Do Singular Structures Move with an Inviscid Fluid?

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概要

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• Starting with analysis of a simple case of the inviscid Burgers equation, we raise thequestion of the title as a fundamental characterization of general inviscid fluid mo-tion. In particular, formation of high vorticity-gradient regions in two-dimensionalEuler flow is studied numerically botl? in physical space and in the Lagrangian markerspace. Each singular structure is shown to be fixed in the marker space for some time,even though the strain and the vorticity gradient are not clearly separated in scale.two-dimensional Euler flow, quasi-singularity, Lagrangian property

• 一般社団法人日本物理学会の論文
• 1992-03-15

著者

• Ohkitani Koji

  Research Institute For Mathematical Sciences Kyoto University

関連論文

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• A Class of Simple Blow-Up Solutions with Uniform Vorticity to Three-Dimensional Euler Epuations
• An Identification of Energy Cascade in Turbulence by Orthonormal Wavelet Analysis : General and Mathematical Physics
• Lagrangian Frozen-in Hypothesis for Vortex Stretching
• A Survey on a Class of Exact Solutions of the Navier-Stokes Equations and a Model for Turbulence
• Do Singular Structures Move with an Inviscid Fluid?
• Note on "A Class of Simple Blow-Up Solutions with Uniform Vorticity to Three-Dimensional Euler Equations."

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