ANALYTICAL TECHNIQUE FOR PREDICTING CRASH RESPONSE OF CAR BODY STRUCTURAL COMPONENTS AND ITS APPLICATION

As automobile safety is one of the most important factors in designing car body structures, estimating the crash response of structures is essential in planning and designing. In this paper, we present such an analytical technique, capable of predicting the crash responses, force-deflection curve, and deformation shape of structural components, up to a 200 or 300mm large deformation, with reasonable CPU time and sufficient accuracy. In the present method a finite difference formulation is used to solve motion equations. It takes the local deformation of the cross sections due to buckling into account. And we explain these theoretical issues and present a comparison between analytical results and experimental data. The present method can be used with the "lumped-mass method" to predict the automotive collision response, i.e., total deformation, and cabin deformations of automobiles. This is shown by examples.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/01487191
• Supplemental Notes:
  • International Congress and Exposition, Detroit, Michigan, February 27-March 2, 1984.
• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Nakamura, K
  • Wakasa, Y
• Publication Date: 1984

Media Info

• Features: Figures; References;
• Pagination: 12 p.
• Serial:
  • SAE Technical Paper
  • Publisher: Society of Automotive Engineers (SAE)
  • ISSN: 0148-7191
  • EISSN: 2688-3627
  • Serial URL: http://papers.sae.org/

Subject/Index Terms

• TRT Terms: Analysis; Crashes; Crashworthiness; Deformation; Forecasting; Motor vehicle bodies; Vehicle components
• Old TRIS Terms: Automobile bodies
• Subject Areas: Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00394231
• Record Type: Publication
• Source Agency: National Highway Traffic Safety Administration
• Report/Paper Numbers: SAE 840450, HS-037 968
• Files: HSL, USDOT
• Created Date: May 31 1985 12:00AM