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End Notched Flexure Problem

Kamyar Gordnian's picture

Hi

I want to model an End Notched Flexure (ENF) specimen in ABAQUS for
studying the mode II fracture behaviour in laminated composites.

I have modeled the problem using shell elements and continuum shell
elements.

To prevent the two legs from penetration, I have examined almost all
of connector types (in ABAQUS/CAE) and also contact types but the
results have not been satisfactory.

At this moment I don't have any idea about what to do.

Can anybody help me in this regard?

Best Regards

Kamyar

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Dear All,

 I am trying to get the paper as the following, but I failed by all the ways, Could someone be kind enough to send me ?!!!

Panontin, T. L. and M. R. Hill (1996). "The effect of residual stresses
on brittle and ductile fracture initiation predicted by micromechanical models."

International Journal of Fracture 82: pp. 317-333.

 Thank in advance,

 

Best Ragards

 

De Xie's picture

 I did analyze the ENF with ABAQUS using contact. It worked but with some tricks.  You can find the detailes in these two papers (especially paper 1).

1. Xie D and Waas AM, Discrete cohesive zone model for mixed-mode fracture using finite element analysis, Engineering Fracture Mechanics, 73(2006): 1783-1796.

 2. Xie D and Biggers, Jr. SB, Progressive crack growth analysis using interface element based on the virtual crack closure technique, Finite Elements in Analysis and Design, 42(2006): 977-984.

 

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