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2011•Computer Engineering and Applications JournalRequires access

Two-dimensional adaptive advancing front mesh generation

Yi Liang

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Abstract

A two-dimensional adaptive triangulation algorithm based on geometric features of problem boundaries is proposed.Boundary curves are discretized firstly with curvatures and adjacencies considered,and the latter are calculated using the skeleton property of the constrained Delaunay triangulation.Then a modified Advancing Front Technique(AFT) is used to generate well graded meshes inside problem domains conforming to adaptive boundary discretization results.Some procedures are finally integrated to enhance mesh quality further.Mesh examples demonstrate that the algorithm can produce computing meshes with high element and gradation quality.

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What this paper is about

A two-dimensional adaptive triangulation algorithm based on geometric features of problem boundaries is proposed.Boundary curves are discretized firstly with curvatures and adjacencies considered,and the latter are calculated using the skeleton property of the constrained Delaunay triangulation.Then a modified Advancing Front Technique(AFT) is used to generate well graded meshes inside problem domains conforming to adaptive boundary discretization results.Some procedures are finally integrated to enhance mesh quality further.Mesh examples demonstrate that the algorithm can produce computing meshes with high element and gradation quality.

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Available abstract

A two-dimensional adaptive triangulation algorithm based on geometric features of problem boundaries is proposed.Boundary curves are discretized firstly with curvatures and adjacencies considered,and the latter are calculated using the skeleton property of the constrained Delaunay triangulation.Then a modified Advancing Front Technique(AFT) is used to generate well graded meshes inside problem domains conforming to adaptive boundary discretization results.Some procedures are finally integrated to enhance mesh quality further.Mesh examples demonstrate that the algorithm can produce computing meshes with high element and gradation quality.

Key concepts: Delaunay triangulation, Discretization, Polygon mesh, Triangulation, Surface triangulation, Volume mesh, Mesh generation, Boundary (topology)

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