An adaptively refined XFEM with virtual node polygonal elements for dynamic crack problems
Abstract
By introducing the shape functions of virtual node polygonal (VP) elements into the standard extended finite element method (XFEM), a conforming elemental mesh can be created for the cracking process. Moreover, an adaptively refined meshing with the quadtree structure only at a growing crack tip is proposed without inserting hanging nodes into the transition region. A novel dynamic crack growth method termed as VP-XFEM is thus formulated in the...
Paper Details
Title
An adaptively refined XFEM with virtual node polygonal elements for dynamic crack problems
Published Date
Feb 10, 2018
Journal
Volume
62
Issue
5
Pages
1087 - 1106
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