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AuthorRamamoorthy Ravichandran and Mark S. Shephard
TitleRefinement/Derefinement Procedures in 2-D
Year1995
AbstractAn adaptive finite-element method can be defined as a feedback process where a domain is analyzed with a given mesh and the effectiveness of the approximation of the domain is measured through an error indicator. In this context, the selective and local refinement/derefinement of the mesh throughout the computation arise as a natural feature. This has induced a change in the static classical grid generation approach, in which one fixed grid with adequate refinement is assumed. This chapter surveys some of the available techniques for the refinement and derefinement of the meshes in 2-D and discusses the edge based refinement and derefinement technique which has been implemented.
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