Effects of cutout and impact loading condition on crashworthiness characteristics of conical frusta

AbstractThis study focuses on the axial and oblique low-velocity impact response of thin-walled aluminium conical frusta with circular cutouts at two different locations through experimental and finite element procedures. In this regard, a circular cutout was laterally introduced on 15°, 25°, and 35° semi-apical angled conical frusta at mid-height (0.5 Hc) and three-fourth (0.75 Hc) of axis height. The low-velocity axial and oblique impact loading was performed with the perfect and imperfect (i.e. hole) conical frusta by varying the impact angle from 0° to 20° to the frustum axis and impact velocity from 4?m/s to 8?m/s. The changes in energy absorption (Eabs) and specific energy absorption (SEA) characteristics of perfect and imperfect conical frusta were analysed with the change of semi-apical angle of the frusta, location of the cutout, impact angle and direction of impact. The results show that the crush performance of 35° semi-apical angled perfect conical frustum is found to be better than 15° and 25° semi-apical angled specimens. Further, the SEA capacity of 25° semi-apical angled conical frusta having cutout at 0.75 Hc is found to be better than the SEA capacity of conical frusta having cutout at 0.5 Hc.

• Record URL:
  https://doi.org/10.1080/13588265.2021.1903280
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/13588265
• Supplemental Notes:
  • © 2021 Informa UK Limited, trading as Taylor & Francis Group 2021. Abstract reprinted with permission of Taylor & Francis.
• Authors:
  • Kathiresan, M
• Publication Date: 2022-7

Language

• English

Media Info

• Media Type: Web
• Features: References;
• Pagination: pp 1046-1066
• Serial:
  • International Journal of Crashworthiness
  • Volume: 27
  • Issue Number: 4
  • Publisher: Taylor & Francis
  • ISSN: 1358-8265
  • Serial URL: http://www.tandfonline.com/loi/tcrs20

Subject/Index Terms

• TRT Terms: Cones; Crashworthiness; Energy absorption; Impact loads; Thin walls
• Subject Areas: Design; Highways; Safety and Human Factors;

Filing Info

• Accession Number: 01853045
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 26 2022 1:19PM