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Heat Transfer and Thermal-Stress Analysis with Abaqus

6.12

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Course objectives Upon completion of this course you will be able to:

Perform steady-state and transient heat transfer simulations

Solve cavity radiation problems

Model latent heat effects

Perform adiabatic, sequential, and fully coupled thermal-stress analyses

Model contact in heat transfer problems

Targeted audience

Simulation Analysts

Prerequisites This course is recommended for engineers with experience using Abaqus

About this Course

2 days

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Day 1

Lecture 1: Introduction to Heat Transfer

Lecture 2: Material Properties and Element Technology

Workshop 1: Reactor: Properties and Elements

Lecture 3: Thermal Analysis Procedures

Workshop 2: Reactor: Analysis Procedures

Lecture 4: Thermal Loads and Boundary Conditions

Workshop 3: Reactor: Loads and Boundary Conditions

Lecture 5: Thermal Interfaces

Workshop 4: Reactor: Thermal Contact and Analysis

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Day 2

Lecture 6: Thermal-Stress Analysis

Lecture 7: Sequentially Coupled Thermal-Stress Analysis

Workshop 5: Reactor: Stress Response

Lecture 8: Fully Coupled Thermal-Stress Analysis

Workshop 6: Disc Brake Analysis

Lecture 9: Adiabatic Analysis

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Additional Material

Appendix 1 Heat Transfer Theory

Appendix 2 Forced Convection

Workshop 7: Continuous Casting

Appendix 3 Cavity Radiation

Workshop 8: Radiation in a Finned Surface

Appendix 4 Thermal Fatigue

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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, 2012.

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 6.12 Release Notes and the notices at:

http://www.3ds.com/products/simulia/portfolio/product-os-commercial-programs.

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Revision Status

Lecture 1 5/12 Updated for 6.12

Lecture 2 5/12 Updated for 6.12

Lecture 3 5/12 Updated for 6.12

Lecture 4 5/12 Updated for 6.12

Lecture 5 5/12 Updated for 6.12

Lecture 6 5/12 Updated for 6.12

Lecture 7 5/12 Updated for 6.12

Lecture 8 5/12 Updated for 6.12

Lecture 9 5/12 Updated for 6.12

Appendix 1 5/12 Updated for 6.12

Appendix 2 5/12 Updated for 6.12

Appendix 3 5/12 Updated for 6.12

Appendix 4 5/12 Updated for 6.12

Workshop 1 5/12 Updated for 6.12

Workshop 2 5/12 Updated for 6.12

Workshop 3 5/12 Updated for 6.12

Workshop 4 5/12 Updated for 6.12

Workshop 5 5/12 Updated for 6.12

Workshop 6 5/12 Updated for 6.12

Workshop 7 5/12 Updated for 6.12

Workshop 8 5/12 Updated for 6.12

L1.1

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The following topics are covered in this lesson.

Lesson content:

Introduction to Heat Transfer

Lesson 1: Introduction to Heat Transfer

30 minutes

L1.2

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Here are the steps to be followed:

Introduction to Heat Transfer

1. Introduction

2. Heat Transfer Basics

3. Heat Transfer in Abaqus

4. Heat Transfer Features in Abaqus

5. Examples

L2.1

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The following topics are covered in this lesson.

Lesson content:

Material Properties and Element Technology

Workshop Preliminaries

Workshop 1: Reactor: Properties and Elements (IA)

Workshop 1: Reactor: Properties and Elements (KW)

Lesson 2: Material Properties and Element Technology

90 minutes

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L2.2

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Here are the steps to be followed:

Material Properties and Element Technology

1. Thermal Material Properties

2. Heat Transfer Element Library

L3.1

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The following topics are covered in this lesson.

Lesson content:

Thermal Analysis Procedures

Workshop 2: Reactor: Analysis Procedures (IA)

Workshop 2: Reactor: Analysis Procedures (KW)

Lesson 3: Thermal Analysis Procedures

90 minutes

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L3.2

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Here are the steps to be followed:

Thermal Analysis Procedures

1. Steady-State Analysis

2. Transient Analysis

3. Nonlinear Analysis

4. Output

L4.1

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The following topics are covered in this lesson.

Lesson content:

Thermal Boundary Conditions and Loads

Workshop 3: Reactor: Loads and Boundary Conditions (IA)

Workshop 3: Reactor: Loads and Boundary Conditions (KW)

Lesson 4: Thermal Boundary Conditions and Loads

90 minutes

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L4.2

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Here are the steps to be followed:

Thermal Boundary Conditions and Loads

1. Overview

2. Prescribed Temperatures

3. Prescribed Fluxes

4. Film Conditions

5. Radiation to the Ambient

6. Natural Boundary Condition

7. Initial Conditions

L5.1

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The following topics are covered in this lesson.

Lesson content:

Thermal Interfaces

Workshop 4: Reactor: Thermal Contact and Analysis (IA)

Workshop 4: Reactor: Thermal Contact and Analysis (KW)

Lesson 5: Thermal Interfaces

120 minutes

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L5.2

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Here are the steps to be followed:

Thermal Interfaces

1. Thermal "Contact"

2. Introduction: Heat Transfer Across

Interfaces

3. Thermal Interaction Usage

4. Gap Conduction

5. Gap Radiation

L6.1

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The following topics are covered in this lesson.

Lesson content:

Thermal-Stress Analysis

Lesson 6: Thermal-Stress Analysis

30 minutes

L6.2

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Here are the steps to be followed:

Thermal-Stress Analysis

1. Analogy Between Heat Transfer and

Stress Analysis

2. Thermal-Stress Procedures

3. Element Selection

L7.1

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The following topics are covered in this lesson.

Lesson content:

Sequentially-Coupled Thermal-Stress Analysis

Workshop 5: Reactor: Stress Response (IA)

Workshop 5: Reactor: Stress Response (KW)

Lesson 7: Sequentially-Coupled Thermal-Stress Analysis

2 hours

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L7.2

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Here are the steps to be followed:

Sequentially-Coupled Thermal-Stress Analysis

1. Sequentially Coupled Analysis

2. Thermal-Stress Modeling Considerations

a. Example

3. Methods for Assigning Temperature Data

a. Direct

b. User subroutine

c. Output database/results file

d. Mapped fields

4. Temperature Application for Solid Elements

5. Temperature Application for Shell Elements

6. Temperature Application for Beam Elements

7. Summary

L8.1

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The following topics are covered in this lesson.

Lesson content:

Fully Coupled Thermal-Stress Analysis

Workshop 6: Disc Brake Analysis (IA)

Workshop 6: Disc Brake Analysis (KW)

Lesson 8: Fully Coupled Thermal-Stress Analysis

2 hours

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

L8.2

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Here are the steps to be followed:

Fully Coupled Thermal-Stress Analysis

1. Full Temperature-Displacement

Coupling

2. Element Selection

3. Contact Interaction

4. Examples of Fully Coupled Analyses

5. Rigid Bodies in Thermal-Stress

Analysis

6. Heat Transfer Analysis with

Abaqus/Explicit

L9.1

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The following topics are covered in this lesson.

Lesson content:

Adiabatic Analysis

Lesson 9: Adiabatic Analysis

30 minutes

L9.2

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Here are the steps to be followed:

Adiabatic Analysis

1. Adiabatic Analysis

2. Adiabatic Analysis Examples

A1.1

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The following topics are covered in this lesson.

Lesson content:

Heat Transfer Theory

Appendix 1: Heat Transfer Theory

60 minutes

A1.2

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Here are the steps to be followed:

Heat Transfer Theory

1. Summary of Governing Equations for

Conduction

2. Constitutive Relation—Fourier's Law

3. Thermal Energy Balance—Differential

Form

4. Thermal Energy Balance—Equivalent

Variational Form

5. Finite Element Approximation

6. Transient Analysis

7. Eulerian Formulation for Convection

8. Thermal Radiation Formulation

9. Adiabatic Thermal-Stress Analysis

10. Nonlinear Solution Scheme

A2.1

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The following topics are covered in this lesson.

Lesson content:

Forced Convection

Workshop 7: Continuous Casting (IA)

Workshop 7: Continuous Casting (KW)

Appendix 2: Forced Convection

60 minutes

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

A2.2

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Here are the steps to be followed:

Forced Convection

1. Example: 1-D Convective Heat

Transfer

2. Stabilization

3. Convective/Diffusive Element Library

4. Abaqus Usage

A3.1

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The following topics are covered in this lesson.

Lesson content:

Cavity Radiation

Workshop 8: Radiation in a Finned Surface (IA)

Workshop 8: Radiation in a Finned Surface (KW)

Appendix 3: Cavity Radiation

3 hours

Both interactive (IA) and keywords (KW) versions

of the workshop are provided. Complete only one.

A3.2

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Here are the steps to be followed:

Cavity Radiation

1. Thermal Radiation

2. Cavity Radiation

3. Fully Implicit Cavity Radiation

Approach

4. Open vs. Closed Cavities

5. Cavity Radiation and Viewfactor

Calculations

6. Radiation Symmetry

7. Radiation Motion

8. Cavity Radiation Output

9. Approximate Cavity Radiation

Approach

A4.1

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The following topics are covered in this lesson.

Lesson content:

Thermal Fatigue

Appendix 4: Thermal Fatigue

30 minutes

A4.2

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Here are the steps to be followed:

Thermal Fatigue

1. Thermal Fatigue

2. Example