ANSYS Mechanical APDL for Finite Element Analysis

ANSYS Mechanical APDL for Finite Element Analysis
Mary Kathryn Thompson, PhD
John M. Thompson, PhD, PE
Chapter 1
Introduction to ANSYS and Finite
Element Modeling
Suggested Reading Assignments:
None
CHAPTER OUTLINE
1.1 What Is the Finite Element Method?
1.2 Why Use the Finite Element Method?
1.3 Basic Procedure for Finite Element Analysis
1.4 Engineering Software—Not an Engineer
1.5 A Brief History of ANSYS and Finite Element Analysis
1.6 ANSYS Today*
1.7 ANSYS Licensing
1.8 Functionality and Features of the ANSYS Mechanical APDL Family
1.9 ANSYS: Backward Compatibility and Legacy Code
Chapter 2
Interacting with ANSYS
Suggested Reading Assignments:
Mechanical APDL Operations Guide: Chapters 2
4
Mechanical APDL Command Reference: Chapters 1
3
CHAPTER OUTLINE
2.1 ANSYS Simulation Environments
2.2 Communicating with ANSYS
2.3 How ANSYS Communicates with You
2.4 ANSYS Program Structure
2.5 ANSYS File Structure
2.6 Saving Files and Results in ANSYS
2.7 Where is the Undo Button?
2.8 How Do You Specify Units?
2.9 Where to Find Help: The ANSYS Documentation
2.10 Where to Get Extra Help: ANSYS Technical Support
Chapter 3
Creating and Importing Geometry
Suggested Reading Assignments:
Mechanical APDL Modeling and Meshing Guide: Chapters 1, 2, 3, 4, 5, 6, and 9
CHAPTER OUTLINE
3.1 Considerations for Model Geometry
3.2 Creating Model Geometry
3.3 Boolean Operations
3.4 Deleting Solid Model Geometry
3.5 Importing Solid Model Geometry
3.6 Coordinate Systems
3.7 The Working Plane
3.8 Solid Model Viewing
Chapter 4
Elements and Element Input
Suggested Reading Assignments:
Mechanical APDL Element Reference: Chapter 2, Sections 2.1
2.5
Mechanical APDL Element Reference: Chapter 3, Section 3.1
Mechanical APDL Basic Analysis Guide: Chapter 1, Sections 1.1.2 and 1.1.3
Mechanical APDL Modeling and Meshing Guide: Chapter 2, Section 2.2
CHAPTER OUTLINE
4.1 Element Classification in ANSYS
4.2 The ANSYS Element Library
4.3 Element Properties
4.4 ANSYS Element Families
4.5 Product Codes and Product Restrictions
4.6 Choosing an Element
4.7 Defining Element Types
4.8 Deleting Element Types
4.9 Defining Real Constants
4.10 Defining Sections
Chapter 5
Defining Material Properties
Suggested Reading Assignments:
Mechanical APDL Basic Analysis Guide: Chapter 1 Section 1.1.4
Mechanical APDL Material Reference: Chapters 3 and 4
CHAPTER OUTLINE
5.1 What are Material Models?
5.2 Material Models in ANSYS
5.3 Defining Material Properties
5.4 Choosing Which Material Properties to Define
5.5 Finding Material Property Data
5.6 Potential Pitfalls Associated with Material Property Evaluation in ANSYS
5.7 Saving Material Properties
Chapter 6
Meshing
Suggested Reading Assignments:
Mechanical APDL Modeling and Meshing Guide: Chapter 2 Section 2.6
Mechanical APDL Modeling and Meshing Guide: Chapter 7
Mechanical APDL Modeling and Meshing Guide: Chapter 8 Sections 8.1 and 8.4
CHAPTER OUTLINE
6.1 Meshing Overview
6.2 Element Attributes
6.3 Mesh Controls
6.4 Generating a Mesh
6.5 Mapped Meshing
6.6 Copying and Extruding a Mesh
6.7 Defining the Quality of a Mesh
6.8 Determining the Quality of a Mesh
6.9 Modifying and Regenerating a Mesh
Chapter 7
Selecting Entities
Suggested Reading Assignments:
Mechanical APDL Basic Analysis Guide: Chapter 8
Mechanical APDL Operations Guide: Chapter 5
CHAPTER OUTLINE
7.1 Specifying Entities in ANSYS
7.2 Selection Overview
7.3 Selecting Entities in ANSYS
7.4 The Picker
7.5 Picker Commands
Chapter 8
Solution
Suggested Reading Assignments:
Mechanical APDL Basic Analysis Guide: Chapters 2 and 4
CHAPTER OUTLINE
8.1 Defining “Solution”
8.2 Boundary Condition Overview
8.3 Boundary Conditions in ANSYS
8.4 Applying Boundary Conditions
8.5 Potential Pitfalls Associated with Applying Boundary Conditions in ANSYS
8.6 Initial Conditions in ANSYS
8.7 Solution Options
8.8 Initiating a Solution
8.9 During Solution
8.10 After Solution
Chapter 9
Postprocessing
Suggested Reading Assignments:
Mechanical APDL Basic Analysis Guide: Chapters 5
7
Mechanical APDL Basic Analysis Guide: Chapter 8 Section 8.2
Mechanical APDL Basic Analysis Guide: Chapter 11
Mechanical APDL Modeling and Meshing Guide: Chapter 3 Sections 3.3
3.5
Mechanical APDL Element Reference: Chapter 3 Sections 3.2
3.3
CHAPTER OUTLINE
9.1 Postprocessing Overview
9.2 Types of Results
9.3 Available Results
9.4 Accessing Results From the Output File
9.5 Accessing Results From the Results File
9.6 Results Coordinate Systems
9.7 Full Graphics vs PowerGraphics
9.8 Displaying and Viewing Results
9.9 Postprocessing With Load Case Combinations
9.10 Saving Postprocessing Graphics and Information
9.11 Model Verification and Validation
Chapter 10
Input Files
Suggested Reading Assignments:
Mechanical APDL Operations Guide: Chapter 7
CHAPTER OUTLINE
10.1 Approaches to Writing Input Files
10.2 Tools for Writing and Debugging Input Files
10.3 Accessing the Log File
10.4 Common Features of GUI-Generated Log Files
10.5 Guidelines for the Sequential Method
10.6 Debugging an Input File
10.7 Documenting Your Work
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