Physically Reasonable Solutions to Steady Compressible Navier-Stokes Equations in 2d Exterior Domains with Nonzero Velocity at Infinity |
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Authors: | Patrick Dutto Antonin Novotny |
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Affiliation: | Department of Mathematics, ANLA, University of Toulon and Var, BP 132, F-83957 La Garde, France, FR
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Abstract: | In a previous paper, the present authors studied the asymptotic behaviour of solutions to steady compressible Navier-Stokes equations in barotropic and isothermal regime with sufficiently small external data, in particular, in the whole plane. Here, the same problem is investigated in a two dimensional exterior domain with the prescribed velocity at infinity v¥ 1 0 v_{infty}ne 0 . Similar results as in Dutto and Novotny [DuNo] are found; in particular, it is proved that there exists a unique solution which possesses the similar pointwise decay and the wake structure as the fundamental Oseen tensor. |
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