Deep-water waves with vorticity: Symmetry and rotational behaviour

被引:11
|
作者
Ehrnstrom, Mats [1 ]
机构
[1] Lund Univ, Ctr Math Sci, S-22100 Lund, Sweden
关键词
symmetry; water waves; vorticity; nonlinear partial differential equation;
D O I
10.3934/dcds.2007.19.483
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We show that for steady, periodic, and rotational gravity deep-water waves, a monotone surface profile between troughs and crests implies symmetry. It is observed that if the vorticity function has a bounded derivative, then it vanishes as one approaches great depths.
引用
收藏
页码:483 / 491
页数:9
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