<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper is concerned with the analytical solution of a multi-side damage problem. The objective is to investigate the load-bearing capacity of an infinite elastic-plastic plate weakened by three pairs of collinear straight cracks with coalesced yield zones. Stress intensity factors (SIFs) are obtained when yield zones are subjected to three different patterns of yield stress distribution, i. e., constant, linearly, and quadratically varying. Muskhelisvili's complex variable approach is applied for uncovering the solution to this problem. The problem is solved and analyzed rigorously based on Dugdale's hypothesis. The numerical results are deduced for the load-bearing capacity of the plate and yield zone lengths. These results are analyzed and demonstrated graphically for various mechanical loading conditions and different crack lengths.</p>
</abstract>

This paper is concerned with the analytical solution of a multi-side damage problem. The objective is to investigate the load-bearing capacity of an infinite elastic-plastic plate weakened by three pairs of collinear straight cracks with coalesced yield zones. Stress intensity factors (SIFs) are obtained when yield zones are subjected to three different patterns of yield stress distribution, i. e., constant, linearly, and quadratically varying. Muskhelisvili's complex variable approach is applied for uncovering the solution to this problem. The problem is solved and analyzed rigorously based on Dugdale's hypothesis. The numerical results are deduced for the load-bearing capacity of the plate and yield zone lengths. These results are analyzed and demonstrated graphically for various mechanical loading conditions and different crack lengths.

Study of load bearing capacity of an infinite sheet weakened by multiple collinear straight cracks with coalesced yield zones

Department of Applied Sciences and Humanities

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This paper is concerned with the analytical solution of a multi-side damage problem. The objective is to investigate the load-bearing capacity of an infinite...

Study of load bearing capacity of an infinite sheet weakened by multiple collinear straight cracks with coalesced yield zones

Published Online: Dec 07, 2021

Page range: 265 - 284

Received: Jun 21, 2021

Accepted: Aug 16, 2021

DOI: https://doi.org/10.2478/msp-2021-0023

Keywords
Multiple collinear cracks, stress intensity factor, Dugdale model, coalesced yield zones, inter-crack distance

© 2021 S. Shekhar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Study of load bearing capacity of an infinite sheet weakened by multiple collinear straight cracks with coalesced yield zones

Published Online: Dec 07, 2021

Page range: 265 - 284

Received: Jun 21, 2021

Accepted: Aug 16, 2021

DOI: https://doi.org/10.2478/msp-2021-0023

KeywordsMultiple collinear cracks, stress intensity factor, Dugdale model, coalesced yield zones, inter-crack distance

© 2021 S. Shekhar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Multiple collinear cracks, stress intensity factor, Dugdale model, coalesced yield zones, inter-crack distance