A versatile framework for high-fidelity computations of high-speed reactive multi-material dynamics

This research presents a cutting-edge software tool designed to simulate interactions between different materials at high speeds, temperatures, and pressures, including chemical reactions, extreme levels of deformation, breakage, and phase change. While the framework's versatility makes it suitable for studying flows across various multi-physics scenarios (where various physical phenomena are coupled together), we present an analysis on a class of high energy-density materials called energetic materials (EMs), such as those used in rocket propulsion, as a candidate for validation and demonstration.

EMs are known for their rapid release of heat energy, a phenomenon called 'detonation.' This can be both beneficial and risky, as controlled explosions are useful in many engineering applications, but accidental detonations pose significant safety challenges. Our study uses high-resolution computer simulations to explore how tiny structures within these materials influence their overall behavior during detonation. By understanding these connections, we aim to identify factors that affect how easily these materials can detonate, helping designers create safer and more efficient materials. This work is part of a larger collaborative project under the AFOSR-MURI grant, with experiments conducted by our colleagues at the University of Illinois, Urbana-Champaign. Various agencies, such as the DoE, the DoD, and national labs are also interested in the deliverables of this project.