Abaqus User Subroutines

This section contains a number of guides for developing user subroutines with Abaqus. Developers of user subroutines are strongly recommended to review the Guidelines for Fortran code, regardless of their experience level.

Contents:

• Fortran Guidelines
  • Visual Layout
  • Style
  • Numerical
  • Program Units
  • Checking Code Correctness
  • Banned Features
• Using Fortran Modules
  • About Fortran Modules
  • Modularising your User Subroutine
  • Running Abaqus with Modular Code
  • Generating a Single-Source Version
• Free-form Fortran with Abaqus
  • Free form vs. Fixed-form
  • Using Free-form with Abaqus
• Explicit Typing with Abaqus
  • Implicit Typing
  • Explicit Typing
  • Explicit Typing with Abaqus
• Using Named State Variables
  • Motivation
  • Using Named State Pointer Variables
  • Organising State Pointers into a Type (structure)
• Reading Material Properties from a Namelist File
  • Motivation
  • The Fortran NameList Format
  • Reading a NameList file in Fortran
  • Error Detection
  • Using NameList Files for User Subroutines
  • Advanced: NameLists with Derived Types (Structures)
• Running Abaqus on HPC