A multi-axial bounding surface py model with application in analyzing pile responses under multi-directional lateral cycling

Y Hong, M Yao, L Wang - Computers and Geotechnics, 2023 - Elsevier
Multi-directional cyclic loads, as often experienced by piles supporting offshore wind
turbines (OWTs), could reduce global soil-pile stiffness, and jeopardize the serviceability of …

Effect of fabric anisotropy on the cyclic liquefaction of sands: Insight from DEM simulations

A Zhang, M Jiang, D Wang - Computers and Geotechnics, 2023 - Elsevier
To interpret the effects of fabric anisotropy on the cyclic liquefaction of sands, undrained
cyclic triaxial tests on the vertical and horizontal specimens were simulated using the …

Hypoplastic modeling of anisotropic sand behavior accounting for fabric evolution under monotonic and cyclic loading

D Liao, ZX Yang - Acta Geotechnica, 2021 - Springer
A unified hypoplastic model is formulated by incorporating the anisotropic critical state
theory to describe the fabric effect in sand under both monotonic and cyclic loading …

Modelling the cyclic ratcheting of sands through memory-enhanced bounding surface plasticity

HY Liu, JA Abell, A Diambra, F Pisanò - Géotechnique, 2019 - icevirtuallibrary.com
The modelling and simulation of cyclic sand ratcheting is tackled by means of a plasticity
model formulated within the well-known critical state, bounding surface SANISAND …

General failure envelope of eccentrically and obliquely loaded strip footings resting on an inherently anisotropic granular medium

H Fathipour, M Payan, RJ Chenari, B Fatahi - Computers and Geotechnics, 2022 - Elsevier
Soil is a cross anisotropic particulate medium with different strengths in various directions;
this is primarily due to its geological deposition process and the very fact that particles …

Hypoplastic modeling of inherent anisotropy in normally and overconsolidated clays

YQ He, HJ Liao, W Wu, S Wang - Acta Geotechnica, 2023 - Springer
Inherent anisotropy is often observed in natural clays. This paper presents a hypoplastic
constitutive model to describe the inherent anisotropy of normally and overconsolidated …

SANISAND-F: Sand constitutive model with evolving fabric anisotropy

AL Petalas, YF Dafalias, AG Papadimitriou - International Journal of Solids …, 2020 - Elsevier
In order to incorporate the very important role of evolving fabric anisotropy on the
mechanical response of sand, a constitutive model is developed within the frameworks of …

Hypoplastic model with fabric change effect and semifluidized state for post‐liquefaction cyclic behavior of sand

D Liao, Z Yang, S Wang, W Wu - International Journal for …, 2022 - Wiley Online Library
This paper presented the formulation of a novel hypoplastic model for sand considering both
the cyclic mobility and large accumulative shear deformation in the post‐liquefaction stage …

Hypoplastic constitutive model of inherently anisotropic sand

GW Fan, XF Li - Computers and Geotechnics, 2024 - Elsevier
The modeling of anisotropic sand has always been a challenging and prominent issue in
geotechnical constitutive research. This paper presents a hypoplastic constitutive model for …

Microscale descriptors for particle-void distribution and jamming transition in pre-and post-liquefaction of granular soils

J Wei, D Huang, G Wang - Journal of Engineering Mechanics, 2018 - ascelibrary.org
Micromechanical modeling provides significant insight into the fundamental mechanism of
soil liquefaction. In this study, a series of undrained cyclic simple shear simulations were …