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JOURNALS // Ufimskii Matematicheskii Zhurnal // Archive

Ufimsk. Mat. Zh., 2013 Volume 5, Issue 4, Pages 60–76 (Mi ufa222)

This article is cited in 5 papers

Modified gradient fastest descent method for solving linearized non-stationary Navier-Stokes equations

I. I. Golichev

Institute of Mathematics with Computing Centre, Ufa Science Centre, Russian Academy of Sciences, Ufa, Russia

Abstract: We introduce a regularization of Navier-Stokes equations, whose solution coincides with the solution to the system of Navier-Stokes equations if the latter exists. The regularized nonlinear system is reduced to solving a sequence of linearized systems. To solve the latter system, we employ the gradient method. We construct and justify a modified method of fastest descent, which may be employed under restrictions on the control and an unbounded Lebesgue set.

Keywords: Navier-Stokes equations, gradient method, regularization, apriori estimates.

UDC: 517.9

MSC: 49M20, 35Q30, 93C05

Received: 03.12.2013


 English version:
Ufa Mathematical Journal, 2013, 5:4, 58–74

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