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Analysis of full-scale tank car shell impact tests

File Language:
English


Details

  • Alternative Title:
    Proceedings of the 2007 ASME Rail Transportation Division Fall Technical Conference
  • Creators:
    Tang, Y.H. ; Yu, H. ; Gordon, J E ; Priante, M. ; Jeong, D.Y. ; Tyrell, D. C. ; Perlman, A.B.
  • Corporate Creators:
    John A. Volpe National Transportation Systems Center (U.S.)
  • Subject/TRT Terms:
  • Publication/ Report Number:
    RTDF2007-46010
  • Resource Type:
    Proceedings
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    American Society of Mechanical Engineers
  • NTL Classification:
    NTL-RAIL TRANSPORTATION-Rail Safety ; NTL-SAFETY AND SECURITY-Rail Safety ; NTL-SAFETY AND SECURITY-Vehicle Design
  • Abstract:
    This paper describes analyses of a railroad tank car ; impacted at its side by a ram car with a rigid punch. This ; generalized collision, referred to as a shell impact, is examined ; using nonlinear finite element analysis (FEA) and threedimensional ; (3-D) collision dynamics modeling. Moreover, the ; analysis results are compared to full-scale test data to validate ; the models. Commercial software packages are used to carry ; out the nonlinear FEA (ABAQUS and LS-DYNA) and the 3-D ; collision dynamics analysis (ADAMS). Model results from the ; two finite element codes are compared to verify the analysis ; methodology. Results from static, nonlinear FEA are compared ; to closed-form solutions based on rigid-plastic collapse for ; additional verification of the analysis. Results from dynamic, ; nonlinear FEA are compared to data obtained from full-scale ; tests to validate the analysis. The collision dynamics model is ; calibrated using test data. While the nonlinear FEA requires ; high computational times, the collision dynamics model ; calculates gross behavior of the colliding cars in times that are ; several orders of magnitude less than the FEA models.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/9904/dot_9904_DS1.pdf
  • File Type:
    Filetype[PDF - 499.49 KB]
  • Collection(s):
    Volpe Center
  • Main Document Checksum:
    urn:sha256:1e46b0beb209cd65cb650d141116162dd2b0f599759f020090dbe9513dd25eda
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