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https://open.uns.ac.rs/handle/123456789/12997
Title: | A variational principle for the two-dimensional boundary-layer flow of non-newtonian power-law fluids | Authors: | Djukic D. Vujanovic B. |
Issue Date: | 1-Jan-1975 | Journal: | Rheologica Acta | Abstract: | This paper is devoted to the theoretical analysis of steady and unsteady boundary layer problems for non-Newtonian power-law fluid flow using a new variational principle of Hamilton's type. The standard method of variational calculus in the form of partial integration is a basic tool for obtaining approximative solutions. The main characteristic of the variational principle developed here is that all basic rules of variational calculus are preserved. The results are found to be in good agreement with those obtained by other authors. Several examples of practical importance, such as steady flow around a flat plate, a wedge and a circular cylinder as well as impulsive motion of a flat plate and a circular cylinder are considered in detail. © 1975 Dr. Dietrich Steinkopff Verlag. | URI: | https://open.uns.ac.rs/handle/123456789/12997 | ISSN: | 00354511 | DOI: | 10.1007/BF01515888 |
Appears in Collections: | FTN Publikacije/Publications |
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