Some L2(R)-norm and L1(R)-norm decay estimates for Cauchy Timoshenko type systems with a frictional damping or an infinite memory

被引:1
|
作者
Guesmia, Aissa [1 ]
Messaoudi, Salim [2 ]
机构
[1] Univ Lorraine, Inst Elie Cartan Lorraine, UMR 7502, 3 Rue Augustin Fresnel,BP 45112, F-57073 Metz 03, France
[2] Univ Sharjah, Coll Sci, Dept Math, POB 2727, Sharjah, U Arab Emirates
关键词
Timoshenko beam; Frictional damping; Infinite memory; Asymptotic behavior; L2(R)-norm andL1(R)-norm decay; estimates; Fourier analysis; REGULARITY-LOSS TYPE; PROPERTY; EXISTENCE; RATES;
D O I
10.1016/j.jmaa.2023.127385
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we consider two Timoshenko-type systems in the whole line R with a frictional damping or an infinite memory acting on the equation that describes the shear angle displacements. We prove some L2(R)-norm and L1(R)-norm decay estimates of solutions and their higher-order derivatives with respect to the space variable. Thanks to interpolation inequalities, these L2(R)-norm and L1(R)-norm decay estimates lead to similar ones in the Lp(R)-norm, for any p is an element of]1, 2[?]2, +infinity].(c) 2023 Elsevier Inc. All rights reserved.
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页数:26
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