A coupled cohesive and XFEM for 3D delamination onset and growth prediction

Jay Shi, Jim Lua, Qingda Yang, Xiujun Fang

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

2 Citations (Scopus)

Abstract

This paper presents an automatic delamination onset and growth prediction toolkit for Abaqus (XFA3D) based on the eXtended Finite Element Method (XFEM). A 3D XFEM solid element with an interface interaction and a partially bonded cohesive interface element have been developed and implemented in Abaqus via its user-defined subroutines. To efficiently characterize a moving crack front and update its levelset description, a narrow band based fast marching method is employed to track the arbitrary delamination crack at its onset and growth stage without user intervention and remeshing. A combination of the levelset based crack front description with the cohesive interface modeling provides an attractive feature in computing the energy release rate along an arbitrary crack front via a virtual crack closure technique (VCCT). In addition, the use of a sub-domain integration within a partially bonded cohesive element offers significant improvement in solution accuracy and numerical stability, as compared to conventional cohesive elements using either Gaussian Integration (GI) or New-Cotes Integration (NCI). The validity and applicability of the XFA3D module for delamination onset and growth prediction are demonstrated via numerical examples at coupon and component levels.

Original languageEnglish
Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
StatePublished - Dec 16 2010
Event51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Orlando, FL, United States
Duration: Apr 12 2010Apr 15 2010

Other

Other51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
CountryUnited States
CityOrlando, FL
Period4/12/104/15/10

Fingerprint

Delamination
Cracks
Crack closure
Energy release rate
Subroutines
Convergence of numerical methods
Finite element method

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanics of Materials
  • Building and Construction
  • Architecture

Cite this

Shi, J., Lua, J., Yang, Q., & Fang, X. (2010). A coupled cohesive and XFEM for 3D delamination onset and growth prediction. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference [2010-2618]

A coupled cohesive and XFEM for 3D delamination onset and growth prediction. / Shi, Jay; Lua, Jim; Yang, Qingda; Fang, Xiujun.

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010. 2010-2618.

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

Shi, J, Lua, J, Yang, Q & Fang, X 2010, A coupled cohesive and XFEM for 3D delamination onset and growth prediction. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference., 2010-2618, 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Orlando, FL, United States, 4/12/10.
Shi J, Lua J, Yang Q, Fang X. A coupled cohesive and XFEM for 3D delamination onset and growth prediction. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010. 2010-2618
Shi, Jay ; Lua, Jim ; Yang, Qingda ; Fang, Xiujun. / A coupled cohesive and XFEM for 3D delamination onset and growth prediction. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010.
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