Abaqus: Modeling Contact with Abaqus/Standard
Participants are given a brief overview of the contact formulation and contact logic used in Abaqus/Standard.
OVERVIEW
CLASSROOM LENGTH: 2 days
INSTRUCTOR-LED ONLINE LENGTH: 4 days
PREREQUISITES: This course is recommended for simulation analysts or engineers with experience using Abaqus/ Standard
DESCRIPTION: Participants are given a brief overview of the contact formulation and contact logic used in Abaqus/Standard. The hands-on workshops provide ample opportunity to use the concepts developed in the lectures and to learn how to postprocess the results of a contact analysis.
LESSON PLAN
Lesson 1:
Introduction to Modeling Contact with Abaqus/Standard
- General consideration for contact
- Basics of surface based contact
- Contact examples and ingredients of a contact model
Lesson 2:
Contact Workflow
- Defining general contact
- Defining contact pairs
- Defining Surfaces
- Workshop preliminaries and Workshop 1: Compression of a Rubber Seal
Lesson 3:
Surface-based Contact
- Covers contact formulations
- Contact discretization
- Contact enforcement methods
- Relative sliding between bodies
- Contact output
- Workshop 2: Lap joint Analysis
Lesson 4:
Contact Logic and Diagnostic Tools
- Covers the Newton Method
- Contact algorithm
- Visual, text contact diagnostics
- Workshop 3: Bolted Flange Analysis
Lesson 5:
Contact Properties
- Covers the pressure-overclosure models
- Friction models
- Friction enforcement
- Workshop 4: Disk Forging Analysis
Lesson 6:
Interference Fits
- Covers inititial overclosure
- Strain-free adjustments
- Interference fit techniques for general contact and contact pairs
- Example
- Precise specification of clearances
- Geometric smoothing for curved surfaces
- Workshop 5: Interference Fit Analysis
- Workshop 6: Syringe Analysis
Lesson 7:
Additional Features
- Covers beam contact
- Tie constraints
- Rigid bodies and contact
- Analytical rigid surfaces
- Pre-tensioning of cross-sections
- Pressure penetration
- Contact in linear perturbation proceedures
- Initial stresses for contact
- Workshop 7: Pipe Reel Analysis
Lesson 8:
Modeling Tips
- Covers initial rigid body motion
- Over constraints
- Contact with quadratic elements
- Unsymmetric matrices in finite-sliding problems
- Dynamic instabilities
- Modeling corners and edges
- Workshop 8: Bolted Flange Analysis
- Workshop 9: Snap Fit Analysis
- Workshop 10: Analysis of a Radial Shaft Seal
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