Three-dimensional numerical manifold formulation with continuous nodal gradients for dynamics of elasto-plastic porous media

W Wu, T Wan, Y Yang, H Zheng - Computer Methods in Applied Mechanics …, 2022 - Elsevier
Abstract A three-dimensional (3D) numerical manifold formulation with continuous nodal
gradients (H8-CNS) is presented for dynamic analysis of saturated elasto-plastic porous …

Numerical analysis of a one‐dimensional infiltration problem in unsaturated soil by a seepage–deformation coupled method

E Garcia, F Oka, S Kimoto - International Journal for Numerical …, 2011 - Wiley Online Library
A multiphase coupled elasto‐viscoplastic finite element analysis formulation, based on the
theory of porous media, is used to describe the rainfall infiltration process into a one …

[图书][B] Computational multiphase geomechanics

F Oka, S Kimoto - 2021 - taylorfrancis.com
Numerical methods are very powerful tools for use in geotechnical engineering, particularly
in computational geotechnics. Interest is strong in the new field of multi-phase nature of …

Analytical solutions to the one-dimensional coupled seepage and deformation of unsaturated soils with arbitrary nonhomogeneous boundary conditions

H Wang, J Li - Transport in Porous Media, 2015 - Springer
In one-dimensional coupled seepage and deformation problems, permeability coefficients
are a function of matric suctions in unsaturated soils. Due to the presence of permeability …

Numerical simulation of the rainfall infiltration on unsaturated soil slope considering a seepage flow

S Kimoto, F Oka, E García - … Engineering Journal of the SEAGS & …, 2013 - ph01.tci-thaijo.org
Frequent failures of river embankments have occurred in the world due to heavy rains.
Heavy rainfalls bring about an increase of the ground water level within the soil as well as a …

[HTML][HTML] Instability analysis and simulation of water infiltration into an unsaturated elasto-viscoplastic material

E Garcia, F Oka, S Kimoto - International Journal of Solids and Structures, 2010 - Elsevier
A linear instability analysis was performed in order to investigate which variables have a
significant effect on the onset of the instability of an unsaturated viscoplastic material …

[PDF][PDF] Análisis numérico unidimensional del proceso de infiltración en suelos parcialmente saturados reforzados con geosintéticos permeables

JC Guzmán-Martínez, EF García-Aristizábal… - Scientia et …, 2019 - redalyc.org
Este estudio presenta un análisis numérico del proceso de infiltración de agua en columnas
unidimensionales de suelo y suelo-geosintético bajo condiciones parcialmente saturadas …

Acceleration amplification and settlement behaviors of earth-filled embankments with deteriorated core during seismic waves

B Tamang, J Jin, S Lee, J Heo, H Shim… - International Journal of …, 2022 - Springer
In this study, centrifuge model tests were conducted in two earth-filled embankments with
deteriorated core and having different heights (high and low height embankment is named …

[HTML][HTML] Influence of rainfall intensity on infiltration and deformation of unsaturated soil slopes

EF Garcia Aristizabal, CA Riveros Jerez… - Dyna, 2011 - scielo.org.co
In order to improve the understanding of the influence of rainfall intensity on infiltration and
deformation behavior of unsaturated soil slopes, numerical 2D analyses are carried out by a …

[HTML][HTML] Simulation of rainfall and seepage flow on unsaturated soil by a seepage-deformation coupled method

E García-Aristizábal, C Riveros-Jerez… - Revista Ingenierías …, 2012 - scielo.org.co
This paper presents an application for the analysis of structures formed by unsaturated
layered soils subjected to rainfall and seepage flow; the results are part of a current research …