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 …

A semi‐implicit material point method based on fractional‐step method for saturated soil

S Kularathna, W Liang, T Zhao… - … for Numerical and …, 2021 - Wiley Online Library
In this paper, a new formulation of material point method (MPM) to model coupled soil
deformation and pore fluid flow problems is presented within the framework of the theory of …

Treatment of near-incompressibility and volumetric locking in higher order material point methods

RM Telikicherla, G Moutsanidis - Computer Methods in Applied Mechanics …, 2022 - Elsevier
We propose a novel projection method to treat near-incompressibility and volumetric locking
in small-and large-deformation elasticity and plasticity within the context of higher order …

[HTML][HTML] The imposition of nonconforming Neumann boundary condition in the material point method without boundary representation

Y Liang, J Given, K Soga - Computer methods in applied mechanics and …, 2023 - Elsevier
Since its original formulation, the material point method (MPM) has been repeatedly further
developed to become a powerful tool for simulating large deformation problems. However …

[HTML][HTML] Modeling large-deformation features of the Lower San Fernando Dam failure with the Material Point Method

LED Talbot, J Given, EYS Tjung, Y Liang… - Computers and …, 2024 - Elsevier
Abstract The Material Point Method (MPM) is used to model the well-known case study of the
earthquake-induced Lower San Fernando Dam failure. This upstream flow slide, leaving …

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 …

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 …

Bearing capacity and failure of footing on anisotropic soil: A multiscale perspective

W Liang, S Zhao, H Wu, J Zhao - Computers and Geotechnics, 2021 - Elsevier
Fabric anisotropy underpins the mechanical response of granular soils pertaining to a wide
range of practical geotechnical applications. This paper presents a multiscale computational …

[HTML][HTML] Shear band evolution and post-failure simulation by the extended material point method (XMPM) with localization detection and frictional self-contact

Y Liang, B Chandra, K Soga - Computer Methods in Applied Mechanics …, 2022 - Elsevier
An enhanced XMPM formulation is proposed to simulate the evolution of shear bands and
post-failure behaviors with large deformations. In the current study, a localization search …

Wetting induced instabilities in layered slopes: a material point method analysis

V Girardi, A Yerro, P Simonini, F Gabrieli, F Ceccato - Engineering Geology, 2023 - Elsevier
The increase of pore water pressure due to rainfall infiltration or upstream recharge is
among the primary triggers of landslides, and soil layering has a significant effect on the …