APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED Title S&T Campaign: Assessment and Analysis Developing Tools, Techniques, and Methodologies Ballistics SLV Craig Barker, Matthew Schulz (410) 278-0214, (410) 278-9419 [email protected], [email protected] Research Objective • Develop an efficient and accurate methodology– using high-fidelity multi-physics software–to estimate vehicle and occupant vulnerability to buried blast threats. Challenges • Complexity of numerical models required to accurately simulate physical behavior • Stability of numerical algorithms • Quantification of uncertainty and stochastic modeling approaches Future Applications ARL Facilities and Capabilities Available to Support Collaborative Research Complementary Expertise / Facilities / Capabilities Sought in Collaboration • Development of reduced-order meta models from complex computational physics models • Innovative methods for modeling soil and explosive interactions with vehicle structures • Novel finite element formulations and contact algorithms • Automated techniques to develop intricate structural meshes Modular Finite-element Modeling Approach Under-body Blast Methodology (UBM) Development and Validation ATD on crew seating blast effects simulator Lower leg of ATD on drop tower machine Buried High-explosive Effects Blast-like Loading Effects WIAMan ATD High Performance Computing Resources Penetration and Fragmentation Modeling