NDLI: An Efficient Adaptive Procedure for Three-Dimensional Fragmentation Simulations

Content Provider	Springer Nature Link
Author	Pandolfi, A. Ortiz, M.
Copyright Year	2002
Abstract	We present a simple set of data structures, and a collection of methods for constructing and updating the structures, designed to support the use of cohesive elements in simulations of fracture and fragmentation. Initially, all interior faces in the triangulation are perfectly coherent, i.e. conforming in the usual finite element sense. Cohesive elements are inserted adaptively at interior faces when the effective traction acting on those faces reaches the cohesive strength of the material. The insertion of cohesive elements changes the geometry of the boundary and, frequently, the topology of the model as well. The data structures and methods presented here are straightforward to implement, and enable the efficient tracking of complex fracture and fragmentation processes. The efficiency and versatility of the approach is demonstrated with the aid of two examples of application to dynamic fracture.
Starting Page	148
Ending Page	159
Page Count	12
File Format	PDF
ISSN	01770667
Journal	Engineering with Computers
Volume Number	18
Issue Number	2
e-ISSN	14355663
Language	English
Publisher	Springer-Verlag London Limited
Publisher Date	2002-08-14
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Engineering Computer Science Applications Modeling and Simulation Software

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An Efficient Adaptive Procedure for Three-Dimensional Fragmentation Simulations