[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 …

A novel multi-scale model for predicting the thermal damage of hybrid fiber-reinforced concrete

Y Zhang, JW Ju, H Zhu, Z Yan - International Journal of …, 2020 - journals.sagepub.com
A multi-scale micromechanical model is proposed to predict the damage degree of hybrid
fiber-reinforced concrete under or after high temperatures. The thermal degradation of …

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 …

[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 …

Pressure‐dependent elastic coefficients of β‐HMX from molecular simulations

N Mathew, T Sewell - Propellants, Explosives, Pyrotechnics, 2018 - Wiley Online Library
The second‐order elastic stiffness tensor and isotropic moduli of β‐octahydro‐1, 3, 5, 7‐
tetranitro‐1, 3, 5, 7‐tetrazocine (β‐HMX, P21/n space group setting) on the 0 K isotherm are …

A molecular dynamics simulation study of thermal conductivity anisotropy in β-octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine (β-HMX)

R Chitsazi, MP Kroonblawd… - … and Simulation in …, 2020 - iopscience.iop.org
Molecular dynamics (MD) simulations were used to predict the thermal conductivity of β-
octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine (β-HMX) along directions normal to the …

A machine-learning-enhanced hierarchical multiscale method for bridging from molecular dynamics to continua

S Xiao, R Hu, Z Li, S Attarian, KM Björk… - Neural Computing and …, 2020 - Springer
In the community of computational materials science, one of the challenges in hierarchical
multiscale modeling is information-passing from one scale to another, especially from the …

Machine learning in multiscale modeling of spatially tailored materials with microstructure uncertainties

S Xiao, P Deierling, S Attarian, A El Tuhami - Computers & Structures, 2021 - Elsevier
In this paper, a novel hierarchical micro–macro multiscale modeling enhanced via machine
learning is proposed. Machine learning plays an important role in this multiscale framework …

Forging of hierarchical multiscale capabilities for simulation of energetic materials

BC Barnes, KW Leiter, JP Larentzos… - Propellants …, 2020 - Wiley Online Library
We present new capabilities for investigation of microstructure in energetic material
response for both explicit large‐scale and multiscale simulations. We demonstrate the …

A machine-learning-enabled approach for bridging multiscale simulations of CNTs/PDMS composites

L Yu, C Zhi, Z Sun, H Guo, J Chen, H Dong… - National Science …, 2024 - nso-journal.org
Benefitting from the interlaced networking structure of carbon nanotubes (CNTs), the
composites of CNTs/polydimethylsiloxane (PDMS) have found extensive applications in …