1. Introduction

To enter a new command in Code_Aster, you need to:

• write the catalog associated with this order (See paragraph Rédaction du catalogue de commande),

• write routine FORTRAN OPxxxxassociée (See paragraph Typer le concept produit et l’enrichir).

Notes on source files

The files that describe the catalog are found in the directory code_aster/CATA .

In order to prepare for future developments, there is an indirection at this level to Legacy * (current) or Language (future). When we talk about.datastructure.py* **, for the current version, the file imports* the objects defined in.legacy/datastructure.py* ** . *