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On the lifespan of axisymmetric incompressible Euler equations with a small initial swirl

Published: 02 November 2024 Publication History

Abstract

We show the lifespan of a strong solution to the incompressible 3D axially symmetric Euler system in R3 can be arbitrarily large if the initial swirl is small enough. A precise lower bound of the lifespan, depending on the size of ×(v0,θeθ)L, is given. This extends the conclusion of Danchin (Proc Am Math Soc 141:1979–1993, 2012), in which the domain must be distant from the axis of symmetry. This may help us to have a better understanding of the nonlinear framework and the blowup mechanism inherent in the 3D axisymmetric Euler equations.

References

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Published In

cover image Zeitschrift für Angewandte Mathematik und Physik (ZAMP)
Zeitschrift für Angewandte Mathematik und Physik (ZAMP)  Volume 75, Issue 6
Dec 2024
494 pages

Publisher

Birkhauser Verlag

Switzerland

Publication History

Published: 02 November 2024
Accepted: 11 October 2024
Revision received: 09 October 2024
Received: 30 May 2024

Author Tags

  1. Incompressible Euler equations
  2. Axially symmetric
  3. Small swirl
  4. Lifespan

Author Tags

  1. 35Q35
  2. 76D05

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