3D DEM modeling of biocemented sand with fines as cementing agents

H Wu, W Wu, W Liang, F Dai, H Liu… - International Journal for …, 2023 - Wiley Online Library
Microbially induced calcium carbonate precipitation (MICP) has attracted much attention as
a promising green technique for soil improvement. Despite the significance of precipitation …

A mortar segment-to-segment frictional contact approach in material point method

W Liang, H Fang, ZY Yin, J Zhao - Computer Methods in Applied Mechanics …, 2024 - Elsevier
Handling contact problems in the Material Point Method (MPM) has long been a challenge.
Traditional grid-based contact approaches often face issues with mesh dependency, while …

A semi-implicit material point method for coupled thermo-hydro-mechanical simulation of saturated porous media in large deformation

J Yu, J Zhao, W Liang, S Zhao - Computer Methods in Applied Mechanics …, 2024 - Elsevier
The coupled thermo-hydro-mechanical (THM) response of liquid-infiltrated porous media
underpins the safe operation and maintenance of key engineering infrastructure …

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 …

Physics-based large-deformation analysis of coseismic landslides: A multiscale 3D SEM-MPM framework with application to the Hongshiyan landslide

K Feng, D Huang, G Wang, F **, Z Chen - Engineering Geology, 2022 - Elsevier
A multiscale framework is developed based on the spectral element method (SEM) and
material point method (MPM) for the large-deformation analysis of coseismic landslides. At a …

A material point-finite element (MPM-FEM) model for simulating three-dimensional soil-structure interactions with the hybrid contact method

Z Lei, B Wu, S Wu, Y Nie, S Cheng, C Zhang - Computers and Geotechnics, 2022 - Elsevier
Large deformation in soils and frictional soil-structure contact are important geotechnical
processes that should be considered when designing protective structures to cushion the …

Critical Comparison of Motion Integration Strategies and Discretization Choices in the Material Point Method

S Duverger, J Duriez, P Philippe, S Bonelli - Archives of Computational …, 2024 - Springer
To simulate large, history-dependent material displacements, the Material Point Method
(MPM) solves for the kinematics of Lagrangian material points being embedded with …

Scalable three‐dimensional hybrid continuum‐discrete multiscale modeling of granular media

W Liang, H Wu, S Zhao, W Zhou… - International Journal for …, 2022 - Wiley Online Library
This study presents a scalable three‐dimensional (3D) multiscale framework for continuum‐
discrete modeling of granular materials. The proposed framework features rigorous coupling …

Multiscale, multiphysics modeling of saturated granular materials in large deformation

W Liang, J Zhao, H Wu, K Soga - Computer Methods in Applied Mechanics …, 2023 - Elsevier
We propose a multiscale, multiphysics approach by coupling two-phase material point
method (MPM) with discrete element method (DEM)(MPM-DEM) to simulate the hydro …

Micromechanical analysis of suction pile-granular soil interaction under inclined pulling load: Effect of pulling angle

Y Peng, ZY Yin - Ocean Engineering, 2023 - Elsevier
The micro-mechanism of interaction between the suction pile and granular soil under the
inclined pulling load of mooring lines remains unclear. This study investigated suction pile …