Numerical grid generation

Mathur, JS (1993) Numerical grid generation. In: CFD: Advances and Applications, 1993, India.

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Abstract

The solution of problems in Computational Fluid Dynamics (CFD), using finite difference, finite volume, or finite element techniques,requires the discretization of the computational domain into a set of points at which flow quantities are calculated. This set of points is called the computational grid, and the generation of such a grid is now an important activity in CFD. Experience has shown that the accuracy of numerical computations is influenced to a large extent by the grid used. Hence, grid generation techniques should allow some control over positioning of the grid points, in order to allow the generation of a suitable grid for a particular flow problem.We look at grid generation in two dimensions. Some of the techniques for three dimensional grid generation are discussed, but a discussion of grid generation methods for complex three dimensional shapes is beyond the scope of this course. The methods discussed are those with which the author has had some experience.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Computational fluid dynamics;Computational grids;Grid generation (Mathematics);Two dimensional flow;Conformal mapping;Elliptic differential equations;Finite difference theory;Finite element method;Finite volume method; Triangulation
Subjects: ENGINEERING > Fluid Mechanics and Thermodynamics
Division/Department: Computational and Theoretical Fluid Dynamics Division
Depositing User: M/S ICAST NAL
Date Deposited: 17 Mar 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4407

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