By G. E. A. Meier (auth.), G. E. A. Meier, K. R. Sreenivasan, H.-J. Heinemann (eds.)
Prandtl’s recognized lecture with the identify “Über Flüssigkeitsbewegung bei sehr kleiner Reibung” was once provided on August 12, 1904 on the 3rd Internationalen Mathematischen Kongress in Heidelberg, Germany. This lecture invented the word “Boundary Layer” (Grenzschicht). The paper was once written in the course of Prandtl’s first educational place on the collage of Hanover. The reception of the tutorial global to this striking paper was once at the start lukewarm. yet Felix Klein, the recognized mathematician in Göttingen, instantly discovered the significance of Prandtl’s suggestion and provided him an instructional place in Göttingen. There Prandtl turned the founding father of sleek aerodynamics. He was once a professor of utilized mechanics on the Göttingen college from 1904 till his demise on August 15, 1953. In 1925 he grew to become Director of the Kaiser Wilhelm Institute for Fluid Mechanics. He built many additional rules in aerodynamics, resembling circulate separation, base drag and airfoil conception, particularly the legislation of the wall for turbulent boundary layers and the instability of boundary layers en path to turbulence. in the course of the fifty years that Prandtl was once within the Göttingen examine heart, he made vital contributions to gasoline dynamics, specifically supersonic move concept. All experimental suggestions and size thoughts of fluid mechanics attracted his powerful curiosity. Very early he contributed a lot to the advance of wind tunnels and different aerodynamic amenities. He invented the soap-film analogy for the torsion of noncircular fabric sections; even within the fields of meteorology, aeroelasticity, tribology and plasticity his simple principles are nonetheless in use.
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Additional info for IUTAM Symposium on One Hundred Years of Boundary Layer Research: Proceedings of the IUTAM Symposium held at DLR-Göttingen, Germany, August 12-14, 2004
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299 – 328. Oberlack, M. , (Editors) (2002) Theories of turbulence, CISM Courses and Lectures, 442, Springer Wien, New-York. Oberlack, M. , eds. Near-Wall Turbulent flows, 85–94. Elsevier Science Publisher. , Nagib, H. and Hites, M. (2000a). A note on the overlap region in turbulent boundary layers, Phys. Fluids 12(1), 1–4. , Nagib, H. (2000b). Comment on a note on the intermediate region in turbulent boundary layers’ [Phy. Fluids 12, 2159]. Phys. Fluids 12, 2360–2363. Skote, M. (2001). Studies of turbulent boundary layer flow through direct numerical simulation.
Such simulations naturally lead to nearly isotropic grid cells, away from the wall. Very near the wall, an effective LES relies on wall modelling, again requiring anisotropic cells, and so does any DES. The Full Lifespan of the Boundary-Layer and Mixing-Length Concepts 23 Once this global strategy of concurrent grid generation and solution succeeds and spreads, which is in high demand and is likely within a decade, CFD users (and automatic optimisers) will proceed without knowing boundary-layer theory.
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