FLAC and FLAC3D for Tunnel Engineering

This course provides methodologies and technics used in FLAC and FLAC3D for tunnel design and analysis. Different tunneling methods including NATM and TBM tunneling will be covered in the course. Furthermore, liquefaction damage assessment of tunnels using FLAC will be discussed.

January 1, 2026 to February 28, 2026 | Fees: $1,390
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Course Schedule

• Course Start Date: January 1, 2026

• Course End Date: February 28, 2026

• Live Q&A Session 1: January 17, 2026 1:00 pm CT

• Live Q&A Session 2: February 14, 2026 1:00 pm CT

• Exam Return Due: March 15, 2026 (only for participants seeking certificate)

• One year full access to the course materials from the course start date

Item

• Full access to 18 hours of lecture videos
• Full access to lecture notes
• Solved practical examples
• Live question and answer sessions
• Lifetime membership of LinkedIn private computational geomechanics group
• Certificate and 18 PDH credits

Itasca Software

Demo and educational versions (with limits on the number of elements in the model) of FLAC and FLAC3D will be used during the course. Guidelines will be provided to students for installing and using the programs.

Certificate

Certificates will be awarded to the participants upon successful completion of the course requirements and passing the course exam. The certificate includes 18 PDH credits.

Tools Used

FLAC: 2D Finite Difference Analysis
FLAC3D: 3D Finite Difference Analysis

Instructor

Siavash Zamiran, Ph.D., P.E.
Dr. Zamiran is a geotechnical and geomechanics engineer with over than 15 years of industry and academic experience in different geotechnical and petroleum engineering disciplines. Currently, Dr. Zamiran is a geotechnical/geomechanics consultant, founder and instructor at Mohr Academy, and Senior Lecturer at University of Houston. Dr. Zamiran is a member of ASCE Geo-Institute Computational Geotechnics Committee. He was the winner of national ASCE Edmund Friedman Award in 2019 and ASCE St. Louis Young Engineer Award in 2018.

A Glance at the Lecture

Course Outline

Section 1 Introduction to Numerical Modeling
Section 2 Numerical Methods and Tools
Section 3 Introduction to FLAC
Section 4 Introduction to FLAC3D
Section 5 Meshing Tools and Options
Section 6 Octree Meshing
Section 7 Model Analysis in FLAC and FLAC3D
Section 8 Rhino and Griddle
Section 9 Model Development Using Extrusion
Section 10 Interface Modeling
Section 11 Tunnel Modeling and Analysis in FLAC3D

Itasca Training Partner

Mohr Academy is an Itasca Training Partner, providing a variety of courses on FLAC, FLAC3D, UDEC, 3DEC, Griddle, PFC, and XSite programs in different disciplines. As a training partner we provide temporary Itasca software licenses to our course participants through Itasca International Inc.

Course Introduction and Notes

Welcome to the Course!

Course Agreement

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Software Notes and Installation

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Course Format

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Course Outline

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Section 1. Introduction of Numerical Modeling

Section 1 Outline

Introduction to Numerical Modeling

Handout - Introduction to Numerical Modeling.pdf

Section 2. Numerical Methods and Tools

Section 2 Outline

Numerical Methods and Tools Part I

Numerical Methods and Tools Part II

Handout - Numerical Methods and Tools Part

Section 3. Introduction to FLAC

Section 3 Outline

Introduction to FLAC Part I

Introduction to FLAC Part II

Introduction to FLAC Part III

Introduction to FLAC Part IV

Introduction to FLAC Part V

Introduction to FLAC Part VI

Handout - Introduction to FLAC.pdf

Example 1.txt

Section 4. Introduction to FLAC3D

Outline

Introduction to FLAC3D Part I.mp4

Introduction to FLAC3D Part II.mp4

Introduction to FLAC3D Part III.mp4

Introduction to FLAC3D Part IV.mp4

Introduction to FLAC3D Part V.mp4

Introduction to FLAC3D Part VI.mp4

Handout - Introduction to FLAC3D.pdf

Section 5. Meshing Tools and Options

Introduction to Meshing Part I.mp4

Introduction to Meshing Part II.mp4

Handout - Introduction to Meshing.pdf

Section 6. Octree Meshing

Octree Meshing Part I.mp4

Octree Meshing Part II.mp4

Octree Meshing Part III.mp4

Handout - Octree Meshing.pdf

Octree Meshing Files.zip

Section 7. Model Analysis in FLAC and FLAC3D

Model Analysis Part I.mp4

Model Analysis Part II.mp4

Model Analysis Part III.mp4

Model Analysis Part IV.mp4

Model Analysis Part V.mp4

Model Analysis Part VI.mp4

Model Analysis Part VII.mp4

Model Analysis Part VIII.mp4

Model Analysis Part IX.mp4

Model Analysis Part X.mp4

Handout - Model Analysis Section 1.pdf

Handout - Model Analysis Section 2.pdf

Handout - Model Analysis Section 3.pdf

Model Analysis Files.zip

Section 8. Rhino and Griddle

Rhino and Griddle Part I.mp4

Rhino and Griddle Part II.mp4

Rhino and Griddle Part III.mp4

Rhino and Griddle Part IV.mp4

Rhino and Griddle Part V.mp4

Rhino and Griddle Part VI.mp4

Handout - Rhino and Griddle.pdf

Rhino Tutorial.pdf

Rhino and Griddle Files.zip

Section 9. Model Development Using Extrusion

Model Development Using Extrusion Part I.mp4

Model Development Using Extrusion Part II.mp4

Model Development Using Extrusion Part III.mp4

Handout - Model Development Using Extrusion.pdf

Extrusion Files.zip

Section 10. Interface Modeling

Interface Modeling Part I.mp4

Interface Modeling Part II.mp4

Interface Modeling Part III.mp4

Interface Modeling Part IV.mp4

Interface Modeling Part V.mp4

Interface Modeling Part VI.mp4

Interface Modeling Part VII.mp4

Interface Modeling Part VIII.mp4

Handout - Interface Modeling.pdf

Interface Modeling Examples.zip

Section 11. Tunnel Modeling and Analysis in FLAC3D

Tunnel Modeling Part I.mp4

Tunnel Modeling Part II.mp4

Tunnel Modeling Part III.mp4

Tunnel Modeling Part IV.mp4

Tunnel Modeling Part V.mp4

Tunnel Modeling Part VI.mp4

Tunnel Modeling Part VII.mp4

Tunnel Modeling Part VIII.mp4

Tunnel Modeling Part IX.mp4

Tunnel Modeling Part X.mp4

Tunnel Modeling Part XI.mp4

Tunnel Modeling Part XII.mp4

Handout - Tunnel Modeling Part I.pdf

Handout - Tunnel Modeling Part 2.pdf

Handout - Tunnel Modeling Part 3.pdf

Lecture Tunnel Modeling Example 1.txt

Lecture Tunnel Modeling Example 2.zip

FLAC Manual Example 1 Lined Tunnel Construction in Saturated Ground.pdf

FLAC Manual Example 2 Multistage Tunnel Excavation and Support.pdf

FLAC Manual Example 3 Stresses around a Pressurized Concrete Tunnel.pdf

FLAC3D Manual Example 1 Excavation and Support for a Shallow Tunnel.pdf

FLAC3D Manual Example 2 Reinforced Tunnel Excavation.pdf

FLAC3D Manual Example 3 Grid Generation for Intersecting Tunnels.pdf

Section 12. Additional Notes

Additional Notes

Zone Relax Command.mp4

Zone Reflect Command.m4v

Final Notes, Certificate, and Exam

Thank you for taking the course!

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FLAC Tunnel Exam File.docx

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