Automotive NVH with Abaqus. About this Course

Transcription

1 Automotive NVH with Abaqus R 6.12 About this Course Course objectives Upon completion of this course you will be able to: Perform natural frequency extractions Perform sound radiation analyses (acoustics) Include nonlinear preloading effects in your NVH simulations Perform Brake squeal analyses Create constraints and connections for Automotive NVH models Use substructuring techniques to run your NVH simulations more efficiently Perform advanced NVH postprocessing (via plug-ins) Targeted audience This course is recommended for engineers with experience using Abaqus. Prerequisites None 3 days

2 Day 1 Lecture 1 Automotive NVH Overview Lecture 2 Workshop 1 Modal Analysis Modal Analysis of a Control Arm Lecture 3 Workshop 2 Steady-State Dynamics Steady State Dynamic Analysis of a Control Arm Lecture 4 Modal Transient Response Day 2 Lecture 5 Constraints and Interactions: Part 1 Lecture 6 Constraints and Interactions: Part 2 Workshop 3 Constraints and Interactions for a Control Arm Lecture 7 Workshop 4 Substructures Using Substructures to Model a Pick-up Truck Lecture 8 Workshop 5 Base Motion Excitation Base Motion of a Pick-up Truck

3 Day 3 Lecture 9 Workshop 6 Coupled Structural-Acoustic Analysis Coupled Structural-Acoustic Analysis of a Truck Lecture 10 Workshop 7 Brake Squeal Analysis Brake Squeal Analysis Additional Material Appendix 1 Introduction to Modeling with Abaqus Appendix 2 Migrating from Nastran to Abaqus: Part 1 Appendix 3 Migrating from Nastran to Abaqus: Part 2 Workshop 8 Nastran Translation: Control Arm Model Appendix 4 Abaqus-EXCITE Workflow

4 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: 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 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 New 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

5 Lesson 1: Automotive NVH Overview L1.1 Automotive NVH Overview 1 hour Automotive NVH Overview L From Component to Full Vehicle NVH 3. Example Analyses 4. Abaqus NVH Functionality 5. Summary

6 Lesson 2: Modal Analysis L2.1 Modal Analysis Workshop Preliminaries Workshop 1: Modal Analysis of a Control Arm (IA) Workshop 1: Modal Analysis of a Control Arm (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 1/2 hours Modal Analysis L Problem Formulation 2. Eigenvalue Solution Methods 3. Example: Engine Block Frequency Extraction 4. Frequency Output 5. Frequencies of Preloaded Structures 6. Residual Modes

7 Lesson 3: Steady-State Dynamics L3.1 Steady-State Dynamics Workshop 2: Steady State Dynamic Analysis of a Control Arm (IA) Workshop 2: Steady State Dynamic Analysis of a Control Arm (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Steady-State Dynamics L Damping 3. Steady-State Dynamics Solution Procedures 4. Excitation and Output 5. Mobility 6. Steady-State Dynamics Usage Example 7. Examples

8 Lesson 4: Modal Transient Response L4.1 Modal Transient Response 45 minutes Modal Transient Response L Excitation 3. Output 4. Examples

9 Lesson 5: Constraints and Interactions: Part 1 L5.1 Constraints and Interactions: Part 1 1 hour Constraints and Interactions: Part 1 L Rigid Bodies 3. Surface-Based Coupling Constraints 4. Surface-Based Tie Constraints 5. Contact Interactions 6. Automatic Contact Pair Detection

10 Lesson 6: Constraints and Interactions: Part 2 L6.1 Constraints and Interactions: Part 2 Workshop 3: Constraints and Interactions for a Control Arm (IA) Workshop 3: Constraints and Interactions for a Control Arm (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Constraints and Interactions: Part 2 L Multi-Point Constraints 2. Connector Elements 3. Mesh-Independent Fasteners

11 Lesson 7: Substructures L7.1 Substructures Workshop 4: Using Substructures to Model a Pick-up Truck (IA) Workshop 4: Using Substructures to Model a Pick-up Truck (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Substructures L Substructure Modeling 3. Preloading Substructures 4. Dynamic Substructuring 5. Substructure Output 6. Substructuring Example: Rolling Tires

12 Lesson 8: Base Motion Excitation L8.1 Base Motion Excitation Workshop 5: Base Motion of a Pick-up Truck (IA) Workshop 5: Base Motion of a Pick-up Truck (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 hours Base Motion Excitation L Primary Base Motion 3. Secondary Base Motion 4. Usage 5. Example

13 Lesson 9: Coupled Structural-Acoustic Analysis L9.1 Coupled Structural-Acoustic Analysis Workshop 6: Coupled Structural-Acoustic Analysis of a Truck (IA) Workshop 6: Coupled Structural-Acoustic Analysis of a Truck (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Coupled Structural-Acoustic Analysis L Coupled Structural-Acoustics Modeling 3. Analysis Procedures 4. Element Size 5. Acoustic Infinite Elements 6. Impedance 7. Output 8. Estimate Acoustic Radiation

14 Lesson 10: Brake Squeal Analysis L10.1 Brake Squeal Analysis Workshop 7: Brake Squeal Analysis (IA) Workshop 7: Brake Squeal Analysis (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 ½ hours Brake Squeal Analysis L Complex Eigenvalue Extraction 3. Verifying Brake Squeal Simulations 4. Examples 5. Transient Dynamics 6. References

15 Appendix 1: Introduction to Modeling with Abaqus A1.1 Introduction to Modeling with Abaqus 1 hour Introduction to Modeling with Abaqus A Abaqus Conventions 2. Details of an Abaqus Input File 3. Overview of Abaqus/CAE 4. Starting Abaqus/CAE 5. Orphan Mesh Import 6. Example

16 Appendix 2: Migrating from Nastran to Abaqus: Part 1 A2.1 Migrating from Nastran to Abaqus: Part 1 75 minutes Migrating from Nastran to Abaqus: Part 1 A Nastran and Abaqus Input Comparison 3. Translator from Nastran to Abaqus 4. Solution Procedure Translation 5. Validating a Translated Model

17 Appendix 3: Migrating from Nastran to Abaqus: Part 2 A3.1 Migrating from Nastran to Abaqus: Part 2 Workshop 8: Nastran Translation: Control Arm Model (IA) Workshop 8: Nastran Translation: Control Arm Model (KW) Both interactive (IA) and keywords (KW) versions of the workshop are provided. Complete only one. 2 hours Migrating from Nastran to Abaqus: Part 2 A Modeling Differences Between Abaqus and Nastran 2. Element Differences Between Abaqus and Nastran 3. Interface Differences Between Abaqus and Nastran 4. Translation Troubleshooting

18 Appendix 4: Abaqus-EXCITE Workflow A4.1 Abaqus-EXCITE Workflow 45 minutes Abaqus-EXCITE Workflow A Abaqus-EXCITE Workflow 3. Abaqus-EXCITE-Abaqus Workflow