Journal ArticleDOI
Shock induced deformation response of single crystal copper: Effect of crystallographic orientation
Anupam Neogi,Nilanjan Mitra +1 more
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TLDR
In this paper, the effect of crystallographic orientation over the evolution of deformation pathway of single crystal copper under shock compression has been investigated for multimillion atom non-equilibrium molecular dynamics simulations.About:
This article is published in Computational Materials Science.The article was published on 2017-07-01. It has received 29 citations till now. The article focuses on the topics: Shock (mechanics) & Shock wave.read more
Citations
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Fast parallel algorithms for short-range molecular dynamics
TL;DR: Comparing the results to the fastest reported vectorized Cray Y-MP and C90 algorithm shows that the current generation of parallel machines is competitive with conventional vector supercomputers even for small problems.
Journal ArticleDOI
Atomistic simulations of shock compression of single crystal and core-shell Cu@Ni nanoporous metals
TL;DR: In this article, the deformation behavior of a single crystal structure and a core-shell Cu@Ni nanoporous (NP) structure under shock loading for a wide range of shock intensities was investigated.
Journal ArticleDOI
Molecular dynamics simulation of the shock response of materials: A tutorial
TL;DR: In this article , two distinct approaches for generating shock waves are reviewed, non-equilibrium MD simulations generate a shock front, usually moving along one axis of the sample, with the processes associated with shock wave propagation monitored throughout the simulation.
Journal ArticleDOI
Investigation of the elastically shock-compressed region and elastic–plastic shock transition in single-crystalline copper to understand the dislocation nucleation mechanism under shock compression
TL;DR: In this article, the authors present a molecular dynamics simulation of the shock compression of a Cu single crystal along the 〈110〉 direction specifically focusing on the mechanisms observed in the elastically compressed and the elastic-plastic transition regions.
Journal ArticleDOI
Atomistic simulations of the strengthening effect of high-density bubble formation in helium irradiated single crystalline copper
TL;DR: In this paper, the authors performed atomistic simulations to study the strengthening effect of He bubbles with different He atom concentrations within a single crystal copper matrix, and demonstrated mechanical strengthening and enhanced ductility of single crystal He bubbles containing high-density He atoms.
References
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Journal ArticleDOI
Fast parallel algorithms for short-range molecular dynamics
TL;DR: In this article, three parallel algorithms for classical molecular dynamics are presented, which can be implemented on any distributed-memory parallel machine which allows for message-passing of data between independently executing processors.
Fast parallel algorithms for short-range molecular dynamics
TL;DR: Comparing the results to the fastest reported vectorized Cray Y-MP and C90 algorithm shows that the current generation of parallel machines is competitive with conventional vector supercomputers even for small problems.
Journal ArticleDOI
Visualization and analysis of atomistic simulation data with OVITO–the Open Visualization Tool
TL;DR: The Open Visualization Tool (OVITO) as discussed by the authors is a 3D visualization software designed for post-processing atomistic data obtained from molecular dynamics or Monte Carlo simulations, which is written in object-oriented C++, controllable via Python scripts and easily extendable through a plug-in interface.
Journal ArticleDOI
Structural stability and lattice defects in copper: Ab initio , tight-binding, and embedded-atom calculations
TL;DR: In this article, the ability of the embedded-atom method (EAM) and the tight-binding (TB) method to predict reliably energies and stability of nonequilibrium structures by taking Cu as a model material was evaluated.
Journal ArticleDOI
Dynamics of viscoplastic deformation in amorphous solids
Michael L. Falk,James S. Langer +1 more
TL;DR: In this article, a dynamical theory of low-temperature shear deformation in amorphous solids is proposed based on molecular-dynamics simulations of a two-dimensional, two-component non-crystalline system.
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A metastable phase of shocked bulk single crystal copper: an atomistic simulation study
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