Dynamic plastic behaviour of beams.

Author(s)
Jones, N.
Year
Abstract

This paper examines the behaviour of beams when subjected to dynamic loads which produce an inelastic response. The external energy is sufficiently large tocause a visible permanent deformed shape, or damage. The governing equations for beams are developed while the dynamic plastic response of a simply supported beam subjected to a uniformly distributed pressure pulse with a rectangular shaped pressure time history is examined. The influence of an impulsive velocity loading and fully clamped supports are explored. A theoretical analysis is presented for the response of a fully clamped beam which is struck at the mid span by a mass travelling with an initial velocity. This analysis is modified for a cantilever beam which is impacted at the tip. Coparisons are also made with experimental results.

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Publication

Library number
C 2480 (In: C 2479) /24 / IRRD 804685
Source

In: Structural crashworthiness and property damage accidents : proceedings of a seminar held at Monash University on 10-12 August 1987, p. 11-56, 16 ref.

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