Molecular dynamics simulation of the shock response of materials: A tutorial

P Wen, G Tao, DE Spearot, SR Phillpot - Journal of Applied Physics, 2022 - pubs.aip.org
The aim of this Tutorial is to help new researchers understand how to perform molecular
dynamics (MD) simulations of the shock response of materials and to provide a brief …

Molecular Dynamics Investigation of Shock-Induced Deformation Behavior and Failure Mechanism in Metallic Materials

Y Zhu, Q Gong, M Yi - Archives of Computational Methods in Engineering, 2024 - Springer
Shock waves are generated under high-speed impact conditions, creating extreme
environments that are difficult to be simulated. Molecular dynamics (MD), as a vital tool for …

Investigation of dynamic impact responses of layered polymer-graphene nanocomposite films using coarse-grained molecular dynamics simulations

Z Yang, CC Chiang, Z Meng - Carbon, 2023 - Elsevier
Polymer nanocomposite films have recently shown superior energy dissipation capability by
using the micro-projectile impact testing method. However, how stress waves interact with …

Investigating the molecular origins of deformation in polyurea

AS Roy, N Mitra, S Ghosh - Polymer, 2022 - Elsevier
This paper discusses some of the fundamental mechanisms of atomic-scale deformation
associated with inter and intramolecular bond forces under applied loads in polyurea …

Atomic insights into shock-induced spalling of polyurea by molecular dynamics simulation

K Yao, Z Liu, Z Zhuang - Extreme Mechanics Letters, 2022 - Elsevier
Some block-copolymer elastomers are regarded as competitors to metal for lightweight
impact protection design. However, the microscopic spalling mechanism of polymer is still …

Quantum and classical molecular dynamics simulations of shocked polyurea and polyurethane

MAN Dewapriya, RE Miller - Computational Materials Science, 2022 - Elsevier
We conducted density functional theory based quantum molecular dynamics (QMD) and
force field based classical molecular dynamics (CMD) simulations to compute the shock …

Molecular dynamics study on the shock induced spallation of polyethylene

MAN Dewapriya, RE Miller - Journal of Applied Physics, 2022 - pubs.aip.org
Macroscopic experimental results of the plate impact tests of polymers are generally
interpreted using the free surface approximation and the acoustic approximation. However …

Strain rate effects on the axial tensile behavior of crystalline polyethylene: Insights from molecular dynamics simulations

MAN Dewapriya, SC Chowdhury, JM Deitzel… - Polymer, 2024 - Elsevier
During a transverse impact, ultra-high molecular weight polyethylene fibers within the
laminates experience axial tension over a range of high strain rate loading. We employed …

Shock compression of semiflexible polymers

DA Vega, P Lance, E Zorzi, RA Register, LR Gómez - Soft matter, 2023 - pubs.rsc.org
We employ molecular dynamics simulations to investigate the shock compression of linear
semiflexible polymers. While the propagation velocity of a shock primarily depends on …

Atomic Insight into Multilevel Microstructure Evolution and Energy Variation Mechanisms of Polyimide under Shock Compression

T Liu, L Chen, MH Zhu, W Li, Z Liu, J Zhang… - …, 2024 - ACS Publications
Polyimide (PI) stands as a foundational material in the aerospace industry and high-energy-
density science, and its shock response under extreme conditions constitutes an increasing …