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The Whisker Weaving Algorithm: A Connectivity-based Method For Constructing All-hexahedral Finite Element Meshes by T. J. TAUTGES; T. BLACKER; S. A. MITCHELL is a Engineering article available to read on EtoBox.

What is The Whisker Weaving Algorithm: A Connectivity-based Method For Constructing All-hexahedral Finite Element Meshes about?

This paper introduces a new algorithm called whisker weaving for constructing unstructured, all-hexahedral finite element meshes. Whisker weaving is based on the Spatial Twist Continuum (STC), a global interpretation of the geometric dual of an all-hexahedral mesh. Whisker weaving begins with a closed, all-quadrilateral surface mesh bounding a solid geometry, then constructs hexahedral element connectivity advancing into the solid. The result of the whisker weaving algorithm is a complete representation of hex mesh connectivity only: Actual mesh node locations are determined afterwards. The basic step of whisker weaving is to form a hexahedral element by crossing or intersecting dual entities. This operation, combined with seaming or joining operations in dual space, is sufficient to mesh simple block problems. When meshing more complex geometries, certain other dual entities appear such as blind chords, merged sheets, and self-intersecting chords. Occasionally specific types of invalid connectivity arise. These are detected by a general method based on repeated STC edges. This leads into a strategy for resolving some cases of invalidities immediately. The whisker weaving implement

Who reads The Whisker Weaving Algorithm: A Connectivity-based Method For Constructing All-hexahedral Finite Element Meshes?

Author

T. J. TAUTGES; T. BLACKER; S. A. MITCHELL

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0029-5981)

Published

1996

Language

EN

Field

Engineering (Physical Sciences)