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2018 | OriginalPaper | Buchkapitel

Implementation of a Micromechanical Model for BVPs

verfasst von : Chao-Fa Zhao, Zhen-Yu Yin, Pierre-Yves Hicher

Erschienen in: Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours

Verlag: Springer Singapore

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Abstract

Micromechanics-based model have proved to be efficient in describing the mechanical behaviour of granular soils with few physical meaning parameters. Among these models, a family of micromechanical models was constructed based on the static approach that is a bridge connecting micro forces and macro stress. This paper presents the application of a static hypothesis based CH micromechanical model to solve boundary value problems (BVPs) using an implicit integration method. The model was first calibrated by results of elementary tests of Hostun sand and then was implemented into a finite element code. Two typical boundary value problems: a biaxial test and a square footing were numerically analysed to demonstrate how the micromechanical model can be applied to multiscale modelling of geotechnical structures.

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Metadaten
Titel
Implementation of a Micromechanical Model for BVPs
verfasst von
Chao-Fa Zhao
Zhen-Yu Yin
Pierre-Yves Hicher
Copyright-Jahr
2018
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-13-0125-4_95