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ROTATION OF GRANULAR MATERIAL IN LABORATORY TESTS AND ITS NUMERICAL SIMULATION USING TIJ–COSSERAT CONTINUUM THEORY

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Computational Methods

Abstract

It is important to take into consideration the particle rotation when discussing the behaviour of deformation in granular material. A Cosserat continuum theory is suitable for the problems that include rotation of particles in granular materials because the deformation of a ground composed of granular materials is described by both displacements and rotations. In this study, laboratory tests were carried out to investigate the rotation behaviour of granular materials. Then, an elasto-plastic model for sand based on tij-sand model [1] was formulated within Cosserat continuum theory. Furthermore, the model is implemented into a finite element code for the numerical simulation of boundary value problems related to the tests. From a series of laboratory tests and simulations, results are compared and discussed in detail.

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REFERENCES

  1. T. Nakai (1989), An isotropic hardening elasto-plastic model for sand considering the stress path dependency in three-dimensional stresses, Soils and Foundations, (1), pp. 119–137.

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  2. K. Sawada, H. Kato, A. Yashima and F. Zhang (2002), Analytical study of grains rotation using tij sand model based on Cosserat continuum theory, Proceedings of 1st International Workshop on New Frontiers in Computational Geotechnics, Banff Alberta, Canada, pp. 175–182.

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Author information

Authors and Affiliations

  1. Department of Civil Engineering, Gifu University, Gifu, 501-1193, Japan

    K. Sawada, F. Zhang & A. Yashima

Authors
  1. K. Sawada
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  2. F. Zhang
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  3. A. Yashima
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Editor information

Editors and Affiliations

  1. National University of Singapore, Singapore

    G.R. LIU

  2. National University of Singapore, Singapore

    V.B.C. TAN

  3. Hunan University, P.R. China

    X. HAN

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© 2006 Springer

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Sawada, K., Zhang, F., Yashima, A. (2006). ROTATION OF GRANULAR MATERIAL IN LABORATORY TESTS AND ITS NUMERICAL SIMULATION USING TIJ–COSSERAT CONTINUUM THEORY. In: LIU, G., TAN, V., HAN, X. (eds) Computational Methods. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-3953-9_104

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  • DOI: https://doi.org/10.1007/978-1-4020-3953-9_104

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-3952-2

  • Online ISBN: 978-1-4020-3953-9

  • eBook Packages: EngineeringEngineering (R0)

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