Dimension reduction for compressible viscous fluids
Peter Bella, Eduard Feireisl, and Antonín Novotný
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Submission date: 17. May. 2013
published in: Acta applicandae mathematicae, 134 (2014) 1, p. 111-121
DOI number (of the published article): 10.1007/s10440-014-9872-5
Keywords and phrases: Compressible Navier-Stokes system, dimension reduction, thin rod
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We consider the barotropic Navier-Stokes system describing the motion of a compressible viscous fluid confined to a cavity shaped as a thin rod Ωϵ = ϵQ× (0,1), Q ⊂ ℝ2. We show that the weak solutions in the 3D domain converge to (strong) solutions of the limit 1D Navier-Stokes system as ϵ → 0.