Dynamic substructuring

Dynamic substructuring is an engineering tool used to model and analyse dynamic mechanical systems by means of it's component substructures. Using the dynamic substructuring approach one is able to analyse the dynamic behaviour of substructures seperately and to later on calculate an assembled response using coupling procedures.

History

The roots of dynamic substructuring can be found in the field of domain decomposition.

General problem description

Advantages:

• Substructures can be modelled in the domain that is most apropriate, e.g. experimentally obtained substructures can be combined with numerical models.
• Large systems can be optimised on substructure level
• Numerical computation can be reduced as solving several substructures is computationally les heavy than solving one large system.
• It allows sharing and combining substucture models of different development groups