Title :
Recent advances in large-scale atomistic materials simulations
Author :
Germann, Timothy C. ; Lomdahl, Peter S.
Author_Institution :
Condensed Matter & Stat. Phys. Group, Los Alamos Nat. Lab., NM, USA
Abstract :
There has been a great leap forward in large scale molecular dynamics simulations due to both the growing availability of massively parallel supercomputers and the algorithmic work on parallel neighbor-list and cell-based MD codes. Simulations involving tens or hundreds of millions of atoms have gone from being a computational curiosity to being a routine scientific tool used to study diverse phenomena; everything from the propagation of cracks and shock waves through various materials to the surprisingly complex processes that occur when a pair of extended dislocations intersect. We convey some of the more exciting developments that have greatly helped our own research efforts, addressing the structural properties of metals by large-scale MD simulations (http://bifrost.lanl.gov/MD/MD.html) and that can be applied to many other subfields of scientific computation
Keywords :
digital simulation; materials science; molecular dynamics method; parallel algorithms; parallel machines; physics computing; cell-based MD codes; crack propagation; dislocations; large-scale MD simulations; large-scale atomistic materials simulations; massively parallel supercomputers; molecular dynamics simulations; parallel algorithms; parallel neighbor-list codes; shock waves; structural properties; Analytical models; Computational modeling; Computer peripherals; Concurrent computing; Copper; Hardware; Inorganic materials; Large-scale systems; Materials science and technology; Supercomputers;
Journal_Title :
Computing in Science & Engineering
DOI :
10.1109/5992.753040