Recent progress in discrete dislocation dynamics and its applications to micro plasticity
We present a self-contained review of the discrete dislocation dynamics (DDD) method for
the numerical investigation of plasticity in crystals, focusing on recent development and …
the numerical investigation of plasticity in crystals, focusing on recent development and …
Avalanches in 2D dislocation systems: Plastic yielding is not depinning
We study the properties of strain bursts (dislocation avalanches) occurring in two-
dimensional discrete dislocation dynamics models under quasistatic stress-controlled …
dimensional discrete dislocation dynamics models under quasistatic stress-controlled …
Simulations of dislocation structure and response
R LeSar - Annu. Rev. Condens. Matter Phys., 2014 - annualreviews.org
Despite 5,000 years of metals in technology and 80 years since dislocations were
postulated as the carriers of deformation, we still lack fundamental theories of dislocation …
postulated as the carriers of deformation, we still lack fundamental theories of dislocation …
Modelling crystal plasticity by 3D dislocation dynamics and the finite element method: the discrete-continuous model revisited
A unified model coupling 3D dislocation dynamics (DD) simulations with the finite element
(FE) method is revisited. The so-called Discrete-Continuous Model (DCM) aims to predict …
(FE) method is revisited. The so-called Discrete-Continuous Model (DCM) aims to predict …
A variational formulation of constrained dislocation dynamics coupled with heat and vacancy diffusion
We present a formulation of the discrete Dislocation Dynamics (DD) method based on
Onsager׳ s variational principle. The motion of discrete dislocations is treated as a …
Onsager׳ s variational principle. The motion of discrete dislocations is treated as a …
Stochastic effects in plasticity in small volumes
Recent studies of micro-and nano-scale metallic structures have exposed considerable
statistical distribution, in addition to significant size dependencies, in the yield strength. This …
statistical distribution, in addition to significant size dependencies, in the yield strength. This …
A multiply parallel implementation of finite element-based discrete dislocation dynamics for arbitrary geometries
Discrete dislocation dynamics (DD) approaches have proven useful in modeling the
dynamics of large ensembles of dislocations. Continuing interest in finite body effects via …
dynamics of large ensembles of dislocations. Continuing interest in finite body effects via …
Analytical integration of the forces induced by dislocations on a surface element
An analytical formulation of the nodal forces induced by a dislocation segment on a surface
element is presented. The determination of such nodal forces is a critical step when …
element is presented. The determination of such nodal forces is a critical step when …
[HTML][HTML] Emerging science and research opportunities for metals and metallic nanostructures
CA Handwerker, TM Pollock - Jom, 2014 - Springer
During the next decade, fundamental research on metals and metallic nanostructures
(MMNs) has the potential to continue transforming metals science into innovative materials …
(MMNs) has the potential to continue transforming metals science into innovative materials …
[HTML][HTML] Boundary integral equations for 2D elasticity and its application in discrete dislocation dynamics simulation in finite body: 1. General theory
HH Yu, M Diab - International Journal of Solids and Structures, 2014 - Elsevier
A unified approach, originating from Cauchy integral theorem, is presented to derive
boundary integral equations for two dimensional elasticity problems. Several sets of …
boundary integral equations for two dimensional elasticity problems. Several sets of …