Uniaxial compression a soft grain composed of aggregate primary particles

https://doi.org/10.31130/ud-jst.2025.495E

Abstract: 262 | PDF: 108

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Author

  • Nguyen Thanh Hai
    The University of Danang - University of Science and Technology, Vietnam

Keywords:

Discrete element method
soft grain
large deformation
cohesive force

Abstract

Deformable materials such as latex rubber, clays, and concretere commonly used in civil construction, that can large deformation. This paper uses the discrete element method to simulate a soft grain that can deformed without rupturing. This soft grain is composed of rigid primary particles with a cohesive contact law between them. The results showed that rigid primary particles within the deformable grain can move and rearrange in response to vertical compression. The soft grain is characterized by a linear response to small deformations and plastic behavior beyond, on the other hand, the axial stress as a function of the cumulative axial deformation for a grain undergoing vertical compression followed by a discharge from 10% and 30% deformation.

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Published

Jan 31, 2025
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How to Cite
Hai, N. T. “Uniaxial Compression a Soft Grain Composed of Aggregate Primary Particles”. The University of Danang - Journal of Science and Technology, vol. 23, no. 1, Jan. 2025, pp. 48-52, doi:10.31130/ud-jst.2025.495E.

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