Abstract
The work attempts at characterizing the mechanical behavior of polymethyl methacrylate (PMMA) and polycarbonate (PC) in static and dynamic loading conditions, which eventually helps one to optimize the design and safety of aerospace structures. Experimental characterization of polymers was carried out through uniaxial compression and split Hopkinson pressure bar (SHPB) dynamic tests. On the basis of experimental findings, a phenomenological constitutive model has been developed to describe the mechanical behavior of polymers under different loading conditions. The material model was implemented in an explicit finite element (FE) solver to ascertain the dynamic behavior of two aerospace structures under high-velocity impact applications. These simulations help one to analyze the structural behavior under different impact scenarios and provide a comprehensive understanding of the impact event.
Published Version
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