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Analysis of Geotechnical

Problems with Abaqus

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Analysis of Geotechnical Problems with Abaqus

Day 1

• Lecture 1 Introduction

• Lecture 2 Physical Testing

• Lecture 3 Constitutive Models: Part 1

• Lecture 4 Constitutive Models: Part 2

• Workshop 1 Material Models for Geotechnical Applications

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Analysis of Geotechnical Problems with Abaqus

Day 2

• Lecture 5 Analysis of Porous Media

• Workshop 2 Pore Fluid Flow Analysis: Consolidation

• Lecture 6 Modeling Aspects

• Workshop 3 Pore Fluid Flow Analysis: Wicking

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Analysis of Geotechnical Problems with Abaqus

Additional Material

• Appendix 1 Stress Equilibrium and Fluid Continuity Equations

• Appendix 2 Bibliography of Geotechnical Example Problems

• Appendix 3 Additional Example Problems

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Analysis of Geotechnical Problems with Abaqus

Legal Notices

The Abaqus Software described in this documentation is available only under license from

Dassault Systèmes and its subsidiary and may be used or reproduced only in accordance with the

terms of such license.

This documentation and the software described in this documentation are subject to change

without prior notice.

Dassault Systèmes and its subsidiaries shall not be responsible for the consequences of any

errors or omissions that may appear in this documentation.

No part of this documentation may be reproduced or distributed in any form without prior written

permission of Dassault Systèmes or its subsidiary.

© Dassault Systèmes, 2011.

Printed in the United States of America

Abaqus, the 3DS logo, SIMULIA and CATIA are trademarks or registered trademarks of Dassault

Systèmes or its subsidiaries in the US and/or other countries.

Other company, product, and service names may be trademarks or service marks of their

respective owners. For additional information concerning trademarks, copyrights, and licenses,

see the Legal Notices in the Abaqus 6.11 Release Notes and the notices at:

http://www.simulia.com/products/products_legal.html.

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Analysis of Geotechnical Problems with Abaqus

Revision Status

Lecture 1 5/11 Updated for 6.11

Lecture 2 5/11 Updated for 6.11

Lecture 3 5/11 Updated for 6.11

Lecture 4 5/11 Updated for 6.11

Lecture 5 5/11 Updated for 6.11

Lecture 6 5/11 Updated for 6.11

Appendix 1 5/11 Updated for 6.11

Appendix 2 5/11 Updated for 6.11

Appendix 3 5/11 Updated for 6.11

Workshop 1 5/11 Updated for 6.11

Workshop 2 5/11 Updated for 6.11

Workshop 3 5/11 Updated for 6.11

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Lecture 1

Introduction

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L1.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Introduction

• Overview of Geotechnical Applications

• Classical and Modern Design Approaches

• Some Cases for Numerical (FE) Analysis

• Experimental Testing and Numerical Analysis

• Requirements for Realistic Constitutive Theories

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Lecture 2

Physical Testing

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L2.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Physical Testing

• Basic Experimental Observations

• Testing Requirements and Calibration of Constitutive Models

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Lecture 3

Constitutive Models: Part 1

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L3.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Stress Invariants and Spaces

• Overview of Constitutive Models

• Elasticity

• Plastic Behavior of Soils

• Mohr-Coulomb Model

• Extended Drucker-Prager Models

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Lecture 4

Constitutive Models: Part 2

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L4.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Modified Drucker-Prager/Cap Model

• Critical State (Clay) Plasticity Model

• Jointed Material Model

• Soil Plasticity Models - Summary

• Comments on the Numerical Implementation

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Lecture 5

Analysis of Porous Media

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L5.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Basic Assumptions and Effective Stress

• Stress Equilibrium and Flow Continuity

• Types of Analyses and Usage

• Saturated Example Problems

• Partially Saturated Example Problems

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Lecture 6

Modeling Aspects

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L6.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Element Technology

• Geostatic States of Stress

• Pore Fluid Surface Interactions

• Element Addition and Removal

• Material Wear/Ablation through Adaptive Meshing

• Hydraulic Fracture

• Reinforced Soil Slopes

• Other Applications

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Appendix 1

Stress Equilibrium and Fluid Continuity Equations

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A1.2

Analysis of Geotechnical Problems with Abaqus

Overview

• General equations

• Fully saturated fluid flow

• Partially saturated fluid flow

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Appendix 2

Bibliography of Geotechnical Example Problems

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A2.2

Analysis of Geotechnical Problems with Abaqus

Overview

• References

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Appendix 3

Additional Example Problems

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A3.2

Analysis of Geotechnical Problems with Abaqus

Overview

• Infinite Domains