The thin vortex filament deforms three-dimensionally in the braid and generates stream-wise vortex structures which incline to the region maximum deformation direction of the flow field.
细涡丝在涡辫区的三维演化形成趋向流场最大拉伸变形方向的流向涡结构。
It is proved that the motion of the filament - like vortex is governed by a law of curvature flow in 3 dimensions.
证明了在3维情形，线状涡漩的运动服从一个曲率流方程。
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