Divorticity and dihelicity in two-dimensional hydrodynamics

    Authors

    B. K. Shivamoggi; G. J. F. van Heijst;J. J. Rasmussen

    Comments

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    Abbreviated Journal Title

    Phys. Lett. A

    Keywords

    ENSTROPHY CASCADES; INVERSE ENERGY; VORTEX LINES; SOAP FILMS; TURBULENCE; VORTICITY; DYNAMICS; FLOWS; IDEAL; Physics, Multidisciplinary

    Abstract

    A framework is developed based on the concepts of divorticity B (equivalent to del x omega, omega being the vorticity) and dihelicity g (equivalent to v . B) for discussing the theoretical structure underlying two-dimensional (2D) hydrodynamics. This formulation leads to the global and Lagrange invariants that could impose significant constraints on the evolution of divorticity lines in (C) 2D hydrodynamics. 2010 Elsevier B.V. All rights reserved.

    Journal Title

    Physics Letters A

    Volume

    374

    Issue/Number

    23

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    2309

    Last Page

    2311

    WOS Identifier

    WOS:000278192700003

    ISSN

    0375-9601

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