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International Conference on Discrete Element Methods

DEM 2016: Proceedings of the 7th International Conference on Discrete Element Methods pp 267–279Cite as

Advances in Multiscale FEM-DEM Modeling of Granular Materials

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 188))

Abstract

Granular materials are highly heterogeneous and discontinuous media at the grain scale. The gradient Cosserat continuum and the discrete particle assembly are assumed for modelling granular media at the macro- and meso- scales respectively. The paper reports recent advances in multiscale modeling of granular materials, particularly in (1) the second-order computational homogenization method and corresponding global-local mixed FEM—crushable DEM nested scheme; (2) the meso-mechanically informed characterization of irreversible energy dissipation of macroscopic continuum; (3) meso-hydro-mechanically informed definitions of effective stresses of saturated and unsaturated porous media.

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References

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Author information

Authors and Affiliations

  1. The State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, 116024, China

    Xikui Li, Z. Wang, Y. Du & Q. Duan

Authors
  1. Xikui Li
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  2. Z. Wang
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  3. Y. Du
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  4. Q. Duan
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Corresponding author

Correspondence to Xikui Li .

Editor information

Editors and Affiliations

  1. Dalian University of Technology, Department of Engineering Mechanics Dalian University of Technology, Dalian, Liaoning, China

    Xikui Li

  2. Swansea University, College of Engineering Swansea University, Swansea, United Kingdom

    Yuntian Feng

  3. Colorado School of Mines, Department of Mechanical Engineering Colorado School of Mines, Golden, Colorado, USA

    Graham Mustoe

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© 2017 Springer Science+Business Media Singapore

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Li, X., Wang, Z., Du, Y., Duan, Q. (2017). Advances in Multiscale FEM-DEM Modeling of Granular Materials. In: Li, X., Feng, Y., Mustoe, G. (eds) Proceedings of the 7th International Conference on Discrete Element Methods. DEM 2016. Springer Proceedings in Physics, vol 188. Springer, Singapore. https://doi.org/10.1007/978-981-10-1926-5_30

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  • DOI: https://doi.org/10.1007/978-981-10-1926-5_30

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1925-8

  • Online ISBN: 978-981-10-1926-5

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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