Slow decay in linear thermoelasticity
Author:
Herbert Koch
Journal:
Quart. Appl. Math. 58 (2000), 601-612
MSC:
Primary 74F05; Secondary 35B35, 35B40, 35Q72, 74H40
DOI:
https://doi.org/10.1090/qam/1788420
MathSciNet review:
MR1788420
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Abstract: Energy estimates show that linearized thermoelasticity defines a contraction semigroup on a Hilbert space. We show that under a geometric condition this contraction is not strict, or, more precisely, the norm of the semigroup is 1 for all $t \ge 0$. Convex domains always satisfy the geometric condition.
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L. Hörmander, The Analysis of Linear Partial Differential Operators 3, Springer-Verlag, New York, 1985
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O. Lopes, D. Henry, and A. Perissinitto, Jr., On the essential spectrum of a semigroup of thermoelasticity, Nonlinear Anal. TMA 21, No. 1, 65–75 (1993)
C. Dafermos, On the existence and asymptotic stability of solutions to the equation of linear thermoelasticity, Arch. Rational Mech. Anal. 29, 241–271 (1968)
D. Henry, Topics in analysis, Publ. Sec. Mat. Univ. Autònoma Barcelona 31, 29–84 (1987)
L. Hörmander, The Analysis of Linear Partial Differential Operators 3, Springer-Verlag, New York, 1985
G. Lebeau and E. Zuazua, Sur la décroissance non uniforme de l’énergie dans le système de la thermoélasticité linéaire, C. R. Acad. Sci., Paris, Ser. I 324, No. 4, 409–415 (1997)
S. Jiang, J. E. Muñoz Rivera, and R. Racke, Asymptotic stability and global existence in thermoelasticity with symmetry, Quart. Appl. Math. 56, 259–275 (1998)
J. E. Muñoz Rivera, Energy decay rates in linear thermoelasticity, Funkcial. Ekvac. 35, 19–30 (1992)
F. Rellich, Darstellung der Eigenwerte von $\Delta u + \lambda u$ durch ein Randintegral, Math. Z. 46, 635–636 (1940)
M. Taylor, Reflection of singularities of solutions to systems of differential equations, Comm. Pure Appl. Math. 28, 475–478 (1975)
M. Taylor, Partial Differential Equations II, Springer-Verlag, New York, 1996
E. Zuazua, Controllability of the linear system of thermoelasticity, J. Math. Pures Appl. 74, 291–315 (1995)
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© Copyright 2000
American Mathematical Society