Adaptive hierarchical refinement of NURBS in cohesive fracture analysis

Volume: 112, Issue: 13, Pages: 2151 - 2173
Published: Jul 19, 2017
Abstract
Summary Adaptive hierarchical refinement in isogeometric analysis is developed to model cohesive crack propagation along a prescribed interface. In the analysis, the crack is introduced by knot insertion in the NURBS basis, which yields C−1 continuous basis functions. To capture the stress state smoothly ahead of the crack tip, the hierarchical refinement of the spline basis functions is used starting from a coarse initial mesh. A multi-level...
Paper Details
Title
Adaptive hierarchical refinement of NURBS in cohesive fracture analysis
Published Date
Jul 19, 2017
Volume
112
Issue
13
Pages
2151 - 2173
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