d5.03.02 Introduce new kinematic boundary conditions

Summary:

This document presents the two utility routines that make it quite easy to introduce new types of « kinematic » boundary conditions (i.e. linear relationships between unknown degrees of freedom).

Table of Contents

• 1. Introduction
• 2. What is a linear relationship?
• 3. How do you introduce linear relationships into a model?
• 4. Introduce a new keyword such as « linear relationship »
• 5. Routines AFRELA and AFLRCH
  • 5.1. The AFRELA routine
  • 5.2. The AFLRCH routine
• 6. Overload principle
• 7. Example: