理想流体中涡线断裂的数值证据
流体动力学
2008-11-01 v1 混沌动力学
摘要
首次通过数值方法证明了在单点处涡量奇异性的出现,该现象与初始分布的任意对称性无关。在塌缩点附近,涡量最大值的变化紧密遵循 1/(t0-t) 的依赖关系,其中 t0 为塌缩时间。这与将理想不可压缩流体中的塌缩解释为涡线断裂过程相符。
引用
@article{arxiv.physics/0110046,
title = {Numerical evidence of breaking of vortex lines in an ideal fluid},
author = {E. A. Kuznetsov and O. M. Podvigina and V. A. Zheligovsky},
journal= {arXiv preprint arXiv:physics/0110046},
year = {2008}
}
备注
12 pp., 4 figs., LaTeX. Submitted to Proccedings of the IUTAM Symposium on Tubes, Sheets and Singularities in Fluid Dynamics, Zakopane, Poland, 2-7 September 2001