Abstract:A quasi-static indentation (QSI) test analysis equivalent to the low-velocity impact test and the subsequent compression-after-impact (CAI) test analysis of the carbon fiber reinforced plastics skin-stringer specimen were performed by FEM using interface elements considering the zig-zag cohesive zone model, which models delamination and matrix cracking. Damage propagation analyses were performed by the implicit method considering nonlinearity, such as materials, large deformations, and contact phenomenon. The … Show more
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