Substructures and Submodeling with Abaqus. About this Course

Transcription

1 Substructures and Submodeling with Abaqus R 6.12 About this Course Course objectives Upon completion of this course you will be able to: Understand the difference between substructuring and submodeling Build, translate, rotate and reflect substructures Build preloads into substructures Design meshes for submodel analysis Perform solid-to-solid, shell-to-shell, and shell-to-solid submodeling Targeted audience This course is recommended for engineers with experience using Abaqus/Standard. Prerequisites None 2 days

2 Day 1 Lecture 1: Introduction to Substructures Lecture 2: Using Static Substructuring in Abaqus Lecture 3: Substructuring as a Linear Perturbation about a Preloaded State Lecture 4: Dynamic Substructuring Lecture 5: Substructure Output Lecture 6: Workshop 1a: Workshop 1b: Substructuring Examples Substructures: Plane Frame Analysis Substructures: Surface Mount Analysis Lecture 7: Workshop 2: Using substructures with Abaqus/Explicit Substructures: Beam Impact (optional) Day 2 Lecture 8: Introduction to Submodeling Lecture 9: Submodeling in Abaqus Lecture 10: Abaqus Usage and Examples (Part 1) Workshop 3: Submodeling: Pressure Vessel Nozzle Analysis Lecture 11: Abaqus Usage and Examples (Part 2) Workshop 4: Submodeling: Ceramic-Metal Braze Joint Lecture 12: Submodeling Practices Lecture 13: Limitations of Submodeling

3 Additional Material Appendix 1: Theory of Substructures 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, 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:

4 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 Lecture 10 5/12 Updated for 6.12 Lecture 11 5/12 Updated for 6.12 Lecture 12 5/12 Updated for 6.12 Lecture 13 5/12 Updated for 6.12 Appendix 1 5/12 Updated for 6.12 Workshop 1a 5/12 Updated for 6.12 Workshop 1b 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

5 Lesson 1: Introduction to Substructures L1.1 Introduction to Substructures 30 minutes Introduction to Substructures L Why Substructuring? 2. Static Substructuring 3. Advantages of Substructuring 4. Procedures Supporting Substructures

6 Lesson 2: Using Static Substructuring in Abaqus L2.1 Using Static Substructuring in Abaqus 1 hour Using Static Substructuring in Abaqus L The Basics 2. Substructure Generation 3. Substructure Usage: Abaqus/CAE 4. Substructure Usage: Keywords 5. Substructure Load Cases 6. Substructure Gravity Loading 7. Kinematic Constraints in Substructures 8. Limitations

7 Lesson 3: Substructuring as a Linear Perturbation about a Preloaded State L3.1 Substructuring as a Linear Perturbation about a Preloaded State 30 minutes Substructuring as a Linear Perturbation about a Preloaded State L Introduction 2. Substructure Tangent Stiffness Calculation 3. Response Quantities 4. Effect of Preloads at the Usage Level 5. Preloading Syntax 6. Preloading Example: Rotating Structure

8 Lesson 4: Dynamic Substructuring L4.1 Dynamic Substructuring 45 minutes Dynamic Substructuring L Guyan Reduction 2. Dynamic Mode Addition 3. Damping with Substructures

9 Lesson 5: Substructure Output L5.1 Substructure Output 45 minutes Substructure Output L Introduction 2. Visualizing Substructure Results 3. Output of Eliminated Degrees of Freedom 4. Output of Substructure Matrices 5. Substructure Library Utilities

10 Lesson 6: Substructuring Examples L6.1 Substructuring Examples Workshop Preliminaries Workshop 1a: Substructures: Plane Frame Analysis (IA) Workshop 1a: Substructures: Plane Frame Analysis (KW) Workshop 1b: Substructures: Surface Mount Analysis (IA) Workshop 1b: Substructures: Surface Mount Analysis (KW) Both interactive (IA) and keywords (KW) versions of the workshops are provided. Complete only one for each workshop. 3 hours Substructuring Examples L Cyclic Symmetry 2. Multilevel Substructuring

11 Lesson 7: Using Substructures with Abaqus/Explicit L7.1 Using Substructures with Abaqus/Explicit Workshop 2: Substructures: Beam Impact (IA) Workshop 2: Substructures: Beam Impact (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 hours Using Substructures with Abaqus/Explicit L Introduction 2. Examples 3. General Concepts 4. Keyword Interface 5. Interactive Interface 6. Postprocessing 7. Technology Notes

12 Lesson 8: Introduction to Submodeling L8.1 Introduction to Submodeling 15 minutes Introduction to Submodeling L Concept of Submodeling 2. Motivation for Submodeling

13 Lesson 9: Submodeling in Abaqus L9.1 Submodeling in Abaqus 30 minutes Submodeling in Abaqus L Fundamental Assumptions 2. Submodeling Techniques 3. Node-based Implementation 4. Surface-based Implementation

14 Lesson 10: Abaqus Usage and Examples (Part 1) L10.1 Abaqus Usage and Examples (Part 1) Workshop 3: Submodeling: Pressure Vessel Nozzle Analysis (IA) Workshop 3: Submodeling: Pressure Vessel Nozzle Analysis (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Abaqus Usage and Examples (Part 1) L Terminology 2. Transfer of Data 3. Prescribed Values 4. Submodeling Workflow 5. Surface-Based Submodel Boundaries 6. Example: Conical Crack in a Half Space 7. Example: Pressure Vessel

15 Lesson 11: Abaqus Usage and Examples (Part 2) L11.1 Abaqus Usage and Examples (Part 2) Workshop 4: Submodeling: Ceramic-Metal Braze Joint (IA) Workshop 4: Submodeling: Ceramic-Metal Braze Joint (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 hours Abaqus Usage and Examples (Part 2) L Node-Based Submodel Boundaries 2. Example: Stacked Sheet Metal Assembly 3. Example: Large Displacement Analysis 4. Tolerances at the Submodel Boundary 5. Shell-to-Solid Submodeling 6. Example: Shell-to-Solid Submodel of a Pipe Joint

16 Lesson 12: Submodeling Practices L12.1 Submodeling Practices 1 hour Submodeling Practices L Perturbation Analysis 2. Changing Procedures 3. The Frequency Domain 4. Submodeling and Thermal Stress Analysis 5. Example: Thermal Strain in a Bar 6. Submodeling in Dynamic Procedures 7. Example: Speaker Diaphragm (1/7)

17 Lesson 13: Limitations of Submodeling L13.1 Limitations of Submodeling 15 minutes Limitations of Submodeling L Elements 2. Procedures 3. Shell-to-Solid

18 Appendix 1: Theory of Substructures A1.1 Theory of Substructures 15 minutes Theory of Substructures A Static Substructuring 2. Guyan Reduction 3. Restrained Mode Addition