Moment-curvature relations for a pseudoelastic beam |
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Authors: | T Atanacković M Achenbach |
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Institution: | (1) Fakultet Technickih Nauka, Veljka Vlahovica 3, 21000 Novi Sad, Yugoslavia;(2) Hermann Föttinger Institut, Technische Universität, D-1000 Berlin 12 |
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Abstract: | Pseudoelastic bodies have very simple stress-strain diagrams for uniaxial tensile and compressive loading. In particular, yield and recovery occur at fixed stresses. And yet, the moment-curvature diagrams for bending and unbending of a beam are fairly complex, because the stress and strain fields are non-uniform. The paper shows stress profiles within the beam for pure bending and arrives at explicit equations for loading and unloading curves. |
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