TY - JOUR AN - 064625127 AU - Fan,H AU - He,S PY - 2015 TI - An Angle-Based Method Dealing with Vertex Vertex Contact in the Two-Dimensional Discontinuous Deformation Analysis (DDA) JO - Rock Mechanics and Rock Engineering VL - 48 IS - 5 SP - 2031 EP - 2043 SN - 0723-2632 DO - 10.1007/s00603-014-0692-8 UR - https://eurekamag.com/research/064/625/064625127.php ER -