Sensitivity of pore collapse heating to the melting temperature and shear viscosity of HMX

MP Kroonblawd, RA Austin - Mechanics of Materials, 2021 - Elsevier
A multiscale modeling strategy is used to quantify factors governing the temperature rise in
hot spots formed by pore collapse from supported and unsupported shock waves in the high …

John N. Sherwood: studies of energetic materials

RM Vrcelj, HG Gallagher, PJ Halfpenny - Crystal Growth & Design, 2023 - ACS Publications
Studies on the physicomechanical properties of commonly used energetic materials (EMs)
that were pursued by the group led by Professor John Sherwood are reviewed in this paper …

[HTML][HTML] Continuum models for meso-scale simulations of HMX (1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocane) guided by molecular dynamics: Pore collapse, shear bands …

YT Nguyen, C Okafor, P Zhao, O Sen, CR Picu… - Journal of applied …, 2024 - pubs.aip.org
Meso-scale calculations of energy localization and initiation in energetic material
microstructures must capture the deformation and collapse of pores and high-temperature …

[HTML][HTML] Thermal conductivity tensor of β-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazoctane (β-HMX) as a function of pressure and temperature

R Perriot, MJ Cawkwell - Journal of Applied Physics, 2021 - pubs.aip.org
We have used reverse non-equilibrium molecular dynamics (⁠ R NEMD) simulations to
determine the full thermal conductivity tensor for the monoclinic high explosive crystal β-1, 3 …

Shock-induced nanoscale pore collapse and hotspot in cyclotetramethylene tetranitramine (HMX)

K Ding, XJ Wang, FL Huang - International Journal of Mechanical Sciences, 2024 - Elsevier
Pore collapse induced hotspot formation is a key mechanism for initiating detonation of
shocked high explosives. Accurate continuum models that faithfully capture the pore …

Structure and properties of dislocations and the twin boundary on (101) in β-cyclotetramethylene tetranitramine

MJ Cawkwell, N Mohan, M Zecevic… - Philosophical …, 2022 - Taylor & Francis
Dispersion-corrected density functional theory calculations of the generalised stacking fault
energy surface of the (101) plane in monoclinic β-cyclotetramethylene tetranitramine (β …

Transport Properties of Liquid Pentaerythritol Tetranitrate (PETN) from Molecular Dynamics Simulations

R Perriot, MJ Cawkwell, VW Manner - The Journal of Physical …, 2024 - ACS Publications
We have used molecular dynamics simulations to determine the transport properties of
liquid pentaerythritol tetranitrate (PETN), an important energetic material. The density, ρ, self …

Strain hardening in molecular crystal cyclotetramethylene-tetranitramine (β-HMX): a theoretical evaluation

M Khan, CR Picu - … and Simulation in Materials Science and …, 2021 - iopscience.iop.org
The molecular crystal cyclotetramethylene-tetranitramine (β-HMX) is a broadly used
energetic material. Its plastic deformation is important when describing the detonation …

[HTML][HTML] Johnson–Cook yield functions for cyclotetramethylene-tetranitramine (HMX) and cyclotrimethylene-trinitramine (RDX) derived from single crystal plasticity …

O Sen, PK Seshadri, NK Rai, J Larentzos… - Journal of Applied …, 2024 - pubs.aip.org
High-fidelity constitutive models are critical for accurate meso-scale continuum modeling
and prediction of shock initiation of crystalline energetic materials (EMs). While empirically …

Molecular Dynamics Predictions of Shock‐Induced Pore Collapse in (010)‐Oriented β‐HMX: Effects of Sample Thickness and Transverse Orientation, and Run‐To …

P Zhao, D Perera, T Sewell - Propellants, Explosives …, 2022 - Wiley Online Library
Using shock‐induced quasi‐2D pore collapse in β‐HMX as a specific case study, we
address three practical questions that arise when designing and interpreting molecular …