MSC patran nastran 分析实例

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9.0
Case Study: Scuba Tank
Model Simplification Methods ………………………………………… ………………………………………… 9-6 Importing Geometry ………………………………………………………………………………………………. 9-11 Viewports ………………………………………………………………………………………………………….. 9-51 Mesh Density Control ……………………………………………………………………………………………. 9-64 Axisymmetric Elements ………………………………………………………………………………………….. 9-86
MSC.Software Corporation
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Tokyo, Japan Tel: 81-3-6911-1200 Fax: 81-3-6911-1201
4.0
Case Study: Stadium Arched Roof Truss
MSC.Nastran Element Library ………… ………………………………………………………………………... 4-5 The CROD Element ………………………………………………………………………………………………. 4-19 Post Processing CROD Results ………………………………………………………………………………… 4-48
TABLE OF CONTENTS
Section 1.0 Overview
Course Objectives ……………………………………………………………………………………………….. 1-3 What is MSC.Nastran? …………………………………………………………………………………………….1-4 What is MSC.Patran? …………………………………………………………………………………………….. 1-7 Case Study: Landing Gear Strut ………………………………………………………………………………… 1-10 Training and Support ………………………………………………………………………………………-800-732-7284 Fax: (714) 979-2990
Munich, Germany Tel: (+49)-89-43 19 87 0 Fax: (+49)-89-43 61 716
使用 MSC.Nastran 和 MSC.Patran进行 进行 线性静力和正则模态及屈曲分析
TABLE OF CONTENTS
Section 6.0 Case Study: Traffic Signal Pole
Material Properties …………………… …………………………………………………………………………...6-19 The CBEAM Element ………………………………………………………………………………………………6-30 Fields ……………………………………………………………………………………………………………….. 6-50 Post Processing CBEAM Results ……………………………………………………………………………….. 6-76
3.0
Basics of MSC.Nastran and MSC.Patran
Patran GUI …………………………………………………………………………………………………………..3-3 Patran-Nastran Workflow and Files ………………………………………………………………………………3-19 The Nastran Input File ……………………………………………………………………………………………. 3-22
TABLE OF CONTENTS
Section 10.0 Case Study: Car Design
Group and Lists …………………………………… ……………………………………………………………… 10-6 0-D Elements ………………………………………………………………………………………………………. 10-50 Rigid Body Elements ……………………………………………………………………………………………… 10-90
8.0
Case Study: Intercooler Structure
Solid Geometry ……………………………………………………………………………………………………..8-9 The CHEXA Element ………………………………………………………………………………………………8-14 Post Processing Solid Element Results ………………………………………………………………………… 8-34 Solid Elements …………………………………………………………………………………………………….. 8-68
5.0
Case Study: Space Station Truss
Introduction to Geometry ………………… ……………………………………………………………………… 5-3 Coordinate Systems ………………………………………………………………………………………………. 5-33 Grid Points …………………………………………………………………………………………………………. 5-45 The CBAR Element ………………………………………………………………………………………………. 5-64 Multiple Subcases ………………………………………………………………………………………………… 5-135 Post Processing CBAR Results …………………………………………………………………………………. 5-142
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2.0
Introduction to the Finite Element Method
Engineering Methods ……………………………………………………………………………………………... 2-3 What is the Finite Element Method ……………………………………………………………………………… 2-7 Key Concepts in FEM …………………………………………………………………………………………….. 2-22 FEM References ………………………………………………………………………………………………….. 2-48
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7.0
Case Study: Aircraft Wing Rib
Meshing … …………………………………………………………………………………………………………. 7-18 2-D Elements ………………………………………………………………………………………………………. 7-28 Single Point Constraints ………………………………………………………………………………………….. 7-54 Loads ……………………………………………………………………………………………………………….. 7-61 Element Distortion ………………………………………………………………………………………………… 7-119
NAS120 Course Notes
January 2005
Part Number: NA*V2005*Z*Z*Z*SM-NAS120-NT1
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, minate 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.
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