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An experimental investigation was conducted to determine the failure mechanism of notched-composite laminates subjected to tension, compression and shear. The experimental data were used to assess the applicability of point-failure criteria, i.e., strain invariant, for failure prediction. The assessment was achieved by firstly using the finite element method to determine the stress and strain distribution...
This paper models the flexural behaviour of a composite sandwich structure with an aluminium foam core using the finite element (FE) code LS-DYNA. Two core thicknesses, 5 and 20mm, were investigated. The FE results were compared with results from previous experimental work that measured full-field strain directly from the sample during testing. The deformation and failure behaviour predicted by the...
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