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Grid generation in three dimensions by Poisson equations with control of cell size and skewness at boundary surfaces (1983)

Sorenson, R. L. ; Steger, J. L.

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Publication Date: 2011-08-18

Description: An algorithm for generating computational grids about arbitrary three-dimensional bodies is developed. The elliptic partial differential equation (PDE) approach developed by Steger and Sorenson and used in the NASA computer program GRAPE is extended from two to three dimensions. Forcing functions which are found automatically by the algorithm give the user the ability to control mesh cell size and skewness at boundary surfaces. This algorithm, as is typical of PDE grid generators, gives smooth grid lines and spacing in the interior of the grid. The method is applied to a rectilinear wind-tunnel case and to two body shapes in spherical coordinates.

Keywords: AERODYNAMICS

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