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OOFIMS (Object-Oriented Framework for Infrastructure Modeling and Simulation) is a tool to model and analyse the performance of interconnected/interdependent infrastructure systems and sets of buildings, at the urban/regional scale, in ordinary or "disturbed" conditions (e.g. due to the impact of a natural or man-made hazard).

OOFIMS has been initially developed within the EU-funded collaborative research project SYNER-G, as a computational tool to assess the vulnerability to earthquakes of an urban area including buildings, lifelines and transportation networks.

It was conceived from the beginning as an open framework and is now being extended to include multiple hazards (e.g. volcanic hazard and flood hazard) and the modeling and simulation of the restoration process (downtime and resilience assessment).

OOFIMS has been developed within MATLAB® according to the object-oriented programming paradigm.

Currently, the framework includes models for:

• spatially distributed seismic action, in terms of ground shaking (peak ground motion parameters, spectral acceleration or velocity) and geotechnical intensity measures (permanent ground deformations)

• buildings

• road networks

• water supply networks

• electric power networks

• gas networks

• pipeline storm water networks

• natural drainage systems

• hospital networks

The source code and example files are freely provided, without any warranty and to be used for research purposes under the user's responsibility.