Laplacian Mesh
Mostrando 1-5 de 5 artigos, teses e dissertações.
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1. Robust inter-surface mapping using constrained Laplacian methods / Mapeamento inter-superfícies robusto utilizando métodos laplacianos com restrições
Malhas de triângulos são formal extremamente populares de se representar informação geométrica digitalmente. Com o aumento da disponibilidade de poder computacional gráfico, o tamanho e complexidade dos conjuntos de dados vem aumentando dramaticamente. Hoje em dia, não e incomum encontrar conjuntos de dados que possuem centenas de milhares ou ate mesm
Publicado em: 2011
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2. Mathematical Modeling and Numeriacal Methods for Simulation of the Heat Conduction in Liquid Helium / Modelagem Matemática e Métodos Numéricos para Simulação da Condução do Calor no Hélio Líquido
The element helium, found mainly in natural gas reserves, condenses at temperature of 4.2K, and is the unique known substance that remains in liquid to absolute zero. In the liquid phase, the helium presents still another phase change in 2.19K, where passes of common liquid to superfluous liquid, with almost zero viscosity. These properties give the helium i
Publicado em: 2009
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3. Adaptive 2-D mesh generator for electromagnetic problems / Gerador adaptativo de malhas 2-D para problemas eletromagneticos
This work presents the development of algorithms for adaptive mesh generation of triangular elements applicable to electromagnetic propagation problems in bidimensional domains. Several techniques were used, such as edgeflip, known as Delaunay method, and the Laplacian?s smoothing method. The program considers arbitrary curvature interfaces and can be easily
Publicado em: 2007
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4. RECONSTRUÇÃO DE GEOMETRIA A PARTIR DA CONECTIVIDADE DA MALHA E DE PONTOS DE CONTROLE / RECONSTRUTION OF GEOMETRY BASED IN CONNECTIVITY AND MESH SAMPLES
This work aims at reconstructing the geometry of a mesh from its connectivity and a small set of control points, whose geometry is known.The problem is formulated as a maximization of the surface smoothness restricting the position of the control points. With this formulation, the method reduces to solving a sparse linear system using least squares minimizat
Publicado em: 2007
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5. Geração de malhas de elementos finitos triangulares em domínios planos usandos métodos do avanço da fronteira
The objective of this work is to build a computational tool for finite element mesh generation in polygonal domains employing triangular elements. The method adopted for mesh generation is the Advancing Front Method for being simpler to implement and for guaranteeing good quality meshes. The choice of the method was made after a comprehensive study of variou
Publicado em: 2003