Convergence of rotational hardening with bounds in clay plasticity

0510886 - ÚT 2021 RIV GB eng J - Článek v odborném periodiku
Dafalias, Yannis F. - Taiebat, M. - Rollo, F. - Amorosi, A.
Convergence of rotational hardening with bounds in clay plasticity.
Geotechnique Letters. Roč. 10, č. 1 (2020), s. 16-19. ISSN 2049-825X. E-ISSN 2045-2543
Grant CEP: GA MŠMT(CZ) EF15_003/0000493
Institucionální podpora: RVO:61388998
Klíčová slova: anisotropy * clays * constitutive relations
Obor OECD: Materials engineering
Impakt faktor: 2.462, rok: 2020
Způsob publikování: Omezený přístup
https://www.icevirtuallibrary.com/doi/10.1680/jgele.19.00012

Convergence of the rotational hardening variable α used in the anisotropic models of clay plasticity, with a constitutively defined attractor/bound αb(η), function of the stress ratio η, under fixed η loading, is analytically investigated. It is analytically shown that depending on various parameters of the rate equation of the evolution of α, such convergence may or may not occur despite the apparent necessity of convergence stemming from the form of the evolution equation of α.
Trvalý link: http://hdl.handle.net/11104/0310380