Optimal Isolation of a Single-Degree-of-Freedom System With Quadratic-Velocity Damping

[+] Author and Article Information
T. L. Alley

Design Analysis Department, The Aerospace Corporation, El Segundo, Calif. 90245

J. Appl. Mech 48(3), 676-678 (Sep 01, 1981) (3 pages) doi:10.1115/1.3157702 History: Received December 01, 1980; Revised April 01, 1981; Online July 21, 2009


The response of a mass isolated by a linear spring and a quadratic-velocity damper subjected to a step-and-decay velocity input at the base is found in closed form. This solution leads immediately to the optimal isolation system for this input. The parameters of the optimal isolation system are given by a simple formula.

Copyright © 1981 by ASME
Topics: Dampers , Damping , Springs
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