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Published August 2009 | Published
Book Section - Chapter Open

Shock Induced Detonations in Composite Heterogeneous Energetic Materials


Solid energetic materials are used in a wide variety of applications, including solid rocket motors, munitions, explosives for construction and demolition, automotive airbags, and pyrotechnic fasteners and actuators for space applications. An understanding of their potential for initiation and explosion is vital for their safe storage, handling, and transportation. Because of the rich phenomenology associate with microstructural geometric features, such pack as morphology, the presence of voids, and the type of binder, one-dimensional empirical models will be limited in predicting the shock sensitivity of energetic materials for a wide variety of insults. Therefore, the goal of our research is to develop a multidimensional shock-sensitivity model that accounts for microstructural geometric features. Here, we report a novel shock capturing multi-phase flow solver, which combines the features of a level-set method and a time dependent mesh redistribution technique. Numerical simulations of multi-material inert shock problems and detonation initiation through localized thermal energy deposition are used to demonstrate the method.

Additional Information

© 2009 by the Authors. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. AIAA 2009-5503. This work was supported by the US Department of Energy via the Center for Simulation of Advanced Rockets at the University of Illinois at Urbana-Champaign and by the United States Air Force Office of Scientific Research.

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