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Author:

Jiu, Quansen (Jiu, Quansen.) | Liu, Jitao (Liu, Jitao.) (Scholars:刘继涛) | Niu, Dongjuan (Niu, Dongjuan.)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, we consider solutions to the incompressible axisymmetric Euler equations without swirl. The main result is to prove the global existence of weak solutions if the initial vorticity w0θ satisfies that w0θr∈L1∩Lp(R3) for some p> 1. It is not required that the initial energy is finite, that is, the initial velocity u belongs to L2(R3) here. We construct the approximate solutions by regularizing the initial data and show that the concentrations of energy do not occur in this case. The key ingredient in the proof lies in establishing the Lloc2+α(R3) estimates of velocity fields for some α> 0 , which is new to the best of our knowledge. © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keyword:

Euler equations Velocity

Author Community:

  • [ 1 ] [Jiu, Quansen]School of Mathematical Sciences, Capital Normal University, Beijing; 100048, China
  • [ 2 ] [Liu, Jitao]College of Mathematics, Faculty of Science, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Niu, Dongjuan]School of Mathematical Sciences, Capital Normal University, Beijing; 100048, China

Reprint Author's Address:

  • 刘继涛

    [liu, jitao]college of mathematics, faculty of science, beijing university of technology, beijing; 100124, china

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Source :

Journal of Nonlinear Science

ISSN: 0938-8974

Year: 2021

Issue: 2

Volume: 31

3 . 0 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

ESI HC Threshold:31

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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