Investigation of cell shape effect on the mechanical behaviour of open-cell metal foams

► We focus on cell shape effect on the mechanical behaviours of open-cell metal foams. ► We develop mechanistic models and analytic equations to account for cell shape effect. ► 2-D/3-D finite element models and simulations have been also developed to account for cell shape effect. ► The proposed models have been validated through comparison with experimental data. ► Significant cell shape effect on deformation modes and failure mechanisms of open-cell metal foams has been found.