Journal
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
Volume 24, Issue 3, Pages 249-257Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0955-7997(99)00063-6
Keywords
thermal and mechanical shock; coupled thermoelasticity; two-dimensional finite domain
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A boundary element method based on the Laplace-transform technique is developed for transient coupled thermoelasticity problems of two-dimensional finite domain. The Laplace-transform method is applied to the time domain and the resulting equations in the transformed field are discretized using the boundary element method. The nodal dimensionless temperature and displacements in the transformed domain are inverted to obtain the actual physical quantities, using the numerical inversion of the Laplace-transform method. The work is concerned with the thermal and mechanical shocks in a finite domain considering classical coupled theory of thermoelasticity. Elastic and thermoelastic wave creation and propagation in a finite domain and their effects on each other are investigated. Numerical implementations are presented and compared with the known data. (C) 2000 Elsevier Science Ltd. All rights reserved.
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