The global existence of small solutions to the Oldroyd-B model

Abstract

The Cauchy problem to the Oldroyd-B model is studied. In particular, it is shown that if the smooth solution (u, τ) to this system blows up at a finite time T*, then ∫₀ ^T* ‖▿u(t)‖ _L ^∞dt = ∞. Furthermore, the global existence of smooth solution to this system is given with small initial data.

Keywords

Cauchy problem / Oldroyd-B model / Global existence

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