Variational principles in hydrodynamics of a non-Newtonian fluid |
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Authors: | Shen Min |
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Affiliation: | Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, P. R. China |
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Abstract: | In this paper, the principle of maximum power losses for the incompressible visous fluid proposed by professor Chien Weizang in reference[1] is further extended to the hydrodynamic problem of the non-Newtonian fluid with constive law expressed as . The constraint conditions of variation are eliminated by the method of identified Lagrangian multiplier and a generalized variational principle is established. |
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Keywords: | non-Newtonian fluid variational principle Lagrangian multiplier |
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