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Rapidly decreasing behaviour of solutions in nonlinear 3-D-thermoelasticity

Published online by Cambridge University Press:  17 April 2009

Song Jiang
Affiliation:
Institut für Angewandte Mathematik, Wegelerstrasse 10, D-5300 Bonn 1, West Germany Department of Mathematics, Xi'an Jiaotong University, Xi'an, Shaanxi Province Peoples, Republic of China
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Abstract

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In this paper we study the asymptotic behaviour, as |x| → ∞, of solutions to the initial value problem in nonlinear three-dimensional thermoelasticity in some weighted Sobolev spaces. We show that under some conditions, solutions decrease fast for each t as x tends to infinity. We also consider the possible extension of the method presented in this paper to the initial boundary value problem in exterior domains.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1991

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