Elasticity of crystalline molecular explosives

DE Hooks, KJ Ramos, CA Bolme… - Propellants …, 2015 - Wiley Online Library
Crystalline molecular explosives are key components of engineered explosive formulations.
In precision applications a high degree of consistency and predictability is desired under a …

[HTML][HTML] Direct numerical simulation of shear localization and decomposition reactions in shock-loaded HMX crystal

RA Austin, NR Barton, JE Reaugh… - Journal of Applied Physics, 2015 - pubs.aip.org
A numerical model is developed to study the shock wave ignition of octahydro-1, 3, 5, 7-
tetranitro-1, 3, 5, 7-tetrazocine (HMX) crystal. The model accounts for the coupling between …

[HTML][HTML] Molecular dynamics-guided material model for the simulation of shock-induced pore collapse in β-octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine (β-HMX)

P Das, P Zhao, D Perera, T Sewell… - Journal of Applied …, 2021 - pubs.aip.org
Material models for single-crystal β-HMX are systematically examined in the context of
continuum pore-collapse simulations. Continuum predictions using five different isotropic …

[HTML][HTML] Continuum and molecular dynamics simulations of pore collapse in shocked β-tetramethylene tetranitramine (β-HMX) single crystals

CA Duarte, C Li, BW Hamilton, A Strachan… - Journal of Applied …, 2021 - pubs.aip.org
The collapse of pores plays an essential role in the shock initiation of high energy (HE)
materials. When these materials are subjected to shock loading, energy is localized in hot …

Defect evolution and pore collapse in crystalline energetic materials

NR Barton, NW Winter, JE Reaugh - Modelling and Simulation in …, 2009 - iopscience.iop.org
This work examines the use of crystal based continuum mechanics in the context of dynamic
loading. In particular, we examine model forms and simulations which are relevant to pore …

Void collapse generated meso-scale energy localization in shocked energetic materials: Non-dimensional parameters, regimes, and criticality of hotspots

NK Rai, HS Udaykumar - Physics of Fluids, 2019 - pubs.aip.org
The formation of hotspots due to collapse of voids leads to enhanced sensitivity of
heterogeneous energetic (HE) materials. Several mechanisms of void collapse have been …

Li+ Transport and Mechanical Properties of Model Solid Electrolyte Interphases (SEI): Insight from Atomistic Molecular Dynamics Simulations

D Bedrov, O Borodin, JB Hooper - The Journal of Physical …, 2017 - ACS Publications
A fundamental understanding of solid electrolyte interphase (SEI) properties is critical for
enabling further improvement of lithium batteries and stabilizing the anode–electrolyte …

A molecular dynamics simulation study of crystalline 1, 3, 5-triamino-2, 4, 6-trinitrobenzene as a function of pressure and temperature

D Bedrov, O Borodin, GD Smith, TD Sewell… - The Journal of …, 2009 - pubs.aip.org
Quantum chemistry-based dipole polarizable and nonpolarizable force fields have been
developed for 1, 3, 5-triamino-2, 4, 6-trinitrobenzene (TATB). Molecular dynamics …

Molecular dynamics simulations for pure ε-CL-20 and ε-CL-20-based PBXs

XJ Xu, HM Xiao, JJ Xiao, W Zhu… - The Journal of Physical …, 2006 - ACS Publications
Molecular dynamics has been employed to simulate the well-known high energy density
compound ε-CL-20 (hexanitrohexaazaisowurtzitane) crystal and 12 ε-CL-20-based PBXs …

Elastic–plastic wave profiles in cyclotetramethylene tetranitramine crystals

JJ Dick, DE Hooks, R Menikoff… - Journal of Applied Physics, 2004 - pubs.aip.org
The explosive molecular crystal cyclotetramethylene tetranitramine was studied in three
orientations in a set of plate impact experiments; the orientations studied were {110},{011} …