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Fluid dynamics and solid mechanics group, T-3 Research areas: Computational Fluid Dynamics, Climate Modeling, Continuum Mechanics and Materials Modeling Hallmark: methods and models are developed, integrated, and implemented in continuum-scale simulation tools, and brought to bear across a spectrum of scientific problems with real-world applications. ∂ρv ∂t + ∇ • (ρv v) = • • •

The main goal of this project is to develop a computer model that explains and predicts coupled mechanical, thermal and chemical responses of HE under impact and friction insults. The modeling effort is based on the LANL-developed CartaBlanca code, which is implemented with the dual domain material point (DDMP) method to calculate complex and coupled thermal, chemical and mechanical effects among fluids, solids and the transitions between the states. In FY 15, we have implemented the TEPLA material model for metal and performed preliminary can penetration simulation and begun to link with experiment. Currently, we are working on implementing a shock to detonation transition (SDT) model (SURF) and JWL equation of state.

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