Generalized Coupled Transient Thermoelastic Plane Problems by Laplace Transform/Finite Element Method

[+] Author and Article Information
Tei-Chen Chen, Cheng-I Weng

Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan, R.O.C.

J. Appl. Mech 55(2), 377-382 (Jun 01, 1988) (6 pages) doi:10.1115/1.3173686 History: Received September 04, 1987; Revised November 24, 1987; Online July 21, 2009


A general finite-element model is proposed to deal with dynamic theromelastic problems especially with longer transient period. The method consists of formulating and solving the problem in the Laplace transform domain by the Finite Element Method (FEM) and then numerically inverting the transformed solution to obtain the time-domain response. Therefore, the transient solutions at any time could be evaluated directly. A number of examples are presented which demonstrate the accuracy, efficiency, and versatility of the proposed method, and show the effects of relaxation times, inertia, and thermoelastic coupling terms.

Copyright © 1988 by ASME
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