Abstract
Upper and lower bounds for the torsional stiffness of a prismatic bar in steady creep are derived in a unified manner from the theory of complementary variational principles. The lower bound is known in the literature, but the upper bound appears to be new. The results are illustrated with calculations for a bar with circular cross-section.
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2 articles.
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1. References;Mathematics in Science and Engineering;1981
2. Some Applications of the Maximum Principle in the Problem of Torsional Creep;SIAM Journal on Applied Mathematics;1977-11