Global existence and minimal decay regularity for the Timoshenko system: The case of non-equal wave speeds
Global existence and minimal decay regularity for the Timoshenko system: The case of non-equal wave speeds
复制标题
Timoshenko 系统的全局存在性和最小衰减规律:不等波速的情况
DOI:
10.1016/j.jde.2015.06.041
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发表时间:
2015-03
影响因子:
2.4
通讯作者:
Kawashima Shuichi
中科院分区:
文献类型:
--
作者:
Xu Jiang;Mori Naofumi;Kawashima Shuichi
As a continued work of [18], we are concerned with the Timoshenko system in the case of non-equal wave speeds, which admits the dissipative structure of regularity-loss. Firstly, with the modification of a priori estimates in [18], we construct global solutions to the Timoshenko system pertaining to data in the Besov space with the regularity s= 3/2. Owing to the weaker dissipative mechanism, extra higher regularity than that for the global-in-time existence is usually imposed to obtain the optimal decay rates of classical solutions, so it is almost impossible to obtain the optimal decay rates in the critical space. To overcome the outstanding difficulty, we develop a new frequency-localization time-decay inequality, which captures the information related to the integrability at the high-frequency part. Furthermore, by the energy approach in terms of high-frequency and low-frequency decomposition, we show the optimal decay rate for Timoshenko system in critical Besov spaces, which improves previous works greatly.
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影响因子:
2.3
作者:
Xu Jiang;Mori Naofumi;Kawashima Shuichi
通讯作者:
Kawashima Shuichi
DOI:
10.1016/s0022-247x(02)00436-5
发表时间:
2002-12
影响因子:
1.3
作者:
J. Rivera;R. Racke
通讯作者:
J. Rivera;R. Racke
DOI:
10.1142/s0218202511500126
发表时间:
2012-02
影响因子:
3.5
作者:
Yongqing Liu;S. Kawashima
通讯作者:
Yongqing Liu;S. Kawashima
影响因子:
2.5
作者:
Hugo D. Fernández Sare;R. Racke
通讯作者:
Hugo D. Fernández Sare;R. Racke
影响因子:
2.9
作者:
B. Said-Houari;A. Kasimov
通讯作者:
B. Said-Houari;A. Kasimov