An Improved Method of Dynamic Coupling in Structural Analysis and Its Applications

[+] Author and Article Information
Toyoshiro Inamura

Department of Mechanical Engineering, Kanazawa University, 2-40-20, Kodatsuno, Kanazawa 920, Japan

Hiromasa Suzuki, Toshio Sata

Department of Precision Machinery Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113, Japan

J. Dyn. Sys., Meas., Control 106(1), 82-89 (Mar 01, 1984) (8 pages) doi:10.1115/1.3149669 History: Received May 18, 1982; Online July 21, 2009


An improved method of dynamic coupling is developed for use in an interactive structural analysis system proposed by the authors. The method is used to couple the values of the lowest few modes of the dynamic characteristics of structures at a high speed. Additional techniques are proposed to confine computation to those points necessary for evaluation and to couple the values under the condition that the nodal points to be connected have different coordinates from each other. Some examples of the analyses are illustrated to show the efficiency of the proposed methods.

Copyright © 1984 by ASME
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