Patran Users Guide
Preface
Introduction
Virtual Product Development
VPD and Simulation Software
Interfacing with CAD and Vertical Applications
A First Look at Patran
Task Interface
Tools and Applications
Data Management
A Link to Other Software
Profile of a Simulation Project
Simulation Tasks and Patran
The Sequence of Tasks
A Case Study of an Annular Plate
Problem Description
Conceptual Model
Theoretical Solution
Case Study Task Outline
Analysis Procedure
Fundamentals
Starting and Exiting Patran
A Tour of the Patran Interface
How to Get Things Done
Working with Viewports
The Menu Bar
Application Buttons and Application Forms
Application Forms
The Toolbar
System Functions
Mouse Functions
Viewing Functions
Display Functions
Home (Windows only)
Heartbeat
Command Line and History List Area
Picking and Selecting
The Database
Creating a Database
Specifying Model Parameters
Global Model Tolerance Definition
Analysis Code and Analysis Type
Importing CAD Models
Import Options
Geometry Modeling
Overview of Geometry
Options for Starting the Geometry Model
Model Building Tasks
Basic Concepts and Definitions
Parametric Space and Connectivity
Connectivity
Geometric Entities
Subentities
Creating Geometry
Using the Geometry Application Form
Sample Geometry Form
Creating Trimmed Surfaces
Creating B-Rep Solids
Working with Imported CAD Models
Remove Excess Detail
Add Missing Surfaces
Repair Incomplete Entities
Checking the Geometry
Ensuring Topological Congruency
Avoiding Small Angles at Surface Corners
Verifying and Aligning Surface Normals
Additional Considerations
A Case Study of a Lug
Problem Description
Conceptual Model
Analysis Procedure
Finite Element Meshing
Overview of Meshing
Finite Element Modeling Capabilities
Basic Concepts and Definitions
A Look at Finite Element Types
Mesh Generation Techniques
IsoMesh
Paver
Auto TetMesh
2-1/2D Meshing
Mesh Density
Mesh Seeds
Adjacent Meshes
Global Edge Length
Equivalencing
Optimizing
Creating a Finite Element Model
The Finite Element Application Form
Sample Finite Element Forms and Subforms
IsoMesh Parameters Subordinate Form
Sample Create/Mesh Seed/Two Way Bias
Direct Finite Element Modeling
Checking the Finite Element Model
Element Shape Tests
Other Element Tests
Options When Tests Fail
Material Modeling
Overview of Materials
Basic Concepts and Definitions
Homogenous, Composite, and Constitutive Material Models
Material Property Definitions
Creating Material Property Models
The Materials Application Form
Sample Materials Forms
Checking the Material Model
Loads and Boundary Conditions
Overview of Forces and Loads
The Fields and Load Cases Applications
Basic Concepts and Definitions
Analysis Types and LBCs
Load Cases
Fields
Applying Loads and Boundary Conditions
The LBCs Application Form
Sample LBCs Forms
Defining Load Cases
The Load Cases Application Form
Sample Load Cases Form
Using Fields
The Fields Application Form
Sample Fields Form
Verifying Your LBC Model
Plot Markers
Plot Contours
Show Load/BC Data in Table Format
A Case Study of a Coffee Cup
Problem Description
Analysis Procedure
Element Properties
Overview of Element Properties
Basic Concepts and Definitions
Element Types
Beam Modeling and the Beam Library
Element Combinations
Assigning Element Property Sets to the Model
Effect of Changing Analysis Code or Type
Element Property Types, Names, and Numbers
Element Property Fields
Creating Element Properties
The Element Properties Application Form
Sample Element Properties Form
Sample Input Properties Subform
Running an Analysis
Overview of the Analysis
Brief Overview of Analysis Steps
Basic Concepts and Definitions
Analysis Codes
Application Preferences
Solution Types
Desired Results
Setting Up the Analysis
The Analysis Application Form
Sample MSC Nastran Analysis Application Form
Running the Analysis
.Monitoring the Analysis
Retrieving the Analysis Results
Verifying the Analysis
How to Resolve Results Problems
Postprocessing Results
Overview of Results
Basic Concepts and Definitions
Types of Analysis Results
Result Cases
Graphical Displays of Result
Postprocessing Results
The Results Application Form
Sample Basic Quick Plot Results Display
Sample Deformation Plot
Using Other Results Display Options
Patran Users Guide
Postprocessing Results