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Dassault Systemes India Private LimitedASV N Ramanas Tower, 10th
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Contact and Convergence with Abaqus/StandardDay 1
Lecture 1 Introduction to Nonlinear FEA
1 What is Convergence?
2 When is a problem Nonlinear?
3 Properties of Linear Problems in Mechanics
4 Properties of Nonlinear Problems in Mechanics
5 Numerical Techniques for Solving Nonlinear Problems
Lecture 2 Nonlinear FEA with Abaqus/Standard
1 Equilibrium Revisited
2 Nonlinear Solution Methods
3 Abaqus/Standard Convergence Criteria:An Overview
4 Automatic Time Incrementation
5 Quasi-Newton Method
Lecture 3 Why Abaqus Fails to Find a Converged Solution
1 The Basic Problems
2 Understanding the Warning Messages
3 Helping Abaqus Find a Converged Solution
4 Common Errors and Warnings
Lecture 4 Solution of Unstable Problems
1 Unstable Quasi-static Problems
2 Globally Unstable Problems
3 Locally Unstable Problems
4 Automated Viscous Damping
5 Implicit Dynamics
6 Examples
Lecture 5 Convergence Problems: Element Behavior
Hourglassing
Bending
Incompressible Materials
Improved Surface Stress Visualization
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Day 2
Lecture 6 Convergence Problems: Constraints and Loading
1 General Remarks
2 Overconstraints Detected in the Analysis Preprocessor
3 Overconstraints Detected/Resolved During the Analysis
4 Controlling Overconstraints Checks
5 Example: Multibody Mechanism
Lecture 7 Introduction to Contact Analysis using
Abaqus/Standard
1 Surface-based Contact
2 Contact Examples
3 Ingredients of a Contact Model
4 Using Contact Pairs
a Defining Surfaces
b Element-based Surfaces
c Node-based Surfaces
d Analytical Rigid Surfaces
e Discrete Rigid Surfaces
f Defining Contact Pairs
5 Using General Contact
6 Contact Output
Lecture 8 Overview
1 Contact Formulations2 Contact Discretization
3 Contact Enforcement Methods
4 Relative Sliding Between Bodies
a Finite Sliding
b Small Sliding
Lecture 9 Contact Logic and Diagnostic Tools
1 Newton Method
2 The Contact Algorithm
3 Contact Diagnostics (Visual)
4 Contact Diagnostics (Text)
