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Stability of Constant Solutions to the Navier–Stokes System in

Tom 28 / 2001

Piotr Bogus/law Mucha Applicationes Mathematicae 28 (2001), 301-310 MSC: 35B35, 35Q30, 76D05. DOI: 10.4064/am28-3-6

Streszczenie

The paper examines the initial value problem for the Navier–Stokes system of viscous incompressible fluids in the three-dimensional space. We prove stability of regular solutions which tend to constant flows sufficiently fast. We show that a perturbation of a regular solution is bounded in W^{2,1}_r({\Bbb R}^3\times [k,k+1]) for k\in {\Bbb N}. The result is obtained under the assumption of smallness of the L_2-norm of the perturbing initial data. We do not assume smallness of the W^{2-2/r}_r({\Bbb R}^3)-norm of the perturbing initial data or smallness of the L_r-norm of the perturbing force.

Autorzy

  • Piotr Bogus/law MuchaInstitute of Applied Mathematics and Mechanics
    Warsaw University
    Banacha 2
    02-097 Warszawa, Poland
    e-mail

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