Keo has conducted research in energetic materials (EM), material mesoscale effects, and fragmentation modeling at LLNL for over 17 years. He currently leads EM modeling and experimental validation efforts for the Joint DoD-DOE Munitions and the DOE Counter-Terrorism Programs. This work helps ensure the safety and surety of US weapon systems, as well as how to assess and reduce the threat posed by improvised weapons. Under his leadership, his team has developed advanced EM models in LLNL's multi-physics hydrocode ALE3D: HERMES (High Explosive Reaction Mechanical Stimulus) model to assess non-shock ignition, deflagration, and DDT (deflagration-to-detonation transition); Mesoscale modeling to understand structure-property relationships in shock initiation, deconsolidative burning, and fragmentation; Multi-Phase Convective Burn Model for thermal explosion violence and DDT; Coupled fluid-thermal-chemical cookoff model for low melting point materials; Generalized detonation model for improvised weapon assessments over a wide range of military, commercial, and homemade explosives. He has previously supported hypervelocity impact debris modeling in DYNA3D for the Missile Defense Agency and for a Strategic Initiative in Space Situational Awareness. He is the recipient of the NNSA Defense Programs Award For Outstanding Support of DoD-DOE Joint Munitions Program and Global Security Directorate Award for his work in MDA Hypervelocity Impact Debris Modeling. Keo enjoys working at LLNL where national security intersects S&T.
Springer, H. K., Glascoe, E. A., Reaugh, J. E., Kercher, J. R., and Maienschein, J. L., 2011, Mesoscale modeling of deflagration-induced deconsolidation in polymer-bonded explosives:
Glascoe, E. A., Springer, H. K., Tringe, J. W., and Maienschein, J. L., 2011, A comparison of deflagration rates, at elevated pressures and temperatures, with thermal explosion results: