References(10) Cited-By(6) The variational principles for creeping flow of non-Newtonian fluids are utilized with considerable success when the common value of the functionals in the actual state is connected with that of an important unknown. Two lines are examined. The one is to extend the results given by Hill for a Newtonian fluid to those for a non-Newtonian fluid, and the other is to extend the idea used by Haddow for visco-plastic torsion of a prismatic bar to the general case.
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