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The investigation of low-cycle fatigue behaviour of lotus-type porous material is presented in this\udpaper. Porous materials exhibit some unique features which are useful for a number of various applications.\udThis paper evaluates a numerical approach for determining of damage initiation and evolution of lotus-type\udporous material with computational simulations, where the considered computational models have different\udpore topology patterns. The low-cycle fatigue analysis was performed by using a damage evolution law. The\uddamage state was calculated and updated based on the inelastic hysteresis energy for stabilized cycle.\udDegradation of the elastic stifness was modeled using scalar damage variable. In order to examine crack\udpropagation path finite elements with severe damage were deleted and removed from the mesh during\udsimulation. The direct cyclic analysis capability in Abaqus/Standard was used for low-cycle fatigue analysis to\udobtain the stabilized response of a model subjected to the periodic loading. The computational results show a\udqualitative understanding of pores topology influence on low-cycle fatigue under transversal loading conditions\udin relation to pore orientation

Damage and failure modeling of lotus-type porous material subjected to low-cycle fatigue