This research effort attempted to develop an analytical capability to predict the crashworthiness characteristics of composite aircraft. An extensive literature survey of previous crashworthiness research work indicated that the computer code, KRASH, was probably the best suited for modification. The code is a hybrid code and thus requires a great deal of input data that is typically generated by structural tests. In an effort to make this code useful at the preliminary design stage, modifications were investigated which could be incorporated into KRASH so that the crashworthiness of the vehicle could be evaluated without the requirement for structural testing. A finite element method was investigated for inclusion in the code to generate the nonlinear stiffness matrix for the beam elements in KRASH. This is normally an experimentally determined input. Recommendations are presented for the modification of the computer code to accommodate the nonlinear analysis of the vehicle.

  • Corporate Authors:

    Institute for Aviation Research

    The Wichita State University
    Wichita, KS  United States  67208
  • Authors:
    • Horn, W J
    • Christmore, D L
  • Publication Date: 1989-10

Media Info

  • Features: Figures; References;
  • Pagination: 68 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00615051
  • Record Type: Publication
  • Report/Paper Numbers: IAR 89-19
  • Contract Numbers: DTFA 03-86-C-00041
  • Files: TRIS
  • Created Date: Sep 30 1991 12:00AM