A Boundary Element Formulation for Crack Analyses Incorporating a Cohesive Zone Model

A Boundary Element Formulation for Crack Analyses Incorporating a Cohesive Zone Model

Gonçalves, P.C. | Palermo JR., L. | Proença, S.P.B

Natural Resources Institute, Federal University of Itajubá, Brazil

School Civ. Eng. Arch. Urban Design, University of Campinas, Brazil

São Carlos School of Engineering, University of São Paulo, Brazil

Page: 
231-240
|
DOI: 
https://doi.org/10.2495/CMEM-V5-N3-231-240
Received: 
N/A
| |
Accepted: 
N/A
| | Citation

OPEN ACCESS

Abstract: 

A formulation is presented to perform crack propagation analyses in cohesive materials with the dual boundary element method (DBEM) using the tangential differential operator in the traction boundary-integral equations. The cohesive law is introduced in the system of equations to directly compute the cohesive forces at each loading step. A single edge crack is analyzed with the linear function to describe the material softening law in the cohesive zone, and the results are compared with those from the literature.

Keywords: 

cohesive model, crack analysis, dual boundary element model, plane problems, tangential differential operator

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