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Arch. Rational Mech. Anal. 192 (2009) 375--401
Fine properties of self-similar solutions of the Navier-Stokes equations
Lorenzo Brandolese 1
(2009)

We study the solutions of the nonstationary incompressible Navier--Stokes equations in $\R^d$, $d\ge2$, of self-similar form~$u(x,t)=\frac{1}{\sqrt t}U\bigl(\frac{x}{\sqrt t}\bigr)$, obtained from small and homogeneous initial data~$a(x)$. We construct an explicit asymptotic formula relating the self-similar profile~$U(x)$ of the velocity field to its corresponding initial datum $a(x)$.
1 :  Institut Camille Jordan (ICJ)
CNRS : UMR5208 – Université Claude Bernard - Lyon I – Ecole Centrale de Lyon – Institut National des Sciences Appliquées (INSA) - Lyon
Mathématiques/Equations aux dérivées partielles
asymptotic profiles – asymptotic behavior – far-field – large distance – selfsimilar – incompressible viscous flows – decay estimates – Landau stationary solutions – homogeneous data – Oseen kernel – cancellations
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