Dislocations play a vital role in the mechanical behavior of crystalline materials during
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …

Nanoparticles are commonly used in various fields of applications such as electronics,
catalysis or engineering where they can be subjected to a certain amount of stress leading …

In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …

Gradient nano-grained (GNG) metals have shown a better strength-ductility combination
compared to their homogeneous counterparts. In this paper, the mechanical properties and …

A multiscale modeling methodology involving discrete dislocation dynamics (DDD) and
crystal plasticity finite element method (CPFEM) was used to study the grain size effect in …

In this study, the effects of grain size and dislocation source properties on the yield stress of
ultrafine-grained (UFG) polycrystals were examined using three-dimensional multiscale …

Nanoindentation is a convenient method to investigate the mechanical properties of
materials on small scales by utilizing low loads and small indentation depths. However, the …

A new and efficient formulation of the Discrete-Continuous Model (DCM) for the simulation of
3D dislocation dynamics in complex finite or periodic volumes is presented. As in previous …

In this paper, an extension of the DDD-FFT approach presented in [1] is developed for
heterogeneous elasticity. For such a purpose, an iterative spectral formulation in which …

A mesoscale dislocation dynamics model which couples three-dimensional dislocation
dynamics (DD), and finite element method (FEM) was used to investigate the mechanical …