A meshfree large-deformation analysis method for geotechnical engineering based on the RBF field variable mapping technology

J Gong, D Zou, X Kong, D Wang, J Liu, X Yu - Computer Methods in …, 2023 - Elsevier
In this paper, a practical meshfree large deformation method (MFLDM) is proposed for
numerical analysis in geotechnical engineerings, including: soil foundation, slop, dam, etc …

Particle node-based smoothed point interpolation method with stress regularisation for large deformation problems in geomechanics

A Shafee, A Khoshghalb - Computers and Geotechnics, 2022 - Elsevier
In this study, a new numerical scheme is developed for modelling large deformation
problems in geomechanics. The approach is based on employing the node based smoothed …

Numerical investigation on the effect of initial water content on dynamic responses of unsaturated sandy and clayey embankments

Y Xie, W Zhu, Y Xiong, G Ye - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
High water contents and poor compaction during construction have been reported to cause
severe embankment damage during earthquakes. In this paper, a fully coupled soil-water-air …

Liquefaction-induced large deformation method with automatic time-step mapping and interfacial interpolation improvement: Case study of the San Fernando dam

J Gong, D Zou, X Kong, J Liu, K Chen, Y Qu… - Computers and …, 2024 - Elsevier
This study constructed the up equation for saturated soil in the meshfree global weak form
within the arbitrary Lagrangian-Eulerian (ALE) framework to solve the problem of …

A bounding surface viscoplasticity model for time-dependent behavior of soils including primary and tertiary creep

B Shahbodagh, TN Mac, GA Esgandani… - International Journal of …, 2020 - ascelibrary.org
A viscoplastic model is presented for creep and strain rate behavior of soils with particular
reference to capturing drained, undrained, primary, and tertiary creep. The model is …

Centrifuge and numerical modeling of the behavior of homogeneous embankment on liquefiable soil subjected to dynamic excitation

C Saade, Z Li, S Escoffier, L Thorel - Soil Dynamics and Earthquake …, 2023 - Elsevier
Centrifuge and numerical modeling are developed to investigate the behavior of a
homogeneous embankment constructed on a liquefiable sand ground, which was prepared …

Effects of stress histories and drainage conditions on inception of strain localization in unsaturated soils

B Shahbodagh, D Perić, N Khalili - Computers and Geotechnics, 2023 - Elsevier
A diagnostic method to detect the inception of strain localization, which is based on the
singularity of a total acoustic tensor, was developed for variably saturated soils. The effective …

ALE 方法在沉箱码头地震液化分析的应用.

刘顺, 唐小微, 栾一晓 - Engineering Mechanics/Gongcheng …, 2022 - search.ebscohost.com
沉箱码头作为一种常用的结构形式, 在地震荷载作用下由于地基液化可能发生沉降,
倾斜等灾害形式. 在强震作用下, 传统有限元方法可能由于液化大变形导致网格畸变而不能正确 …

Analysis of r-Adaptive coupling adaptive time integration strategy in FEM of seismic liquefaction

K Wang, X Tang, C Song, M Li - Soil Dynamics and Earthquake …, 2024 - Elsevier
In seismic finite element analysis of saturated soils, the challenges primarily reside in
liquefaction and the large deformation of soil induced by strong earthquakes. Traditional …

[HTML][HTML] Constitutive modeling and analysis of geomaterials

F Oka - Soils and Foundations, 2023 - Elsevier
This is a review of the papers written by the author with co-researchers, which have been
published in Soils & Foundations and related publications. The contents of the papers are …