The Lumped Parameter Method for Elastic Impact Problems

Transverse impact problems have recently been solved by several different methods including Timoshenko’s integral equation method, the energy method, and the finite element method. This paper presents a lumped parameter method (LMP) for impact analysis, which is attractive for the solutions of impac...

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Bibliographic Details
Published in:Journal of applied mechanics 1983-12, Vol.50 (4A), p.823-827
Main Authors: Lee, Y, Hamilton, J. F, Sullivan, J. W
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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Summary:Transverse impact problems have recently been solved by several different methods including Timoshenko’s integral equation method, the energy method, and the finite element method. This paper presents a lumped parameter method (LMP) for impact analysis, which is attractive for the solutions of impact of complex bodies. The advantages are in its simplification of mathematical formulation, computational efficiency, and improved understanding of the coupling effect of excited modes on the occurrence of multiple impacts. Experimentally obtained information of the dynamic characteristics of these impacting bodies permit easy extension to nonsimple body shapes.
ISSN:0021-8936
1528-9036
DOI:10.1115/1.3167152