Dynamics Simulation of Flexible Frame Structures with Time-Varying Shape and Attitude

[+] Author and Article Information
M. Utsumi

Machine Element Department, Research Institute, Ishikawajima-Harima Heavy Industries Company, Ltd., 3-1-15, Toyosu, Koto-ku, Tokyo, 135-0061, Japan

J. Vib. Acoust 121(2), 244-249 (Apr 01, 1999) (6 pages) doi:10.1115/1.2893971 History: Received September 01, 1998; Revised December 01, 1998; Online February 26, 2008


A new computation scheme is presented for the response analysis of flexible frame structures with time-varying shape and attitude. The governing equations for a continuum are derived in the form of integral equations for the member joint displacements alone. The integral equations can be solved easily by transforming them into ordinary differential equations and introducing additional mass corresponding to the inertial force due to the rigid-body axial translation and rotation of members. The scheme is applied to deploying, extending, and rotating space structures and a three-dimensionally moving link-connected structure.

Copyright © 1999 by The American Society of Mechanical Engineers
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