Experimental and Computational Investigation of the Fundamental Mechanisms of Cratering
Organization: The Australasian Institute of Mining and Metallurgy
Jan 1, 1990
Early attempts at estimation of stress wave damage in blasting by use of finite element analysis met with limited success due to numerical instabilities that prevented calculations from being carried to late times. An improved damage model based on microcrack growth in tension allows finite element calculations which remain stable at late times. Estimation of crater profiles for blasting experiments in granite demonstrate successful simulations with this model.