Regular Article

Stress analysis of symmetric laminates with rectangular or square holes subjected to inplane loading

¹ ISAE-Cnam Liban, Department of mechanical engineering, Lebanese university, Beirut, Lebanon
² Faculty of engineering 1, Department of mechanical engineering, Lebanese university, Tripoli, Lebanon

^* e-mail: tjabbour@cnam.fr

Received: 10 May 2017
Accepted: 13 June 2017

Abstract

In this paper we propose an analytical method for determining the behavior of symmetric laminates containing a rectangular or a square hole. This method is based on the theory developed by Savin [G.N. Savin, Stress concentration around holes, Pergamon Press, New York, 1961], for an elliptical hole, and uses the parametric representation of a given rectangle. The results obtained by this method are compared with those obtained by finite elements. This method allows the better understanding of the behavior of composite plates under inplane loading for different types of loading, different side ratios, different fillet radii, and different types of materials.