supported by the National Natural Science Foundation of China (Grant No. 50978083);the Fundamental Research Funds for the Central Universities (Grants No. 2009B07714 and 2010B13914) in China;the Innovation Project for Graduate Students of Jiangsu Province (Grant No. CX10B_215Z)
The directional dependency of the acoustic emission (AE) and deformation rate analysis (DRA) methods was analyzed, based on the contact bond model in the two-dimensional particle flow code (PFC2D) in two types o...