Statistical Equilibrium Computations of Coherent Structures in Turbulent Shear Layers

• Published in: SIAM journal on scientific computing Vol. 17; no. 6; pp. 1414 - 1433
• Main Authors: Turkington, Bruce, Whitaker, Nathaniel
• Format: Journal Article
• Language: English
• Published: Philadelphia, PA Society for Industrial and Applied Mathematics 01.11.1996
• Subjects: Algorithms; Applied mathematics; Boundary conditions; Boundary layer and shear turbulence; Classical and quantum physics: mechanics and fields; Classical mechanics of continuous media: general mathematical aspects; Computational methods in fluid dynamics; Entropy; Equilibrium; Exact sciences and technology; Fluid dynamics; Fluid mechanics: general mathematical aspects; Fundamental areas of phenomenology (including applications); Inviscid flows with vorticity; Laminar flows; Numerical analysis; Physics; Probability distribution; Reynolds number; Turbulent flows, convection, and heat transfer; Vortices; Statistical method; Statistical equilibrium; Turbulent shear layer; Optimization method; Coherent structure; Maximum entropy method; Two dimensional turbulence

A numerical method is developed to treat the statistical equilibrium model of coherent structures in two-dimensional turbulence. In this model the vorticity, which fluctuates on a microscopic scale, is described macroscopically by a local probability distribution. A coherent vortex is identified wit...