Abstract
Isotropic plate with central circular hole under different loading, have found widespread applications in various fields of engineering such as aerospace, marine, automobile and mechanical. For design of plates with holes accurate knowledge of deflection, stresses and stress concentration are required. Stress concentration arises from any abrupt change in geometry of plate under loading. As a result, stress distribution is not uniform throughout the cross section. Failures such as fatigue cracking and plastic deformation frequently occur at points of stress concentration. Hence, it is very important in any engineering structures to know about the stress concentration in plates with holes. In the present study stress concentration in an infinite isotropic plate around circular hole subjected to transverse, longitudinal and biaxial loading is calculated using analytical approach. For calculating stress concentration around two holes complex variable and bipolar coordinate method are used. The results obtained from this approach shows good agreement with result given in literatures.
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