Abstract
In this work, impact simulations using both meshfree Smooth Particle Hydrodynamics (SPH) and combined FEM/SPH Method were carried out for a sandwich composite panel with carbon fibre fabric/epoxy face skins and polyetherimide (PEI)foam and hybrid (Nomex/PEI foam) core. A numerical model was developed using the dynamic explicit finite element (FE) structure analysis program PAM-CRASH. The carbon fibre/epoxy facings were modelled with layered shell elements, whilst SPH particles replaced solid elements in the core. The efficiency and the advantages of pure meshfree SPH and combined FEM/SPH methods were demonstrated by comparing the core deformation modes and impact force pulses measured in the experiments to predicted structural impact response for a range of impact velocities.
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Aktay, L., Johnson, A.F. (2007). FEM/SPH Coupling Technique for High Velocity Impact Simulations. In: Leitão, V.M.A., Alves, C.J.S., Armando Duarte, C. (eds) Advances in Meshfree Techniques. Computational Methods in Applied Sciences, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6095-3_8
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DOI: https://doi.org/10.1007/978-1-4020-6095-3_8
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-6094-6
Online ISBN: 978-1-4020-6095-3
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