A. Golchin
A flexible and robust yield function for geomaterials
Golchin, A.; Vardon, P.J.; Hicks, M.A.; Coombs, W.M.
Abstract
This paper presents a new Modified Cam Clay (MCC) type yield function, that is designed for robust and efficient use with implicit stress integration algorithms. The proposed yield function attains non-elliptical (e.g. tear and bullet) shapes, as well as the typical elliptical shape of the MCC model. Like that of MCC, and unlike most other yield functions with non-elliptical shapes available in literature, it is non-singular and unique throughout stress space. The experimental yielding stresses of a wide range of geomaterials have been accurately simulated using the yield surface. The yield function can be used in constitutive models based on classical elasto-plasticity theory.
Citation
Golchin, A., Vardon, P., Hicks, M., & Coombs, W. (2021). A flexible and robust yield function for geomaterials. Computer Methods in Applied Mechanics and Engineering, 387, Article 114162. https://doi.org/10.1016/j.cma.2021.114162
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 29, 2021 |
Online Publication Date | Oct 21, 2021 |
Publication Date | Dec 15, 2021 |
Deposit Date | Aug 31, 2021 |
Publicly Available Date | Oct 21, 2021 |
Journal | Computer Methods in Applied Mechanics and Engineering |
Print ISSN | 0045-7825 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 387 |
Article Number | 114162 |
DOI | https://doi.org/10.1016/j.cma.2021.114162 |
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Copyright Statement
© 2021 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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