An h-adaptive boundary element method for fracture mechanics

Ru-Min Chao, Sen-Yung Lee, J. C. Kuo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paperAEs aim is to modified the sample point error analysis method proposed by Kawaguchi and Kamiya, and to develop an h-adaptive quadratic boundary element mesh refinement procedure to be implemented into linear elastic crack problems. Two sample pointed are selected in each of the quadratic boundary element, and the extended error indicators at the sample points are calculated. The h-refinement procedure is based on the average extended error for all of the boundary elements. The stress intensity factors at the crack tip are calculated by the displacement extrapolation method and the J-integral calculation at the end of each iteration. The results show that the use of singular element at the crack is less important if the J integral method is to be used to find the SIF, because the J integral method gives the best result with fewer iterations.

Original languageEnglish
Title of host publicationBoundary Element Technology XIII. Proceedings of the 1999 Thirteenth International Conference on Boundary Element Technology, BETECH '99
EditorsC S Chen, C A Brebbia, D W Pepper, I Harik, CS Chen, CA Brebbia, DW Pepper, I Harik
PublisherWITPress
Pages485-494
Number of pages10
ISBN (Print)1853126888
Publication statusPublished - 1999 Dec 1
EventProceedings of the 1999 Thirteenth International Conference on Boundary Element Technology, BETECH '99 - Las Vegas, United States
Duration: 1999 Jun 11999 Jun 1

Other

OtherProceedings of the 1999 Thirteenth International Conference on Boundary Element Technology, BETECH '99
Country/TerritoryUnited States
CityLas Vegas
Period99-06-0199-06-01

All Science Journal Classification (ASJC) codes

  • General Earth and Planetary Sciences
  • General Engineering
  • General Environmental Science
  • General Materials Science

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