Title of article :
Analysis of Stress Intensity Factors in Hollow Cylinders Reinforced by an Effective Coating Containing Multiple Cracks
Author/Authors :
Karimi, Mostafa Young Researchers and Elites Club - Fereydan Branch - Islamic Azad University, Isfahan, Iran , Hassani, Alireza Young Researchers and Elites Club - Science and Research Branch - Islamic Azad University, Tehran, Iran
Abstract :
In this paper, the solution of an isotropic hollow cylinder, with an isotropic coating, weakened
by multiple radial cracks is studied. The hollow cylinder and its coating are under Saint-
Venant torsional loading. The series solution is then derived for displacement and stress fields
in the cross section of the cylinder containing a Volterra-type screw dislocation. The
dislocation solution is employed to derive a set of Cauchy singular integral equations for the
analysis of multiple curved cracks. The solution to these equations is used to determine the
torsional rigidity of the domain and the stress intensity factors (SIFs) for the tips of the cracks.
Finally, several examples are presented to show the effect of the coating on the reduction of
the mechanical stress intensity factor in the hollow cylinder.
Keywords :
Saint-Venant torsion , several cracks , isotropic coating , Stress intensity factor , Distribution dislocation technique , Torsional rigidity
Journal title :
Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering
