20 April 2014
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The boundary collocation method for multiple collinear cracks near finite boundaries in an unstiffened sheet

Author(s): R.A. Collinsi & D.J. Cartwright

Abstract:
The theoretical basis for the boundary collocation method is formally ex- tended to the problem of multiple collinear cracks in the presence of finite boundaries.

The technique is then applied to the generation of new stress intensity factor solutions for two unstiffened sheet configurations.

1 Introduction:
The problem of Widespread Fatigue Damage (WFD) has received consider- able attention over the past decade, in view of the importance of the issue to the continued safe operation of the ageing commercial transport aircraft fleet.

The majority of these investigations have centred on a specific source of WFD known as Multiple Site Damage (MSD), in which the simultaneous presence of multiple interacting cracks in the same structural element may degrade the residual st...

Pages: 10
Size: 964 kb
Paper DOI: 10.2495/DM000451

 

 

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This paper can be found in the following book

Damage and Fracture Mechanics VI

Damage and Fracture Mechanics VI

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