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Pernas-Sánchez, J.; Pedroche, D.A.; Varas, D.; López-Puente, J.; Zaera, R.
International journal of solids and structures, July 2012, 2012-07-00, 20120701, Volume: 49, Issue: 14Journal Article
In this work a constitutive relation for ice at high strain rates and an algorithm for its numerical integration are developed. This model is based on the Drucker–Prager plasticity criteria, which allows a different behavior in tension and in compression. In addition a failure criteria, based on pressure cut-offs, is implemented to describe the ice damage. In order to validate the constitutive model, numerical simulations were compared with experimental results, in which ice cylinders were impacted against a steel plate, allowing the measurement of the contact load. Three different numerical solvers are used in order to analyze its performance to appropriately modeling the ice behavior.
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