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Why Turbulence Modeling is so Important

	Posted Mon October 08, 2001 @10:42AM
	An article in Scientific American magazine provides an introduction to the simulation of turbulent flows and why the work is essential. The article starts with a brief introduction to CFD and then progresses to the need for, and difficulty of, simulating turbulent flow. While the article does not go into turbulence modeling in-depth, it does provide readers with a basic understanding of the problems involved and the solutions which have been developed. The growing popularity of computational fluid dynamics to study turbulence reflects both its promise, which is at last starting to be realized, and the continued rapid increase in computational power. As supercomputer processing rates approach and surpass a trillion floating-point operations per second over the next few years, fluid dynamicists will begin taking on more complex turbulent flows, of higher Reynolds numbers.

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