indoor air quality issue are also provided. This document is addressed to students of …
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Problem solving environments for the numerical solution of partial differential equations
… and expert users in the problem specification process and to provide a natural way to solve the problem. They also decrease the time spent on the problem solving process. This study is concerned with the construction of a PSE for the numerical solution of PDEs. This is one area where PSEs can …
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Consistent anticipatory route guidance
… addresses the formulation and development of solution algorithms for the consistent anticipatory route guidance generation (RGG) problem. The thesis proposes a framework for the problem, involving a set of time-dependent variables and their relationships. Variables are network conditions, path …
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Automatic analysis of problems in elementary mechanics
… of a procedure for , . automatic analysis and solution of problems in elementary classical mechanics. Various elements of the solution process have been examined, with principal emphasis on a detailed procedure for equation generation and solution. Directed graphs are introduced to represent …
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A quadratic partial assignment and packing model and algorithm for the airline gate assignment problem
… linear programming representation. A suitable solution process that exploits the structure of the linearized problem is developed. Test results are presented using realistic data obtained from USAIR.
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Regularity and Numerics for stochastic p-Laplace and symmetric p-Stokes systems
… we mean that we find numerical values for the solution variable. <br /><br /> Both models are related to non-Newtonian fluids, more specifically, power-law fluids. We discuss the derivation of fluid models for non-Newtonian fluids based on physical principles. In particular, we highlight the …
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Wave propagation in lossy waveguide structures
… an arbitrary cross section and uses a full-wave solution process. A set of coupled, vector integral equations which characterize the system are derived. The equations enforce the necessary boundary conditions on the tangential electric and magnetic fields at the boundaries separating the …
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Parallel Processing Techniques for the Simulation of MOS VLSI Circuits Using Waveform Relaxation
… which are solved separately during the iterative solution process. Investigated in this thesis is the extent to which the overall run time of a simulation can be reduced by utilizing the natural parallelism of waveform relaxation on parallel processors. Four parallel waveform relaxation algorithms …
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Shear analysis of rectangular concrete tanks considering interaction of plate elements
… for each type plate problem. The three plate solution process automatically imposes boundary conditions conducive to one quarter of a monolithically constructed rectangular tank system due to tank symmetry. The plate dead weight effects and their associated shear force upon the floor plate are …
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Solution-processed thin-film materials for high-performance nanoelectronics
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01
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An investigation of multilevel refinement in routing and location problems
… refinement is a collaborative hierarchical solution technique. The multilevel technique aims to enhance the solution process of optimisation problems by improving the asymptotic convergence in the quality of solutions produced by its underlying local search heuristics and/or improving the …
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3-D Modeling of Ductile Tearing Using Finite Elements: Computational Aspects and Techniques
… a computational framework suitable for the solution of these problems, this work also describes the parallel implementation of a nonlinear, implicit finite element code. The implementation employs an explicit message-passing approach using the MPI standard to maintain portability, a domain …
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A Framework for Grid Solvers
… the sparse matrix explicitly at any stage of the solution process. This allows it to take advantage of additional information about the problem that is available within the grid data structure. Such an approach leads to an optimal parallel algorithm for matrix reordering by cartesian nested …
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A simplex cut-cell adaptive method for high-order discretizations of the compressible Navier-Stokes equations
… automation and robustness in the geometry-to-solution process. This thesis presents two ideas for improving automation and robustness in CFD: output-based mesh adaptation for high-order discretizations and simplex, cut-cell mesh generation. First, output-based mesh adaptation consists of …
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