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Bulletin of Engineering Geology and the Environment

An improved smooth particle hydrodynamics method for modelling crack propagation in layered rock cells and slopes

  • 01-04-2023
  • Original Paper
Published in:
Authors
Chengzhi Xia
Zhenming Shi
Hongchao Zheng
Published in
Bulletin of Engineering Geology and the Environment | Issue 4/2023

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Abstract

The article focuses on the development of an improved Smooth Particle Hydrodynamics (SPH) method for modeling crack propagation in layered rock cells and slopes. Traditional methods like the finite element method and finite difference method face limitations in capturing the complex structural features and large deformations in rock masses. The SPH method, however, offers unique advantages in handling large deformations and discontinuities without grid constraints. The authors propose an enhanced damage framework within the SPH method, incorporating a stress drop damage model based on the spherical stress tensor. This method is validated through unconfined compression simulations of layered cells and further applied to simulate a layered slope with cross joints under prototype stress. The results demonstrate the credibility of the improved SPH method in accurately simulating brittle failure, offering valuable insights into the behavior of layered rock masses and slopes. The article concludes with a discussion on the advantages of the improved SPH method in the rock mechanics field, highlighting its potential for engineering applications.
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Title
An improved smooth particle hydrodynamics method for modelling crack propagation in layered rock cells and slopes
Authors
Chengzhi Xia
Zhenming Shi
Hongchao Zheng
Publication date
01-04-2023
Publisher
Springer Berlin Heidelberg
Published in
Bulletin of Engineering Geology and the Environment / Issue 4/2023
Print ISSN: 1435-9529
Electronic ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-023-03107-5
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