3D computational model of wedge penetrator-rock mass interaction dynamics

Abstract

The paper describes computational model variants of penetration dynamics of a wedge-shaped tool in rock mass. The computation uses the quasi-static approximation of penetration resistance forces obtained preliminarily in 2D and 3D formulations. The scope of the analysis embraces the elastoplastic and elastic deformation events in the medium with regard to the equilibrium propagation of a main crack. The calculation results are compared with the experimental modeling data on impact-driven wedge penetration in an organic glass block. The comparison proves efficiency of the described computational models.