Crack propagation in matrix with inclusions by BEM

Author

Huang, Yifeng ; Lei, Jun ; Yang, Qingsheng

Author_Institution

Coll. of Mech. Eng. & Appl. Electron. Technol., Beijing Univ. of Technol., Beijing, China

fYear

2011

fDate

7-10 Aug. 2011

Firstpage

2270

Lastpage

2275

Abstract

A time-domain boundary element method is applied to simulate the matrix crack propagation in composite with inclusions under impact loading. The crack-growth direction is determined by the maximum circumferential stress criterion, and the instantaneous velocity is approached by a bisection technique. New crack-tip elements of inconstant length are added to the moving crack-tip to simulate the unsteady growth at each propagation time step. The interactions of a crack with various clusters of inclusions are investigated.

Keywords

boundary-elements methods; composite materials; cracks; impact (mechanical); internal stresses; time-domain analysis; BEM; bisection technique; crack-growth direction; crack-tip elements; impact loading; instantaneous velocity; matrix crack propagation; maximum circumferential stress criterion; time-domain boundary element method; Boundary element methods; Finite element methods; Loading; Materials; Numerical simulation; Stress; Time domain analysis; bisection technique; crack propagation; inclusion; time-domain boundary element method;

fLanguage

English

Publisher

ieee

Conference_Titel

Mechatronics and Automation (ICMA), 2011 International Conference on

Conference_Location

Beijing

ISSN

2152-7431

Print_ISBN

978-1-4244-8113-2

Type

conf

DOI

10.1109/ICMA.2011.5986293

Filename

5986293