Numerical modeling and analytical validation of stress and stress intensity factor for SENB bending specimen

Abstract

The results found show that the stresses exhibit a parabolic trend with a minimum value (xmin = 7 mm). The maximum stresses are at the bottom of notch level and at the application point of force, it is also noticed that the stress intensity factor increases by increasing the length of the crack.
Fatigue tests are long, expensive and difficult to achieve. The numerical study proposed in this paper has for purpose the simulation of this delicate situation.