HIGHER MODAL DYNAMIC PLASTIC BEHAVIOR OF BEAMS LOADED IMPULSIVELY

The higher modal dynamic plastic response of fully clamped beams has been examined using various rigid perfectly plastic theoretical procedures and a numerical elastic-plastic computer code. The theoretical predictions of equation, which retain the influence of geometry changes, and the numerical results agree reasonably well with the corresponding experimental values on strain rate insensitive beams which were subjected to first and second modal initial velocity distributions. However, all the experimental results for the third mode case lie below the various theoretical methods and numerical results, the reason for which is possible due to the neglect of transverse shear effects.

• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Ocean Engineering, 77 Massachusetts Avenue
  Cambridge, MA  United States  02139
• Authors:
  • JONES, N
  • Guedes Soares, CAP
• Publication Date: 1976-10

Media Info

• Pagination: 48 p.

Subject/Index Terms

• TRT Terms: Analysis; Dynamic loads; Elastoplasticity; Impulses (Mechanics); Information processing; Loads; Structural analysis
• Uncontrolled Terms: Computer aided analysis; Dynamic response
• Old TRIS Terms: Impulsive loading
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00149602
• Record Type: Publication
• Source Agency: Massachusetts Institute of Technology
• Report/Paper Numbers: No. 76-5 Intrm Rpt.
• Contract Numbers: N00014-76-C-0195
• Files: TRIS
• Created Date: Apr 13 1977 12:00AM