Global existence of solutions to the Proudman-Johnson equation

Global existence of solutions to the Proudman-Johnson equation
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Proudman-Johnson 方程解的全局存在性

DOI:
10.3792/pjaa.76.149
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发表时间:
2000
期刊:
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影响因子:
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通讯作者:
H. Okamoto
H. Okamoto
中科院分区:
--
文献类型:
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作者:
Xinfu Chen;H. Okamoto

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证明了方程fxxt − vfxxxx + ffxxx − fxfxx = 0,x ∈(0,1),t > 0在边界x = 0上,当(i)周期边界条件,或(ii)Dirichlet边界条件f = fx = 0或(iii)Neumann边界条件f = fxx = 0时,对于正的粘性常数ν,不存在爆破解,1.此外,我们表明,每一个解决方案衰减到平凡的稳定状态,因为t去无穷大。
: We show that there is no blow-up solutions, for positive viscosity constant ν , to the equation f xxt − νf xxxx + ff xxx − f x f xx = 0, x ∈ (0 , 1), t > 0 with (i) periodic boundary condition, or (ii) Dirichlet boundary condition f = f x = 0 or (iii) Neumann boundary condition f = f xx = 0 on the boundary x = 0 , 1. Furthermore we show that every solution decays to the trivial steady state as t goes to infinity.