The MdbData object has no constructor. Abaqus creates an MdbData object when a cae file is opened or a new model is created. There is one MdbData for each model in session. MdbData is updated when it is displayed in a viewport.
import visualization session.mdbData[name]
The MdbData object has the following members:
A tuple of (String, Float) tuples specifying the stepName and the stepPeriod.
A repository of MdbDataStep objects specifying the list of steps. The repository is read-only.
A repository of MdbDataInstance objects specifying the list of instances. The repository is read-only.