Surge Waves in Stranded Springs

[+] Author and Article Information
A. H. Nayfeh

Mathematical Physics Department, Aerotherm Corp., Mountain View, Calif.

W. S. Saric

Aerophysics Studies Division, Sandia Laboratories, Albuquerque, N. Mex.

D. A. Rodriguez

Ordnance Analysis Section, Philco-Ford Corp., Newport Beach, Calif.

J. Eng. Ind 94(3), 942-948 (Aug 01, 1972) (7 pages) doi:10.1115/1.3428275 History: Received June 11, 1971; Online July 15, 2010


The basic theory of surge wave propagation in stranded wire, helical coil springs, including the effects of damping, has been presented. Solutions for spring forces, coil velocities and displacements, separation times of mass and spring, and the time to stop the impacting mass have been developed for the following cases: (a) mass impacting a preloaded spring, (b) spring launching a mass, (c) expansion of a preloaded spring, and (d) mass impacting an unloaded spring.

Copyright © 1972 by ASME
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