Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-02-13
Physics
High Energy Physics
High Energy Physics - Theory
30 pages, no figures; to appear-March PRE
Scientific paper
10.1103/PhysRevE.51.2059
We consider solutions to the complex Trkalian equation,~$ \vec{\nabla} \times \vc = \vc ,$ where~$\vc$ is a 3 component vector function with each component in the complex field, and may be expressed in the form~$ \vc = e^{ig} \vec{\nabla} F, $ with~$g$ real and~$F$ complex. We find, there are precisely two classes of solutions; one where~$g$ is a Cartesian variable and one where~$g$ is the spherical radial coordinate. We consider these flows to be the simplest of all exact 3-d solutions to the Euler's equation for the ideal incompressible fluid. The novel approach we use in solving for these classes of solutions to these 3-dimensional vector pdes involves differential geometric techniques: one may employ the method to generate solutions to other classes of vector pdes.
Baldwin P. R.
Townsend G. M.
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