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Long time computation of two-dimensional vortex sheet by point vortex method

Title
Long time computation of two-dimensional vortex sheet by point vortex method
Authors
Kim S.-C.Lee J.-Y.Sohn S.-I.
Ewha Authors
이준엽
SCOPUS Author ID
이준엽scopus
Issue Date
2003
Journal Title
Journal of the Physical Society of Japan
ISSN
0031-9015JCR Link
Citation
vol. 72, no. 8, pp. 1968 - 1976
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
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. ©2003 The Physical Society of Japan.
DOI
10.1143/JPSJ.72.1968
Appears in Collections:
자연과학대학 > 수학전공 > Journal papers
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