Creo Simulate 3.0 Tutorial

Transcription

1 Creo Simulate 3.0 Tutorial Structure and Thermal Roger Toogood, Ph.D., P. Eng. SDC PUBLICATIONS Better Textbooks. Lower Prices.

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3 ix TABLE OF CONTENTS Preface Note to Instructors Organization and Synopsis of Tutorials Acknowledgments Table of Contents i iii iv vii ix Chapter 1 - Introduction to the Tutorials Overview of this Lesson Finite Element Analysis Examples of Problems Solved using Creo Simulate Example #1 : Stress Analysis Example #2 : Sensitivity Study Example #3 : Design Optimization Example #4 : Thermally Induced Stress FEA User Beware! Tips for using Creo Simulate Table 1-1 Common Mouse Functions Questions for Review Exercises Chapter 2 - Finite Element Modeling with Creo Simulate Overview of this Lesson Finite Element Analysis : An Introduction The FEA Model and General Processing Steps Steps in Preparing an FEA Model for Solution P-Elements versus H-Elements Convergence of H-elements (the classic approach) Convergence of P-elements (the Creo approach) Convergence and Accuracy in the Solution Sources of Error A CAD Model is NOT an FEA Model! Overview of Creo Simulate Basic Operation Modes of Operation TABLE An Overall View of Creo Capability and Function Types of Models Types of Elements Analysis Methods Convergence Methods Design Studies

4 x A Brief Note about Units TABLE Common unit systems in Creo Files and Directories Produced by Creo TABLE Some Files Produced by Creo On-line Documentation Process Guide Summary References Questions for Review Exercises Chapter 3 - Solid Models (Part 1) Overview of this Lesson Simple Static Analysis of a Solid Part Creating the Geometry of the Model Setting up the FEA Model Launching Creo Simulate Applying the Constraints Applying the Loads Specifying the Material Setting up the Analysis Running the Analysis Displaying the Results Creating Result Window Definitions Showing the Result Windows Simulation Features in the Model Tree Defining and Using Measures Reporting Measures using Annotations Using Measures to Monitor and Control Convergence Exploring the FEA Mesh and AutoGEM Summary Questions for Review Exercises Chapter 4 - Solid Models (Part 2) Overview of this Lesson Standard Design Studies Creating a Design Variable Sensitivity Design Studies Running the Sensitivity Study Displaying the Sensitivity Results Showing the Result Windows Optimization

5 Creating Design Variables Important Considerations for the Search Space Running the Optimization Design Study Optimization Results Considerations for Applying Loads and Constraints Using Excluded Elements Superposition and Multiple Load Sets Creating Multiple Load Sets Setting the Analysis for Multiple Load Sets Combining Results for Multiple Load Sets Summary Questions for Review Exercises xi Chapter 5 - Plane Stress and Plane Strain Models Overview of this Lesson Plane Stress Models Creating a Coordinate System Setting the Model Type Applying Loads and Constraints Defining Model Properties Setting up and Running the Analysis Viewing the Results Exploring Symmetry Setting Constraints and Loads Running the Symmetric Half-Model Plane Strain Models The Model Creating the Creo Part Creating Surface Regions Creating a Cylindrical Coordinate System Applying the Constraints Applying a Pressure Load Applying a Temperature Load Specifying Materials Running the Model Quick Check Analysis Multi-Pass Adaptive Analysis Viewing the Results Summary Questions for Review Exercises

6 xii Chapter 6 - Axisymmetric Solids and Shells Overview of this Lesson Axisymmetric Models Elements Loads Constraints Restrictions Axisymmetric Solids Creating the Model Setting the Model Type Applying Constraints Applying Loads Defining Material Properties Setting up and Running the Analysis Viewing the Results Exploring the Model Changing the Mesh with AutoGEM Changing the Mesh with Detailed Fillet Modeling More Methods for Controlling the Mesh Comparing to a Solid Model Axisymmetric Shells Creating the Model Setting the Model Type Defining Shell Properties Setting Constraints Setting a Centrifugal Load Running the Analysis View the Results Modifying the Model Running the Modified Model Pressure Loads on Axisymmetric Shells Summary Questions for Review Exercises Chapter 7 - Shell Models Overview of this Lesson Automatic Shell Creation (Model #1) Creating the Geometry Defining the Shells Assigning the Material Assigning the Constraints Assigning a Pressure Load Defining and Running the Analysis

7 Viewing the Results Exploring the Model Manual Shell Creation (Model #2) Creating the Model Defining Surface Pairs Examining the Mesh Completing the Model Running the Model Using Excluded Elements Mixed Solids and Shells (Model #3) Creating the Shells Defining the Constraints Defining a Bearing Load Running the Analysis Reviewing the Results Exploring the Thin Solid option Summary Questions for Review Exercises xiii Chapter 8 - Beams and Frames Overview of this Lesson Beam Coordinate Systems The Beam Action Coordinate System (BACS) The Beam Shape Coordinate System (BSCS) Example #1 - Basic Concepts The Model Geometry Beam Elements Completing the Model Constraints Loads Analysis and Results Deformation and Bending Stress Shear Force and Moment Diagrams Changing the Constraint Example #2 - Distributed Loads, Beam Releases The Model Beam Geometry Defining Beam Elements Completing the Model Constraints Distributed Loads Analysis and Results Result Windows

8 xiv Beam Releases Setting Releases Results with Beam Releases Example #3 - Frames Model A - 2D Frame Model Geometry Beam Elements Completing the Model Analysis and Results Model B - 3D Frame Modifying the Model Creating Beam Elements Completing the Model Analysis and Results Forced Displacement Constraint Converting a Frame to a Truss Summary Questions for Review Exercises Chapter 9 - Miscellaneous Topics Overview of this Lesson Cyclic Symmetry Model Geometry Cyclic Constraints Analysis and Results Springs and Masses Model Geometry Creating the Elements Analysis and Results Defining Measures Modal Analysis Setting up the Model Defining the Modal Analysis Modeling Interfaces in Assemblies Using Bonded Surfaces Creating Contact Regions Notes for Contact Analysis Summary Questions for Review Exercises

9 xv Chapter 10 - Thermal Models Overview of this Lesson Overview of Thermal Mode What can you do with Thermal? Why use Thermal? Material Properties Model Types and Idealizations More on Boundary Conditions More on Heat Loads A Note about Units Steady State Models D Solid Model D Plate Model Transient Analysis Thermally Induced Stresses Creating the Thermal Model Creating the Structure Model Summary Conclusion Questions for Review Exercises