BRANDON RUNNELS, PhD Assistant Professor of Mechanical and ...
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BRANDON RUNNELS,PHD Assistant Professor of Mechanical and Aerospace Engineering University of Colorado Colorado Springs Osborne Center for Science and Engineering A431 1420 Austin Bluffs Pkwy Colorado Springs, Colorado 80198 phone: (719) 255-3430 email: [email protected] web: solids.uccs.edu EDUCATION Ph.D Mechanical Engineering ......................................................................... June, 2015 California Institute of Technology Research advisor: Professor Michael Ortiz M.S. Mechanical Engineering ......................................................................... June, 2012 California Institute of Technology B.S. Mechanical Engineering .......................................................................... May, 2011 New Mexico Institute of Mining and Technology RESEARCH EXPERIENCE Assistant Professor ......................................................................... August 2015 - present Department of Mechanical and Aerospace Engineering University of Colorado, Colorado Springs • Grain boundary anisotropy: capturing the effect of orientation-dependent interface energy on grain boundary strength and microstructural evolution • Potential-dependence of molecular statics predictions of grain boundary energy • High performance computing on heterogeneous architectures, domain-specific programming languages • Continuum mechanics and constitutive modeling of stretchable low-dimensional materials (cables, membranes). Graduate Research Assistant ........................................................ September 2011 - June 2015 Department of Mechanical Engineering California Institute of Technology • Interfaces: new models for computing the free energy of an interface and the temperature-dependent morphology with arbitrary orientation between two crystalline materials • Plasticity: novel methods for generalizing single slip crystal plasticity models to multi-slip systems. • Phase transformation: Improvements on a computational implementation of the lamination method for phase tran- sition by implementing a novel initial-guess optimization method. • Simulation: Computational models (both engineering and first-principles) to inform design of RT/RM turbulence experiments at Omega and NIF, and validate material models. Research Assistant ...................................................................... June 2006 - August 2015 Los Alamos National Laboratory • T-3, Theoretical Division: Continued development of the general relaxed interface energy model for interfaces, with applications towards nanolayered composites manufactured using severe plastic deformation. (Mentor: Dr. Irene Beyerlein) • XCP-5, Computational Physics Division: Development of a model for thermally activated dislocation cross-slip in materials; development of computational methods for testing the model. (Mentor: Dr. Dean Preston) • XCP-2, Computational Physics Division: Computational Physics Student Summer Workshop: Turbulent mixing group. Implementation of the fractional step method for simulation of Rayleigh Taylor mixing. (Mentor: Dr. Malcolm Andrews) • X-4, Applied Physics Division: Massively parallel multiphysics simulations of shape charges. (Mentor: Dr. Mark Carrera) 1
Transcript of BRANDON RUNNELS, PhD Assistant Professor of Mechanical and ...
BRANDON RUNNELS, PHDAssistant Professor of Mechanical and Aerospace EngineeringUniversity of Colorado Colorado SpringsOsborne Center for Science and Engineering A4311420 Austin Bluffs PkwyColorado Springs, Colorado 80198phone: (719) 255-3430email: [email protected]: solids.uccs.edu
EDUCATION
Ph.D Mechanical Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . June, 2015California Institute of TechnologyResearch advisor: Professor Michael Ortiz
M.S. Mechanical Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . June, 2012California Institute of Technology
B.S. Mechanical Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . May, 2011New Mexico Institute of Mining and Technology
RESEARCH EXPERIENCE
Assistant Professor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . August 2015 - presentDepartment of Mechanical and Aerospace EngineeringUniversity of Colorado, Colorado Springs
• Grain boundary anisotropy: capturing the effect of orientation-dependent interface energy on grain boundary strengthand microstructural evolution
• Potential-dependence of molecular statics predictions of grain boundary energy
• High performance computing on heterogeneous architectures, domain-specific programming languages
• Continuum mechanics and constitutive modeling of stretchable low-dimensional materials (cables, membranes).
Graduate Research Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .September 2011 - June 2015Department of Mechanical EngineeringCalifornia Institute of Technology
• Interfaces: new models for computing the free energy of an interface and the temperature-dependent morphologywith arbitrary orientation between two crystalline materials
• Plasticity: novel methods for generalizing single slip crystal plasticity models to multi-slip systems.
• Phase transformation: Improvements on a computational implementation of the lamination method for phase tran-sition by implementing a novel initial-guess optimization method.
• Simulation: Computational models (both engineering and first-principles) to inform design of RT/RM turbulenceexperiments at Omega and NIF, and validate material models.
Research Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .June 2006 - August 2015Los Alamos National Laboratory
• T-3, Theoretical Division: Continued development of the general relaxed interface energy model for interfaces, withapplications towards nanolayered composites manufactured using severe plastic deformation. (Mentor: Dr. IreneBeyerlein)
• XCP-5, Computational Physics Division: Development of a model for thermally activated dislocation cross-slip inmaterials; development of computational methods for testing the model. (Mentor: Dr. Dean Preston)
• XCP-2, Computational Physics Division: Computational Physics Student Summer Workshop: Turbulent mixinggroup. Implementation of the fractional step method for simulation of Rayleigh Taylor mixing. (Mentor: Dr.Malcolm Andrews)
• X-4, Applied Physics Division: Massively parallel multiphysics simulations of shape charges. (Mentor: Dr. MarkCarrera)
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• CCS-2, Continuum Mechanics Group: Code profiling tools for multiphysics code, and GPU adaption of code packages.(Mentor: Dr. Bryan Lally)
TEACHING EXPERIENCE
Assistant Professor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . August 2015 - presentUniversity of Colorado Colorado Springs
• MAE2103: Undergraduate Engineering Mechanics I
• MAE3201: Undergraduate Mechanics of Materials
• MAE4000: Undergraduate Engineering Seminar
• MAE5100: Graduate Continuum Mechanics
• MAE5201: Graduate Solid Mechanics
Graduate Teaching Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . March 2013 - May 2014California Institute of Technology
• AE102: Mechanics of solids and structures (graduate level)
• CS101: High performance computing
Teaching Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . January 2010 - May 2010New Mexico Institute of Mining and Technology
• MATH332: Vector Analysis
AWARDS AND HONORS
• Spring 2014: Outstanding Teaching Assistant Award
• Summer 2014: Seaborg Institute Research Fellowship
SYNERGISTIC ACTIVITIES
• Referee, Scripta Materialia, Journal of Spacecraft and Rockets (AIAA), Computational Materials Science, Journalof Applied Physics, Journal of the Mechanics and Physics of Solids
• Symposium Organizer, Engineering Mechanics Institute (2016), Society of Engineering Science (2016-2017), UnitedStates National Congress on Theoretical and Applied Mechanics (2018)
• Organizer, UCCS Mechanical & Aerospace Engineering Research Seminar Series . . . . . . . . . August 2016 - present
ADVISING
Sabine Zentgraf (PhD 2020, expected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .September 2016-present
Josep Maria Gras Ribot (PhD 2020, expected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . January 2016-present
Faraz Saleem (MS 2018, expected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . September 2016-present
Irene Delgado (MS 2019, expected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .June 2017-present
Monica Ayuso Martinez (BS 2017, expected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .January 2017-present
GRANT AND CONTRACT ACTIVITIES
Computational analysis of the mechanical properties of metal oxides in poly(vinylidene fluoride)/poly(lactic acid) compositesfrom atomistic simulations for additive manufacture of solid propellantFunding Source: Air Force Office of Scientific Research Summer Faculty Fellowship ProgramRole: Principal InvestigatorTime on project: 100%
Computational theoretical, multiscale, and phenomenological modeling of solid & fluid mechanics in extreme environmentsFunding Source: National Science Foundation Extreme Science and Engineering Development Environment (XSEDE)Role: Co-Principal InvestigatorTime on project: n/a (supplemental computational resource allocation grant)
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PUBLICATIONS
B. Runnels, D. Karls, R. Elliott, E. TadmorPotential-dependence of atomistic grain boundary energy calculations using the OpenKIM frameworkIn preparation, 2017
B. RunnelsA projection-based reformulation of the coincident site lattice Σ for arbitrary bicrystals at finitetemperatureActa Crystallographica A - Advances 2017
B. Runnels; I.J. Beyerlein; S. Conti; M. Ortiz;An analytical model of interfacial energy based on a lattice-matching interatomic energyJournal of the Mechanics and Physics of Solids 2016
B. Runnels; I.J. Beyerlein; S. Conti; M. Ortiz;A relaxation method for the energy and morphology of grain boundaries and interfacesJournal of the Mechanics and Physics of Solids 2015
A. Zagrai, W. Reiser, B. Runnels, C. White, A. Light-Marquez, S. Marinsek, A. Murray, S. Taylor,G. Park and C. FarrarActive structural health monitoring during sub-orbital space flightJournal of the Acoustical Society of America 132, 2012
W. Reiser and B. Runnels; C. White; A. Marquez; A. Zagrai; D. Siler; S. Marinsek; A. Murray; S.Taylor; G. Park; C. Farrar; R. SansomDesign, Development, and Assembly of Sub-Orbital Space Flight Structural Health MonitoringExperimentSPIE Proceedings Vol. 8348, 2012
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