Criteria for Analysis-Test Correlation of Structural Dynamic Systems

[+] Author and Article Information
J. C. Chen, B. K. Wada

Jet Propulsion Laboratory, Structures and Dynamics Engineering Group, Pasadena, Calif.

J. Appl. Mech 42(2), 471-477 (Jun 01, 1975) (7 pages) doi:10.1115/1.3423601 History: Received August 01, 1974; Revised November 01, 1974; Online July 12, 2010


A rational criterion for structural dynamic analysis-test correlation has been established by using a matrix perturbation technique. This criterion can be used for the verification of an analytical model by the test results. Also, the same technique can be applied to update the analytical results by using the test results without repeating the entire analytical procedure. A sample problem has been used to demonstrate this technique. Very satisfactory results are obtained with only the first-order perturbation solution included for transient loading. For periodic loading, higher-order perturbation solutions are needed to achieve the same accuracy.

Copyright © 1975 by ASME
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