Long Time Computation of Two-Dimensional Vortex Sheet by Point Vortex Method

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概要

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• Two-dimensional vortex sheet suffers an unstable deformation from the Kelvin-Helmholtz instability and a curvature singularity which develops in a finite time. In this paper, long time computations of the two-dimensional vortex sheet are performed by a robust and efficient numerical method with high accuracy. To handle the rapid and non-uniform stretching of the interface, we adopt the adaptive point insertion and redistribution procedures. Computational results show highly refined structures of a complex and chaotic pattern for the vortex sheet up to very long time.

• 社団法人日本物理学会の論文
• 2003-08-15

著者

• Lee J‐y

  Department Of Mathematics Ewha Women's University

• Lee June-yub

  Department Of Mathematics Ewha Women's University

• Sohn Sung-ik

  School Of Information Engineering Tongmyong University Of It

• Kim Sun-Chul

  Department of Mathematics, Chung-Ang University

• Kim Sun-chul

  Department Of Mathematics Chung-ang University

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• Long Time Computation of Two-Dimensional Vortex Sheet by Point Vortex Method
• Long Time Computation of Two-Dimensional Vortex Sheet by Point Vortex Method
• Vortices of large scale appearing in the 2D stationary Navier-Stokes equations at large Reynolds numbers

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