Shakedown and Limit Analysis of Crack Structure Based on Simple Models

摘要

For the loading capability of structures with cracks, the simply calculational models of structures with triangular and rectangular crack have been established, under considering the local rounded area of the crack tip in this paper. The calculation of limit/shakedown domains has been successfully done based on the method of interior point. The influence of some factors such as crack shape and tip size on the loading limit and shakedown of structure has been analyzed and compared, and the results are the trial foundation of intensive study about crack structures.