TOPOLOGICAL STRUCTURES OF VORTEX AND HELICITY ANALYSIS

(整期优先)网络出版时间:1998-03-13
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Inthispaper,wediscussthetopologicalstructuresofthevortexfilamentsandvortextubeswithanexactsolutionofastraightspiralvortextube.Wefindthattherearesomeconfusionsaboutthecalculationofthehelicitiesofaknottedvortexfilamentandsomelinkedvortexfilamentsbyusingdifferentmethods.Weexplainhowtounifythesemethodsandgivetherightresults.