Abaqus Composites PDF [PDF]

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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