Strong solutions of the compressible nematic liquid crystal flow

Strong solutions of the compressible nematic liquid crystal flow
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DOI:
10.1016/j.jde.2011.07.036
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发表时间:
2011-04
期刊:
arXiv: Analysis of PDEs
影响因子:
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通讯作者:
Tao Huang;Changyou Wang;Huanyao Wen
Tao Huang;Changyou Wang;Huanyao Wen
中科院分区:
其他
文献类型:
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作者:
Tao Huang;Changyou Wang;Huanyao Wen

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我们研究了简化Ericksen-Leslie系统的强解,该系统模拟域Ω∧R3中的可压缩向列液晶流。在初始数据ρ0,u0,d0充分正则且满足自然相容条件下,首先证明了一个唯一强解的局部存在性。初始密度函数ρ0可能在开子集上消失(即可能存在初始真空)。然后,我们用[公式:见文]和[公式:见文]的爆破证明了在有限时间内这种局部强解可能分解的判据。
We study strong solutions of the simplified Ericksen–Leslie system modeling compressible nematic liquid crystal flows in a domain Ω⊂R3. We first prove the local existence of a unique strong solution provided that the initial data ρ0,u0,d0are sufficiently regular and satisfy a natural compatibility condition. The initial density function ρ0may vanish on an open subset (i.e., an initial vacuum may exist). We then prove a criterion for possible breakdown of such a local strong solution at finite time in terms of blow up of the quantities [Formula: see text] and [Formula: see text] .