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An alternative to unstructured grids for computing gas dynamic flows around arbitrarily complex two-dimensional bodies. (English) Zbl 0788.76067
The author describes an alternative approach for dealing with complex two-dimensional geometries. A number of practical problems are mentioned, and methods to overcome these problems are explained. A general strategy for the conversion of an adaptive mesh algorithm from a body-fitted code to a boundary code is illustrated.

76M99 Basic methods in fluid mechanics
65M50 Mesh generation, refinement, and adaptive methods for the numerical solution of initial value and initial-boundary value problems involving PDEs
65N50 Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs
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