Transient Loads Analysis by Dynamic Condensation

[+] Author and Article Information
K. Kubomura

Beloit Manhattan, Clarks Summit, Pa 18411

J. Appl. Mech 52(3), 559-564 (Sep 01, 1985) (6 pages) doi:10.1115/1.3169101 History: Received December 01, 1983; Revised December 01, 1984; Online July 21, 2009


This paper investigates an alternative finite-difference time-integration procedure in structural dynamics. The integral form of the equation of motion, instead of the differential form, is used to develop the finite-difference time-integration method. An expression called dynamic condensation is presented to relate the dynamic response and unknown force at a limited number of degrees of freedom. A stable and accurate method of analysis is derived to determine the transient loads of structural components in a structural system without constructing the system equation of motion.

Copyright © 1985 by ASME
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