A novel stabilized NS-FEM formulation for anisotropic double porosity media

Q Zhang, ZY Wang, ZY Yin, YF Jin - Computer Methods in Applied …, 2022 - Elsevier
Self-consistent extension of linear poroelasticity to overlapping scales of porosity within fluid-
saturated anisotropic materials is developed. The coefficient matrix of poromechanical …

Numerical investigation of the failure mechanisms of soil–rock mixture slopes by material point method

L Zhao, N Qiao, D Huang, S Zuo, Z Zhang - Computers and Geotechnics, 2022 - Elsevier
A new technique for establishing material point method (MPM) models of soil–rock mixture
slopes was proposed to accurately analyze the large-deformation failure mechanisms of soil …

A temporal stable smoothed particle finite element method for large deformation problems in geomechanics

WH Yuan, M Liu, N Guo, BB Dai, W Zhang… - Computers and …, 2023 - Elsevier
In this study, a stabilized smoothed particle finite element method (SPFEM) for modeling
nonlinear, large deformation dynamic problems in geomechanics is presented. The …

Stabilizing nodal integration in dynamic smoothed particle finite element method: a simple and efficient algorithm

WH Yuan, M Liu, BB Dai, Y Wang, A Chan… - Computers and …, 2024 - Elsevier
Abstract The Smoothed Particle Finite Element Method (SPFEM) is a powerful numerical tool
for the modelling of large deformation problems in the field of geomechanics. However, the …

A novel coupled NS‐PFEM with stable nodal integration and polynomial pressure projection for geotechnical problems

ZY Wang, YF Jin, ZY Yin… - International Journal for …, 2022 - Wiley Online Library
The node‐based smoothed particle finite element method (NS‐PFEM) offers high
computational efficiency but is numerically unstable due to possible spurious low‐energy …

RKPM2D: an open-source implementation of nodally integrated reproducing kernel particle method for solving partial differential equations

TH Huang, H Wei, JS Chen, MC Hillman - Computational particle …, 2020 - Springer
We present an open-source software RKPM2D for solving PDEs under the reproducing
kernel particle method (RKPM)-based meshfree computational framework. Compared to …

Simulating the entire rainfall-induced landslide process using the material point method for unsaturated soil with implicit and explicit formulations

Y Yamaguchi, F Makinoshima, Y Oishi - Landslides, 2023 - Springer
Rainfall-induced landslides cause various types of damage, including damage to
infrastructure, leading to devastating economic losses and human casualties. Although …

SPH implementation of a critical state-based hypoplastic model for granular materials in large-deformation problems

C Zhu, W Wu, C Peng, S Wang, X Wei - Computers and Geotechnics, 2024 - Elsevier
In this work, an advanced hypoplastic model incorporating the critical state is integrated into
smoothed particle hydrodynamics (SPH) for numerical investigation of problems with large …

A kd-tree-accelerated hybrid data-driven/model-based approach for poroelasticity problems with multi-fidelity multi-physics data

B Bahmani, WC Sun - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
We present a hybrid model/model-free data-driven approach to solve poroelasticity
problems. Extending the data-driven modeling framework originated from Kirchdoerfer and …

SPH-DEM simulations of saturated granular soils liquefaction incorporating particles of irregular shape

SF Sizkow, U El Shamy - Computers and Geotechnics, 2021 - Elsevier
A coupled smoothed particle hydrodynamics (SPH) and discrete element method (DEM)
scheme is presented herein to investigate liquefaction of saturated granular deposits during …