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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. Hexagon assumes no liability or responsibility to any person or company for direct or indirect damages resulting from the use of any information contained herein.  \nUser Documentation: Copyright 􀂤 2022 Hexagon AB and/or its subsidiaries. All Rights Reserved.  \nThis 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 Hexagon is prohibited.  \nThis software may contain certain third-party software that is protected by copyright and licensed from Hexagon suppliers. Additional terms and conditions and/or notices may apply for certain third party software. Such additional third party software terms and conditions and/or notices may be set forth in documentation and/or at [http://www.mscsoftware.com/thirdpartysoftware](http://www.mscsoftware.com/thirdpartysoftware) (or successor website designated by Hexagon from time to time) .  \nPCGLSS 8.0, Copyright © 1992-2016, Computational Applications and System Integration Inc. All rights reserved. PCGLSS 8.0 is licensed from Computational Applications and System Integration Inc.  \nThe Hexagon logo, Hexagon, MSC Software logo, MSC, Dytran, Marc, MSC Nastran, Patran, e-Xstream, Digimat, and Simulating Reality are trademarks or registered trademarks of Hexagon AB and/or its subsidiaries in the United States and/or other countries. NASTRAN is a registered trademark of NASA. FLEXlm and FlexNet Publisher are trademarks or registered trademarks of Flexera Software. All other trademarks are the property of their respective owners.  \nUse, duplicate, or disclosure by the U.S. Government is subjected to restrictions as set forth in FAR 12.212 (Commercial Computer Software) and DFARS 227.7202 (Commercial Computer Software and Commercial Computer Software Documentation), as applicable.  \nU.S. Patent 9,361,413 March 14, 2022  \nNA:V2022.1:Z:Z:Z:DC-ROTOR-PDF  \nDocumentation Feedback  \nAt Hexagon Manufacturing Intelligence, we strive to produce the highest quality documentation and welcome your feedback. If you have comments or suggestions about our documentation, write to us at: [documentation-feedback@mscsoftware.com](documentation-feedback@mscsoftware.com).  \nPlease include the following information with your feedback:  \n􀂄 Document name  \n􀂄 Release/Version number  \n􀂄 Chapter/Section name  \n􀂄 Topic title (for Online Help)  \n􀂄 Brief description of the content (for example, incomplete/incorrect information, grammatical errors, information that requires clarification or more details and so on) .  \n􀂄 Your suggestions for correcting/improving documentation  \nYou may also provide ","cbCaivH6ZowARIja","https://ap.wps.com/l/cbCaivH6ZowARIja","pdf",16828291,304,"English","# Preface\n## About this Book\n## Organization\n## Developments Introduced\n## List of MSC Nastran Guides\n## Technical Support\n## Training and Internet Resources\n# Introduction\n## Introduction to Rotordynamics\n## Need for Rotordynamic analysis\n## Sources of Vibration\n## Basic Concepts of Rotordynamics\n## Reference frame\n## Rotor Symmetry\n## Rotor Unbalance\n## Whirl of Simple Rotor\n## Stability\n## Asynchronous Analysis\n## Synchronous Analysis","[{\"question\":\"How does the guide approach asynchronous and synchronous analysis?\",\"answer\":\"It presents separate sections for asynchronous analysis and synchronous analysis, highlighting the distinction between these analysis types.\"}]","MSC Nastran - Rotordynamics User’s Guide - Americas | PDF",766]