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 725 for “"Partial Differential Equations"”.
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Pseudo-Parabolic Partial Differential Equations
Made available in DSpace on 2014-12-09T22:17:47Z (GMT). No. of bitstreams: 1 6901446.pdf: 2134615 bytes, checksum: 8e168dabbcae5bb09dbcc713a68e9920 (MD5) Previous issue date: 1968
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Constructive Analysis of Partial Differential Equations
This thesis presents the results produced in the study of weak solutions of the Dirichlet Problem within Errett Bishop's constructive mathematics. It roughly falls into three major parts: a critical analysis of the classical approaches from a constructive point of view (Chapter 2); constructive …
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Combat modelling with partial differential equations
… of this thesis we extend the Lanchester Ordinary Differential Equations and construct a new physically meaningful set of partial differential equations with the aim of more realistically representing soldier dynamics in order to enable a deeper understanding of the nature of conflict. Spatial …
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Automatic Solutions of Partial Differential Equations
Made available in DSpace on 2014-12-10T20:13:38Z (GMT). No. of bitstreams: 1 7317290.pdf: 4247124 bytes, checksum: 1e2354b6e4beafe276e7ce2368fca94f (MD5) Previous issue date: 1972
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Variational Methods for Nonlinear Partial Differential Equations
… methods for solving a class of nonlinear partial differential equations. First, relevant mathematical background of functional analysis and variational calculus is explained. One of the main results discussed is the existence theorem for minimizer of functionals for the case of fixed …
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Model Predictive Control for Partial Differential Equations
… concerned with model predictive control (MPC) of partial differential equations. The idea is to approximate an infinite time horizon optimal control problem by a sequence of finite horizon optimal control problems. The optimization horizon plays a crucial role in the stability analysis. In the …
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Approximation of random/stochastic partial differential equations
… of this thesis lies in approximations of partial differential equations (PDEs) with randomness or stochasticity. We focus on three rather different problems: a study of random fields on spherical shells, and its applications to PDE problems; quasi-Monte Carlo (QMC) methods for a class of …
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Physics motivated algorithms for partial differential equations
… and the most popular means to model them is the partial differential equation (PDE). Resultant PDEs are, however, often nonlinear, defying analytical approaches. Thus, devising efficient numerical algorithms to solve PDEs is important for the study of nonequilibrium systems, and has traditionally …
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Preconditioning techniques for stochastic partial differential equations
… techniques for time dependent stochastic Partial Differential Equations arising in the broader context of Uncertainty Quantification. State-of-the-art methods for an efficient integration of stochastic PDEs require the solution field to lie on a low dimensional linear manifold. In cases …
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Modelling and Animation using Partial Differential Equations. Geometric modelling and computer animation of virtual characters using elliptic partial differential equations.
… animation of parametric surfaces using elliptic Partial Differential Equations (PDE) which are produced via the PDE method. Compared with traditional surface generation techniques, the PDE method is an effective technique that can represent complex three-dimensional (3D) geometries in terms of a …
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Modelling and Animation using Partial Differential Equations. Geometric modelling and computer animation of virtual characters using elliptic partial differential equations.
… animation of parametric surfaces using elliptic Partial Differential Equations (PDE) which are produced via the PDE method. Compared with traditional surface generation techniques, the PDE method is an effective technique that can represent complex three-dimensional (3D) geometries in terms of a …
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Modelling facial action units using partial differential equations.
… a solution to a fourth order elliptic Partial Differential Equation (PDE) subject to suitable boundary conditions is utilized, where the chosen boundary curves are based on muscles movement defined by Facial Action Coding System (FACS). This study involved three stages: modelling faces, …
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Self Adaptive Methods for Parabolic Partial Differential Equations
In many applications, the solutions to important partial differential equations are characterized by a sharp active region of transition (such as wave fronts or areas of rapid diffusion) surrounded by relatively calm stable regions. The numerical approximation to such a solution is based on a mesh …
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Numerical Solution of Pseudo-Parabolic Partial Differential Equations
Made available in DSpace on 2014-12-11T18:23:53Z (GMT). No. of bitstreams: 1 7309932.pdf: 4066155 bytes, checksum: 03b9377b3bdeb8ecad3cfe772c7ba844 (MD5) Previous issue date: 1972
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Lie Analysis for Partial Differential Equations in Finance
… theorem and the rainfall indexes we derive the partial differential equations (PDEs) that governs the price of an European option. We apply the Lie analysis theory to solve the PDEs, we provide the group classification and use it to find the invariant analytical solutions, particularly the ones …
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