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- W2903304873 abstract "Abstract Crumple zones in any transportation structure are important since they are used to absorb kinetic energy during crash events. Consequently, fatalities among passengers in the compartment can be reduced. To enhance the capability of absorbing the crushing energy, the metallic structures can be wrapped with fiber-reinforced composite. Therefore this work numerically presents the role of hybridization fibers with metallic tubes before they are quasistatically compressed to obtain their force versus displacement responses. An explicit ANSYS finite element program is used to model and solve the problems. Carbon/epoxy and e-glass/epoxy composites are wrapped using different fiber orientations and the number of layers around mild steel tubes. Other important parameters used are oblique compression angles and elliptical tube ratios. Then, the hybrid tubes are positioned between two rigid plates. A shell element is used to construct the finite element model where the whole model surfaces are assigned with an “eroding single surface” to identify the contacting surfaces, while an “automatic surface-to-surface” relation is assigned to the surfaces between the tubes and two rigid plates. The “contact tiebrake node only” algorithm is used between composite layers and tubes to prevent interpenetrations. Before this model is further used, it is important to compare it with the existing solution and to see if the present model is in agreement. It was found that when both oblique angles and elliptical ratios were increased, all crashworthiness parameters decreased. However, insignificant variation of specific energy absorption was observed when fiber orientation was varied." @default.
- W2903304873 created "2018-12-11" @default.
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- W2903304873 date "2019-01-01" @default.
- W2903304873 modified "2023-09-23" @default.
- W2903304873 title "Modeling of crushing mechanisms of hybrid metal/fiber composite cylindrical tubes" @default.
- W2903304873 doi "https://doi.org/10.1016/b978-0-08-102289-4.00003-5" @default.
- W2903304873 hasPublicationYear "2019" @default.
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