Modeling Contact & Resolving Convergence Issues with Abaqus

This course provides an in-depth discussion on solving non-linear problems in Abaqus/Standard with an emphasis on modeling and convergence-related issues for contact. Convergence issues related to complicated material models and geometrically unstable behavior are also covered. Years of practical experience in understanding and resolving convergence issues have been condensed into this course.

$1,800 / Student
3 Days
This course is recommended for simulation analysts or engineers with experience using Abaqus.

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Class Structure

Upon completion of this course you will be able to:

  • Define general contact and contact pairs
  • Define appropriate surfaces (rigid or deformable)
  • Model frictional contact
  • Model large sliding between deformable bodies
  • Resolve overclosures in interference fit problems
  • Understand how nonlinear problems are solved in Abaqus
  • Develop Abaqus models that will converge
  • Identify modeling errors that cause models to experience convergence difficulties
  • Recognize when a problem is too difficult or too ill-posed to be solved effectively


Class Lessons

Lesson 1:  Introduction to Nonlinear FEA

Lesson 2:  Contact Workflow

Lesson 3:  Nonlinear FEA with Abaqus/Standard

Lesson 4:  Why Abaqus Fails to Converge

Lesson 5:  Surface Based Contact

Lesson 6:  Solution of Unstable Problems

Lesson 7:  Contact Properties

Lesson 8:  Convergence Problems: Element Behavior

Lesson 9:  Convergence Problems: Materials

Lesson 10:  Interference Fits

Lesson 11:  Convergence Problems: Constraints and Loading

Lesson 12:  Modeling Tips

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