Functional models
Definition
Functional models are a methodological approach used to quantify a system in terms of its components and the relationships between them and with the system’s environment. They describe what the system does and how key functions interact to produce outcomes, often through flows of information, energy, or resources. Functional models are used to analyze system behavior, identify dependencies and bottlenecks, and support quantitative analysis, assessment (with indicators) or design of complex systems.
Sources
- de Kleer, J., & Brown, J. S. (1984). A qualitative physics based on confluences. Artificial Intelligence, 24, 7–83.
- ISO 14040/14044 (Life Cycle Assessment – functional modeling concept).
- Le Moigne, J.-L. (1990). La modélisation des systèmes complexes. Dunod