Abstract
A dynamic line-spring model is proposed for the simplified analysis of impact response of a part-through surface crack in an elastic plate. Bending of the plate is considered based on Mindlin's theory. Stiffness of the dynamic line-spring is simply evaluated following the static model of Rice and Levy. The procedure for evaluating the dynamic stress-intensity factor K<Id> is developed. The response of a semielliptical surface crack in a plate subjected to impact loading at its ends is analysed by using the present model. It is found that K<Id> takes its maximum value at the deepest penetration point of the surface crack and the maximum value is much larger than that in the static case.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
