NUMERICAL SOLUTION OF DIFFERENTIAL EQUATIONS IN IRREGULAR PLANE REGIONS USING QUALITY STRUCTURED CONVEX GRIDS

Author:

DOMÍNGUEZ-MOTA F.1,FERNÁNDEZ-VALDEZ P.1,MENDOZA-ARMENTA S.1,TINOCO-GUERRERO G.1,TINOCO-RUIZ J. G.1

Affiliation:

1. Facultad de Ciencias Físico Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio "B", Ciudad Universitaria, C.P. 58040, Morelia, Mexico

Abstract

The variational grid generation method is a powerful tool for generating structured convex grids on irregular simply connected domains whose boundary is a polygonal Jordan curve. Several examples that show the accuracy of a finite difference approximation to the solution of a Poisson equation using this kind of structured grids have been recently reported. In this paper, we compare the accuracy of the numerical solution calculated using those structured grids and finite differences against the solution obtained with Delaunay-like triangulations on irregular regions.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computer Science Applications,Modelling and Simulation

Reference15 articles.

1. Frontiers Appl. Math,1991

2. S. A. Ivanenko, Handbook of Grid Generation (CRC Press, Boca Raton, FL, 1999) pp. 8.1–8.41.

3. A Framework for Variational Grid Generation: Conditioning the Jacobian Matrix with Matrix Norms

4. Variational grid generation

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