Impact Simulation of Extreme Wind Generated Missiles on Radioactive Waste Storage Facilities
The structural design of temporary storage facilities for radioactive waste generally requires the fulfillment of highly severe performance criteria if compared to conventional buildings. This work focuses on the study of the behavior of a steel door subject to the impact of extreme wind generated missiles, which is one of the most demanding external events to account for. A quasi-rigid small impacting object, with limited mass and high translational velocity, and a massive object with smaller velocity are considered. Contact is modeled both by imposing the non-penetration constraint in average terms, and by approximating the distribution of contact pressure over the impact area. Moreover, the nonlinear material behavior modeling allows one to account for the energy dissipated by the structure.
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