Repozytorium publikacji - Politechnika Gdańska

In this paper, modelling of the superposition of stress-induced and inherent anisotropy of soil small strain stiffness is8presented in the framework of hyperelasticity. A simple hyperelastic model, capable of reproducing variable stress-induced9anisotropy of stiffness, is extended by replacement of the stress invariant with mixed stress–microstructure invariant to10introduce constant inherent cross-anisotropic component. A convenient feature of the new model is low number of material11constants directly related to the parameters commonly used in the literature. The proposed description can be incorporated12as a small strain elastic core in the development of some more sophisticated hyperelastic-plastic models of overconsoli-13dated soils. It can also be used as an independent model in analyses involving small strain problems, such as dynamic14simulations of the elastic wave propagation. Various options and features of the proposed anisotropic hyperelastic model15are investigated. The directional model response is compared with experimental data available in the literature.

Autorzy

• dr hab. inż. Marcin Cudny link otwiera się w nowej karcie ,
• dr inż. Katarzyna Staszewska link otwiera się w nowej karcie