Journal Articles
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- Modeling the effect of voids on solid composite propellant deflagration
and mechanics pdf bibtex
C Munger, J Stocker, E Sandall, B Runnels
engrXiv Preprint (2026) - Mechanics of incompatible asymmetric grain boundary migration pdf bibtex
B Runnels
arXiv Preprint (2026) - A diffuse boundary method for phase boundaries in viscous compressible flow pdf bibtex
E M Boyd, E Sandall, M Meier, JM Quinlan, B Runnels*
Journal of Computational Physics (2026) - Predicting grain boundary void nucleation sites in microstructure during shock loading with convolutional neural networks pdf bibtex
A Anantharanga, J Plummer, S Fensin, B Runnels*
Acta Materialia (2026) - Energetics of the nucleation and glide of disconnection modes in symmetric tilt grain boundaries pdf bibtex
H Joshi, I Chesser, B Runnels, N Admal*
Acta Materialia (2026) - Inverse method for determining general molecular weight distribution from polymer rheology pdf bibtex
N Pushkar, X Yee, J McCollum, B Runnels*
Journal of Rheology (2026) - The Alamo multiphysics solver for phase field simulations with block structured adaptive mesh refinement pdf bibtex
B Runnels*, V Agrawal, M Meier
Journal of Open Source Software (2025) - The structure and migration of twin boundaries in tetragonal beta-Sn: an application of machine learning based interatomic potentials pdf bibtex
I Chesser*, M Nitol, E Hessong, H Joshi, N Admal, B Runnels, DN Blaschke, K Dang, A Hunter, S Fensin
Acta Materialia (2025) - Fundamental Microscopic Properties as Predictors of Grain Boundary Energy Trends pdf bibtex
B Jasperson, Ilia Nikiforov, A Samanta, B Runnels, H T Johnson, E Tadmor*
Acta Materialia (2025) - Atomistic-informed phase field modeling of magnesium twin growth by disconnections pdf bibtex
Y Hu, D Kochmann, B Runnels*
Acta Materialia (2025) - Finite-temperature grain boundary properties from quasistatic atomistics pdf bibtex
M Spinola, S Saxena, P Gupta, B Runnels, D Kochmann*
Computational Materials Science (2024) - An atomistic survey of shear coupling in asymmetric tilt grain boundaries and interpretation using the disconnections framework bibtex
H Joshi, I Chesser, B Runnels, N Admal*
Acta Materialia (2024) - Finite kinematics diffuse interface mechanics coupled to solid composite propellant deflagration pdf bibtex
M Meier, B Runnels*
Computer Methods in Applied Mechanics and Engineering (2024) - Facet and energy predictions in grain boundaries: lattice matching and molecular dynamics pdf bibtex
B Dobrovolski, C Braxton Owens, Gus L W Hart, E Homer, B Runnels*
Acta Materialia (2024) - Grain boundary network plasticity: reduced-order modeling of deformation-driven shear-coupled microstructure evolution pdf bibtex
D Bugas, B Runnels*
Journal of the Mechanics and Physics of Solids (2024) - Diffuse interface method for solid composite propellant ignition and regression pdf bibtex
M Meier, EM Schmidt, P Martinez, JM Quinlan, B Runnels*
Combustion and Flame (2024) - Automated determination of grain boundary energy and potential-dependence using the OpenKIM framework pdf bibtex
B Waters, D Karls, I Nikiforov, R Elliott, E Tadmor, B Runnels*
Computational Materials Science (2023) - Robust, strong form mechanics on an adaptive structured grid: efficiently solving variable-geometry near-singular problems with diffuse interfaces pdf bibtex
V Agrawal, B Runnels*
Computational Mechanics (2023) - Self-similar diffuse boundary method for phase boundary driven flow pdf bibtex
EM Schmidt, JM Quinlan, B Runnels*
Physics of Fluids (2022) Invited - Comparison of evolving interfaces, triple points, and quadruple points for discrete and diffuse interface methods pdf bibtex
E Eren*, B Runnels, J Mason
Computational Materials Science (2022) - A diffuse interface method for solid-phase modeling of regression behavior in solid composite propellants pdf bibtex
B Kanagarajan, JM Quinlan, B Runnels*
Combustion and Flame (2022) - Interface History on Strain Field Evolution in Epoxy Resins bibtex
J Strutton, N Moser, EJ Garboczi, A Jennings, B Runnels, JM McCollum*
ACS Applied Polymer Materials (2022) - A taxonomy of grain boundary migration mechanisms via displacement texture characterization pdf bibtex
I Chesser*, B Runnels, E Holm
Acta Materialia (2022) - Multiphase field modeling of grain boundary migration mediated by emergent disconnections pdf bibtex
M Gokuli, B Runnels*
Acta Materialia (2021) - Block structured adaptive mesh refinement and strong form elasticity approach to phase field fracture with applications to delamination, crack branching and crack deflection pdf bibtex
V Agrawal*, B Runnels
Computer Methods in Applied Mechanics and Engineering (2021) - Optimal transportation of grain boundaries: A forward model for predicting migration mechanisms pdf bibtex
I Chesser, E Holm, B Runnels*
Acta Materialia (2021) - Massively parallel finite difference elasticity using a block-structured adaptive mesh refinement with a geometric multigrid solver pdf bibtex
B Runnels*, V Agrawal, W Zhang, A Almgren
Journal of Computational Physics (2021) - Experimental and numerical investigation into mechanical degradation of polymers bibtex
A Celestine*, V Agrawal, B Runnels
Composites Part B: Engineering (2020) - Phase field disconnections: A continuum method for disconnection-mediated grain boundary motion pdf bibtex
B Runnels*, V Agrawal
Scripta Materialia (2020) - A continuum thermodynamic framework for grain boundary motion pdf bibtex
I Chesser, T Yu, C Deng, E Holm, B Runnels*
Journal of the Mechanics and Physics of Solids (2020) - A new approach for phase field modeling of grain boundaries with strongly nonconvex energy pdf bibtex
JG Ribot, V Agrawal, B Runnels*
Modelling and Simulation in Materials Science and Engineering (2019) - Determination of minimal energy facet structures in Sigma3 and Sigma9 grain boundaries: experiment and simulation pdf bibtex
AC Leff, B Runnels*, A Nye, ML Taheri, IJ Beyerlein
Materialia (2019) - A projection-based reformulation of the coincident site lattice Sigma for arbitrary bicrystals at finite temperature pdf commentary bibtex
B Runnels*
Acta Crystallographica A (2017) Cover - A relaxation method for the energy and morphology of grain boundaries and interfaces pdf bibtex
B Runnels, IJ Beyerlein, S Conti, M Ortiz*
Journal of the Mechanics and Physics of Solids (2016) - An analytical model of interfacial energy based on a lattice-matching interatomic energy pdf bibtex
B Runnels, IJ Beyerlein, S Conti, M Ortiz*
Journal of the Mechanics and Physics of Solids (2016)
Conference Papers
- Phase Field Fracture Determination of Microstructure Dependent Fracture of Explosives
L Gates, B Runnels
JANNAF Spring 2026 (2026) - A Diffuse Interface Framework for Shock-Driven Vaporization in Compressible Multiphase Systems
S Patel, T Tryon, B Runnels, JM Quinlan
AIAA SciTech 2026 (2026) - Diffuse Interface Model with Surface Tension for Modeling Wave–Droplet Interactions in Compressible Two-Phase Flows
S Patel, T Tryon, X Yee, B Runnels, JM Quinlan
AIAA SciTech 2026 (2026) - Phase field modeling of aluminum agglomeration in solid composite propellants
M Mehrtens, B Runnels
AIAA SciTech 2026 (2026) - Mechanical Failure of Ammonium Perchlorate Composite Propellants for the Development of Computational Mechanical Models
K Hollis-Brau, J Plotzke, L Gates, B Runnels, MS McClain
AIAA SciTech 2026 (2026) - A Diffuse Interface Approach to Modeling Acoustic Wave-Droplet Interactions bibtex
S Patel, J Griffin, E Schmidt, B Runnels, JM Quinlan
AIAA SciTech 2024 (2024) - A Diffuse Interface Model for Viscous Compressible Flow through Eroding Porous Media bibtex
E Schmidt, M Meier, JM Quinlan, B Runnels
AIAA SciTech 2024 (2024) - Anisotropy of burn rates in solid composite propellants with phase field modeling bibtex
M Meier, E Boyd, JM Quinlan, B Runnels
AIAA SciTech 2024 (2024) - Modeling Optimization of Stencil Computations Via Domain-level Properties bibtex
B Nesterenko, Q Yi, PH Lin, C Liao, D. Quinlan, B Runnels
PMAM 2022 (2022) - Phase field modeling of solid phase AP/HTPB to determine the effect of particle distribution on regression rate bibtex
B Kanagarajan, JM Quinlan, B Runnels
AIAA SciTech 2022 (2022) - A Diffuse Interface Method for the Coupling of Solid and Gaseous Phases in a 1D Verification Problem for Combustion of AP/HTPB bibtex
E Schmidt, J.M Quinlan, Brian Bojko, B Runnels
AIAA SciTech 2022 (2022) - Design, development, and assembly of sub-orbital space flight structural health monitoring experiment bibtex
W Reiser, B Runnels, C White, A Light-Marquez, A Zagrai, D Siler, S Marinsek, A Murray, S Taylor, G Park, C Farrar, R Sansom
SPIE Conference Proceedings (2012)
Presentations
- Phase field multiphysics modeling of solid rocket propellant
Seminar,AFRL Seminar, California, USA, 5/12/2026 - Damage at grain boundaries: mechanics and machine learning
Seminar,TU Dresden Seminar, Dresden, Germany, 3/6/2026 - Phase field methods for solid / fluid mechanics problems: energetic and structural materials with Alamo
Invited Talk,SIAM PP 2026, Berlin, Germany, 3/4/2026 - Modeling solid rocket motors
Seminar,ETH Zurich IMES Seminar, Zürich, Switzerland, 3/2/2026 - Unraveling the mechanics of damage nucleation with computer vision
Invited Talk,IMECE 2025, Memphis, TN, 11/17/2025 - Modeling solid rocket motors
Seminar,Georgia Tech Seminar, Atlanta, GA, 10/15/2025 - Multiphysics simulation of nano-aluminum propellant deflagration
Invited Talk,Purdue Energetic Materials Summit, Purdue University, 9/24/2025 - Multiphysics simulation of nano-aluminum propellant deflagration
Invited Talk,USACM Nanomaterials 2025, UIUC, 9/17/2025 - Solid Mechanics in Alamo/AMReX: From Optimized Trusses to Burning Propellants
Invited Talk,HPSF Conference 2025, Chicago, IL, 5/7/2025 - Introduction to the phase field method: theory, computation, and application
Guest Lecture,ETH Zurich course on proposal writing in solid mechanics, Virtual, 4/3/2025 - Computational Multiphysics Problems in Materials Science with Alamo
Contributed talk,TMS 2025, Las Vegas, Nevada, 3/25/2025 - Mesoscale Mechanics of Grain Boundary Disconnections and Shear Coupling"
Contributed talk,TMS 2025, Las Vegas, Nevada, 3/25/2025 - A Machine Learning Informed Phase Field Damage Model to Simulate Void
Nucleation and Growth in Metal Microstructures
Contributed talk,TMS 2025, Las Vegas, Nevada, 3/27/2025 - Enhancing Molecular Dynamics Visualization: Integrating Ovito With Blender Through Blemd
Poster,IMECE 2024, Portland, Oregon, 11/16/2024 - A Machine Learning Informed Phase Field Damage Model to Simulate Void Nucleation and Growth in Metal Microstructures.
Poster,IMECE 2024, Portland, Oregon, 11/16/2024 - A Machine Learning Informed Phase Field Damage Model to Simulate Void Nucleation and Growth in Metal Microstructures.
Contributed talk,IMECE 2024, Portland, Oregon, 11/21/2024 - Diffuse interface methods in multiphysics simulation of propellant deflagration
Invited Talk,IUTAM Symposium on Computational Fracture Mechanics in Multi-Field Problems, Bad Honnef, Germany, 12/9/2024 - Mesoscale modeling of solid rocket motors
Seminar,PhDAER Seminar, Milan, Italy, 12/6/2024 - Multiscale modeling of grain boundary plasticity
Invited Talk,International Workshop on Advancements in Mesoscale Materials Modeling, Dresden, Germany, 12/4/2024 - Mechanics of grain boundary migration from atomistic to continuum scales
Keynote Talk,MMM 2024, Prague, Czech Republic, 9/24/2024 - Modeling Regression and Mechanical Response in Solid Composite Propellants
Invited Talk,Gordon Research Conference on Energetic Materials, Sunday River, Maine, 6/5/2024 - Multiscale Mechanics Simulations with Diffuse Interfaces and Block-Structured AMR
Invited Talk,SIAM PPSC 2024, Baltimore, MD, 3/7/2024 - Massively Parallel Simulations with Diffuse Interface Methods and Block-structured Adaptive Mesh Refinement
Contributed talk,TMS 2024, Orlando, FL, 3/6/2024 - Predicting void nucleation in microstructures with hybrid neural networks
Contributed talk,TMS 2024, Orlando, FL, 3/5/2024 - Grain boundary plasticity: defects to continuum modeling
Keynote Talk,Internaional Conference on Plasticity, Damage, and Fracture, Panama City, Panama, 1/6/2024 - Modeling Solid Rocket Motors: condensed phase mechanics simulations at the mesoscale
Seminar,University of Iowa Mechanical Engineering Seminar, Iowa City, IA, 10/12/2023 - Navier-Stokes Solver for Phase Field Modeled Solid-Fluid Interactions
Contributed talk,SES 2023, Minneapolis, MN, 10/10/2023 - Grain boundary network plasticity: Multiscale modeling of deformation-driven microstructure evolution
Contributed talk,SES 2023, Minneapolis, MN, 10/10/2023 - Thermal-Elastic Model of Regression of Solid Composite Propellants
Contributed talk,SES 2023, Minneapolis, MN, 10/9/2023 - Predicting damage initiation with computer vision
Invited Talk,SES 2023, Minneapolis, MN, 10/9/2023 - The mechanics of grain boundaries and microstructure evolution: Exploring the phenomenon of grain boundary migration, from atoms to twins
Seminar,Iowa State MSE Seminar, Ames, IA, 10/2/2023 - Modeling solid rocket motors: condensed phase mechanics simulations at the mesoscale
Seminar,New Mexico Tech Seminar, Socorro, NM, 4/25/2023 - Predicting damage initiation with computer vision
Invited Talk,MRS 2023, San Francisco, CA, 4/11/2023 - Simulating solid rocket propellants at the mesoscale
Seminar,CCSE Seminar, Berkeley, CA, 4/10/2023 - Modeling the burn behavior of solid composite propellants for rocket propulsion
Seminar,BYU Mechanical Engineering Seminar, Provo, UT, 4/2/2023 - The mechanics of grain boundaries and microstructure evolution
Seminar,EPFL Seminar, Lausanne, Switzerland, 3/21/2023 - Simulating solid rocket propellants at the mesoscale
Seminar,IMES Seminar, ETH Zürich, Zürich, Switzerland, 3/10/2023 - The mechanics of grain boundaries and microstructure evolution
Seminar,TU Dresden Seminar, Dresden, Germany, 3/2/2023 - The mechanics of grain boundaries and microstructure evolution
Seminar,Mechanics and Materials Seminar, ETH Zürich, 2/23/2023 - A Self-Similar Diffuse Interface Method for a Rotating Ablating Cylinder
Contributed Talk,APS Fluids, Indianapolis, IN, 11/22/2022 - Network Plasticity:A Mesoscale-to-Continuum Model for Grain Boundary Mediated Plasticity
Invited Talk,SES 2022, College Station, TX, 10/18/2022 - Shear Coupled Microstructure Evolution with Phase Field Emergent Disconnections
Contributed talk,MMM 2022, Baltimore, MD, 10/4/2022 - Phase Field Emergent Disconnections in Grain Boundary Migration
Contributed talk,USNC/TAM 2022, Austin, TX, 6/24/2022 - Network Plasticity: a Mesoscale-to-Continuum Model for Grain Boundary Mediated Plasticity
Contributed talk,USNC/TAM 2022, Austin, TX, 6/23/2022 - Phase Field Modeling of Regression Rates and Morphology in Solid Composite Propellants
Contributed talk,USNC/TAM 2022, Austin, TX, 6/22/2022 - Emergent Disconnections in Phase Field Microstructure: Modeling Complex Boundary Migration at the Mesoscale
Contributed talk,TMS 2022, Anaheim, CA, 2/28/2022 - Simulating solid rocket motor composite propellants at the mesoscale
Seminar,UCCS Physics Seminar, Colorado Springs, CO, 2/25/2022 - Simulating solid rocket motor composite propellants at the mesoscale
Seminar,Auburn Aerospace Engineering Seminar, Virtual, 9/10/2021 - Phase field emergent disconnections: Exploring complex grain boundary migration from the mesoscale perspective
Contributed talk,USNCCM 2021, Virtual, 7/26/2021 - Microstructure evolution in polycrystalline metals: from optimal transportation to phase field disconnections
Seminar,Indian Institute of Science Seminar, Bangalore, India, 3/31/2021 - Quantifying potential dependence of grain boundary properties using OpenKIM
Invited Talk,Society of Engineering Science Annual Technical Meeting, Virtual, 9/30/2020 - Unifying mechanisms of grain boundary migration through a continuum thermodynamic framework: Applying insights from crystal plasticity to microstructure evolution
Seminar,Auburn University Aerospace Engineering Seminar, Auburn, AL, 1/24/2020 - Unifying mechanisms of grain boundary migration through a continuum thermodynamic framework: Applying insights from crystal plasticity to microstructure evolution
Seminar,CU Boulder Aerospace Engineering Seminar, Boulder, CO, 11/1/2019 - Unifying mechanisms of grain boundary migration through a continuum thermodynamic framework: Applying insights from crystal plasticity to microstructure evolution
Seminar,UC Santa Barbara Mechanical Engineering Seminar, Santa Barbara, CA, 10/21/2019 - Unifying mechanisms of grain boundary migration through a continuum thermodynamic framework
Invited Talk,USACM Thematic Workshop on Recent Advances in the Modeling and Simulation of the Mechanics of Nanoscale Materials, Philadelphia, PA, 8/22/2019 - Mesoscale Modeling and Simulation of Microstructure Evolution Driven by Strong Anisotropic Grain Boundary Energy and Mobility
Contributed talk,USNCCM 2019, Austin, TX, 7/30/2019 - Atomistic to Continuum Modeling of Metalized Polyvinylidene Fluoride with Aluminum Nanoparticles
Contributed talk,TMS 2019, San Antonio, TX, 3/12/2019 - The effect of strong anisotropic grain boundary energy on microstructure formation and evolution: mesoscale modeling and simulation
Contributed talk,TMS 2019, San Antonio, TX, 3/12/2019 - Solid mechanics applications with AMReX: Simulating microstructure evolution in metals, solid burn in energetics, and degradation in polymers
Invited Talk,SIAM CSE, Spokane, WA, 2/25/2019 - The effect of strong anisotropic grain boundary energy and mobility on microstructure formation and evolution: mesoscale modeling and simulation
Seminar,Colorado State University Mechanical Engineering Seminar, Ft Collins, CO, 2/19/2019 - The effect of strong anisotropic grain boundary energy and mobility on microstructure formation and evolution: mesoscale modeling and simulation
Seminar,UC Davis Materials Science Seminar, Davis, CA, 1/15/2019 - The effect of strong anisotropic grain boundary energy and mobility on microstructure formation and evolution: mesoscale modeling and simulation
Invited Talk,MMM 2018, Osaka, Japan, 11/1/2018 - Phase field modeling of microstructure evolution with anisotropy and orientation dependence, informed by a realistic model for boundary energy
Seminar,AFRL Wright Patterson Seminar, Dayton, OH, 7/9/2018 - Computational modeling of VDF composites
Invited Talk,Fluoropolymer 2018, Denver, CO, 6/26/2018 - Phase field modeling of grain boundary migration with anisotropy and orientation dependence, informed by a realistic model for boundary energy
Contributed talk,USNC/TAM, Chicago, IL, 6/8/2018 - Phase Field Simulation of Microstructure Evolution Driven by Strong Grain Boundary Anisotropy Computed Using Realistic Models for Grain Boundary Energy
Contributed talk,TMS 2018, Phoenix, AZ, 3/12/2018 - How grain boundaries drive material behavior: from analytic modeling to microstructure evolution
Seminar,Auburn University Aerospace Engineering Seminar, Auburn, AL, 10/23/2017 - How grain boundaries drive material behavior: from analytic modeling to microstructure evolution
Seminar,Missouri S&T Mechanical Engineering Seminar, Rolla, MO, 10/19/2017 - Phase field simulation of microstructure evolution driven by grain boundary anisotropy - Kinetics of microfaceting with realistic boundary energy
Contributed talk,SES 2017, Boston, MA, 7/27/2017 - Lattice matching for predicting anisotropic grain boundary properties...towards grain boundary engineering for designed microstructure
Contributed talk,TMS 2017, San Diego, CA, 2/27/2017 - Modeling and simulation of grain boundary anisotropy-driven mechanics in fcc and bcc materials
Contributed talk,SES 2016, College Park, MA, 10/4/2016 - Modeling grain boundaries in metals with optimal transportation theory, calculus of variations, and the phase field method
Seminar,Colorado State University Mathematics Seminar, Ft Collins, CO, 9/15/2016 - Modeling anisotropic grain boundary energy and morphology in cubic crystals with applications to microstructural evolution
Contributed talk,EMI/PMC 2016, Nashville, TN, 5/24/2016 - A general and predictive model of anisotropic grain boundary energy and morphology
Contributed talk,TMS 2016, Nashville, TN, 2/16/2016 - A general and predictive model of anisotropic grain boundary energy and morphology for polycrystal-level simulations
Seminar,Vanderbilt Mechanical Engineering Seminar, Nashville, TN, 2/15/2016 - Modeling grain boundary energy anisotropy with applications to morphology and computational microstructural evolution
Seminar,University of Minnesota Solid Mechanics Seminar, Minneapolis, MN, 12/1/2015 - A new model for the energy and morphology of grain boundaries and interfaces
Contributed talk,IMECE 2015, Houston, TX, 11/15/2015 - Modeling grain boundary energy anisotropy with applications to morphology and computational microstructural evolution
Seminar,Colorado School of Mines Mechanical Engineering Seminar, Golden, CO, 11/1/2015 - A new model for anisotropic grain boundaries: a geometric and variational approach for predicting energy and morphology
Contributed talk,SES 2015, College Station, TX, 10/1/2015 - Temperature-dependent modeling of grain boundary energy anisotropy and applications to interface morphology
Invited Talk,American Physical Society - Four Corners Annual Meeting, Phoenix, AZ, 10/1/2015 - A fast, general, predictive model for grain boundary energy anisotropy with applications to morphology and computational microstructural evolution
Seminar,CU Boulder Mechanical Engineering Seminar, Boulder, CO, 10/1/2015 - A variational approach to interfaces: a new method for predicting energy and morphology of grain boundaries
Contributed talk,USNCCM 2015, San Diego, CA, 7/1/2015 - A variational approach to crystalline interfaces: a new method for predicting interface energy and morphology
Seminar,CU Boulder Mechanical Engineering Seminar, Boulder, CO, 10/1/2014 - A relaxation method for predictively determining interface morphology
Contributed talk,SES 2014, Lafeyette, IN, 10/1/2014 - A general geometric model for interface energy
Contributed talk,United States National Congress on Theoretical and Applied Mechanics, East Lansing, MI, 6/1/2014 - An analytical model for predicting energy and morphology of arbitrary crystal interfaces
Seminar,New Mexico Tech Mechanical Engineering Seminar, Socorro, NM, 9/24/2013 - Modeling of thermally-activated dislocation cross-slip
Contributed talk,Los Alamos National Laboratory Student Seminar, Los Alamos, NM, 8/8/2012