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Abaqus-Composites.pdf
Analysis of Composite Materials
with Abaqus
Day 1
• Lecture 1
Introduction
• Lecture 2
Macroscopic Modeling
• Lecture 3
Mixed Modeling
• Workshop 1
The Pagano Plate Problem
• Lecture 4
Composite Modeling with Abaqus
• Workshop 2a
Buckling of a Laminate Panel
• Workshop 2b
Composite Wing Section
• Workshop 3
Composite Yacht Hull (Optional)
Analysis of Composite Materials with Abaqus
Day 2
• Lecture 5
Reinforcement Modeling
• Lecture 6
Modeling of Sandwich Composites
• Workshop 4
Bending of a Sandwich Beam
• Lecture 7
Modeling of Stiffened Panels
• Workshop 5
Bending of a reinforced flat panel under uniform
pressure
• Lecture 8
Modeling Damage and Failure in Composites
Analysis of Composite Materials with Abaqus
Day 3
• Lecture 9
Cohesive Behavior
• Workshop 6
Analysis of a DCB using Cohesive Behavior
• Lecture 10
Virtual Crack Closure Technique (VCCT)
• Workshop 7
Analysis of a DCB using VCCT (Abaqus/Standard)
• Workshop 8
Analysis of a DCB using VCCT (Abaqus/Explicit)
• Lecture 11
Low-cycle Fatigue
• Workshop 9
Fatigue Crack Growth in a DCB Specimen
Analysis of Composite Materials with Abaqus
Additional Material
• Appendix 1
Crack Propagation Analysis using the Debond
Capability
• Appendix 2
Cohesive Element Modeling Techniques
• Appendix 3
Modeling Issues for Continuum Shell Elements
• Appendix 4
Alternative Modeling Techniques for
Composites
• Appendix 5
Modeling Composite Material Impact with
Abaqus/Explicit
• Workshop 10
Perforation of a Composite Plate
• Appendix 6
Material Orientation Examples
Analysis of Composite Materials 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, 2010.
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 6.10 Release Notes and the notices at:
http://www.simulia.com/products/products_legal.html.
Analysis of Composite Materials with Abaqus
Revision Status
Lecture 1
5/10
Updated for 6.10
Workshop 1
5/10
Updated for 6.10
Lecture 2
5/10
Updated for 6.10
Workshop 2a
5/10
Updated for 6.10
Lecture 3
5/10
Updated for 6.10
Workshop 2b
5/10
New for 6.10
Lecture 4
5/10
Updated for 6.10
Workshop 3
5/10
Updated for 6.10
Lecture 5
5/10
Updated for 6.10
Workshop 4
5/10
Updated for 6.10
Lecture 6
5/10
Updated for 6.10
Workshop 5
5/10
Updated for 6.10
Lecture 7
5/10
Updated for 6.10
Workshop 6
5/10
Updated for 6.10
Lecture 8
5/10
Updated for 6.10
Workshop 7
5/10
Updated for 6.10
Lecture 9
5/10
Updated for 6.10
Workshop 8
5/10
Updated for 6.10
Lecture 10
5/10
Updated for 6.10
Workshop 9
5/10
Updated for 6.10
Lecture 11
5/10
Updated for 6.10
Workshop 10
5/10
Updated for 6.10
Appendix 1
5/10
Updated for 6.10
Appendix 2
5/10
Updated for 6.10
Appendix 3
5/10
Updated for 6.10
Appendix 4
5/10
Updated for 6.10
Appendix 5
5/10
Updated for 6.10
Appendix 6
5/10
New for 6.10
Analysis of Composite Materials with Abaqus
Introduction
Lecture 1
L1.2
Overview
• Description of a Composite
• Some Typical Composites
• Finite Element Modeling of Composites
Ceramic Matrix Composites
for Turbomachinery
Unidirectional Laminates for Aerospace Applications
Woven Fabrics for Formula 1 Racing
Analysis of Composite Materials with Abaqus
Macroscopic Modeling
Lecture 2
L2.2
Overview
• Introduction
• Anisotropic Elasticity
• Viscoelasticity
• Thermal Expansion
• Material Orientation
Analysis of Composite Materials with Abaqus
Mixed Modeling
Lecture 3
L3.2
Overview
• Introduction
• Laminated Composite Shells
• Continuum Shell Elements
• Continuum Shell Meshing
• Continuum Solid Elements
• Symmetry Conditions and Laminated Structures
• Workshop 1
Analysis of Composite Materials with Abaqus
Composite Modeling with Abaqus
Lecture 4
L4.2
Overview
• Introduction
• Understanding Composite Layups
• Understanding Composite Layup Orientations
• Defining Composite Layup Output
• Viewing a Composite Layup
• Abaqus/CAE Demonstration: Three-ply composite
• Composites Modeler for Abaqus/CAE
• Workshop 2a
• Workshop 2b
• Workshop 3 (Optional)
Analysis of Composite Materials with Abaqus
Reinforcement Modeling
Lecture 5
L5.2
Overview
• Introduction
• Rebar Layers
• Embedded Elements
Analysis of Composite Materials with Abaqus
Analysis of Sandwich Composites
Lecture 6
L6.2
Overview
• Introduction to Sandwich Composites
• Abaqus Usage
• Modeling Skins with Abaqus/CAE
• Abaqus Examples
• Comparison to NAFEMS solution
• Comparison of Conventional and Continuum Shells
• Stacking Elements Through the Thickness
• Tapered Sandwich Composite
• Workshop 4
Analysis of Composite Materials with Abaqus
Analysis of Stiffened Composite Panels
Lecture 7
L7.2
Overview
• Stiffened Composite Panels
• Abaqus Usage
• Abaqus Example
• Workshop 5
Analysis of Composite Materials with Abaqus
Modeling Damage and Failure in Composites
Lecture 8
L8.2
Overview
• Failure Criteria in Laminates
• Failure Theories
• Progressive Damage of Fiber-Reinforced Composites
• Example
• Import of Composite Damage Model
Analysis of Composite Materials with Abaqus
Cohesive Behavior
Lecture 9
L9.2
Overview
• Introduction
• Cohesive Element Technology
• Constitutive Response in Cohesive Elements
• Viscous Regularization for Cohesive Elements
• Cohesive Element Examples
• Workshop 6 (Part 1)
• Surface-based Cohesive Behavior
• Element- vs. Surface-based Cohesive Behavior
• Workshop 6 (Part 2)
Note: Appendix 2 contains an in-depth discussion of modeling techniques
for cohesive elements using both the interactive and keywords interfaces.
Analysis of Composite Materials with Abaqus
Virtual Crack Closure Technique (VCCT)
Lecture 10
L10.2
Overview
• Introduction
• VCCT Criterion
• Example using Abaqus/Standard
• Example using Abaqus/Explicit
• Output
• VCCT Plug-in
• Comparison with Cohesive Behavior
• Examples
• Workshop 7
• Workshop 8
Analysis of Composite Materials with Abaqus
Low-cycle Fatigue Criterion
Lecture 11
L11.2
Overview
• Introduction
• Direct Cyclic Low-cycle Fatigue Analysis
• Low-cycle Fatigue Criterion
• Workshop 9
Analysis of Composite Materials with Abaqus
Crack Propagation Analysis using the
Debond Capability
Appendix 1
A1.2
Overview
• Introduction
• Modeling Interface Behavior
Analysis of Composite Materials with Abaqus
Cohesive Element Modeling Techniques
Appendix 2
A2.2
Overview
• Viscous Regularization
• Modeling Techniques
Analysis of Composite Materials with Abaqus
Modeling Issues for Continuum Shell
Elements
Appendix 3
A3.2
Overview
• Modeling Issues for Continuum Shell Elements
• Defining the thickness direction for continuum shell elements
• Shell thickness
• Change in thickness and thickness modulus
Analysis of Composite Materials with Abaqus
Alternative Modeling Techniques for Composites
Appendix 4
A4.2
Overview
• Introduction
• Laminated Shell Section Definition
• Laminated Solid Section Definition
• Section Point Based Postprocessing Technique
Analysis of Composite Materials with Abaqus
Modeling Composite Material Impact
with Abaqus/Explicit
Appendix 5
A5.2
Overview
• Introduction
• Composite Damage Models in Abaqus/Explicit
• Unidirectional Fiber
• Example – Composite Plate Impact
• Woven Fabric
• Example – Corrugated Beam Crushing
• Modeling Techniques
• Workshop 10
Analysis of Composite Materials with Abaqus
Material Orientation Examples
Appendix 6
A6.2
Material Orientation Examples
• Example 3: Shell elements
• Example 4: Layered shell elements
• Example 5: Solid elements
• Example 6: Layered solid elements
Analysis of Composite Materials with Abaqus
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