Physical Interpretation of Fictitious Nodes Encountered in the Node Method of Vibration Analysis

[+] Author and Article Information
G. C. Best

Fort Worth, Tex.

J. Appl. Mech 29(1), 15-16 (Mar 01, 1962) (2 pages) doi:10.1115/1.3636449 History: Received August 04, 1960; Online September 16, 2011


A method of interpreting apparently meaningless solutions of the system of equations encountered when solving a vibration problem by the node method is presented in this paper. These solutions are associated with fictitious nodes connected to the structure by a device called a structural doublet. An illustrative problem is solved.

Copyright © 1962 by ASME
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