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Asymptotic stability of large solutions with large perturbation to the Navier-Stokes equations

机译:Navier-Stokes方程大扰动的大解的渐近稳定性

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摘要

Consider weak solutions w of the Navier-Stokes equations in Serrin's class w is an element of L-alpha(0, infinity; L-q(Omega)) for 2/alpha + 3/q = 1 with 3 < q less than or equal to infinity, where Omega is a general unbounded domain in R-3. We shall show that although the initial and external disturbances from w are large, every perturbed flow upsilon with the energy inequality converges asymptotically to w as upsilon(t) - w(t)(L2(Omega)) --> 0, del upsilon(t) - del w(t)(L2(Omega)) = O(t(-1/2)) as t --> infinity. (C) 2000 Academic Press. [References: 31]
机译:考虑Serrin类中的Navier-Stokes方程的弱解w对于2 / alpha + 3 / q = 1且3 0, del upsilon(t)-del w(t)(L2Omega)= O(t(-1/2))as t-> infinity。 (C)2000学术出版社。 [参考:31]

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