·Finite element analysis was performed by means of a quasi static large displacement analysis using ABAQUS/Explicit The analysis was performed for a single unit cell with periodic boundary constraints applied to nodes on the relevant edges Unit cells were modelled using the same material and dimensions as the experimental prototypes
·Quasi static crushing behavior of novel re entrant circular auxetic Composites Part B Engineering IF Pub Date 2020 05 15 DOI /
·The quasi‐static crushing responses of SRHs including deformation mechanism crushing stress specific energy absorption SEA and Poisson s ratio are studied based on the finite‐element
Explored the effect of geometric parameters on their quasi static crushing behavior From this unit cell study two distinct crushing modes were identified When the total twist rate of the tube is relatively large each unit cell has a distinct cascading collapse which elevates the average compressive force Conversely when the twist rate
·The crushing force and energy absorption displacement curves of three types of TPMS filled tubes obtained from the quasi static axial crushing tests and FE simulations were depicted in Fig 11 The shape of the crushing force displacement curve for each type of TPMS filled tubes exhibited similar characteristics to TPMS lattices including
·The axial collapse mechanical behavior and energy absorption characteristics of circular foam filled tubes mimicking the bamboo characteristics under quasi static and low velocity impact loads were investigated via experiments and numerical simulations in this study The crushing deformation process load displacement responses the strain field and
·It was found that the crushing stress the energy absorption characteristic and the auxeticity the NPR value of the REC honeycomb can be tailored by adjusting the geometrical parameters of its unit cell to trigger specific deformation mechanisms in both
·To derive the theoretical crushing strength of the REC honeycomb subject to the quasi static load the plateau stress an ideal profile of one representative unit was established for theoretical analysis see Fig 8 e and f according to the collapse processes of typical cell extracted from the FE result Fig 6 a in Section as
·Furthermore the influences of relative density ρ ¯ density gradient unit cell height and multi morphology hybrid design of TPMS lattice fillers on the energy absorption capacities of TPMS filled tubes were systematically studied using the validated FE models Quasi static axial crushing tests were carried out on ST TPMS lattice and
·According to Mr Shankarnarayan Vice President Operations Taurian Engineering "rather than hauling blasted rock from the face to a fixed crushing and screening plant a long journey in many quarries the use of mobile units means the primary crushing stage can be carried out next to the phase itself Tracked machines can be moved in close when
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