A Simplified Technique for Prediction of Collapse Modes in Crash-Impacted Structural Systems

[+] Author and Article Information
K. J. Saczalski

Office of Naval Research, Arlington, Va.

K. C. Park

Lockheed Palo Alto Research Laboratory, Palo Alto, Calif.

J. Eng. Ind 98(3), 902-908 (Aug 01, 1976) (7 pages) doi:10.1115/1.3439050 History: Received May 22, 1975; Online July 15, 2010


A pseudostatistical technique utilizing linear system parameters for the determination of strain energy concentration patterns within shock-impacted structural systems forms the basis for identifying the most probable regions and modes of collapse. The technique provides a simplified design-oriented tool for determining the energy management capabilities and crashworthiness of a given structure without the necessity of numerous, costly, destructive tests. Examples of the technique, as applied to a dynamically loaded beam-column and spatial frame, are given and compared qualitatively with experimental results.

Copyright © 1976 by ASME
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