Global well-posedness for strongly damped multidimensional generalized Boussinesq equations

Global well-posedness for strongly damped multidimensional generalized Boussinesq equations
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强阻尼多维广义 Boussinesq 方程的全局适定性

DOI:
10.1002/mma.3873
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发表时间:
2016
影响因子:
2.9
通讯作者:
Xu Runzhang
Xu Runzhang
中科院分区:
数学4区
文献类型:
--
作者:
Shen Jihong;Zhang Mingyou;Wang Xingchang;Liu Bowei;Xu Runzhang

文献摘要

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研究了一类强阻尼多维广义Boussinesq方程sutt −Δu−Δutt+Δ2u+Δ2utt−kΔut=Δf(u)的Cauchy问题,其中k为正常数.在一定的假设条件下,利用势阱方法,在不建立局部存在性理论的情况下,证明了无解问题整体弱解的存在性和不存在性。版权所有© 2016约翰威利父子有限公司.
We study the Cauchy problem for a class of strongly damped multidimensional generalized Boussinesq equationsutt−Δu−Δutt+Δ2u+Δ2utt−kΔut=Δf(u), wherekis a positive constant. Under some assumptions and by using potential well method, we prove the existence and nonexistence of global weak solution without solution without establishing the local existence theory. Copyright © 2016 John Wiley & Sons, Ltd.