CaltechAUTHORS
  A Caltech Library Service

An Efficient Adaptive Procedure for Three-Dimensional Fragmentation Simulations

Pandolfi, A. and Ortiz, M. (2002) An Efficient Adaptive Procedure for Three-Dimensional Fragmentation Simulations. Engineering with Computers, 18 (2). pp. 148-159. ISSN 0177-0667. http://resolver.caltech.edu/CaltechAUTHORS:20171208-163116282

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item: http://resolver.caltech.edu/CaltechAUTHORS:20171208-163116282

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.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/s003660200013DOIArticle
https://link.springer.com/article/10.1007/s003660200013PublisherArticle
http://rdcu.be/CTJoPublisherFree ReadCube Access
ORCID:
AuthorORCID
Pandolfi, A.0000-0002-7084-7456
Additional Information:© Springer-Verlag London Limited 2002. Dedicated to Professor Giulio Maier on the occasion of his anniversary. The support of the Army Research Office through grant DAA-H04–96–1–0056 is gratefully acknowledged. We are also grateful for support provided by the DoE through Caltech’s ASCI/ASAP Center for the Simulation of the Dynamic Behavior of Solids. The assistance provided by Dr. Rena Chengxiang Yu with the numerical examples is gratefully acknowledged.
Group:GALCIT
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)DAA-H04-96-1-0056
Department of Energy (DOE)UNSPECIFIED
Subject Keywords:3D finite elements; Adaptive remeshing; Cohesive elements; Fracture; Fragmentation; Topological changes
Record Number:CaltechAUTHORS:20171208-163116282
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20171208-163116282
Official Citation:Pandolfi, A. & Ortiz, M. Eng Comput (2002) 18: 148. https://doi.org/10.1007/s003660200013
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:83773
Collection:CaltechAUTHORS
Deposited By: Lydia Suarez
Deposited On:20 Dec 2017 22:43
Last Modified:20 Dec 2017 22:43

Repository Staff Only: item control page