Microscopic mechanisms of laser spallation and ablation of metal targets from large-scale molecular dynamics simulations

C Wu, LV Zhigilei - Applied Physics A, 2014 - Springer
The microscopic mechanisms of femtosecond laser ablation of an Al target are investigated
in large-scale massively parallel atomistic simulations performed with a computational …

Fragmentation processes in impact of spheres

HA Carmona, FK Wittel, F Kun, HJ Herrmann - Physical Review E—Statistical …, 2008 - APS
We study the brittle fragmentation of spheres by using a three-dimensional discrete element
model. Large scale computer simulations are performed with a model that consists of …

Numerical investigation of blast-induced rock fragmentation

J Tao, XG Yang, HT Li, JW Zhou, SC Qi… - Computers and …, 2020 - Elsevier
Optimum fragmentation of rocks during blasting is pivotal for the productivity of mining and
civil engineering systems. Extensive studies on the ubiquitous fragmentation phenomena in …

Statistical models of brittle fragmentation

JA Åström - Advances in Physics, 2006 - Taylor & Francis
Recent developments in statistical models for fragmentation of brittle material are reviewed.
The generic objective of these models is understanding the origin of the fragment size …

Power law and exponential ejecta size distributions from the dynamic fragmentation of shock-loaded Cu and Sn metals under melt conditions

O Durand, L Soulard - Journal of Applied Physics, 2013 - pubs.aip.org
Large scale molecular dynamics (MD) simulations are performed to study and to model the
ejecta production from the dynamic fragmentation of shock-loaded metals under melt …

Critical dynamics of damage-failure transition in wide range of load intensity

O Naimark, Y Bayandin, S Uvarov, I Bannikova… - Acta Mechanica, 2021 - Springer
The self-similarity of characteristic stages of damage-failure transition has been studied both
theoretically and experimentally, with the damage localization kinetics analyzed according …

The effect of different fracture mechanisms on impact fragmentation of brittle heterogeneous solid

G Ma, Y Zhang, W Zhou, TT Ng, Q Wang… - International Journal of …, 2018 - Elsevier
The fragmentation of brittle and heterogeneous spherical solids under impact loading is
numerically studied using the combined finite and discrete element method (FDEM) and …

Mechanisms in impact fragmentation

FK Wittel, HA Carmona, F Kun, HJ Herrmann - International journal of …, 2008 - Springer
The brittle fragmentation of spheres is studied numerically by a 3D Discrete Element Model.
Large scale computer simulations are performed with models that consist of agglomerates of …

New universality class for the fragmentation of plastic materials

G Timár, J Blömer, F Kun, HJ Herrmann - Physical Review Letters, 2010 - APS
We present an experimental and theoretical study of the fragmentation of polymeric
materials by impacting polypropylene particles of spherical shape against a hard wall …

Scaling laws for impact fragmentation of spherical solids

G Timár, F Kun, HA Carmona, HJ Herrmann - Physical Review E—Statistical …, 2012 - APS
We investigate the impact fragmentation of spherical solid bodies made of heterogeneous
brittle materials by means of a discrete element model. Computer simulations are carried out …