Acta mathematica scientia,Series B ›› 1995, Vol. 15 ›› Issue (1): 103-112.
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Liu Defu
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Abstract: The behavior as t→∞ of solutions of the linear system of elastic equations defined on a non-star-tshaped exterior domains in Rn (n ≥ 3) is discussed.It has showed that the local energy decays with arate of t-1+H (0 ≤ H ≤ 1),nonuniformly with respect to the geometrical properties of the obstacle.and when n is odd the local energy decays exponentially.For the classical elasticwave,when n=3,the behavior of the solution of the nonhomogeneous system with a right side term periodical with respect to time t is discussed.
Key words: Elastic Theory, Asymptotic Behavior Local Energy Decay
Liu Defu. BEHAVIOR AS t→∞ OF THE SOLUTIONS OF THE LINEAR SYSTEM OF ELASTIC THEORY ON NON-STAR-SHAPED EXTERIOR DOMAINS[J].Acta mathematica scientia,Series B, 1995, 15(1): 103-112.
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