Development of nonlocal crystal plasticity theory accounting for discrete dislocation properties and its verification due to multiscale analysis

点击翻译按钮获取中文摘要

In this study, a strain gradient theory of crystal plasticity that accounts for the self-energy of geometrically necessary dislocations was developed. Then, an implicit iterative finite element scheme for the theory was also developed. It was demonstrated that this scheme is superior to the conventional method from the point of the incremental stability as well as of the computational efficiency. Furthermore, to verify the theory, the formulation of a homogenization theory for discrete dislocation dynamics analysis was successfully performed.