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Articles 1 - 4 of 4
Full-Text Articles in Physical Sciences and Mathematics
Comparison Of Mesh And Meshless Methods For Partial Differential Equations Of Galerkin Form, Wallace F. Atterberry
Comparison Of Mesh And Meshless Methods For Partial Differential Equations Of Galerkin Form, Wallace F. Atterberry
UNLV Theses, Dissertations, Professional Papers, and Capstones
There are two purposes of this research project. The first purpose is to compare two types of Galerkin methods: The finite element mesh method and moving least sqaures meshless Galerkin (EFG) method. The second purpose of this project is to determine if a hybrid between the mesh and meshless method is beneficial.
This manuscript will be divided into three main parts. The first part is chapter one which develops the finite element method. The second part (Chapter two) will be developing the meshless method. The last part will provide a method for combining the mesh and meshless methods for a …
A More General Diffusion Model For Lightning Radiative Transfer, Elliott Paul Saint-Pierre
A More General Diffusion Model For Lightning Radiative Transfer, Elliott Paul Saint-Pierre
UNLV Theses, Dissertations, Professional Papers, and Capstones
A more general diffusion model for lightning radiative transfer is presented. The development is based on the work published by Koshak et al (J. Geo. Phys. Res., vol. 99, (D7), 14361-371, (1994). In this thesis, the diffusion coefficient is allowed to vary as a function of the radial component of the cloud and cylindrical geometry is used. Different approximations in the analysis of the resulting radial equation are provided. The method of Frobenius permits the obtention of a complete solution. Possibilities and means for further development of this research are included.
Stability Aware Delaunay Refinement, Bishal Acharya
Stability Aware Delaunay Refinement, Bishal Acharya
UNLV Theses, Dissertations, Professional Papers, and Capstones
Good quality meshes are extensively used for finding approximate solutions for partial differential equations for fluid flow in two dimensional surfaces. We present an overview of existing algorithms for refinement and generation of triangular meshes. We introduce the concept of node stability in the refinement of Delaunay triangulation. We present two algorithms for generating stable refinement of Delaunay triangulation. We also present an experimental investigation of a triangulation refinement algorithm based on the location of the center of gravity and the location of the center of circumcircle. The results show that the center of gravity based refinement is more effective …
A Gaming Application Of The Negative Hypergeometric Distribution, Steven Norman Jones
A Gaming Application Of The Negative Hypergeometric Distribution, Steven Norman Jones
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Negative Hypergeometric distribution represents waiting times when drawing from a finite sample without replacement. It is analogous to the negative binomial, which models the distribution of waiting times when drawing with replacement. Even though the Negative Hypergeometric has applications it is typically omitted from textbooks on probability and statistics and is not generally known. The main purpose of this thesis is to derive expressions for the mean and variance of a new application of the Negative Hypergeometric to gaming and gambling. Other applications are described as well.