What do you need to access the output database?

How an Abaqus analysis outputs data to the output database as well as the difference between field data, history data, and model data. The output database is described in detail in Output to the Output Database, and Assembly definition.

How to program using Python. An introduction to the Python programming language is provided in Introduction to Python.

How to use Abaqus objects. Abaqus objects are explained in Using Python and the Abaqus Scripting Interface.