SC20 Proceedings

The International Conference for High Performance Computing, Networking, Storage, and Analysis

Smoothed Particle Hydrodynamics Modeling of a Jet Penetration Experiment


Authors: Kevin S. Griffin, Karen M. Wang, Eric Brugger, Cyrus Harrison, Thomas Rehagen, and Matthew Larsen (Lawrence Livermore National Laboratory)

Abstract: Studying the effects of a fast-moving copper jet penetrating a high explosive material has become more achievable because of new computational output provided by large-scale, massively parallel 3D Smoothed Particle Hydrodynamics (SPH) calculations. In this exploratory visualization, we demonstrate the capability of using SPH to better capture the jet breakup and fragmentation. When comparing our visualization of the SPH simulation dataset to a jet penetration experiment, we can see a good qualitative match between the SPH calculations and the jet penetration experiment. Furthermore, this visualization provides scientific insight into the jet erosion as it moves through the high explosive material and the post-penetrating jet dispersion. This insight allows our scientists to improve current Arbitrary Lagrangian-Eulerian (ALE) jet disruption models.

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