Athanasios Arsenlis

TL;DR: In this paper, a discrete Burgers circuit integral over the elastic displacement field is used to identify partial and interfacial dislocations in atomistic models of crystals with defects, which is not limited to specific lattices or dislocation types.

TL;DR: In this paper, numerical algorithms for discrete dislocation dynamics simulations are investigated for the purpose of enabling strain hardening simulations of singlecrystals on massively parallel computers, and the authors propose a deterministic algorithm for single-crystal simulations.

TL;DR: In this article, a non-singular, self-consistent framework for computing the stress field and the total elastic energy of a general dislocation microstructure was developed, in which the driving force defined as the negative derivative of the total energy with respect to the dislocation position, is equal to the force produced by stress, through the Peach-Koehler formula.

TL;DR: It is reported that interactions among three dislocations result in the formation of unusual elements of dislocation network topology, termed ‘multi-junctions’, which are responsible for the strong orientation dependence of strain hardening in body-centred cubic crystals.

TL;DR: In this paper, a set of evolution equations for dislocation density was developed incorporating the combined evolution of statistically stored and geometrically necessary densities, and the statistical density evolves through Burgers vector-conserving reactions based in dislocation mechanics.