Finite element solution for static and dynamic interactions of cylindrical rigid objects and unsaturated granular soils

authored by: Javad Ghorbani, Majidreza Nazem, Jayantha Kodikara, Peter Wriggers
Abstract: By employing a mortar-type contact algorithm, we develop a theoretical and numerical framework for elastoplastic interaction of unsaturated granular soils with a rigid cylindrical object in both static and dynamic analyses. The elastoplastic response is modelled with a constitutive model based on the effective stress concept for unsaturated soils. The constitutive model offers the ability to simulate the effect of stress-induced anisotropy on the plastic response. Several numerical examples are provided for verification purposes and sensitivity analysis, demonstrating the capabilities of the presented framework.
Organisation(s): Institute of Continuum Mechanics
External Organisation(s): Monash University
Royal Melbourne Institute of Technology University
Type: Article
Journal: Computer Methods in Applied Mechanics and Engineering
Volume: 384
ISSN: 0045-7825
Publication date: 01.10.2021
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Computational Mechanics, Mechanics of Materials, Mechanical Engineering, General Physics and Astronomy, Computer Science Applications
Electronic version(s): https://doi.org/10.1016/j.cma.2021.113974 (Access: Closed)
: Details in the research portal "Research@Leibniz University"

BibTeX

@article{3d69b65edbda4805958c3a73623e78e1,
title = "Finite element solution for static and dynamic interactions of cylindrical rigid objects and unsaturated granular soils",
abstract = "By employing a mortar-type contact algorithm, we develop a theoretical and numerical framework for elastoplastic interaction of unsaturated granular soils with a rigid cylindrical object in both static and dynamic analyses. The elastoplastic response is modelled with a constitutive model based on the effective stress concept for unsaturated soils. The constitutive model offers the ability to simulate the effect of stress-induced anisotropy on the plastic response. Several numerical examples are provided for verification purposes and sensitivity analysis, demonstrating the capabilities of the presented framework.",
keywords = "Contact mechanics, Coupled analysis, Plasticity, Soil dynamics, Unsaturated soils",
author = "Javad Ghorbani and Majidreza Nazem and Jayantha Kodikara and Peter Wriggers",
note = "Funding Information: This research work is part of a research project ( Project No IH18.03.1 ) sponsored by the SPARC Hub at the Department of Civil Engineering, Monash University funded by the Australian Research Council (ARC) Industrial Transformation Research Hub (ITRH) Scheme (Project ID: IH180100010 ). The financial and in-kind support from CIMIC Group, EIC Activities, Austroads, and Monash University is gratefully acknowledged. Also, the financial support from ARC is highly acknowledged. ",
year = "2021",
month = oct,
day = "1",
doi = "10.1016/j.cma.2021.113974",
language = "English",
volume = "384",
journal = "Computer Methods in Applied Mechanics and Engineering",
issn = "0045-7825",
publisher = "Elsevier",
}