Asymptotic Analysis of the Torsional Vibrations in Reciprocating Machinery

[+] Author and Article Information
H. Ashrafiuon, A. M. Whitman

Department of Mechanical Engineering, Villanova University, Villanova, PA 19085

J. Vib. Acoust 118(3), 485-490 (Jul 01, 1996) (6 pages) doi:10.1115/1.2888210 History: Received December 01, 1994; Revised August 01, 1995; Online February 26, 2008


A class of two degree of freedom reciprocating machines is analyzed and simple asymptotic expressions for both the steady state and transient vibration levels are obtained. The results are compared with those of a standard numerical modeling package, and are found to be in good agreement for parameter values typical of real machines. This happens because real machines are designed so that the vibration levels are small, thereby satisfying the conditions for the validity of the approximation.

Copyright © 1996 by The American Society of Mechanical Engineers
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