ansys book 1-1

Download Ansys Book 1-1

Post on 04-Apr-2015

428 views

Category:

Documents

16 download

Embed Size (px)

DESCRIPTION

ansys text book

TRANSCRIPT

ANSYS Structural Analysis GuideANSYS Release 9.0

002114 November 2004

ANSYS, Inc. is a UL registered ISO 9001: 2000 Company.

ANSYS Structural Analysis GuideANSYS Release 9.0

ANSYS, Inc. Southpointe 275 Technology Drive Canonsburg, PA 15317 ansysinfo@ansys.com http://www.ansys.com (T) 724-746-3304 (F) 724-514-9494

Copyright and Trademark InformationCopyright 2004 SAS IP, Inc. All rights reserved. Unauthorized use, distribution or duplication is prohibited. ANSYS, DesignSpace, CFX, DesignModeler, DesignXplorer, ANSYS Workbench environment, AI*Environment, CADOE and any and all ANSYS, Inc. product names referenced on any media, manual or the like, are registered trademarks or trademarks of subsidiaries of ANSYS, Inc. located in the United States or other countries. ICEM CFD is a trademark licensed by ANSYS, Inc. All other trademarks and registered trademarks are property of their respective owners. ANSYS, Inc. is a UL registered ISO 9001: 2000 Company. ANSYS Inc. products may contain U.S. Patent No. 6,055,541. Microsoft, Windows, Windows 2000 and Windows XP are registered trademarks of Microsoft Corporation. Inventor and Mechanical Desktop are registered trademarks of Autodesk, Inc. SolidWorks is a registered trademark of SolidWorks Corporation. Pro/ENGINEER is a registered trademark of Parametric Technology Corporation. Unigraphics, Solid Edge and Parasolid are registered trademarks of Electronic Data Systems Corporation (EDS). ACIS and ACIS Geometric Modeler are registered trademarks of Spatial Technology, Inc. FLEXlm License Manager is a trademark of Macrovision Corporation. This ANSYS, Inc. software product and program documentation is ANSYS Confidential Information and are furnished by ANSYS, Inc. under an ANSYS software license agreement that contains provisions concerning non-disclosure, copying, length and nature of use, warranties, disclaimers and remedies, and other provisions. The Program and Documentation may be used or copied only in accordance with the terms of that license agreement. See the ANSYS, Inc. online documentation or the ANSYS, Inc. documentation CD for the complete Legal Notice. If this is a copy of a document published by and reproduced with the permission of ANSYS, Inc., it might not reflect the organization or physical appearance of the original. ANSYS, Inc. is not liable for any errors or omissions introduced by the copying process. Such errors are the responsibility of the party providing the copy.

Table of Contents1. Overview of Structural Analyses ......................................................................................................... 11 1.1. Definition of Structural Analysis .................................................................................................... 11 1.2. Types of Structural Analysis ........................................................................................................... 11 1.3. Elements Used in Structural Analyses ............................................................................................ 12 1.4. Material Model Interface ............................................................................................................... 12 1.5. Types of Solution Methods ............................................................................................................ 12 2. Structural Static Analysis .................................................................................................................... 21 2.1. Definition of Static Analysis ........................................................................................................... 21 2.2. Linear vs. Nonlinear Static Analyses ............................................................................................... 21 2.3. Performing a Static Analysis .......................................................................................................... 21 2.3.1. Build the Model ................................................................................................................... 21 2.3.1.1. Points to Remember .................................................................................................... 21 2.3.2. Set Solution Controls ............................................................................................................ 22 2.3.2.1. Access the Solution Controls Dialog Box ...................................................................... 22 2.3.2.2. Using the Basic Tab ..................................................................................................... 22 2.3.2.3. The Transient Tab ........................................................................................................ 23 2.3.2.4. Using the Sol'n Options Tab ......................................................................................... 24 2.3.2.5. Using the Nonlinear Tab .............................................................................................. 24 2.3.2.6. Using the Advanced NL Tab ......................................................................................... 25 2.3.3. Set Additional Solution Options ........................................................................................... 25 2.3.3.1. Stress Stiffening Effects ................................................................................................ 25 2.3.3.2. Newton-Raphson Option ............................................................................................. 26 2.3.3.3. Prestress Effects Calculation ......................................................................................... 26 2.3.3.4. Mass Matrix Formulation ............................................................................................. 26 2.3.3.5. Reference Temperature ............................................................................................... 27 2.3.3.6. Mode Number ............................................................................................................. 27 2.3.3.7. Creep Criteria .............................................................................................................. 27 2.3.3.8. Printed Output ............................................................................................................ 27 2.3.3.9. Extrapolation of Results ............................................................................................... 27 2.3.4. Apply the Loads ................................................................................................................... 27 2.3.4.1. Load Types .................................................................................................................. 27 2.3.4.1.1. Displacements (UX, UY, UZ, ROTX, ROTY, ROTZ) ................................................... 27 2.3.4.1.2. Forces (FX, FY, FZ) and Moments (MX, MY, MZ) .................................................... 27 2.3.4.1.3. Pressures (PRES) .................................................................................................. 28 2.3.4.1.4. Temperatures (TEMP) .......................................................................................... 28 2.3.4.1.5. Fluences (FLUE) .................................................................................................. 28 2.3.4.1.6. Gravity, Spinning, Etc. ......................................................................................... 28 2.3.4.2. Apply Loads to the Model ............................................................................................ 28 2.3.4.2.1. Applying Loads Using TABLE Type Array Parameters ........................................... 28 2.3.4.3. Calculating Inertia Relief .............................................................................................. 29 2.3.4.3.1. Inertia Relief Output ............................................................................................ 29 2.3.4.3.2. Partial Inertia Relief Calculations .......................................................................... 29 2.3.4.3.3. Using a Macro to Perform Inertia Relief Calculations ........................................... 210 2.3.5. Solve the Analysis .............................................................................................................. 210 2.3.6. Review the Results ............................................................................................................. 210 2.3.6.1. Postprocessors .......................................................................................................... 211 2.3.6.2. Points to Remember .................................................................................................. 211 2.3.6.3. Reviewing Results Data .............................................................................................. 211 2.3.6.4. Typical Postprocessing Operations ............................................................................. 211 2.4. A Sample Static Analysis (GUI Method) ........................................................................................ 213ANSYS Structural Analysis Guide . ANSYS Release 9.0 . 002114 . SAS IP, Inc.

ANSYS Structural Analysis Guide 2.4.1. Problem Description .......................................................................................................... 213 2.4.2. Problem Specifications ....................................................................................................... 213 2.4.3. Problem Sketch .................................................................................................................. 214 2.4.3.1. Set the Analysis Title .................................................................................................. 214 2.4.3.2. Set the System of Units .............................................................................................. 214 2.4.3

Recommended

View more >