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Energetic Materials Behavior I

ORAL · V04 · ID: 484083

Presentations

  • Effects of microstructure on shock initiation of insensitive explosives

    ORAL

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    Presenters

    • Dana D Dlott

      University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champai

    Authors

    • Dana D Dlott

      University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champai

    • Meysam Akhtar

      University of Illinois at Urbana-Champaign

    • Lawrence Salvati

      University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champai

    • Siva Kumar K Valluri

      University of Illinois at Urbana-Champaign

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  • Multiple time scale simulations of hotspot development due to dielectric breakdown driven by piezo- and flexo-electricity in energetic materials

    ORAL

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    Publication: Shin, J. H., Messer, D. K., Örnek, M., Son, S. F., Zhou, M., "Dielectric breakdown driven by flexoelectric and piezoelectric charge generation as hotspot ignition mechanism in aluminized fluoropolymer films," Journal of Applied Physics (2022, manuscript in preparation)

    Presenters

    • Ju Hwan Shin

      Georgia Institute of Technology

    Authors

    • Ju Hwan Shin

      Georgia Institute of Technology

    • Derek K Messer

      Purdue University

    • Metin Örnek

      Purdue University

    • Steven F Son

      Purdue University

    • Min Zhou

      Georgia Institute of Technology

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  • Shock to Deflagration Transition of RDX: Role of Microstructure Investigated Through Mesoscale Reactive Model.

    ORAL

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    Presenters

    • Brian H Lee

      Purdue University

    Authors

    • Brian H Lee

      Purdue University

    • Brenden W Hamilton

      Purdue University

    • James P Larentzos

      Weapons and Materials Research Directorate, U.S. Army DEVCOM Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005, USA, U.S. Army Research Laboratory, Army research Laboratory, Adelphi, MD, U.S. Army Combat Capabilities Development Command (DEVCOM) Army Research Laboratory, Aberdeen Proving Ground, MD, United States

    • John K Brennan

      Weapons and Materials Research Directorate, U.S. Army DEVCOM Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005, USA, U.S. Army Research Laboratory, U.S. Army Combat Capabilities Development Command (DEVCOM) Army Research Laboratory, Aberdeen Proving Ground, MD, United States

    • Alejandro H Strachan

      Purdue University

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  • Head-to-Head Comparison of Molecular and Continuum Simulations of Shock-Induced Pore Collapse in β-Octahydro-1,3,5,7-Tetranitro-1,3,5,7-Tetrazocine (β-HMX)

    ORAL

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    Publication: P. Das, P. Zhao, D. Perera, T. Sewell, H. S. Udaykumar, Molecular Dynamics-Guided Material Model for the Simulation of Shock-Induced Pore Collapse in β-Octahydro-1,3,5,7-Tetranitro-1,3,5,7-Tetrazocine (β-HMX), J. Appl. Phys. 2021, 130, 085901.<br>Y. T. Nguyen, D. Perera, P. Zhao, T. Sewell, H. S. Udaykumar, Head-to-head comparison of molecular and continuum simulations of shock-induced collapse of an elongated pore in an energetic molecular crystal, Propellants Explos. Pyrotech. 2022, submitted.

    Presenters

    • Puhan Zhao

      University of Missouri

    Authors

    • Puhan Zhao

      University of Missouri

    • Pratik Das

      University of Illinois at Urbana-Champai

    • Yen-Thi t Nguyen

      The University of Iowa, University of Iowa

    • Dilki Perera

      University of Missouri

    • Tommy Sewell

      University of Missouri

    • H.S. Udaykumar

      The University of Iowa, University of Iowa, Department of Mechanical Engineering, The University of Iowa, Department of Mechanical Engineering, The University of Iowa, Iowa City, IA, United States

    View abstract →