MSC.Software Corporation 2 MacArthur Place Santa Ana, CA 92707, USA Tel: (714) 540-8900 Fax: (714) 784-4056 Web: United States. - презентация

1 MSC.Software Corporation 2 MacArthur Place Santa Ana, CA 92707, USA Tel: (714) Fax: (714) Web: United States MSC.Patran Support Tel: Fax: (714) Tokyo, Japan Tel: Fax: Munich, Germany Tel: (+49) Fax: (+49) Durability and Fatigue Life Analysis Using MSC.Fatigue March 2005 PAT318 Course Notes P/N P3*V2005*Z*Z*Z*SM-PAT318-NT1

2 DISCLAIMER MSC.Software Corporation reserves the right to make changes in specifications and other information contained in this document without prior notice. The concepts, methods, and examples presented in this text are for illustrative and educational purposes only, and are not intended to be exhaustive or to apply to any particular engineering problem or design. MSC.Software Corporation assumes no liability or responsibility to any person or company for direct or indirect damages resulting from the use of any information contained herein. User Documentation: Copyright 2005 MSC.Software Corporation. Printed in U.S.A. All Rights Reserved. This notice shall be marked on any reproduction of this documentation, in whole or in part. Any reproduction or distribution of this document, in whole or in part, without the prior written consent of MSC.Software Corporation is prohibited. MSC and MSC. are registered trademarks and service marks of MSC.Software Corporation. NASTRAN is a registered trademark of the National Aeronautics and Space Administration. MSC.Nastran is an enhanced proprietary version developed and maintained by MSC.Software Corporation. MSC.Marc, MSC.Marc Mentat, MSC.Dytran, MSC.Patran, MSC.Fatigue, MSC.Laminate Modeler, and MSC.MVision are all trademarks of MSC.Software Corporation. All other trademarks are the property of their respective owners. PAT318 Course Director:

3 COURSE OUTLINE DAY 1 Overview of Durability and Fatigue Life Analysis Overview of MSC.Fatigue MSC.Fatigue User Interface Overview of Patran STRESS-LIFE (S-N) Theory Workshop 1 – A Simple S-N Analysis Workshop 2 – Rainflow Cycle Counting DAY 2 Geometric Modeling Meshing Viewing and Display Groups Component S-N Analysis STRAIN-LIFE (E-N) Theory Workshop 3 – Component S-N Analysis Workshop 4 – A Simple E-N Analysis

4 COURSE OUTLINE DAY 3 Materials Element Properties Analysis Setup Lists Fatigue Crack Propagation Workshop 5 – Multiaxial Assessment Workshop 6 – Life Estimate with Multiaxial Methods Workshop 7 – Introduction to Crack Growth DAY 4 Results Fatigue of Welded Structures Software Strain Gauge Vibration Fatigue MSC.Fatigue Utilities Miscellaneous Features and Files Workshop 8 – Fatigue Analysis with Spotwelds Workshop 9 – Software Strain Gauge Workshop 10 -Vibration Fatigue

5 TABLE OF CONTENTS TopicsPage Overview of Durability and Fatigue Life Analysis …………………..………………..... …… … 1-1 Overview of MSC.Fatigue ……………………………..……………...……………………….. …2-1 MSC.Fatigue User Interface.……………………….…….……….………………... … …… ….3-1 Overview of Patran ………………….…. ………………………………… … … … … … ……. 4-1 Geometric Modeling ………………….…. ………………………………… … … … … … ……5-1 Meshing ………………….…. ………………………………… … … … … … … … … … … …6-1 Viewing and Display ………………….…. ………………………………… … … … … … ……7-1 Groups ………………….…. ………………………………… … … … … … …… … … …… Materials ………………….…. ………………………………… … … … … … … … … ……..9-1 Element Properties………………….…. ……………………………… … … …… … … …… Analysis Setup ………………….…. ………………………………… … … … … … ………… Lists ………………….…. ………………………………… … … … … … …… … …. … … … Viewports … … … … … ………………………………… … … … … … …… … …. … … … Results ………………………………… … … … … … …… … … … … … … … … … … …… MSC.Patran Files………………….…. ………………………………… … … … … … ………

6 TABLE OF CONTENTS (Cont.) TopicsPage Stress-Life (S-N) Theory ………………….…. ………………………………… … … …… … … 16-1 Strain-Life (E-N) Theory…….……………. … … … … … … … … … … … … … …… … … Multiaxial Fatigue …… … … … … … … … … … … … … … … … … … … … … …… … Fatigue Crack Propagation … … … … … … … … … … … … … … … … … … …… … ….19-1 Fatigue of Welded Structures ………………………………………………………………… ….20-1 MSC.Fatigue Software Strain Gauge …………………..………………… … … … … … …….21-1 Vibration Fatigue Analysis …………………..………………… … … … … … … … … … … MSC.Fatigue Utilities ….……………………………………………………..….. … … … …… Miscellaneous Features …………………….…………………….….………………… … … …..24-1