Hypervelocity impacts onto the outer structure of spacecraft induce shock waves, which in case of multimaterial structures interact with the material interfaces. This interaction is expected to produce different deformation patterns for laminates compared to the patterns appearing for materials with homogeneous density. In order to exhibit these different features and to show that the Smoothed Particle Hydrodynamics computational method is capable of describing them, a numerical hypervelocity impact experiment is performed for three plates. The first one is a laminate, with discontinuous density and material parameters, the second is a simple homogenized version of the laminate and the last is a monolithic metal plate.
Towards Detailed Material Deformation Patterns in the Hypervelocity Impacts of Laminated Plates With Smoothed Particle Hydrodynamics
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Zisis, I, van der Linden, B, Giannopapa, C, Koren, B, & Dam, J. "Towards Detailed Material Deformation Patterns in the Hypervelocity Impacts of Laminated Plates With Smoothed Particle Hydrodynamics." Proceedings of the ASME 2016 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Vancouver, British Columbia, Canada. July 17–21, 2016. V004T04A005. ASME. https://doi.org/10.1115/PVP2016-63847
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