Sciweavers

127 search results - page 1 / 26
» Two derivative-free optimization algorithms for mesh quality...
Sort
View
PROCEDIA
2010
75views more  PROCEDIA 2010»
13 years 3 months ago
Two derivative-free optimization algorithms for mesh quality improvement
High-quality meshes are essential in the solution of partial differential equations (PDEs), which arise in numerous science and engineering applications, as the mesh quality aff...
Jeonghyung Park, Suzanne M. Shontz
EWC
2006
120views more  EWC 2006»
13 years 4 months ago
A comparison of two optimization methods for mesh quality improvement
We compare inexact Newton and block coordinate descent optimization methods for improving the quality of a mesh by repositioning the vertices, where the overall quality is measure...
Lori Freitag Diachin, Patrick M. Knupp, Todd S. Mu...
SMI
2007
IEEE
106views Image Analysis» more  SMI 2007»
13 years 11 months ago
Iterative Methods for Improving Mesh Parameterizations
We present two complementary methods for automatically improving mesh parameterizations and demonstrate that they provide a very desirable combination of efficiency and quality. ...
Shen Dong, Michael Garland
SIBGRAPI
1999
IEEE
13 years 9 months ago
An Algorithm for Two-Dimensional Mesh Generation for Arbitrary Regions with Cracks
Abstract. This paper describes an algorithm for generating unstructured triangulations for arbitrarily shaped twodimensional regions. The algorithm works for regions without cracks...
Antonio C. O. Miranda, Joaquim B. Cavalcante Neto,...
CAGD
2004
76views more  CAGD 2004»
13 years 4 months ago
Mesh quality improvement and other properties in the four-triangles longest-edge partition
The four-triangles longest-edge (4T-LE) partition of a triangle t is obtained by joining the midpoint of the longest edge of t to the opposite vertex and to the midpoints of the t...
Angel Plaza, José P. Suárez, Miguel ...