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) Dynamic Analysis Using MSC.Patran and MSC.Nastran August 2005 NAS122 Workbook Part Number: NA*V2005*Z*Z*Z*SM-NAS122-WBK

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.Actran, MSC.ADAMS, MSC.Dytran, MSC.EASY5, MSC.FlightLoads, MSC.Fatigue, MSC.Marc, MSC.Marc Mentat, MSC.Nastran, MSC.Patran, MSC.Laminate Modeler, MSC.Mvision, MSC.Robust Design, SimDesigner, MSC.SimManager, MSC.SOFY, MSC.visualNastran Desktop, and MSC.visualNastran for Windows are all trademarks of MSC.Software Corporation. All other trademarks are the property of their respective owners. Copyright 2005 MSC.Software Corporation

3 TABLE OF CONTENTS WorkshopPage 1.0A Normal Modes Analysis…………………………………...…..………………………………1a-1 1.0B Normal Modes Analysis with Coarse Mesh………………….……………………………1b-1 1.0C Normal Modes Analysis with Fine Mesh………….……….………………………………1c Normal Modes Analysis of a 2 DOF Structure….…………………..……………………… Direct Transient Analysis….…………………..….………………………………………… Modal Transient Analysis…..……………………………..………………………………… Direct Frequency Response Analysis………………….…………………………………… Modal Frequency Response Analysis.………………...…………………………………… Direct Transient Response with Enforced Acceleration, Large Mass Method…....…… Direct Transient Response with Enforced Acceleration, Matrix Partition Approach….… Random Analysis using MSC.Random………………………..…………………………… A Modal Analysis of a Circuit Board…………………..………………………………………..10a B Frequency Response Analysis of a Circuit Board………..………………………………..10b Random Vibration Analysis of a Satellite Model Using MSC.Random……....………… A Normal Modes Analysis for Prestiffened Plate Model………………………………....…..12a B Modal Analysis for Prestiffened Turbine Blade at Different PRM………………………...12b A Modal Analysis of a Car Chassis………………..……………………………………………13a B Modal Analysis of a Car Chassis without Rigid Body Modes………………..……………13b-1

4 TABLE OF CONTENTS (continued) WorkshopPage 14.0A Modal Analysis of a Tower…...……………………………..………………………………..14a B Modal Analysis of a Tower with Soft Ground Connection…………………………..……..14b A Modal Analysis of Tuning Fork using Fine Mesh with Tet 10 Elements……...…………..15a B Modal Analysis of Tuning Fork using Coarse Mesh with Tet 10 Elements……..…...…..15b C Modal Analysis of Tuning Fork using Fine Mesh with Tet 4 Elements……….……….….15c D Modal Analysis of Tuning Fork using Coarse Mesh with Tet 4 Elements….…………….15d E Modal Analysis of Tuning Fork using 1D Elements……………………………………..….15e Modal Frequency Analysis of a Car Chassis…………...………………………………..… Direct Transient Analysis of a Car Chassis…………………………..…………………… Modal Transient Analysis of the Tower Model with Seismic Input….……………..….… Effective Mass……..……………………...…………………….…………………………… Calculate Response Spectra………………………………………………………………… Response Spectrum Analysis…………………………………………………………….…..21-1