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Journal Articles
- Mechanics of incompatible asymmetric grain boundary migration [pdf]B RunnelsarXiv Preprint (2026)
- Predicting void nucleation in microstructure with convolutional neural networks [pdf] [bibtex]A Anantharanga, J Plummer, S Fensin, B Runnels*arXiv Preprint (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*arXiv Preprint (2026)
- A diffuse boundary method for phase boundaries in viscous compressible flow [pdf] [bibtex]E M Boyd, JM Quinlan, B Runnels*arXiv Preprint (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 MeierJournal 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 FensinActa 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 MasonComputational 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 HolmActa 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 RunnelsComputer 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 AlmgrenJournal of Computational Physics (2021)
- Experimental and numerical investigation into mechanical degradation of polymers [bibtex]A Celestine*, V Agrawal, B RunnelsComposites Part B: Engineering (2020)
- Phase field disconnections: A continuum method for disconnection-mediated grain boundary motion [pdf] [bibtex]B Runnels*, V AgrawalScripta 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 BeyerleinMaterialia (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
- A Diffuse Interface Framework for Shock-Driven Vaporization in Compressible Multiphase Systems S Patel, T Tryon, B Runnels, JM QuinlanAIAA 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 QuinlanAIAA SciTech 2026 (2026)
- Phase field modeling of aluminum agglomeration in solid composite propellants M Mehrtens, B RunnelsAIAA 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 McClainAIAA SciTech 2026 (2026)
- A Diffuse Interface Approach to Modeling Acoustic Wave-Droplet Interactions [bibtex]S Patel, J Griffin, E Schmidt, B Runnels, JM QuinlanAIAA SciTech 2024 (2024)
- A Diffuse Interface Model for Viscous Compressible Flow through Eroding Porous Media [bibtex]E Schmidt, M Meier, JM Quinlan, B RunnelsAIAA SciTech 2024 (2024)
- Anisotropy of burn rates in solid composite propellants with phase field modeling [bibtex]M Meier, E Boyd, JM Quinlan, B RunnelsAIAA SciTech 2024 (2024)
- Modeling Optimization of Stencil Computations Via Domain-level Properties [bibtex]B Nesterenko, Q Yi, PH Lin, C Liao, D. Quinlan, B RunnelsPMAM 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 RunnelsAIAA 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 RunnelsAIAA 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 SansomSPIE Conference Proceedings (2012)
Presentations
- 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
