Composites Summary

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Analysis of Composite Materials with Abaqus

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


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)

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


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.

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |


Revision Status

Lecture 1 5/11 Updated for 6.11











Appendix 1 5/11 Updated for 6.11






Workshop 1 5/11 Updated for 6.11

Workshop 2a 5/11 Updated for 6.11

Workshop 2b 5/11 Updated for 6.11









| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 1

Introduction

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

L1.2


Overview

• Description of a Composite

• Some Typical Composites

• Finite Element Modeling of Composites

Ceramic Matrix Composites

for Turbomachinery

Woven Fabrics for Formula 1 RacingUnidirectional Laminates for Aerospace Applications

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 3

Mixed Modeling

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

L3.2


Overview

• Introduction

• Laminated Composite Shells

• Continuum Shell Elements

• Continuum Shell Meshing

• Continuum Solid Elements

• Symmetry Conditions and Laminated Structures

• Workshop 1

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 4

Composite Modeling with Abaqus

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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)

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 6

Analysis of Sandwich Composites

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 8

Modeling Damage and Failure in Composites

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

L8.2


Overview

• Failure Criteria in Laminates

• Failure Theories

• Progressive Damage of Fiber-Reinforced Composites

• Example

• Import of Composite Damage Model

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 9

Cohesive Behavior

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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.

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Lecture 10

Virtual Crack Closure Technique (VCCT)

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Appendix 3

Modeling Issues for Continuum Shell Elements

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Appendix 4

Alternative Modeling Techniques for Composites

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

A4.2


Overview

• Introduction

• Laminated Shell Section Definition

• Laminated Solid Section Definition

• Section Point Based Postprocessing Technique

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Appendix 5

Modeling Composite Material Impact

with Abaqus/Explicit

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

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

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

Appendix 6

Material Orientation Examples

| w

ww

.3ds.c

om

| ©

Dassault S

ystè

mes |

A6.2


Material Orientation Examples

• Example 3: Shell elements

• Example 4: Layered shell elements

• Example 5: Solid elements

• Example 6: Layered solid elements

Composites Summary

Documents

Transcript of Composites Summary