Experimental and numerical studies of nonlinear ultrasonic responses on plastic deformation in weld joints
Xiang Yan-Xun1, Zhu Wu-Jun1, Deng Ming-Xi2, Xuan Fu-Zhen1, †, 
configurations of the dislocation located in the middle of the LRM model, in which pinned strings are used for modeling different dislocations in the damaged states: (a) 0.2 μm, (b) 0.3 μm, and (c) 0.4 μm. The solid circles represent the pinned points of dislocations with a zero displacement.
