Design Optimization of Response Amplitudes in Viscously Damped Structures

[+] Author and Article Information
D. Watts, J. Starkey

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Vib. Acoust 112(3), 275-280 (Jul 01, 1990) (6 pages) doi:10.1115/1.2930505 History: Received September 01, 1987; Revised February 01, 1989; Online June 17, 2008


An optimization technique is presented which reduces the response of damped linear systems without neglecting the cost of the required design changes. A two-part function represents the design objective as a weighted sum of a function of the response levels at important locations on the structure in critical frequency ranges, and a function of the cost of potential design changes. Numerical examples are included, and experimental verification of the technique’s ability to reduce response at a specified location on a beam is also included. The technique is shown by these examples to be an effective design tool.

Copyright © 1990 by The American Society of Mechanical Engineers
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