Data Structures and Implementation of CompositeAdaptive Grid Methods
نویسنده
چکیده
Composite adaptive grid (CAG) methods for solving hyperbolic partial differential equations (PDE's) are discussed in this paper. Composite grids are used at the coarsest level to deal with domains with complicated geometries. Stair step grids developed for composite grids are also used in the ner levels to cover reened regions. New data structures for stair step grids are proposed and implemented in two and three space dimensions. Good eeciency is demonstrated using numerical examples.
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