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- W2362392816 abstract "Thin-walled metal tubes are structural parts for vehicle security when automotive collisions occur. This paper investigates the energy absorption characteristics of an aluminum alloy LD2 metallic thin-walled tube with different tapers and cell numbers to optimize the design of the tube. Hypermesh and Ls-Dyna soft wares were used to simulate the dynamic loads in axial and deflective directions with Initial Peak Load (IPL) and Specific Energy Absorption (SEA) characterizing the energy absorption characteristics. The results show that the IPLs of the single-, double-, and fourfold-cell conical tubes reduce with increasing taper, with the IPLs of the taper pipe being lower than those of the straight tube and that the SEA increases with increasing taper. Both the IPL and the SEA in oblique impact decrease as the collision angle increases for fourfold-cell conical tube with taper of 0.3. Therefore, a reasonable adjustment of the tube taper and cell number can improve the energy absorption characteristics of thin-walled tubes." @default.
- W2362392816 created "2016-06-24" @default.
- W2362392816 creator A5091563653 @default.
- W2362392816 date "2012-01-01" @default.
- W2362392816 modified "2023-09-25" @default.
- W2362392816 title "Energy absorption characteristics simulation of cone thin-walled metal tube research in the automotive collision" @default.
- W2362392816 hasPublicationYear "2012" @default.
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