BASIC STRUCTURAL NONLINEARITIES

SEMINAR OUTLINE

Recommended for engineers who analyze structural nonlinear phenomena such as large deflection, plasticity or contact, this two-day course will aid in modeling geometric, material and contact nonlinearities, and in obtaining converged solutions with accurate results. After completion, mechanical analysts should have a basic understanding of how to analyze structures with geometric nonlinearities, implement large strain theory in a nonlinear analysis and analyze structures with plasticity and contact nonlinearities.

DAY ONE: The first day of class covers Introduction through Basic Geometric Nonlinearities with hands-on workshops following each chapter.

DAY TWO: The remainder of the course is covered with hands-on workshops following each chapter. The next training course recommended is Advanced Contact & Fasteners.

Introduction
Nonlinearities Overview
  • Explaining Nonlinearities
  • Nonlinear Solution Using Linear Solvers
  • Three Types of Nonlinearities
  • Nonlinear FEA Issues
  • General Nonlinear Analysis Procedures
Obtaining the Solution
  • Basic Concepts
  • Automatic Solution Control
  • Options for Results File
  • Solution Options
  • Nonlinear Options
  • Advanced Nonlinear Options
  • Transient Options
  • Nonlinear Diagnostics
Post processing
  • Checking for Convergence
  • The General Post processor
  • The Results Viewer
  • Time-History Postprocessor and Verification
 Basic Geometric Nonlinearities
  • Overview
  • Three Kinds of Geometric Nonlinearities
  • Consistent Tangent Stiffness Matrix
  • Building the Model
  • Obtaining the Solution
  • Post processing
Basic Plasticity
  • Overview
  • Building the Model
  • Obtaining the Solution
  • Post processing
Introduction to Contact
  • Basic Concepts
  • Using the Contact Wizard
  • Obtaining the Solution
  • Post processing
  • Assembly Contact

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