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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