Departmental Bulletin Paper Cyclic and Tangential Plasticity Effects for the Buckling Behavior of a Thin Wall Pier under Multiaxial and Non-proportional Loading Conditions

Momii, hideto  ,  Tsutsumi, Seiichiro  ,  Fincato, Riccardo

44 ( 1 )  , pp.41 - 47 , 2015-06 , 大阪大学接合科学研究所 , オオサカ ダイガク セツゴウ カガク ケンキュウジョ , Joining and Welding Research Institute, Osaka University
ISSN:03874508
NCID:AA00867058
Description
We have adopted an unconventional elastoplastic model capable of taking into account the generation of the inelastic strain rate not only along the direction normal to the yield surface but also along the tangential one. In this paper the aforementioned model has been studied by applying a series of non-proportional loading paths to a thin wall pier and comparing the results obtained with the ones derived by neglecting the tangential contribution.
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