Abstract
A comprehensive study of the influence of geometric characteristics (model dimensions, crack length), temperature, strain rate, and the loading mixing parameter on the plate strength, crack growth and crack propagation direction angle is carried out. The material selected for this study is aluminum. The crack propagation direction angles of a central crack in an aluminum plate under mixed-mode loading are determined using the molecular dynamics method implemented in LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator). Atomistic modeling of mixed-mode loadings of the plane medium with the central crack allowed us to find all the crack propagation direction angles in the full range of the mixed-mode loadings. An embedded atom potential (EAM) available in LAMMPS molecular dynamics (MD) software is utilized to pinpoint accurately mixed-mode crack growth.
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