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Crack length in fracture mechanics


I have modeled a beam with a hole in it in ABAQUS. I use of FRACTURE MECHANICS and FINITE ELEMENT METHOD for perdiction of failure load of beams with holes. I am wondering is it a correct assumption to assume a fixed crack length for one beam with varying hole position or not? 

It have assumed that a fixed crack length for a beam with varying location of hole along the beam.

Am I correct?

Thank you,



hi, have you looked at wikipedia? there's a lot of info there. Here's the link: 

 by seo 1

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