Human skull

Human skull is a sandwich structure, made up of two outer faces of dense cortical bone, separated by a low density, foam-like layer of trabecular bone. The thickness of each shell of cortical bone, t, is 1.5mm. The thickness of the core of trabecular bone, c, is 8mm. The relative density, ??/?s , of the trabecular bone is 0.2. The Young’s modulus of the solid bone is . Calculate the contribution of the core about its own neutral axis to the flexural rigidity,(EI)eq per unit width of the skull…

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