Work performed under TARDEC/MSU Simulation Based Reliability and Safety (SimBRS) Work Directive 37 - CTH Analysis Support and Code Enhancement TARDEC identified implementation of ERDC Hybrid Elastic-Plastic Geo-material model in CTH as a priority task Standard model at ERDC for soils (also rocks and concrete) Large library of HEP model fits for different soil types Proven to provide accurate model for buried explosions in soils in Lagrangian codes (EPIC, PRONTO3D, ...
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