New Trends in Numerical Methods in Rock Mechanics and Rock Engineering

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Geomechanics".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 1062

Editors


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Guest Editor
Institute of Geosafety, School of Engineering and Technology, China University of Geosciences Beijing, Beijing 100083, China
Interests: rock mechanics; underground excavation; numerical simulation; hydraulic fracturing; induced seismicity; rock friction; flow transportation; underground mining

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Guest Editor
Department Geoenergy, Montanuniversität Leoben, 8700 Leoben, Austria
Interests: geothermal energy; reservoir simulation; thermal engineering; geothermal heat pump; geothermal organic Rankine cycle power plant
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Special Issue Information

Dear Colleagues,

Recent advances in numerical modeling are reshaping the landscape of rock mechanics and rock engineering by enabling the more accurate representation of complex geological processes, including multi-physics coupling, nonlinear behaviors, and scale-dependent phenomena. While the established methods in commercial software handle core problems such as nonlinearity and transient effects, key limitations persist, particularly in terms of capturing complex fracture dynamics, full-scale coupled THMC processes, and the impact of heterogeneity. Emerging approaches (HPC, data-driven/ML, hybrid methods) directly address these gaps, enabling the simulation of multi-physics interactions, realistic fracture/granular systems, and efficient scale bridging. The rapidly growing research output signals that these methods are forming a significant trend. This momentum makes the present an opportune time for this Special Issue to showcase state-of-the-art achievements.

This Special Issue aims to showcase innovative numerical methodologies and their applications to a wide range of rock engineering challenges. We welcome the submission of original research and review articles focused on topics including, but not limited to, the following:

  • Advanced numerical frameworks: FEM, DEM, FDEM, MPM, phase-field methods, and peridynamics;
  • Novel simulation methods: extended finite element method (XFEM), material point method (MPM), and other emerging computational techniques;
  • High-performance computing and parallel techniques: GPU-accelerated algorithms, large-scale 3D modeling, and cloud-based simulations;
  • Multi-scale and multi-physics modeling of THM processes and fracture evolution;
  • AI/ML-assisted simulations, inverse analysis, and uncertainty quantification;
  • Case studies in mining, tunneling, slope stability, reservoir geomechanics, and energy storage.

By bridging theoretical developments with practical applications, this Special Issue aims to not only support safer and more efficient engineering design but also to advance the mechanistic understanding of rock deformation, fracture, and failure under complex and coupled conditions.

Prof. Dr. Qingsheng Bai
Dr. Chaofan Chen
Guest Editors

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Keywords

  • numerical methods
  • rock mechanics
  • rock engineering
  • advanced numerical frameworks
  • AI/ML-assisted simulations
  • high-performance computing and parallel techniques
  • multi-scale and multi-physics methods
  • case studies

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Published Papers (1 paper)

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Research

19 pages, 5345 KB  
Article
Cyclic Shear Responses of Saw-Tooth Artificial Rock Joints Under Constant Normal Load Conditions: Laboratory Investigation and Numerical Simulation
by Zongheng Tao, Wei Tang, Chuan Li and Wengang Dang
Geosciences 2026, 16(6), 207; https://doi.org/10.3390/geosciences16060207 - 22 May 2026
Viewed by 192
Abstract
Understanding the movement behavior of upper blocks along rock joints or weak planes is crucial for the geological hazard forecast and prediction. This paper presents experimental and numerical investigations of a saw-tooth joint under shear and normal load conditions. Multi-stage direct shear tests [...] Read more.
Understanding the movement behavior of upper blocks along rock joints or weak planes is crucial for the geological hazard forecast and prediction. This paper presents experimental and numerical investigations of a saw-tooth joint under shear and normal load conditions. Multi-stage direct shear tests under different normal load conditions were conducted using a direct shear box apparatus. The reverse dilation behavior of the upper specimen was observed by measuring the normal displacement at the four corners of the upper block. Laboratory test results show that, under lower normal loads, the normal displacement of the upper specimen on the applied shear force side initially decreases (settlement), while the settlement reverses to heave (dilation) when the shear displacement reaches a certain value. However, the settlement reverse behavior does not occur under large normal loads. Corresponding numerical simulation confirms that this settlement reversal is controlled by the specimen fracturing. The saw-tooth asperities are sheared off under a large normal load, while the upper specimen climbs along the slope of the bottom specimen under lower normal loads. Consequently, the changes in contact area, interface normal stress, interface shear stress, and normal displacement of the joint differ significantly between large and low normal load conditions. This research deepens our understanding of the shear-induced dilation and fracture behavior of saw-tooth joints, and the results can provide guidelines for evaluating the stability of geological rock mass. Full article
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