机译:Dynamic Fracture Characteristics of Polymethyl Methacrylate with Two Symmetrical Prefabricated Notches
School of Mechanics and Architecture Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;
State Key Laboratory for Geomechanics and Deep Underground Engineering, Beijing 100083, China;
School of Mechanics and Architecture Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;
caustics; dynamic fracture; crack propagation; distinct lattice spring model;