Course: 2D & 3D Geomechanical Modelling

The two-day comprehensive course on slope stability using Rocscience software tools is designed for all experience levels and will focus on basics as well as advanced theoretical background of LE and FE-based slope stability assessment. The course aims to address participants from diverse backgrounds such as mining, geology, and civil engineering and will provide opportunities for hands-on analysis using provided examples and discussions.

  • Location: Grand Hotel Sofia, 1, Gurko Str., 1000 Sofia, Bulgaria
  • Course Date: December 1-2, 2022
  • Languages: The course will be conducted in English
  • Software to be used: Slide2, Slide3, RS2, and RS3
  • Registration Fees: 300€
  • What’s included:
    • One month temporary Rocscience software licenses (attendees must bring a laptop with the software installed)
    • Course material package
    • Onsite WiFi
    • PDH Certificate (16-hours)

Course Outline:

Module I: Limit Equilibrium Approach in Slope Stability Assessment

  • Basics of LE Approach in Slope Stability Assessment
  • Failure Modes of Soil and Rock Slopes
  • Factor Safety, Risk-Based Design and Reference to EC7 Design Codes
  • Overview of Geometry Search Options and Optimization Techniques
  • Material Strength Models
Module II: Modeling Uncertainty in Slope Stability Assessment
  • Overview of Basic Statistical Concepts and Quantification of Parameter Uncertainty
  • Probability of Failure v.s. Factor of Safety
Module III: 2D Anisotropy and Weak Layer Definitions
  • Anisotropic Material Strength Models
  • Anisotropic Surface Definition
  • Definition of Weak Layers
Module IV: Shear Strength Reduction Approach
  • 2D and 3D Shear Strength Reduction & Comparison with LE Methods
  • SSR in Homogeneous Slopes, Multi-Layered Lithologies
  • SSR in Slopes with Reinforcement, Anisotropy Definition
  • FE Based Slope Stability Assessments in Jointed Rock Masses
Module V: Groundwater Modeling Options in 2D and 3D
  • Phreatic Lines and Excess Pore Water Pressure Ratio Definitions
  • Steady State and Transient Groundwater Flow Modeling Options
  • Slope Face Drainage Modeling and Effect of Safety Factors,
  • Groundwater Boundary Conditions, Infiltration Effects
  • Rapid Drawdown Groundwater Modeling in LE and FE Tools
  • Permeability Functions
Module VI: 3D LE Based Slope Stability Assessment
  • Geometry Building, Point Clouds and Surface Generation Options
  • Ground Surface and Subsurface Modeling Using Borehole Definitions
  • Surface Repair and Regeneration Tools
  • Support Design in 3D: Soil Nails, Micropiles and Geosynthetics
  • Use of Surface Deformation Data for Improved Decision Making

Module VII: Seismic Performance Assesment of Slopes

  • Earthquake Effects and Selection of Design Basis Pseudostatic Seismic Coefficients
  • Simplified Methods for Predicting Seismic Slope Displacements
  • 2D FE Modeling Under Dynamic Loads


For any further queries with regards to the course, please contact Anil Yunatci.


Course Instructors

Nikolay Milev, Chief Assistant Professor
University of Architecture, Civil Engineering and Geodesy

Dr. Milev’s background in industry and research has brought a fresh and dynamic approach to the geotechnical designs he creates. He is inspired by innovative engineering solutions and already has 15 years design experience in YODA LTD. where he is currently the Managing Director. He is a Nominated Member of Bulgaria for TC203 and TC220 of ISSMGE. Furthermore, Dr. Milev has solid academic experience both in Bulgarian and Japanese top engineering universities – UACEG (Bulgaria) and The University of Tokyo (Japan). During his research he had the unique chance to visit Japan twice and work with Prof. Junichi Koseki on Cyclic Triaxial Tests with Application of Dynamic Measurements from 2014 to 2015 and with Associate Prof. Takashi Kiyota on Shallow Ground Improvement for Liquefaction Mitigation by Installing Log-piles from 2021 to 2022. The numerous publications concerning his scientific work which have been published in international journals and conferences’ proceedings are a sign for his outstanding competence on various advanced topics and limitless enthusiasm for self-improvement

A. Anıl Yunatcı, Ph.D., Geotechnical Engineer
GeoDestek Ltd. Şti.

Dr. Anıl Yunatcı is working as a senior geotechnical engineer at GeoDestek Ltd. Şti. He has built experience in the field of geotechnical earthquake engineering, seismic hazard assessment, numerical modeling,geotechnical monitoring and soil investigation studies over 20 years. Dr. Yunatcı received his Bachelors degree in Civil Engineering in 1999 from Gazi University in Turkey. He then obtained his Masters and in geotechnical engineering from Middle East Technical University, Turkey in 2010. Dr. Yunatcı is in charge of organizing and developing numerous customized Rocscience courses and workshop events nationwide and internationally. Within GeoDestek, he has been participating as a co-lecturer in Rocscience oriented numerical modeling courses since 2013.

Yalın Umur Doğan, MSc., Engineering Geologist
GeoDestek Ltd. Şti.

Yalın Umur Dogan is working as an Engineering Geologist at GeoDestek Ltd. Sti. He received his Bachelor’s degree in Geological Engineering in 2014 from Hacettepe University. He then obtained his Master’s degree in geotechnical engineering from Gazi University in 2019. He is currently pursuing his Ph.D. degree in Geotechnical Engineering in Gazi University. He is also currently serving as a member of the Geotechnics and Engineering Geology Commission in Chamber of Geological Engineers of Turkey. His professional and research experiences include geotechnical site characterization, in-situ test, slope stability, 2D and 3D effects in slope stability problems, shear strength reduction approach and effects of various methods in bi-planar failure mechanisms. Within Geodestek, he has been participating as a co-lecturer in Rocscience oriented numerical modeling courses since 2018.