Artificial intelligence approaches for energetic materials by design: state of the art, challenges, and future directions

JB Choi, PCH Nguyen, O Sen… - Propellants …, 2023 - Wiley Online Library
Artificial intelligence (AI) is rapidly emerging as a enabling tool for solving complex materials
design problems. This paper aims to review recent advances in AI‐driven materials‐by …

[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 …

Tandem Molecular Dynamics and Continuum Studies of Shock‐Induced Pore Collapse in TATB

P Zhao, S Lee, T Sewell… - Propellants, Explosives …, 2020 - Wiley Online Library
All‐atom molecular dynamics (MD) and Eulerian continuum simulations, performed using
the LAMMPS and SCIMITAR3D codes, respectively, were used to study thermo‐mechanical …

A Physics‐Aware Deep Learning Model for Energy Localization in Multiscale Shock‐To‐Detonation Simulations of Heterogeneous Energetic Materials

PCH Nguyen, YT Nguyen, PK Seshadri… - Propellants …, 2023 - Wiley Online Library
Predictive simulations of the shock‐to‐detonation transition (SDT) in heterogeneous
energetic materials (EM) are vital to the design and control of their energy release and …

[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 …

PARC: Physics-aware recurrent convolutional neural networks to assimilate meso scale reactive mechanics of energetic materials

PCH Nguyen, YT Nguyen, JB Choi, PK Seshadri… - Science …, 2023 - science.org
The thermo-mechanical response of shock-initiated energetic materials (EMs) is highly
influenced by their microstructures, presenting an opportunity to engineer EM …

Mechanics of shock induced pore collapse in poly (methyl methacrylate)(PMMA): Comparison of simulations and experiments

NK Rai, EM Escauriza, DE Eakins… - Journal of the Mechanics …, 2020 - Elsevier
Head-to-head comparisons are made between calculations and experimental data on shock-
driven pore collapse in the transparent material, poly (methyl methacrylate)(PMMA) …

Multi-scale modeling of shock initiation of a pressed energetic material I: The effect of void shapes on energy localization

Y Nguyen, P Seshadri, O Sen, DB Hardin… - Journal of Applied …, 2022 - pubs.aip.org
Accurate simulations of the shock response of heterogeneous energetic (HE) materials
require closure models, which account for energy localization in the micro-structure. In a …

[HTML][HTML] Macro-scale sensitivity through meso-scale hotspot dynamics in porous energetic materials: Comparing the shock response of 1, 3, 5-triamino-2, 4, 6 …

NK Rai, O Sen, HS Udaykumar - Journal of Applied Physics, 2020 - pubs.aip.org
The sensitivity of an energetic material is strongly influenced by its microstructure. This work
distinguishes the roles played by the microstructure (ie, the meso-scale) in the macro-scale …

Structure–property–performance linkages for heterogenous energetic materials through multi-scale modeling

S Roy, O Sen, NK Rai, M Moon, E Welle… - … Experiments and Design, 2020 - Springer
In porous solid energetic materials, the mechanical processing technique (eg casting,
pressing) creates defects such as voids, cracks, interfaces, and inclusions; these defects in …